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requirebin sketch
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| var PNG = require('pngjs').PNG | |
| , pixelmatch = require('pixelmatch') | |
| , fabric = require('fabric').fabric; | |
| var c1 = new fabric.Canvas('c1') | |
| , c2 = new fabric.Canvas('c2'); | |
| var ctx1 = c1.getContext() | |
| , ctx2 = c2.getContext() | |
| , ctx3 = document.getElementById('c3').getContext('2d'); | |
| var pixelsElm = document.getElementById('pixels'); | |
| c1.add(new fabric.IText('hi', { | |
| left: 20, | |
| top: 20 | |
| })); | |
| c2.add(new fabric.IText('hoi', { | |
| left: 20, | |
| top: 20 | |
| })); | |
| document.getElementById('compare').addEventListener('click', function () { | |
| var img1 = ctx1.getImageData(0, 0, 100, 100); | |
| var img2 = ctx2.getImageData(0, 0, 100, 100); | |
| var diff = ctx3.createImageData(100, 100); | |
| var res = pixelmatch(img1.data, img2.data, diff.data, 100, 100); | |
| ctx3.putImageData(diff, 0, 0); | |
| pixelsElm.innerHTML = res; | |
| }); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| setTimeout(function(){require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var util=require("util/");var pSlice=Array.prototype.slice;var hasOwn=Object.prototype.hasOwnProperty;var assert=module.exports=ok;assert.AssertionError=function AssertionError(options){this.name="AssertionError";this.actual=options.actual;this.expected=options.expected;this.operator=options.operator;if(options.message){this.message=options.message;this.generatedMessage=false}else{this.message=getMessage(this);this.generatedMessage=true}var stackStartFunction=options.stackStartFunction||fail;if(Error.captureStackTrace){Error.captureStackTrace(this,stackStartFunction)}else{var err=new Error;if(err.stack){var out=err.stack;var fn_name=stackStartFunction.name;var idx=out.indexOf("\n"+fn_name);if(idx>=0){var next_line=out.indexOf("\n",idx+1);out=out.substring(next_line+1)}this.stack=out}}};util.inherits(assert.AssertionError,Error);function replacer(key,value){if(util.isUndefined(value)){return""+value}if(util.isNumber(value)&&!isFinite(value)){return value.toString()}if(util.isFunction(value)||util.isRegExp(value)){return value.toString()}return value}function truncate(s,n){if(util.isString(s)){return s.length<n?s:s.slice(0,n)}else{return s}}function getMessage(self){return truncate(JSON.stringify(self.actual,replacer),128)+" "+self.operator+" "+truncate(JSON.stringify(self.expected,replacer),128)}function fail(actual,expected,message,operator,stackStartFunction){throw new assert.AssertionError({message:message,actual:actual,expected:expected,operator:operator,stackStartFunction:stackStartFunction})}assert.fail=fail;function ok(value,message){if(!value)fail(value,true,message,"==",assert.ok)}assert.ok=ok;assert.equal=function equal(actual,expected,message){if(actual!=expected)fail(actual,expected,message,"==",assert.equal)};assert.notEqual=function notEqual(actual,expected,message){if(actual==expected){fail(actual,expected,message,"!=",assert.notEqual)}};assert.deepEqual=function deepEqual(actual,expected,message){if(!_deepEqual(actual,expected)){fail(actual,expected,message,"deepEqual",assert.deepEqual)}};function _deepEqual(actual,expected){if(actual===expected){return true}else if(util.isBuffer(actual)&&util.isBuffer(expected)){if(actual.length!=expected.length)return false;for(var i=0;i<actual.length;i++){if(actual[i]!==expected[i])return false}return true}else if(util.isDate(actual)&&util.isDate(expected)){return actual.getTime()===expected.getTime()}else if(util.isRegExp(actual)&&util.isRegExp(expected)){return actual.source===expected.source&&actual.global===expected.global&&actual.multiline===expected.multiline&&actual.lastIndex===expected.lastIndex&&actual.ignoreCase===expected.ignoreCase}else if(!util.isObject(actual)&&!util.isObject(expected)){return actual==expected}else{return objEquiv(actual,expected)}}function isArguments(object){return Object.prototype.toString.call(object)=="[object Arguments]"}function objEquiv(a,b){if(util.isNullOrUndefined(a)||util.isNullOrUndefined(b))return false;if(a.prototype!==b.prototype)return false;if(util.isPrimitive(a)||util.isPrimitive(b)){return a===b}var aIsArgs=isArguments(a),bIsArgs=isArguments(b);if(aIsArgs&&!bIsArgs||!aIsArgs&&bIsArgs)return false;if(aIsArgs){a=pSlice.call(a);b=pSlice.call(b);return _deepEqual(a,b)}var ka=objectKeys(a),kb=objectKeys(b),key,i;if(ka.length!=kb.length)return false;ka.sort();kb.sort();for(i=ka.length-1;i>=0;i--){if(ka[i]!=kb[i])return false}for(i=ka.length-1;i>=0;i--){key=ka[i];if(!_deepEqual(a[key],b[key]))return false}return true}assert.notDeepEqual=function notDeepEqual(actual,expected,message){if(_deepEqual(actual,expected)){fail(actual,expected,message,"notDeepEqual",assert.notDeepEqual)}};assert.strictEqual=function strictEqual(actual,expected,message){if(actual!==expected){fail(actual,expected,message,"===",assert.strictEqual)}};assert.notStrictEqual=function notStrictEqual(actual,expected,message){if(actual===expected){fail(actual,expected,message,"!==",assert.notStrictEqual)}};function expectedException(actual,expected){if(!actual||!expected){return false}if(Object.prototype.toString.call(expected)=="[object RegExp]"){return expected.test(actual)}else if(actual instanceof expected){return true}else if(expected.call({},actual)===true){return true}return false}function _throws(shouldThrow,block,expected,message){var actual;if(util.isString(expected)){message=expected;expected=null}try{block()}catch(e){actual=e}message=(expected&&expected.name?" ("+expected.name+").":".")+(message?" "+message:".");if(shouldThrow&&!actual){fail(actual,expected,"Missing expected exception"+message)}if(!shouldThrow&&expectedException(actual,expected)){fail(actual,expected,"Got unwanted exception"+message)}if(shouldThrow&&actual&&expected&&!expectedException(actual,expected)||!shouldThrow&&actual){throw actual}}assert.throws=function(block,error,message){_throws.apply(this,[true].concat(pSlice.call(arguments)))};assert.doesNotThrow=function(block,message){_throws.apply(this,[false].concat(pSlice.call(arguments)))};assert.ifError=function(err){if(err){throw err}};var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj){if(hasOwn.call(obj,key))keys.push(key)}return keys}},{"util/":44}],2:[function(require,module,exports){},{}],3:[function(require,module,exports){"use strict";var TYPED_OK=typeof Uint8Array!=="undefined"&&typeof Uint16Array!=="undefined"&&typeof Int32Array!=="undefined";exports.assign=function(obj){var sources=Array.prototype.slice.call(arguments,1);while(sources.length){var source=sources.shift();if(!source){continue}if(typeof source!=="object"){throw new TypeError(source+"must be non-object")}for(var p in source){if(source.hasOwnProperty(p)){obj[p]=source[p]}}}return obj};exports.shrinkBuf=function(buf,size){if(buf.length===size){return buf}if(buf.subarray){return buf.subarray(0,size)}buf.length=size;return buf};var fnTyped={arraySet:function(dest,src,src_offs,len,dest_offs){if(src.subarray&&dest.subarray){dest.set(src.subarray(src_offs,src_offs+len),dest_offs);return}for(var i=0;i<len;i++){dest[dest_offs+i]=src[src_offs+i]}},flattenChunks:function(chunks){var i,l,len,pos,chunk,result;len=0;for(i=0,l=chunks.length;i<l;i++){len+=chunks[i].length}result=new Uint8Array(len);pos=0;for(i=0,l=chunks.length;i<l;i++){chunk=chunks[i];result.set(chunk,pos);pos+=chunk.length}return result}};var fnUntyped={arraySet:function(dest,src,src_offs,len,dest_offs){for(var i=0;i<len;i++){dest[dest_offs+i]=src[src_offs+i]}},flattenChunks:function(chunks){return[].concat.apply([],chunks)}};exports.setTyped=function(on){if(on){exports.Buf8=Uint8Array;exports.Buf16=Uint16Array;exports.Buf32=Int32Array;exports.assign(exports,fnTyped)}else{exports.Buf8=Array;exports.Buf16=Array;exports.Buf32=Array;exports.assign(exports,fnUntyped)}};exports.setTyped(TYPED_OK)},{}],4:[function(require,module,exports){"use strict";function adler32(adler,buf,len,pos){var s1=adler&65535|0,s2=adler>>>16&65535|0,n=0;while(len!==0){n=len>2e3?2e3:len;len-=n;do{s1=s1+buf[pos++]|0;s2=s2+s1|0}while(--n);s1%=65521;s2%=65521}return s1|s2<<16|0}module.exports=adler32},{}],5:[function(require,module,exports){"use strict";module.exports={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8}},{}],6:[function(require,module,exports){"use strict";function makeTable(){var c,table=[];for(var n=0;n<256;n++){c=n;for(var k=0;k<8;k++){c=c&1?3988292384^c>>>1:c>>>1}table[n]=c}return table}var crcTable=makeTable();function crc32(crc,buf,len,pos){var t=crcTable,end=pos+len;crc^=-1;for(var i=pos;i<end;i++){crc=crc>>>8^t[(crc^buf[i])&255]}return crc^-1}module.exports=crc32},{}],7:[function(require,module,exports){"use strict";var utils=require("../utils/common");var trees=require("./trees");var adler32=require("./adler32");var crc32=require("./crc32");var msg=require("./messages");var Z_NO_FLUSH=0;var Z_PARTIAL_FLUSH=1;var Z_FULL_FLUSH=3;var Z_FINISH=4;var Z_BLOCK=5;var Z_OK=0;var Z_STREAM_END=1;var Z_STREAM_ERROR=-2;var Z_DATA_ERROR=-3;var Z_BUF_ERROR=-5;var Z_DEFAULT_COMPRESSION=-1;var Z_FILTERED=1;var Z_HUFFMAN_ONLY=2;var Z_RLE=3;var Z_FIXED=4;var Z_DEFAULT_STRATEGY=0;var Z_UNKNOWN=2;var Z_DEFLATED=8;var MAX_MEM_LEVEL=9;var MAX_WBITS=15;var DEF_MEM_LEVEL=8;var LENGTH_CODES=29;var LITERALS=256;var L_CODES=LITERALS+1+LENGTH_CODES;var D_CODES=30;var BL_CODES=19;var HEAP_SIZE=2*L_CODES+1;var MAX_BITS=15;var MIN_MATCH=3;var MAX_MATCH=258;var MIN_LOOKAHEAD=MAX_MATCH+MIN_MATCH+1;var PRESET_DICT=32;var INIT_STATE=42;var EXTRA_STATE=69;var NAME_STATE=73;var COMMENT_STATE=91;var HCRC_STATE=103;var BUSY_STATE=113;var FINISH_STATE=666;var BS_NEED_MORE=1;var BS_BLOCK_DONE=2;var BS_FINISH_STARTED=3;var BS_FINISH_DONE=4;var OS_CODE=3;function err(strm,errorCode){strm.msg=msg[errorCode];return errorCode}function rank(f){return(f<<1)-(f>4?9:0)}function zero(buf){var len=buf.length;while(--len>=0){buf[len]=0}}function flush_pending(strm){var s=strm.state;var len=s.pending;if(len>strm.avail_out){len=strm.avail_out}if(len===0){return}utils.arraySet(strm.output,s.pending_buf,s.pending_out,len,strm.next_out);strm.next_out+=len;s.pending_out+=len;strm.total_out+=len;strm.avail_out-=len;s.pending-=len;if(s.pending===0){s.pending_out=0}}function flush_block_only(s,last){trees._tr_flush_block(s,s.block_start>=0?s.block_start:-1,s.strstart-s.block_start,last);s.block_start=s.strstart;flush_pending(s.strm)}function put_byte(s,b){s.pending_buf[s.pending++]=b}function putShortMSB(s,b){s.pending_buf[s.pending++]=b>>>8&255;s.pending_buf[s.pending++]=b&255}function read_buf(strm,buf,start,size){var len=strm.avail_in;if(len>size){len=size}if(len===0){return 0}strm.avail_in-=len;utils.arraySet(buf,strm.input,strm.next_in,len,start);if(strm.state.wrap===1){strm.adler=adler32(strm.adler,buf,len,start)}else if(strm.state.wrap===2){strm.adler=crc32(strm.adler,buf,len,start)}strm.next_in+=len;strm.total_in+=len;return len}function longest_match(s,cur_match){var chain_length=s.max_chain_length;var scan=s.strstart;var match;var len;var best_len=s.prev_length;var nice_match=s.nice_match;var limit=s.strstart>s.w_size-MIN_LOOKAHEAD?s.strstart-(s.w_size-MIN_LOOKAHEAD):0;var _win=s.window;var wmask=s.w_mask;var prev=s.prev;var strend=s.strstart+MAX_MATCH;var scan_end1=_win[scan+best_len-1];var scan_end=_win[scan+best_len];if(s.prev_length>=s.good_match){chain_length>>=2}if(nice_match>s.lookahead){nice_match=s.lookahead}do{match=cur_match;if(_win[match+best_len]!==scan_end||_win[match+best_len-1]!==scan_end1||_win[match]!==_win[scan]||_win[++match]!==_win[scan+1]){continue}scan+=2;match++;do{}while(_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&scan<strend);len=MAX_MATCH-(strend-scan);scan=strend-MAX_MATCH;if(len>best_len){s.match_start=cur_match;best_len=len;if(len>=nice_match){break}scan_end1=_win[scan+best_len-1];scan_end=_win[scan+best_len]}}while((cur_match=prev[cur_match&wmask])>limit&&--chain_length!==0);if(best_len<=s.lookahead){return best_len}return s.lookahead}function fill_window(s){var _w_size=s.w_size;var p,n,m,more,str;do{more=s.window_size-s.lookahead-s.strstart;if(s.strstart>=_w_size+(_w_size-MIN_LOOKAHEAD)){utils.arraySet(s.window,s.window,_w_size,_w_size,0);s.match_start-=_w_size;s.strstart-=_w_size;s.block_start-=_w_size;n=s.hash_size;p=n;do{m=s.head[--p];s.head[p]=m>=_w_size?m-_w_size:0}while(--n);n=_w_size;p=n;do{m=s.prev[--p];s.prev[p]=m>=_w_size?m-_w_size:0}while(--n);more+=_w_size}if(s.strm.avail_in===0){break}n=read_buf(s.strm,s.window,s.strstart+s.lookahead,more);s.lookahead+=n;if(s.lookahead+s.insert>=MIN_MATCH){str=s.strstart-s.insert;s.ins_h=s.window[str];s.ins_h=(s.ins_h<<s.hash_shift^s.window[str+1])&s.hash_mask;while(s.insert){s.ins_h=(s.ins_h<<s.hash_shift^s.window[str+MIN_MATCH-1])&s.hash_mask;s.prev[str&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=str;str++;s.insert--;if(s.lookahead+s.insert<MIN_MATCH){break}}}}while(s.lookahead<MIN_LOOKAHEAD&&s.strm.avail_in!==0)}function deflate_stored(s,flush){var max_block_size=65535;if(max_block_size>s.pending_buf_size-5){max_block_size=s.pending_buf_size-5}for(;;){if(s.lookahead<=1){fill_window(s);if(s.lookahead===0&&flush===Z_NO_FLUSH){return BS_NEED_MORE}if(s.lookahead===0){break}}s.strstart+=s.lookahead;s.lookahead=0;var max_start=s.block_start+max_block_size;if(s.strstart===0||s.strstart>=max_start){s.lookahead=s.strstart-max_start;s.strstart=max_start;flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}if(s.strstart-s.block_start>=s.w_size-MIN_LOOKAHEAD){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}}s.insert=0;if(flush===Z_FINISH){flush_block_only(s,true);if(s.strm.avail_out===0){return BS_FINISH_STARTED}return BS_FINISH_DONE}if(s.strstart>s.block_start){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}return BS_NEED_MORE}function deflate_fast(s,flush){var hash_head;var bflush;for(;;){if(s.lookahead<MIN_LOOKAHEAD){fill_window(s);if(s.lookahead<MIN_LOOKAHEAD&&flush===Z_NO_FLUSH){return BS_NEED_MORE}if(s.lookahead===0){break}}hash_head=0;if(s.lookahead>=MIN_MATCH){s.ins_h=(s.ins_h<<s.hash_shift^s.window[s.strstart+MIN_MATCH-1])&s.hash_mask;hash_head=s.prev[s.strstart&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=s.strstart}if(hash_head!==0&&s.strstart-hash_head<=s.w_size-MIN_LOOKAHEAD){s.match_length=longest_match(s,hash_head)}if(s.match_length>=MIN_MATCH){bflush=trees._tr_tally(s,s.strstart-s.match_start,s.match_length-MIN_MATCH);s.lookahead-=s.match_length;if(s.match_length<=s.max_lazy_match&&s.lookahead>=MIN_MATCH){s.match_length--;do{s.strstart++;s.ins_h=(s.ins_h<<s.hash_shift^s.window[s.strstart+MIN_MATCH-1])&s.hash_mask;hash_head=s.prev[s.strstart&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=s.strstart}while(--s.match_length!==0);s.strstart++}else{s.strstart+=s.match_length;s.match_length=0;s.ins_h=s.window[s.strstart];s.ins_h=(s.ins_h<<s.hash_shift^s.window[s.strstart+1])&s.hash_mask}}else{bflush=trees._tr_tally(s,0,s.window[s.strstart]);s.lookahead--;s.strstart++}if(bflush){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}}s.insert=s.strstart<MIN_MATCH-1?s.strstart:MIN_MATCH-1;if(flush===Z_FINISH){flush_block_only(s,true);if(s.strm.avail_out===0){return BS_FINISH_STARTED}return BS_FINISH_DONE}if(s.last_lit){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}return BS_BLOCK_DONE}function deflate_slow(s,flush){var hash_head;var bflush;var max_insert;for(;;){if(s.lookahead<MIN_LOOKAHEAD){fill_window(s);if(s.lookahead<MIN_LOOKAHEAD&&flush===Z_NO_FLUSH){return BS_NEED_MORE}if(s.lookahead===0){break}}hash_head=0;if(s.lookahead>=MIN_MATCH){s.ins_h=(s.ins_h<<s.hash_shift^s.window[s.strstart+MIN_MATCH-1])&s.hash_mask;hash_head=s.prev[s.strstart&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=s.strstart}s.prev_length=s.match_length;s.prev_match=s.match_start;s.match_length=MIN_MATCH-1;if(hash_head!==0&&s.prev_length<s.max_lazy_match&&s.strstart-hash_head<=s.w_size-MIN_LOOKAHEAD){s.match_length=longest_match(s,hash_head);if(s.match_length<=5&&(s.strategy===Z_FILTERED||s.match_length===MIN_MATCH&&s.strstart-s.match_start>4096)){s.match_length=MIN_MATCH-1}}if(s.prev_length>=MIN_MATCH&&s.match_length<=s.prev_length){max_insert=s.strstart+s.lookahead-MIN_MATCH;bflush=trees._tr_tally(s,s.strstart-1-s.prev_match,s.prev_length-MIN_MATCH);s.lookahead-=s.prev_length-1;s.prev_length-=2;do{if(++s.strstart<=max_insert){s.ins_h=(s.ins_h<<s.hash_shift^s.window[s.strstart+MIN_MATCH-1])&s.hash_mask;hash_head=s.prev[s.strstart&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=s.strstart}}while(--s.prev_length!==0);s.match_available=0;s.match_length=MIN_MATCH-1;s.strstart++;if(bflush){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}}else if(s.match_available){bflush=trees._tr_tally(s,0,s.window[s.strstart-1]);if(bflush){flush_block_only(s,false)}s.strstart++;s.lookahead--;if(s.strm.avail_out===0){return BS_NEED_MORE}}else{s.match_available=1;s.strstart++;s.lookahead--}}if(s.match_available){bflush=trees._tr_tally(s,0,s.window[s.strstart-1]);s.match_available=0}s.insert=s.strstart<MIN_MATCH-1?s.strstart:MIN_MATCH-1;if(flush===Z_FINISH){flush_block_only(s,true);if(s.strm.avail_out===0){return BS_FINISH_STARTED}return BS_FINISH_DONE}if(s.last_lit){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}return BS_BLOCK_DONE}function deflate_rle(s,flush){var bflush;var prev;var scan,strend;var _win=s.window;for(;;){if(s.lookahead<=MAX_MATCH){fill_window(s);if(s.lookahead<=MAX_MATCH&&flush===Z_NO_FLUSH){return BS_NEED_MORE}if(s.lookahead===0){break}}s.match_length=0;if(s.lookahead>=MIN_MATCH&&s.strstart>0){scan=s.strstart-1;prev=_win[scan];if(prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]){strend=s.strstart+MAX_MATCH;do{}while(prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&scan<strend);s.match_length=MAX_MATCH-(strend-scan);if(s.match_length>s.lookahead){s.match_length=s.lookahead}}}if(s.match_length>=MIN_MATCH){bflush=trees._tr_tally(s,1,s.match_length-MIN_MATCH);s.lookahead-=s.match_length;s.strstart+=s.match_length;s.match_length=0}else{bflush=trees._tr_tally(s,0,s.window[s.strstart]);s.lookahead--;s.strstart++}if(bflush){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}}s.insert=0;if(flush===Z_FINISH){flush_block_only(s,true);if(s.strm.avail_out===0){return BS_FINISH_STARTED}return BS_FINISH_DONE}if(s.last_lit){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}return BS_BLOCK_DONE}function deflate_huff(s,flush){var bflush;for(;;){if(s.lookahead===0){fill_window(s);if(s.lookahead===0){if(flush===Z_NO_FLUSH){return BS_NEED_MORE}break}}s.match_length=0;bflush=trees._tr_tally(s,0,s.window[s.strstart]);s.lookahead--;s.strstart++;if(bflush){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}}s.insert=0;if(flush===Z_FINISH){flush_block_only(s,true);if(s.strm.avail_out===0){return BS_FINISH_STARTED}return BS_FINISH_DONE}if(s.last_lit){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}return BS_BLOCK_DONE}function Config(good_length,max_lazy,nice_length,max_chain,func){this.good_length=good_length;this.max_lazy=max_lazy;this.nice_length=nice_length;this.max_chain=max_chain;this.func=func}var configuration_table;configuration_table=[new Config(0,0,0,0,deflate_stored),new Config(4,4,8,4,deflate_fast),new Config(4,5,16,8,deflate_fast),new Config(4,6,32,32,deflate_fast),new Config(4,4,16,16,deflate_slow),new Config(8,16,32,32,deflate_slow),new Config(8,16,128,128,deflate_slow),new Config(8,32,128,256,deflate_slow),new Config(32,128,258,1024,deflate_slow),new Config(32,258,258,4096,deflate_slow)];function lm_init(s){s.window_size=2*s.w_size;zero(s.head);s.max_lazy_match=configuration_table[s.level].max_lazy;s.good_match=configuration_table[s.level].good_length;s.nice_match=configuration_table[s.level].nice_length;s.max_chain_length=configuration_table[s.level].max_chain;s.strstart=0;s.block_start=0;s.lookahead=0;s.insert=0;s.match_length=s.prev_length=MIN_MATCH-1;s.match_available=0;s.ins_h=0}function DeflateState(){this.strm=null;this.status=0;this.pending_buf=null;this.pending_buf_size=0;this.pending_out=0;this.pending=0;this.wrap=0;this.gzhead=null;this.gzindex=0;this.method=Z_DEFLATED;this.last_flush=-1;this.w_size=0;this.w_bits=0;this.w_mask=0;this.window=null;this.window_size=0;this.prev=null;this.head=null;this.ins_h=0;this.hash_size=0;this.hash_bits=0;this.hash_mask=0;this.hash_shift=0;this.block_start=0;this.match_length=0;this.prev_match=0;this.match_available=0;this.strstart=0;this.match_start=0;this.lookahead=0;this.prev_length=0;this.max_chain_length=0;this.max_lazy_match=0;this.level=0;this.strategy=0;this.good_match=0;this.nice_match=0;this.dyn_ltree=new utils.Buf16(HEAP_SIZE*2);this.dyn_dtree=new utils.Buf16((2*D_CODES+1)*2);this.bl_tree=new utils.Buf16((2*BL_CODES+1)*2);zero(this.dyn_ltree);zero(this.dyn_dtree);zero(this.bl_tree);this.l_desc=null;this.d_desc=null;this.bl_desc=null;this.bl_count=new utils.Buf16(MAX_BITS+1);this.heap=new utils.Buf16(2*L_CODES+1);zero(this.heap);this.heap_len=0;this.heap_max=0;this.depth=new utils.Buf16(2*L_CODES+1);zero(this.depth);this.l_buf=0;this.lit_bufsize=0;this.last_lit=0;this.d_buf=0;this.opt_len=0;this.static_len=0;this.matches=0;this.insert=0;this.bi_buf=0;this.bi_valid=0}function deflateResetKeep(strm){var s;if(!strm||!strm.state){return err(strm,Z_STREAM_ERROR)}strm.total_in=strm.total_out=0;strm.data_type=Z_UNKNOWN;s=strm.state;s.pending=0;s.pending_out=0;if(s.wrap<0){s.wrap=-s.wrap}s.status=s.wrap?INIT_STATE:BUSY_STATE;strm.adler=s.wrap===2?0:1;s.last_flush=Z_NO_FLUSH;trees._tr_init(s);return Z_OK}function deflateReset(strm){var ret=deflateResetKeep(strm);if(ret===Z_OK){lm_init(strm.state)}return ret}function deflateSetHeader(strm,head){if(!strm||!strm.state){return Z_STREAM_ERROR}if(strm.state.wrap!==2){return Z_STREAM_ERROR}strm.state.gzhead=head;return Z_OK}function deflateInit2(strm,level,method,windowBits,memLevel,strategy){if(!strm){return Z_STREAM_ERROR}var wrap=1;if(level===Z_DEFAULT_COMPRESSION){level=6}if(windowBits<0){wrap=0;windowBits=-windowBits}else if(windowBits>15){wrap=2;windowBits-=16}if(memLevel<1||memLevel>MAX_MEM_LEVEL||method!==Z_DEFLATED||windowBits<8||windowBits>15||level<0||level>9||strategy<0||strategy>Z_FIXED){return err(strm,Z_STREAM_ERROR)}if(windowBits===8){windowBits=9}var s=new DeflateState;strm.state=s;s.strm=strm;s.wrap=wrap;s.gzhead=null;s.w_bits=windowBits;s.w_size=1<<s.w_bits;s.w_mask=s.w_size-1;s.hash_bits=memLevel+7;s.hash_size=1<<s.hash_bits;s.hash_mask=s.hash_size-1;s.hash_shift=~~((s.hash_bits+MIN_MATCH-1)/MIN_MATCH);s.window=new utils.Buf8(s.w_size*2);s.head=new utils.Buf16(s.hash_size);s.prev=new utils.Buf16(s.w_size);s.lit_bufsize=1<<memLevel+6;s.pending_buf_size=s.lit_bufsize*4;s.pending_buf=new utils.Buf8(s.pending_buf_size);s.d_buf=1*s.lit_bufsize;s.l_buf=(1+2)*s.lit_bufsize;s.level=level;s.strategy=strategy;s.method=method;return deflateReset(strm)}function deflateInit(strm,level){return deflateInit2(strm,level,Z_DEFLATED,MAX_WBITS,DEF_MEM_LEVEL,Z_DEFAULT_STRATEGY)}function deflate(strm,flush){var old_flush,s;var beg,val;if(!strm||!strm.state||flush>Z_BLOCK||flush<0){return strm?err(strm,Z_STREAM_ERROR):Z_STREAM_ERROR}s=strm.state;if(!strm.output||!strm.input&&strm.avail_in!==0||s.status===FINISH_STATE&&flush!==Z_FINISH){return err(strm,strm.avail_out===0?Z_BUF_ERROR:Z_STREAM_ERROR)}s.strm=strm;old_flush=s.last_flush;s.last_flush=flush;if(s.status===INIT_STATE){if(s.wrap===2){strm.adler=0;put_byte(s,31);put_byte(s,139);put_byte(s,8);if(!s.gzhead){put_byte(s,0);put_byte(s,0);put_byte(s,0);put_byte(s,0);put_byte(s,0);put_byte(s,s.level===9?2:s.strategy>=Z_HUFFMAN_ONLY||s.level<2?4:0);put_byte(s,OS_CODE);s.status=BUSY_STATE}else{put_byte(s,(s.gzhead.text?1:0)+(s.gzhead.hcrc?2:0)+(!s.gzhead.extra?0:4)+(!s.gzhead.name?0:8)+(!s.gzhead.comment?0:16));put_byte(s,s.gzhead.time&255);put_byte(s,s.gzhead.time>>8&255);put_byte(s,s.gzhead.time>>16&255);put_byte(s,s.gzhead.time>>24&255);put_byte(s,s.level===9?2:s.strategy>=Z_HUFFMAN_ONLY||s.level<2?4:0);put_byte(s,s.gzhead.os&255);if(s.gzhead.extra&&s.gzhead.extra.length){put_byte(s,s.gzhead.extra.length&255);put_byte(s,s.gzhead.extra.length>>8&255)}if(s.gzhead.hcrc){strm.adler=crc32(strm.adler,s.pending_buf,s.pending,0)}s.gzindex=0;s.status=EXTRA_STATE}}else{var header=Z_DEFLATED+(s.w_bits-8<<4)<<8;var level_flags=-1;if(s.strategy>=Z_HUFFMAN_ONLY||s.level<2){level_flags=0}else if(s.level<6){level_flags=1}else if(s.level===6){level_flags=2}else{level_flags=3}header|=level_flags<<6;if(s.strstart!==0){header|=PRESET_DICT}header+=31-header%31;s.status=BUSY_STATE;putShortMSB(s,header);if(s.strstart!==0){putShortMSB(s,strm.adler>>>16);putShortMSB(s,strm.adler&65535)}strm.adler=1}}if(s.status===EXTRA_STATE){if(s.gzhead.extra){beg=s.pending;while(s.gzindex<(s.gzhead.extra.length&65535)){if(s.pending===s.pending_buf_size){if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}flush_pending(strm);beg=s.pending;if(s.pending===s.pending_buf_size){break}}put_byte(s,s.gzhead.extra[s.gzindex]&255);s.gzindex++}if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}if(s.gzindex===s.gzhead.extra.length){s.gzindex=0;s.status=NAME_STATE}}else{s.status=NAME_STATE}}if(s.status===NAME_STATE){if(s.gzhead.name){beg=s.pending;do{if(s.pending===s.pending_buf_size){if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}flush_pending(strm);beg=s.pending;if(s.pending===s.pending_buf_size){val=1;break}}if(s.gzindex<s.gzhead.name.length){val=s.gzhead.name.charCodeAt(s.gzindex++)&255}else{val=0}put_byte(s,val)}while(val!==0);if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}if(val===0){s.gzindex=0;s.status=COMMENT_STATE}}else{s.status=COMMENT_STATE}}if(s.status===COMMENT_STATE){if(s.gzhead.comment){beg=s.pending;do{if(s.pending===s.pending_buf_size){if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}flush_pending(strm);beg=s.pending;if(s.pending===s.pending_buf_size){val=1;break}}if(s.gzindex<s.gzhead.comment.length){val=s.gzhead.comment.charCodeAt(s.gzindex++)&255}else{val=0}put_byte(s,val)}while(val!==0);if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}if(val===0){s.status=HCRC_STATE}}else{s.status=HCRC_STATE}}if(s.status===HCRC_STATE){if(s.gzhead.hcrc){if(s.pending+2>s.pending_buf_size){flush_pending(strm)}if(s.pending+2<=s.pending_buf_size){put_byte(s,strm.adler&255);put_byte(s,strm.adler>>8&255);strm.adler=0;s.status=BUSY_STATE}}else{s.status=BUSY_STATE}}if(s.pending!==0){flush_pending(strm);if(strm.avail_out===0){s.last_flush=-1;return Z_OK}}else if(strm.avail_in===0&&rank(flush)<=rank(old_flush)&&flush!==Z_FINISH){return err(strm,Z_BUF_ERROR)}if(s.status===FINISH_STATE&&strm.avail_in!==0){return err(strm,Z_BUF_ERROR)}if(strm.avail_in!==0||s.lookahead!==0||flush!==Z_NO_FLUSH&&s.status!==FINISH_STATE){var bstate=s.strategy===Z_HUFFMAN_ONLY?deflate_huff(s,flush):s.strategy===Z_RLE?deflate_rle(s,flush):configuration_table[s.level].func(s,flush);if(bstate===BS_FINISH_STARTED||bstate===BS_FINISH_DONE){s.status=FINISH_STATE}if(bstate===BS_NEED_MORE||bstate===BS_FINISH_STARTED){if(strm.avail_out===0){s.last_flush=-1}return Z_OK}if(bstate===BS_BLOCK_DONE){if(flush===Z_PARTIAL_FLUSH){trees._tr_align(s)}else if(flush!==Z_BLOCK){trees._tr_stored_block(s,0,0,false);if(flush===Z_FULL_FLUSH){zero(s.head);if(s.lookahead===0){s.strstart=0;s.block_start=0;s.insert=0}}}flush_pending(strm);if(strm.avail_out===0){s.last_flush=-1;return Z_OK}}}if(flush!==Z_FINISH){return Z_OK}if(s.wrap<=0){return Z_STREAM_END}if(s.wrap===2){put_byte(s,strm.adler&255);put_byte(s,strm.adler>>8&255);put_byte(s,strm.adler>>16&255);put_byte(s,strm.adler>>24&255);put_byte(s,strm.total_in&255);put_byte(s,strm.total_in>>8&255);put_byte(s,strm.total_in>>16&255);put_byte(s,strm.total_in>>24&255)}else{putShortMSB(s,strm.adler>>>16);putShortMSB(s,strm.adler&65535)}flush_pending(strm);if(s.wrap>0){s.wrap=-s.wrap}return s.pending!==0?Z_OK:Z_STREAM_END}function deflateEnd(strm){var status;if(!strm||!strm.state){return Z_STREAM_ERROR}status=strm.state.status;if(status!==INIT_STATE&&status!==EXTRA_STATE&&status!==NAME_STATE&&status!==COMMENT_STATE&&status!==HCRC_STATE&&status!==BUSY_STATE&&status!==FINISH_STATE){return err(strm,Z_STREAM_ERROR)}strm.state=null;return status===BUSY_STATE?err(strm,Z_DATA_ERROR):Z_OK}function deflateSetDictionary(strm,dictionary){var dictLength=dictionary.length;var s;var str,n;var wrap;var avail;var next;var input;var tmpDict;if(!strm||!strm.state){return Z_STREAM_ERROR}s=strm.state;wrap=s.wrap;if(wrap===2||wrap===1&&s.status!==INIT_STATE||s.lookahead){return Z_STREAM_ERROR}if(wrap===1){strm.adler=adler32(strm.adler,dictionary,dictLength,0)}s.wrap=0;if(dictLength>=s.w_size){if(wrap===0){zero(s.head);s.strstart=0;s.block_start=0;s.insert=0}tmpDict=new utils.Buf8(s.w_size);utils.arraySet(tmpDict,dictionary,dictLength-s.w_size,s.w_size,0);dictionary=tmpDict;dictLength=s.w_size}avail=strm.avail_in;next=strm.next_in;input=strm.input;strm.avail_in=dictLength;strm.next_in=0;strm.input=dictionary;fill_window(s);while(s.lookahead>=MIN_MATCH){str=s.strstart;n=s.lookahead-(MIN_MATCH-1);do{s.ins_h=(s.ins_h<<s.hash_shift^s.window[str+MIN_MATCH-1])&s.hash_mask;s.prev[str&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=str;str++}while(--n);s.strstart=str;s.lookahead=MIN_MATCH-1;fill_window(s)}s.strstart+=s.lookahead;s.block_start=s.strstart;s.insert=s.lookahead;s.lookahead=0;s.match_length=s.prev_length=MIN_MATCH-1;s.match_available=0;strm.next_in=next;strm.input=input;strm.avail_in=avail;s.wrap=wrap;return Z_OK}exports.deflateInit=deflateInit;exports.deflateInit2=deflateInit2;exports.deflateReset=deflateReset;exports.deflateResetKeep=deflateResetKeep;exports.deflateSetHeader=deflateSetHeader;exports.deflate=deflate;exports.deflateEnd=deflateEnd;exports.deflateSetDictionary=deflateSetDictionary;exports.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":3,"./adler32":4,"./crc32":6,"./messages":11,"./trees":12}],8:[function(require,module,exports){"use strict";var BAD=30;var TYPE=12;module.exports=function inflate_fast(strm,start){var state;var _in;var last;var _out;var beg;var end;var dmax;var wsize;var whave;var wnext;var s_window;var hold;var bits;var lcode;var dcode;var lmask;var dmask;var here;var op;var len;var dist;var from;var from_source;var input,output;state=strm.state;_in=strm.next_in;input=strm.input;last=_in+(strm.avail_in-5);_out=strm.next_out;output=strm.output;beg=_out-(start-strm.avail_out);end=_out+(strm.avail_out-257);dmax=state.dmax;wsize=state.wsize;whave=state.whave;wnext=state.wnext;s_window=state.window;hold=state.hold;bits=state.bits;lcode=state.lencode;dcode=state.distcode;lmask=(1<<state.lenbits)-1;dmask=(1<<state.distbits)-1;top:do{if(bits<15){hold+=input[_in++]<<bits;bits+=8;hold+=input[_in++]<<bits;bits+=8}here=lcode[hold&lmask];dolen:for(;;){op=here>>>24;hold>>>=op;bits-=op;op=here>>>16&255;if(op===0){output[_out++]=here&65535}else if(op&16){len=here&65535;op&=15;if(op){if(bits<op){hold+=input[_in++]<<bits;bits+=8}len+=hold&(1<<op)-1;hold>>>=op;bits-=op}if(bits<15){hold+=input[_in++]<<bits;bits+=8;hold+=input[_in++]<<bits;bits+=8}here=dcode[hold&dmask];dodist:for(;;){op=here>>>24;hold>>>=op;bits-=op;op=here>>>16&255;if(op&16){dist=here&65535;op&=15;if(bits<op){hold+=input[_in++]<<bits;bits+=8;if(bits<op){hold+=input[_in++]<<bits;bits+=8}}dist+=hold&(1<<op)-1;if(dist>dmax){strm.msg="invalid distance too far back";state.mode=BAD;break top}hold>>>=op;bits-=op;op=_out-beg;if(dist>op){op=dist-op;if(op>whave){if(state.sane){strm.msg="invalid distance too far back";state.mode=BAD;break top}}from=0;from_source=s_window;if(wnext===0){from+=wsize-op;if(op<len){len-=op;do{output[_out++]=s_window[from++]}while(--op);from=_out-dist;from_source=output; | |
| }}else if(wnext<op){from+=wsize+wnext-op;op-=wnext;if(op<len){len-=op;do{output[_out++]=s_window[from++]}while(--op);from=0;if(wnext<len){op=wnext;len-=op;do{output[_out++]=s_window[from++]}while(--op);from=_out-dist;from_source=output}}}else{from+=wnext-op;if(op<len){len-=op;do{output[_out++]=s_window[from++]}while(--op);from=_out-dist;from_source=output}}while(len>2){output[_out++]=from_source[from++];output[_out++]=from_source[from++];output[_out++]=from_source[from++];len-=3}if(len){output[_out++]=from_source[from++];if(len>1){output[_out++]=from_source[from++]}}}else{from=_out-dist;do{output[_out++]=output[from++];output[_out++]=output[from++];output[_out++]=output[from++];len-=3}while(len>2);if(len){output[_out++]=output[from++];if(len>1){output[_out++]=output[from++]}}}}else if((op&64)===0){here=dcode[(here&65535)+(hold&(1<<op)-1)];continue dodist}else{strm.msg="invalid distance code";state.mode=BAD;break top}break}}else if((op&64)===0){here=lcode[(here&65535)+(hold&(1<<op)-1)];continue dolen}else if(op&32){state.mode=TYPE;break top}else{strm.msg="invalid literal/length code";state.mode=BAD;break top}break}}while(_in<last&&_out<end);len=bits>>3;_in-=len;bits-=len<<3;hold&=(1<<bits)-1;strm.next_in=_in;strm.next_out=_out;strm.avail_in=_in<last?5+(last-_in):5-(_in-last);strm.avail_out=_out<end?257+(end-_out):257-(_out-end);state.hold=hold;state.bits=bits;return}},{}],9:[function(require,module,exports){"use strict";var utils=require("../utils/common");var adler32=require("./adler32");var crc32=require("./crc32");var inflate_fast=require("./inffast");var inflate_table=require("./inftrees");var CODES=0;var LENS=1;var DISTS=2;var Z_FINISH=4;var Z_BLOCK=5;var Z_TREES=6;var Z_OK=0;var Z_STREAM_END=1;var Z_NEED_DICT=2;var Z_STREAM_ERROR=-2;var Z_DATA_ERROR=-3;var Z_MEM_ERROR=-4;var Z_BUF_ERROR=-5;var Z_DEFLATED=8;var HEAD=1;var FLAGS=2;var TIME=3;var OS=4;var EXLEN=5;var EXTRA=6;var NAME=7;var COMMENT=8;var HCRC=9;var DICTID=10;var DICT=11;var TYPE=12;var TYPEDO=13;var STORED=14;var COPY_=15;var COPY=16;var TABLE=17;var LENLENS=18;var CODELENS=19;var LEN_=20;var LEN=21;var LENEXT=22;var DIST=23;var DISTEXT=24;var MATCH=25;var LIT=26;var CHECK=27;var LENGTH=28;var DONE=29;var BAD=30;var MEM=31;var SYNC=32;var ENOUGH_LENS=852;var ENOUGH_DISTS=592;var MAX_WBITS=15;var DEF_WBITS=MAX_WBITS;function zswap32(q){return(q>>>24&255)+(q>>>8&65280)+((q&65280)<<8)+((q&255)<<24)}function InflateState(){this.mode=0;this.last=false;this.wrap=0;this.havedict=false;this.flags=0;this.dmax=0;this.check=0;this.total=0;this.head=null;this.wbits=0;this.wsize=0;this.whave=0;this.wnext=0;this.window=null;this.hold=0;this.bits=0;this.length=0;this.offset=0;this.extra=0;this.lencode=null;this.distcode=null;this.lenbits=0;this.distbits=0;this.ncode=0;this.nlen=0;this.ndist=0;this.have=0;this.next=null;this.lens=new utils.Buf16(320);this.work=new utils.Buf16(288);this.lendyn=null;this.distdyn=null;this.sane=0;this.back=0;this.was=0}function inflateResetKeep(strm){var state;if(!strm||!strm.state){return Z_STREAM_ERROR}state=strm.state;strm.total_in=strm.total_out=state.total=0;strm.msg="";if(state.wrap){strm.adler=state.wrap&1}state.mode=HEAD;state.last=0;state.havedict=0;state.dmax=32768;state.head=null;state.hold=0;state.bits=0;state.lencode=state.lendyn=new utils.Buf32(ENOUGH_LENS);state.distcode=state.distdyn=new utils.Buf32(ENOUGH_DISTS);state.sane=1;state.back=-1;return Z_OK}function inflateReset(strm){var state;if(!strm||!strm.state){return Z_STREAM_ERROR}state=strm.state;state.wsize=0;state.whave=0;state.wnext=0;return inflateResetKeep(strm)}function inflateReset2(strm,windowBits){var wrap;var state;if(!strm||!strm.state){return Z_STREAM_ERROR}state=strm.state;if(windowBits<0){wrap=0;windowBits=-windowBits}else{wrap=(windowBits>>4)+1;if(windowBits<48){windowBits&=15}}if(windowBits&&(windowBits<8||windowBits>15)){return Z_STREAM_ERROR}if(state.window!==null&&state.wbits!==windowBits){state.window=null}state.wrap=wrap;state.wbits=windowBits;return inflateReset(strm)}function inflateInit2(strm,windowBits){var ret;var state;if(!strm){return Z_STREAM_ERROR}state=new InflateState;strm.state=state;state.window=null;ret=inflateReset2(strm,windowBits);if(ret!==Z_OK){strm.state=null}return ret}function inflateInit(strm){return inflateInit2(strm,DEF_WBITS)}var virgin=true;var lenfix,distfix;function fixedtables(state){if(virgin){var sym;lenfix=new utils.Buf32(512);distfix=new utils.Buf32(32);sym=0;while(sym<144){state.lens[sym++]=8}while(sym<256){state.lens[sym++]=9}while(sym<280){state.lens[sym++]=7}while(sym<288){state.lens[sym++]=8}inflate_table(LENS,state.lens,0,288,lenfix,0,state.work,{bits:9});sym=0;while(sym<32){state.lens[sym++]=5}inflate_table(DISTS,state.lens,0,32,distfix,0,state.work,{bits:5});virgin=false}state.lencode=lenfix;state.lenbits=9;state.distcode=distfix;state.distbits=5}function updatewindow(strm,src,end,copy){var dist;var state=strm.state;if(state.window===null){state.wsize=1<<state.wbits;state.wnext=0;state.whave=0;state.window=new utils.Buf8(state.wsize)}if(copy>=state.wsize){utils.arraySet(state.window,src,end-state.wsize,state.wsize,0);state.wnext=0;state.whave=state.wsize}else{dist=state.wsize-state.wnext;if(dist>copy){dist=copy}utils.arraySet(state.window,src,end-copy,dist,state.wnext);copy-=dist;if(copy){utils.arraySet(state.window,src,end-copy,copy,0);state.wnext=copy;state.whave=state.wsize}else{state.wnext+=dist;if(state.wnext===state.wsize){state.wnext=0}if(state.whave<state.wsize){state.whave+=dist}}}return 0}function inflate(strm,flush){var state;var input,output;var next;var put;var have,left;var hold;var bits;var _in,_out;var copy;var from;var from_source;var here=0;var here_bits,here_op,here_val;var last_bits,last_op,last_val;var len;var ret;var hbuf=new utils.Buf8(4);var opts;var n;var order=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!strm||!strm.state||!strm.output||!strm.input&&strm.avail_in!==0){return Z_STREAM_ERROR}state=strm.state;if(state.mode===TYPE){state.mode=TYPEDO}put=strm.next_out;output=strm.output;left=strm.avail_out;next=strm.next_in;input=strm.input;have=strm.avail_in;hold=state.hold;bits=state.bits;_in=have;_out=left;ret=Z_OK;inf_leave:for(;;){switch(state.mode){case HEAD:if(state.wrap===0){state.mode=TYPEDO;break}while(bits<16){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(state.wrap&2&&hold===35615){state.check=0;hbuf[0]=hold&255;hbuf[1]=hold>>>8&255;state.check=crc32(state.check,hbuf,2,0);hold=0;bits=0;state.mode=FLAGS;break}state.flags=0;if(state.head){state.head.done=false}if(!(state.wrap&1)||(((hold&255)<<8)+(hold>>8))%31){strm.msg="incorrect header check";state.mode=BAD;break}if((hold&15)!==Z_DEFLATED){strm.msg="unknown compression method";state.mode=BAD;break}hold>>>=4;bits-=4;len=(hold&15)+8;if(state.wbits===0){state.wbits=len}else if(len>state.wbits){strm.msg="invalid window size";state.mode=BAD;break}state.dmax=1<<len;strm.adler=state.check=1;state.mode=hold&512?DICTID:TYPE;hold=0;bits=0;break;case FLAGS:while(bits<16){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.flags=hold;if((state.flags&255)!==Z_DEFLATED){strm.msg="unknown compression method";state.mode=BAD;break}if(state.flags&57344){strm.msg="unknown header flags set";state.mode=BAD;break}if(state.head){state.head.text=hold>>8&1}if(state.flags&512){hbuf[0]=hold&255;hbuf[1]=hold>>>8&255;state.check=crc32(state.check,hbuf,2,0)}hold=0;bits=0;state.mode=TIME;case TIME:while(bits<32){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(state.head){state.head.time=hold}if(state.flags&512){hbuf[0]=hold&255;hbuf[1]=hold>>>8&255;hbuf[2]=hold>>>16&255;hbuf[3]=hold>>>24&255;state.check=crc32(state.check,hbuf,4,0)}hold=0;bits=0;state.mode=OS;case OS:while(bits<16){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(state.head){state.head.xflags=hold&255;state.head.os=hold>>8}if(state.flags&512){hbuf[0]=hold&255;hbuf[1]=hold>>>8&255;state.check=crc32(state.check,hbuf,2,0)}hold=0;bits=0;state.mode=EXLEN;case EXLEN:if(state.flags&1024){while(bits<16){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.length=hold;if(state.head){state.head.extra_len=hold}if(state.flags&512){hbuf[0]=hold&255;hbuf[1]=hold>>>8&255;state.check=crc32(state.check,hbuf,2,0)}hold=0;bits=0}else if(state.head){state.head.extra=null}state.mode=EXTRA;case EXTRA:if(state.flags&1024){copy=state.length;if(copy>have){copy=have}if(copy){if(state.head){len=state.head.extra_len-state.length;if(!state.head.extra){state.head.extra=new Array(state.head.extra_len)}utils.arraySet(state.head.extra,input,next,copy,len)}if(state.flags&512){state.check=crc32(state.check,input,copy,next)}have-=copy;next+=copy;state.length-=copy}if(state.length){break inf_leave}}state.length=0;state.mode=NAME;case NAME:if(state.flags&2048){if(have===0){break inf_leave}copy=0;do{len=input[next+copy++];if(state.head&&len&&state.length<65536){state.head.name+=String.fromCharCode(len)}}while(len&©<have);if(state.flags&512){state.check=crc32(state.check,input,copy,next)}have-=copy;next+=copy;if(len){break inf_leave}}else if(state.head){state.head.name=null}state.length=0;state.mode=COMMENT;case COMMENT:if(state.flags&4096){if(have===0){break inf_leave}copy=0;do{len=input[next+copy++];if(state.head&&len&&state.length<65536){state.head.comment+=String.fromCharCode(len)}}while(len&©<have);if(state.flags&512){state.check=crc32(state.check,input,copy,next)}have-=copy;next+=copy;if(len){break inf_leave}}else if(state.head){state.head.comment=null}state.mode=HCRC;case HCRC:if(state.flags&512){while(bits<16){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(hold!==(state.check&65535)){strm.msg="header crc mismatch";state.mode=BAD;break}hold=0;bits=0}if(state.head){state.head.hcrc=state.flags>>9&1;state.head.done=true}strm.adler=state.check=0;state.mode=TYPE;break;case DICTID:while(bits<32){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}strm.adler=state.check=zswap32(hold);hold=0;bits=0;state.mode=DICT;case DICT:if(state.havedict===0){strm.next_out=put;strm.avail_out=left;strm.next_in=next;strm.avail_in=have;state.hold=hold;state.bits=bits;return Z_NEED_DICT}strm.adler=state.check=1;state.mode=TYPE;case TYPE:if(flush===Z_BLOCK||flush===Z_TREES){break inf_leave}case TYPEDO:if(state.last){hold>>>=bits&7;bits-=bits&7;state.mode=CHECK;break}while(bits<3){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.last=hold&1;hold>>>=1;bits-=1;switch(hold&3){case 0:state.mode=STORED;break;case 1:fixedtables(state);state.mode=LEN_;if(flush===Z_TREES){hold>>>=2;bits-=2;break inf_leave}break;case 2:state.mode=TABLE;break;case 3:strm.msg="invalid block type";state.mode=BAD}hold>>>=2;bits-=2;break;case STORED:hold>>>=bits&7;bits-=bits&7;while(bits<32){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if((hold&65535)!==(hold>>>16^65535)){strm.msg="invalid stored block lengths";state.mode=BAD;break}state.length=hold&65535;hold=0;bits=0;state.mode=COPY_;if(flush===Z_TREES){break inf_leave}case COPY_:state.mode=COPY;case COPY:copy=state.length;if(copy){if(copy>have){copy=have}if(copy>left){copy=left}if(copy===0){break inf_leave}utils.arraySet(output,input,next,copy,put);have-=copy;next+=copy;left-=copy;put+=copy;state.length-=copy;break}state.mode=TYPE;break;case TABLE:while(bits<14){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.nlen=(hold&31)+257;hold>>>=5;bits-=5;state.ndist=(hold&31)+1;hold>>>=5;bits-=5;state.ncode=(hold&15)+4;hold>>>=4;bits-=4;if(state.nlen>286||state.ndist>30){strm.msg="too many length or distance symbols";state.mode=BAD;break}state.have=0;state.mode=LENLENS;case LENLENS:while(state.have<state.ncode){while(bits<3){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.lens[order[state.have++]]=hold&7;hold>>>=3;bits-=3}while(state.have<19){state.lens[order[state.have++]]=0}state.lencode=state.lendyn;state.lenbits=7;opts={bits:state.lenbits};ret=inflate_table(CODES,state.lens,0,19,state.lencode,0,state.work,opts);state.lenbits=opts.bits;if(ret){strm.msg="invalid code lengths set";state.mode=BAD;break}state.have=0;state.mode=CODELENS;case CODELENS:while(state.have<state.nlen+state.ndist){for(;;){here=state.lencode[hold&(1<<state.lenbits)-1];here_bits=here>>>24;here_op=here>>>16&255;here_val=here&65535;if(here_bits<=bits){break}if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(here_val<16){hold>>>=here_bits;bits-=here_bits;state.lens[state.have++]=here_val}else{if(here_val===16){n=here_bits+2;while(bits<n){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}hold>>>=here_bits;bits-=here_bits;if(state.have===0){strm.msg="invalid bit length repeat";state.mode=BAD;break}len=state.lens[state.have-1];copy=3+(hold&3);hold>>>=2;bits-=2}else if(here_val===17){n=here_bits+3;while(bits<n){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}hold>>>=here_bits;bits-=here_bits;len=0;copy=3+(hold&7);hold>>>=3;bits-=3}else{n=here_bits+7;while(bits<n){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}hold>>>=here_bits;bits-=here_bits;len=0;copy=11+(hold&127);hold>>>=7;bits-=7}if(state.have+copy>state.nlen+state.ndist){strm.msg="invalid bit length repeat";state.mode=BAD;break}while(copy--){state.lens[state.have++]=len}}}if(state.mode===BAD){break}if(state.lens[256]===0){strm.msg="invalid code -- missing end-of-block";state.mode=BAD;break}state.lenbits=9;opts={bits:state.lenbits};ret=inflate_table(LENS,state.lens,0,state.nlen,state.lencode,0,state.work,opts);state.lenbits=opts.bits;if(ret){strm.msg="invalid literal/lengths set";state.mode=BAD;break}state.distbits=6;state.distcode=state.distdyn;opts={bits:state.distbits};ret=inflate_table(DISTS,state.lens,state.nlen,state.ndist,state.distcode,0,state.work,opts);state.distbits=opts.bits;if(ret){strm.msg="invalid distances set";state.mode=BAD;break}state.mode=LEN_;if(flush===Z_TREES){break inf_leave}case LEN_:state.mode=LEN;case LEN:if(have>=6&&left>=258){strm.next_out=put;strm.avail_out=left;strm.next_in=next;strm.avail_in=have;state.hold=hold;state.bits=bits;inflate_fast(strm,_out);put=strm.next_out;output=strm.output;left=strm.avail_out;next=strm.next_in;input=strm.input;have=strm.avail_in;hold=state.hold;bits=state.bits;if(state.mode===TYPE){state.back=-1}break}state.back=0;for(;;){here=state.lencode[hold&(1<<state.lenbits)-1];here_bits=here>>>24;here_op=here>>>16&255;here_val=here&65535;if(here_bits<=bits){break}if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(here_op&&(here_op&240)===0){last_bits=here_bits;last_op=here_op;last_val=here_val;for(;;){here=state.lencode[last_val+((hold&(1<<last_bits+last_op)-1)>>last_bits)];here_bits=here>>>24;here_op=here>>>16&255;here_val=here&65535;if(last_bits+here_bits<=bits){break}if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}hold>>>=last_bits;bits-=last_bits;state.back+=last_bits}hold>>>=here_bits;bits-=here_bits;state.back+=here_bits;state.length=here_val;if(here_op===0){state.mode=LIT;break}if(here_op&32){state.back=-1;state.mode=TYPE;break}if(here_op&64){strm.msg="invalid literal/length code";state.mode=BAD;break}state.extra=here_op&15;state.mode=LENEXT;case LENEXT:if(state.extra){n=state.extra;while(bits<n){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.length+=hold&(1<<state.extra)-1;hold>>>=state.extra;bits-=state.extra;state.back+=state.extra}state.was=state.length;state.mode=DIST;case DIST:for(;;){here=state.distcode[hold&(1<<state.distbits)-1];here_bits=here>>>24;here_op=here>>>16&255;here_val=here&65535;if(here_bits<=bits){break}if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if((here_op&240)===0){last_bits=here_bits;last_op=here_op;last_val=here_val;for(;;){here=state.distcode[last_val+((hold&(1<<last_bits+last_op)-1)>>last_bits)];here_bits=here>>>24;here_op=here>>>16&255;here_val=here&65535;if(last_bits+here_bits<=bits){break}if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}hold>>>=last_bits;bits-=last_bits;state.back+=last_bits}hold>>>=here_bits;bits-=here_bits;state.back+=here_bits;if(here_op&64){strm.msg="invalid distance code";state.mode=BAD;break}state.offset=here_val;state.extra=here_op&15;state.mode=DISTEXT;case DISTEXT:if(state.extra){n=state.extra;while(bits<n){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.offset+=hold&(1<<state.extra)-1;hold>>>=state.extra;bits-=state.extra;state.back+=state.extra}if(state.offset>state.dmax){strm.msg="invalid distance too far back";state.mode=BAD;break}state.mode=MATCH;case MATCH:if(left===0){break inf_leave}copy=_out-left;if(state.offset>copy){copy=state.offset-copy;if(copy>state.whave){if(state.sane){strm.msg="invalid distance too far back";state.mode=BAD;break}}if(copy>state.wnext){copy-=state.wnext;from=state.wsize-copy}else{from=state.wnext-copy}if(copy>state.length){copy=state.length}from_source=state.window}else{from_source=output;from=put-state.offset;copy=state.length}if(copy>left){copy=left}left-=copy;state.length-=copy;do{output[put++]=from_source[from++]}while(--copy);if(state.length===0){state.mode=LEN}break;case LIT:if(left===0){break inf_leave}output[put++]=state.length;left--;state.mode=LEN;break;case CHECK:if(state.wrap){while(bits<32){if(have===0){break inf_leave}have--;hold|=input[next++]<<bits;bits+=8}_out-=left;strm.total_out+=_out;state.total+=_out;if(_out){strm.adler=state.check=state.flags?crc32(state.check,output,_out,put-_out):adler32(state.check,output,_out,put-_out)}_out=left;if((state.flags?hold:zswap32(hold))!==state.check){strm.msg="incorrect data check";state.mode=BAD;break}hold=0;bits=0}state.mode=LENGTH;case LENGTH:if(state.wrap&&state.flags){while(bits<32){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(hold!==(state.total&4294967295)){strm.msg="incorrect length check";state.mode=BAD;break}hold=0;bits=0}state.mode=DONE;case DONE:ret=Z_STREAM_END;break inf_leave;case BAD:ret=Z_DATA_ERROR;break inf_leave;case MEM:return Z_MEM_ERROR;case SYNC:default:return Z_STREAM_ERROR}}strm.next_out=put;strm.avail_out=left;strm.next_in=next;strm.avail_in=have;state.hold=hold;state.bits=bits;if(state.wsize||_out!==strm.avail_out&&state.mode<BAD&&(state.mode<CHECK||flush!==Z_FINISH)){if(updatewindow(strm,strm.output,strm.next_out,_out-strm.avail_out)){state.mode=MEM;return Z_MEM_ERROR}}_in-=strm.avail_in;_out-=strm.avail_out;strm.total_in+=_in;strm.total_out+=_out;state.total+=_out;if(state.wrap&&_out){strm.adler=state.check=state.flags?crc32(state.check,output,_out,strm.next_out-_out):adler32(state.check,output,_out,strm.next_out-_out)}strm.data_type=state.bits+(state.last?64:0)+(state.mode===TYPE?128:0)+(state.mode===LEN_||state.mode===COPY_?256:0);if((_in===0&&_out===0||flush===Z_FINISH)&&ret===Z_OK){ret=Z_BUF_ERROR}return ret}function inflateEnd(strm){if(!strm||!strm.state){return Z_STREAM_ERROR}var state=strm.state;if(state.window){state.window=null}strm.state=null;return Z_OK}function inflateGetHeader(strm,head){var state;if(!strm||!strm.state){return Z_STREAM_ERROR}state=strm.state;if((state.wrap&2)===0){return Z_STREAM_ERROR}state.head=head;head.done=false;return Z_OK}function inflateSetDictionary(strm,dictionary){var dictLength=dictionary.length;var state;var dictid;var ret;if(!strm||!strm.state){return Z_STREAM_ERROR}state=strm.state;if(state.wrap!==0&&state.mode!==DICT){return Z_STREAM_ERROR}if(state.mode===DICT){dictid=1;dictid=adler32(dictid,dictionary,dictLength,0);if(dictid!==state.check){return Z_DATA_ERROR}}ret=updatewindow(strm,dictionary,dictLength,dictLength);if(ret){state.mode=MEM;return Z_MEM_ERROR}state.havedict=1;return Z_OK}exports.inflateReset=inflateReset;exports.inflateReset2=inflateReset2;exports.inflateResetKeep=inflateResetKeep;exports.inflateInit=inflateInit;exports.inflateInit2=inflateInit2;exports.inflate=inflate;exports.inflateEnd=inflateEnd;exports.inflateGetHeader=inflateGetHeader;exports.inflateSetDictionary=inflateSetDictionary;exports.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":3,"./adler32":4,"./crc32":6,"./inffast":8,"./inftrees":10}],10:[function(require,module,exports){"use strict";var utils=require("../utils/common");var MAXBITS=15;var ENOUGH_LENS=852;var ENOUGH_DISTS=592;var CODES=0;var LENS=1;var DISTS=2;var lbase=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0];var lext=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78];var dbase=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0];var dext=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];module.exports=function inflate_table(type,lens,lens_index,codes,table,table_index,work,opts){var bits=opts.bits;var len=0;var sym=0;var min=0,max=0;var root=0;var curr=0;var drop=0;var left=0;var used=0;var huff=0;var incr;var fill;var low;var mask;var next;var base=null;var base_index=0;var end;var count=new utils.Buf16(MAXBITS+1);var offs=new utils.Buf16(MAXBITS+1);var extra=null;var extra_index=0;var here_bits,here_op,here_val;for(len=0;len<=MAXBITS;len++){count[len]=0}for(sym=0;sym<codes;sym++){count[lens[lens_index+sym]]++}root=bits;for(max=MAXBITS;max>=1;max--){if(count[max]!==0){break}}if(root>max){root=max}if(max===0){table[table_index++]=1<<24|64<<16|0;table[table_index++]=1<<24|64<<16|0;opts.bits=1;return 0}for(min=1;min<max;min++){if(count[min]!==0){break}}if(root<min){root=min}left=1;for(len=1;len<=MAXBITS;len++){left<<=1;left-=count[len];if(left<0){return-1}}if(left>0&&(type===CODES||max!==1)){return-1}offs[1]=0;for(len=1;len<MAXBITS;len++){offs[len+1]=offs[len]+count[len]}for(sym=0;sym<codes;sym++){if(lens[lens_index+sym]!==0){work[offs[lens[lens_index+sym]]++]=sym}}if(type===CODES){base=extra=work;end=19}else if(type===LENS){base=lbase;base_index-=257;extra=lext;extra_index-=257;end=256}else{base=dbase;extra=dext;end=-1}huff=0;sym=0;len=min;next=table_index;curr=root;drop=0;low=-1;used=1<<root;mask=used-1;if(type===LENS&&used>ENOUGH_LENS||type===DISTS&&used>ENOUGH_DISTS){return 1}var i=0;for(;;){i++;here_bits=len-drop;if(work[sym]<end){here_op=0;here_val=work[sym]}else if(work[sym]>end){here_op=extra[extra_index+work[sym]];here_val=base[base_index+work[sym]]}else{here_op=32+64;here_val=0}incr=1<<len-drop;fill=1<<curr;min=fill;do{fill-=incr;table[next+(huff>>drop)+fill]=here_bits<<24|here_op<<16|here_val|0}while(fill!==0);incr=1<<len-1;while(huff&incr){incr>>=1}if(incr!==0){huff&=incr-1;huff+=incr}else{huff=0}sym++;if(--count[len]===0){if(len===max){break}len=lens[lens_index+work[sym]]}if(len>root&&(huff&mask)!==low){if(drop===0){drop=root}next+=min;curr=len-drop;left=1<<curr;while(curr+drop<max){left-=count[curr+drop];if(left<=0){break}curr++;left<<=1}used+=1<<curr;if(type===LENS&&used>ENOUGH_LENS||type===DISTS&&used>ENOUGH_DISTS){return 1}low=huff&mask;table[low]=root<<24|curr<<16|next-table_index|0}}if(huff!==0){table[next+huff]=len-drop<<24|64<<16|0}opts.bits=root;return 0}},{"../utils/common":3}],11:[function(require,module,exports){"use strict";module.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],12:[function(require,module,exports){"use strict";var utils=require("../utils/common");var Z_FIXED=4;var Z_BINARY=0;var Z_TEXT=1;var Z_UNKNOWN=2;function zero(buf){var len=buf.length;while(--len>=0){buf[len]=0}}var STORED_BLOCK=0;var STATIC_TREES=1;var DYN_TREES=2;var MIN_MATCH=3;var MAX_MATCH=258;var LENGTH_CODES=29;var LITERALS=256;var L_CODES=LITERALS+1+LENGTH_CODES;var D_CODES=30;var BL_CODES=19;var HEAP_SIZE=2*L_CODES+1;var MAX_BITS=15;var Buf_size=16;var MAX_BL_BITS=7;var END_BLOCK=256;var REP_3_6=16;var REPZ_3_10=17;var REPZ_11_138=18;var extra_lbits=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0];var extra_dbits=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13];var extra_blbits=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7];var bl_order=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];var DIST_CODE_LEN=512;var static_ltree=new Array((L_CODES+2)*2);zero(static_ltree);var static_dtree=new Array(D_CODES*2);zero(static_dtree);var _dist_code=new Array(DIST_CODE_LEN);zero(_dist_code);var _length_code=new Array(MAX_MATCH-MIN_MATCH+1);zero(_length_code);var base_length=new Array(LENGTH_CODES);zero(base_length);var base_dist=new Array(D_CODES);zero(base_dist);function StaticTreeDesc(static_tree,extra_bits,extra_base,elems,max_length){this.static_tree=static_tree;this.extra_bits=extra_bits;this.extra_base=extra_base;this.elems=elems;this.max_length=max_length;this.has_stree=static_tree&&static_tree.length}var static_l_desc;var static_d_desc;var static_bl_desc;function TreeDesc(dyn_tree,stat_desc){this.dyn_tree=dyn_tree;this.max_code=0;this.stat_desc=stat_desc}function d_code(dist){return dist<256?_dist_code[dist]:_dist_code[256+(dist>>>7)]}function put_short(s,w){s.pending_buf[s.pending++]=w&255;s.pending_buf[s.pending++]=w>>>8&255}function send_bits(s,value,length){if(s.bi_valid>Buf_size-length){s.bi_buf|=value<<s.bi_valid&65535;put_short(s,s.bi_buf);s.bi_buf=value>>Buf_size-s.bi_valid;s.bi_valid+=length-Buf_size}else{s.bi_buf|=value<<s.bi_valid&65535;s.bi_valid+=length}}function send_code(s,c,tree){send_bits(s,tree[c*2],tree[c*2+1])}function bi_reverse(code,len){var res=0;do{res|=code&1;code>>>=1;res<<=1}while(--len>0);return res>>>1}function bi_flush(s){if(s.bi_valid===16){put_short(s,s.bi_buf);s.bi_buf=0;s.bi_valid=0}else if(s.bi_valid>=8){s.pending_buf[s.pending++]=s.bi_buf&255;s.bi_buf>>=8;s.bi_valid-=8}}function gen_bitlen(s,desc){var tree=desc.dyn_tree;var max_code=desc.max_code;var stree=desc.stat_desc.static_tree;var has_stree=desc.stat_desc.has_stree;var extra=desc.stat_desc.extra_bits;var base=desc.stat_desc.extra_base;var max_length=desc.stat_desc.max_length;var h;var n,m;var bits;var xbits;var f;var overflow=0;for(bits=0;bits<=MAX_BITS;bits++){s.bl_count[bits]=0}tree[s.heap[s.heap_max]*2+1]=0;for(h=s.heap_max+1;h<HEAP_SIZE;h++){n=s.heap[h];bits=tree[tree[n*2+1]*2+1]+1;if(bits>max_length){bits=max_length;overflow++}tree[n*2+1]=bits;if(n>max_code){continue}s.bl_count[bits]++;xbits=0;if(n>=base){xbits=extra[n-base]}f=tree[n*2];s.opt_len+=f*(bits+xbits);if(has_stree){s.static_len+=f*(stree[n*2+1]+xbits)}}if(overflow===0){return}do{bits=max_length-1;while(s.bl_count[bits]===0){bits--}s.bl_count[bits]--;s.bl_count[bits+1]+=2;s.bl_count[max_length]--;overflow-=2}while(overflow>0);for(bits=max_length;bits!==0;bits--){n=s.bl_count[bits];while(n!==0){m=s.heap[--h];if(m>max_code){continue}if(tree[m*2+1]!==bits){s.opt_len+=(bits-tree[m*2+1])*tree[m*2];tree[m*2+1]=bits}n--}}}function gen_codes(tree,max_code,bl_count){var next_code=new Array(MAX_BITS+1);var code=0;var bits;var n;for(bits=1;bits<=MAX_BITS;bits++){next_code[bits]=code=code+bl_count[bits-1]<<1}for(n=0;n<=max_code;n++){var len=tree[n*2+1];if(len===0){continue}tree[n*2]=bi_reverse(next_code[len]++,len)}}function tr_static_init(){var n;var bits;var length;var code;var dist;var bl_count=new Array(MAX_BITS+1);length=0;for(code=0;code<LENGTH_CODES-1;code++){base_length[code]=length;for(n=0;n<1<<extra_lbits[code];n++){_length_code[length++]=code}}_length_code[length-1]=code;dist=0;for(code=0;code<16;code++){base_dist[code]=dist;for(n=0;n<1<<extra_dbits[code];n++){_dist_code[dist++]=code}}dist>>=7;for(;code<D_CODES;code++){base_dist[code]=dist<<7;for(n=0;n<1<<extra_dbits[code]-7;n++){_dist_code[256+dist++]=code}}for(bits=0;bits<=MAX_BITS;bits++){bl_count[bits]=0}n=0;while(n<=143){static_ltree[n*2+1]=8;n++;bl_count[8]++}while(n<=255){static_ltree[n*2+1]=9;n++;bl_count[9]++}while(n<=279){static_ltree[n*2+1]=7;n++;bl_count[7]++}while(n<=287){static_ltree[n*2+1]=8;n++;bl_count[8]++}gen_codes(static_ltree,L_CODES+1,bl_count);for(n=0;n<D_CODES;n++){static_dtree[n*2+1]=5;static_dtree[n*2]=bi_reverse(n,5)}static_l_desc=new StaticTreeDesc(static_ltree,extra_lbits,LITERALS+1,L_CODES,MAX_BITS);static_d_desc=new StaticTreeDesc(static_dtree,extra_dbits,0,D_CODES,MAX_BITS);static_bl_desc=new StaticTreeDesc(new Array(0),extra_blbits,0,BL_CODES,MAX_BL_BITS)}function init_block(s){var n;for(n=0;n<L_CODES;n++){s.dyn_ltree[n*2]=0}for(n=0;n<D_CODES;n++){s.dyn_dtree[n*2]=0}for(n=0;n<BL_CODES;n++){s.bl_tree[n*2]=0}s.dyn_ltree[END_BLOCK*2]=1;s.opt_len=s.static_len=0;s.last_lit=s.matches=0}function bi_windup(s){if(s.bi_valid>8){put_short(s,s.bi_buf)}else if(s.bi_valid>0){s.pending_buf[s.pending++]=s.bi_buf}s.bi_buf=0;s.bi_valid=0}function copy_block(s,buf,len,header){bi_windup(s);if(header){put_short(s,len);put_short(s,~len)}utils.arraySet(s.pending_buf,s.window,buf,len,s.pending);s.pending+=len}function smaller(tree,n,m,depth){var _n2=n*2;var _m2=m*2;return tree[_n2]<tree[_m2]||tree[_n2]===tree[_m2]&&depth[n]<=depth[m]}function pqdownheap(s,tree,k){var v=s.heap[k];var j=k<<1;while(j<=s.heap_len){if(j<s.heap_len&&smaller(tree,s.heap[j+1],s.heap[j],s.depth)){j++}if(smaller(tree,v,s.heap[j],s.depth)){break}s.heap[k]=s.heap[j];k=j;j<<=1}s.heap[k]=v}function compress_block(s,ltree,dtree){var dist;var lc;var lx=0;var code;var extra;if(s.last_lit!==0){do{dist=s.pending_buf[s.d_buf+lx*2]<<8|s.pending_buf[s.d_buf+lx*2+1];lc=s.pending_buf[s.l_buf+lx];lx++;if(dist===0){send_code(s,lc,ltree)}else{code=_length_code[lc];send_code(s,code+LITERALS+1,ltree);extra=extra_lbits[code];if(extra!==0){lc-=base_length[code];send_bits(s,lc,extra)}dist--;code=d_code(dist);send_code(s,code,dtree);extra=extra_dbits[code];if(extra!==0){dist-=base_dist[code];send_bits(s,dist,extra)}}}while(lx<s.last_lit)}send_code(s,END_BLOCK,ltree)}function build_tree(s,desc){var tree=desc.dyn_tree;var stree=desc.stat_desc.static_tree;var has_stree=desc.stat_desc.has_stree;var elems=desc.stat_desc.elems;var n,m;var max_code=-1;var node;s.heap_len=0;s.heap_max=HEAP_SIZE;for(n=0;n<elems;n++){if(tree[n*2]!==0){s.heap[++s.heap_len]=max_code=n;s.depth[n]=0}else{tree[n*2+1]=0}}while(s.heap_len<2){node=s.heap[++s.heap_len]=max_code<2?++max_code:0;tree[node*2]=1;s.depth[node]=0;s.opt_len--;if(has_stree){s.static_len-=stree[node*2+1]}}desc.max_code=max_code;for(n=s.heap_len>>1;n>=1;n--){pqdownheap(s,tree,n)}node=elems;do{n=s.heap[1];s.heap[1]=s.heap[s.heap_len--];pqdownheap(s,tree,1);m=s.heap[1];s.heap[--s.heap_max]=n;s.heap[--s.heap_max]=m;tree[node*2]=tree[n*2]+tree[m*2];s.depth[node]=(s.depth[n]>=s.depth[m]?s.depth[n]:s.depth[m])+1;tree[n*2+1]=tree[m*2+1]=node;s.heap[1]=node++;pqdownheap(s,tree,1)}while(s.heap_len>=2);s.heap[--s.heap_max]=s.heap[1];gen_bitlen(s,desc);gen_codes(tree,max_code,s.bl_count)}function scan_tree(s,tree,max_code){var n;var prevlen=-1;var curlen;var nextlen=tree[0*2+1];var count=0;var max_count=7;var min_count=4;if(nextlen===0){max_count=138;min_count=3}tree[(max_code+1)*2+1]=65535;for(n=0;n<=max_code;n++){curlen=nextlen;nextlen=tree[(n+1)*2+1];if(++count<max_count&&curlen===nextlen){continue}else if(count<min_count){s.bl_tree[curlen*2]+=count}else if(curlen!==0){if(curlen!==prevlen){s.bl_tree[curlen*2]++}s.bl_tree[REP_3_6*2]++}else if(count<=10){s.bl_tree[REPZ_3_10*2]++}else{s.bl_tree[REPZ_11_138*2]++}count=0;prevlen=curlen;if(nextlen===0){max_count=138;min_count=3}else if(curlen===nextlen){max_count=6;min_count=3}else{max_count=7;min_count=4}}}function send_tree(s,tree,max_code){var n;var prevlen=-1;var curlen;var nextlen=tree[0*2+1];var count=0;var max_count=7;var min_count=4;if(nextlen===0){max_count=138;min_count=3}for(n=0;n<=max_code;n++){curlen=nextlen;nextlen=tree[(n+1)*2+1];if(++count<max_count&&curlen===nextlen){continue}else if(count<min_count){do{send_code(s,curlen,s.bl_tree)}while(--count!==0)}else if(curlen!==0){if(curlen!==prevlen){send_code(s,curlen,s.bl_tree);count--}send_code(s,REP_3_6,s.bl_tree);send_bits(s,count-3,2)}else if(count<=10){ | |
| send_code(s,REPZ_3_10,s.bl_tree);send_bits(s,count-3,3)}else{send_code(s,REPZ_11_138,s.bl_tree);send_bits(s,count-11,7)}count=0;prevlen=curlen;if(nextlen===0){max_count=138;min_count=3}else if(curlen===nextlen){max_count=6;min_count=3}else{max_count=7;min_count=4}}}function build_bl_tree(s){var max_blindex;scan_tree(s,s.dyn_ltree,s.l_desc.max_code);scan_tree(s,s.dyn_dtree,s.d_desc.max_code);build_tree(s,s.bl_desc);for(max_blindex=BL_CODES-1;max_blindex>=3;max_blindex--){if(s.bl_tree[bl_order[max_blindex]*2+1]!==0){break}}s.opt_len+=3*(max_blindex+1)+5+5+4;return max_blindex}function send_all_trees(s,lcodes,dcodes,blcodes){var rank;send_bits(s,lcodes-257,5);send_bits(s,dcodes-1,5);send_bits(s,blcodes-4,4);for(rank=0;rank<blcodes;rank++){send_bits(s,s.bl_tree[bl_order[rank]*2+1],3)}send_tree(s,s.dyn_ltree,lcodes-1);send_tree(s,s.dyn_dtree,dcodes-1)}function detect_data_type(s){var black_mask=4093624447;var n;for(n=0;n<=31;n++,black_mask>>>=1){if(black_mask&1&&s.dyn_ltree[n*2]!==0){return Z_BINARY}}if(s.dyn_ltree[9*2]!==0||s.dyn_ltree[10*2]!==0||s.dyn_ltree[13*2]!==0){return Z_TEXT}for(n=32;n<LITERALS;n++){if(s.dyn_ltree[n*2]!==0){return Z_TEXT}}return Z_BINARY}var static_init_done=false;function _tr_init(s){if(!static_init_done){tr_static_init();static_init_done=true}s.l_desc=new TreeDesc(s.dyn_ltree,static_l_desc);s.d_desc=new TreeDesc(s.dyn_dtree,static_d_desc);s.bl_desc=new TreeDesc(s.bl_tree,static_bl_desc);s.bi_buf=0;s.bi_valid=0;init_block(s)}function _tr_stored_block(s,buf,stored_len,last){send_bits(s,(STORED_BLOCK<<1)+(last?1:0),3);copy_block(s,buf,stored_len,true)}function _tr_align(s){send_bits(s,STATIC_TREES<<1,3);send_code(s,END_BLOCK,static_ltree);bi_flush(s)}function _tr_flush_block(s,buf,stored_len,last){var opt_lenb,static_lenb;var max_blindex=0;if(s.level>0){if(s.strm.data_type===Z_UNKNOWN){s.strm.data_type=detect_data_type(s)}build_tree(s,s.l_desc);build_tree(s,s.d_desc);max_blindex=build_bl_tree(s);opt_lenb=s.opt_len+3+7>>>3;static_lenb=s.static_len+3+7>>>3;if(static_lenb<=opt_lenb){opt_lenb=static_lenb}}else{opt_lenb=static_lenb=stored_len+5}if(stored_len+4<=opt_lenb&&buf!==-1){_tr_stored_block(s,buf,stored_len,last)}else if(s.strategy===Z_FIXED||static_lenb===opt_lenb){send_bits(s,(STATIC_TREES<<1)+(last?1:0),3);compress_block(s,static_ltree,static_dtree)}else{send_bits(s,(DYN_TREES<<1)+(last?1:0),3);send_all_trees(s,s.l_desc.max_code+1,s.d_desc.max_code+1,max_blindex+1);compress_block(s,s.dyn_ltree,s.dyn_dtree)}init_block(s);if(last){bi_windup(s)}}function _tr_tally(s,dist,lc){s.pending_buf[s.d_buf+s.last_lit*2]=dist>>>8&255;s.pending_buf[s.d_buf+s.last_lit*2+1]=dist&255;s.pending_buf[s.l_buf+s.last_lit]=lc&255;s.last_lit++;if(dist===0){s.dyn_ltree[lc*2]++}else{s.matches++;dist--;s.dyn_ltree[(_length_code[lc]+LITERALS+1)*2]++;s.dyn_dtree[d_code(dist)*2]++}return s.last_lit===s.lit_bufsize-1}exports._tr_init=_tr_init;exports._tr_stored_block=_tr_stored_block;exports._tr_flush_block=_tr_flush_block;exports._tr_tally=_tr_tally;exports._tr_align=_tr_align},{"../utils/common":3}],13:[function(require,module,exports){"use strict";function ZStream(){this.input=null;this.next_in=0;this.avail_in=0;this.total_in=0;this.output=null;this.next_out=0;this.avail_out=0;this.total_out=0;this.msg="";this.state=null;this.data_type=2;this.adler=0}module.exports=ZStream},{}],14:[function(require,module,exports){(function(process,Buffer){var msg=require("pako/lib/zlib/messages");var zstream=require("pako/lib/zlib/zstream");var zlib_deflate=require("pako/lib/zlib/deflate.js");var zlib_inflate=require("pako/lib/zlib/inflate.js");var constants=require("pako/lib/zlib/constants");for(var key in constants){exports[key]=constants[key]}exports.NONE=0;exports.DEFLATE=1;exports.INFLATE=2;exports.GZIP=3;exports.GUNZIP=4;exports.DEFLATERAW=5;exports.INFLATERAW=6;exports.UNZIP=7;function Zlib(mode){if(mode<exports.DEFLATE||mode>exports.UNZIP)throw new TypeError("Bad argument");this.mode=mode;this.init_done=false;this.write_in_progress=false;this.pending_close=false;this.windowBits=0;this.level=0;this.memLevel=0;this.strategy=0;this.dictionary=null}Zlib.prototype.init=function(windowBits,level,memLevel,strategy,dictionary){this.windowBits=windowBits;this.level=level;this.memLevel=memLevel;this.strategy=strategy;if(this.mode===exports.GZIP||this.mode===exports.GUNZIP)this.windowBits+=16;if(this.mode===exports.UNZIP)this.windowBits+=32;if(this.mode===exports.DEFLATERAW||this.mode===exports.INFLATERAW)this.windowBits=-this.windowBits;this.strm=new zstream;switch(this.mode){case exports.DEFLATE:case exports.GZIP:case exports.DEFLATERAW:var status=zlib_deflate.deflateInit2(this.strm,this.level,exports.Z_DEFLATED,this.windowBits,this.memLevel,this.strategy);break;case exports.INFLATE:case exports.GUNZIP:case exports.INFLATERAW:case exports.UNZIP:var status=zlib_inflate.inflateInit2(this.strm,this.windowBits);break;default:throw new Error("Unknown mode "+this.mode)}if(status!==exports.Z_OK){this._error(status);return}this.write_in_progress=false;this.init_done=true};Zlib.prototype.params=function(){throw new Error("deflateParams Not supported")};Zlib.prototype._writeCheck=function(){if(!this.init_done)throw new Error("write before init");if(this.mode===exports.NONE)throw new Error("already finalized");if(this.write_in_progress)throw new Error("write already in progress");if(this.pending_close)throw new Error("close is pending")};Zlib.prototype.write=function(flush,input,in_off,in_len,out,out_off,out_len){this._writeCheck();this.write_in_progress=true;var self=this;process.nextTick(function(){self.write_in_progress=false;var res=self._write(flush,input,in_off,in_len,out,out_off,out_len);self.callback(res[0],res[1]);if(self.pending_close)self.close()});return this};function bufferSet(data,offset){for(var i=0;i<data.length;i++){this[offset+i]=data[i]}}Zlib.prototype.writeSync=function(flush,input,in_off,in_len,out,out_off,out_len){this._writeCheck();return this._write(flush,input,in_off,in_len,out,out_off,out_len)};Zlib.prototype._write=function(flush,input,in_off,in_len,out,out_off,out_len){this.write_in_progress=true;if(flush!==exports.Z_NO_FLUSH&&flush!==exports.Z_PARTIAL_FLUSH&&flush!==exports.Z_SYNC_FLUSH&&flush!==exports.Z_FULL_FLUSH&&flush!==exports.Z_FINISH&&flush!==exports.Z_BLOCK){throw new Error("Invalid flush value")}if(input==null){input=new Buffer(0);in_len=0;in_off=0}if(out._set)out.set=out._set;else out.set=bufferSet;var strm=this.strm;strm.avail_in=in_len;strm.input=input;strm.next_in=in_off;strm.avail_out=out_len;strm.output=out;strm.next_out=out_off;switch(this.mode){case exports.DEFLATE:case exports.GZIP:case exports.DEFLATERAW:var status=zlib_deflate.deflate(strm,flush);break;case exports.UNZIP:case exports.INFLATE:case exports.GUNZIP:case exports.INFLATERAW:var status=zlib_inflate.inflate(strm,flush);break;default:throw new Error("Unknown mode "+this.mode)}if(status!==exports.Z_STREAM_END&&status!==exports.Z_OK){this._error(status)}this.write_in_progress=false;return[strm.avail_in,strm.avail_out]};Zlib.prototype.close=function(){if(this.write_in_progress){this.pending_close=true;return}this.pending_close=false;if(this.mode===exports.DEFLATE||this.mode===exports.GZIP||this.mode===exports.DEFLATERAW){zlib_deflate.deflateEnd(this.strm)}else{zlib_inflate.inflateEnd(this.strm)}this.mode=exports.NONE};Zlib.prototype.reset=function(){switch(this.mode){case exports.DEFLATE:case exports.DEFLATERAW:var status=zlib_deflate.deflateReset(this.strm);break;case exports.INFLATE:case exports.INFLATERAW:var status=zlib_inflate.inflateReset(this.strm);break}if(status!==exports.Z_OK){this._error(status)}};Zlib.prototype._error=function(status){this.onerror(msg[status]+": "+this.strm.msg,status);this.write_in_progress=false;if(this.pending_close)this.close()};exports.Zlib=Zlib}).call(this,require("_process"),require("buffer").Buffer)},{_process:23,buffer:16,"pako/lib/zlib/constants":5,"pako/lib/zlib/deflate.js":7,"pako/lib/zlib/inflate.js":9,"pako/lib/zlib/messages":11,"pako/lib/zlib/zstream":13}],15:[function(require,module,exports){(function(process,Buffer){var Transform=require("_stream_transform");var binding=require("./binding");var util=require("util");var assert=require("assert").ok;binding.Z_MIN_WINDOWBITS=8;binding.Z_MAX_WINDOWBITS=15;binding.Z_DEFAULT_WINDOWBITS=15;binding.Z_MIN_CHUNK=64;binding.Z_MAX_CHUNK=Infinity;binding.Z_DEFAULT_CHUNK=16*1024;binding.Z_MIN_MEMLEVEL=1;binding.Z_MAX_MEMLEVEL=9;binding.Z_DEFAULT_MEMLEVEL=8;binding.Z_MIN_LEVEL=-1;binding.Z_MAX_LEVEL=9;binding.Z_DEFAULT_LEVEL=binding.Z_DEFAULT_COMPRESSION;Object.keys(binding).forEach(function(k){if(k.match(/^Z/))exports[k]=binding[k]});exports.codes={Z_OK:binding.Z_OK,Z_STREAM_END:binding.Z_STREAM_END,Z_NEED_DICT:binding.Z_NEED_DICT,Z_ERRNO:binding.Z_ERRNO,Z_STREAM_ERROR:binding.Z_STREAM_ERROR,Z_DATA_ERROR:binding.Z_DATA_ERROR,Z_MEM_ERROR:binding.Z_MEM_ERROR,Z_BUF_ERROR:binding.Z_BUF_ERROR,Z_VERSION_ERROR:binding.Z_VERSION_ERROR};Object.keys(exports.codes).forEach(function(k){exports.codes[exports.codes[k]]=k});exports.Deflate=Deflate;exports.Inflate=Inflate;exports.Gzip=Gzip;exports.Gunzip=Gunzip;exports.DeflateRaw=DeflateRaw;exports.InflateRaw=InflateRaw;exports.Unzip=Unzip;exports.createDeflate=function(o){return new Deflate(o)};exports.createInflate=function(o){return new Inflate(o)};exports.createDeflateRaw=function(o){return new DeflateRaw(o)};exports.createInflateRaw=function(o){return new InflateRaw(o)};exports.createGzip=function(o){return new Gzip(o)};exports.createGunzip=function(o){return new Gunzip(o)};exports.createUnzip=function(o){return new Unzip(o)};exports.deflate=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new Deflate(opts),buffer,callback)};exports.deflateSync=function(buffer,opts){return zlibBufferSync(new Deflate(opts),buffer)};exports.gzip=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new Gzip(opts),buffer,callback)};exports.gzipSync=function(buffer,opts){return zlibBufferSync(new Gzip(opts),buffer)};exports.deflateRaw=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new DeflateRaw(opts),buffer,callback)};exports.deflateRawSync=function(buffer,opts){return zlibBufferSync(new DeflateRaw(opts),buffer)};exports.unzip=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new Unzip(opts),buffer,callback)};exports.unzipSync=function(buffer,opts){return zlibBufferSync(new Unzip(opts),buffer)};exports.inflate=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new Inflate(opts),buffer,callback)};exports.inflateSync=function(buffer,opts){return zlibBufferSync(new Inflate(opts),buffer)};exports.gunzip=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new Gunzip(opts),buffer,callback)};exports.gunzipSync=function(buffer,opts){return zlibBufferSync(new Gunzip(opts),buffer)};exports.inflateRaw=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new InflateRaw(opts),buffer,callback)};exports.inflateRawSync=function(buffer,opts){return zlibBufferSync(new InflateRaw(opts),buffer)};function zlibBuffer(engine,buffer,callback){var buffers=[];var nread=0;engine.on("error",onError);engine.on("end",onEnd);engine.end(buffer);flow();function flow(){var chunk;while(null!==(chunk=engine.read())){buffers.push(chunk);nread+=chunk.length}engine.once("readable",flow)}function onError(err){engine.removeListener("end",onEnd);engine.removeListener("readable",flow);callback(err)}function onEnd(){var buf=Buffer.concat(buffers,nread);buffers=[];callback(null,buf);engine.close()}}function zlibBufferSync(engine,buffer){if(typeof buffer==="string")buffer=new Buffer(buffer);if(!Buffer.isBuffer(buffer))throw new TypeError("Not a string or buffer");var flushFlag=binding.Z_FINISH;return engine._processChunk(buffer,flushFlag)}function Deflate(opts){if(!(this instanceof Deflate))return new Deflate(opts);Zlib.call(this,opts,binding.DEFLATE)}function Inflate(opts){if(!(this instanceof Inflate))return new Inflate(opts);Zlib.call(this,opts,binding.INFLATE)}function Gzip(opts){if(!(this instanceof Gzip))return new Gzip(opts);Zlib.call(this,opts,binding.GZIP)}function Gunzip(opts){if(!(this instanceof Gunzip))return new Gunzip(opts);Zlib.call(this,opts,binding.GUNZIP)}function DeflateRaw(opts){if(!(this instanceof DeflateRaw))return new DeflateRaw(opts);Zlib.call(this,opts,binding.DEFLATERAW)}function InflateRaw(opts){if(!(this instanceof InflateRaw))return new InflateRaw(opts);Zlib.call(this,opts,binding.INFLATERAW)}function Unzip(opts){if(!(this instanceof Unzip))return new Unzip(opts);Zlib.call(this,opts,binding.UNZIP)}function Zlib(opts,mode){this._opts=opts=opts||{};this._chunkSize=opts.chunkSize||exports.Z_DEFAULT_CHUNK;Transform.call(this,opts);if(opts.flush){if(opts.flush!==binding.Z_NO_FLUSH&&opts.flush!==binding.Z_PARTIAL_FLUSH&&opts.flush!==binding.Z_SYNC_FLUSH&&opts.flush!==binding.Z_FULL_FLUSH&&opts.flush!==binding.Z_FINISH&&opts.flush!==binding.Z_BLOCK){throw new Error("Invalid flush flag: "+opts.flush)}}this._flushFlag=opts.flush||binding.Z_NO_FLUSH;if(opts.chunkSize){if(opts.chunkSize<exports.Z_MIN_CHUNK||opts.chunkSize>exports.Z_MAX_CHUNK){throw new Error("Invalid chunk size: "+opts.chunkSize)}}if(opts.windowBits){if(opts.windowBits<exports.Z_MIN_WINDOWBITS||opts.windowBits>exports.Z_MAX_WINDOWBITS){throw new Error("Invalid windowBits: "+opts.windowBits)}}if(opts.level){if(opts.level<exports.Z_MIN_LEVEL||opts.level>exports.Z_MAX_LEVEL){throw new Error("Invalid compression level: "+opts.level)}}if(opts.memLevel){if(opts.memLevel<exports.Z_MIN_MEMLEVEL||opts.memLevel>exports.Z_MAX_MEMLEVEL){throw new Error("Invalid memLevel: "+opts.memLevel)}}if(opts.strategy){if(opts.strategy!=exports.Z_FILTERED&&opts.strategy!=exports.Z_HUFFMAN_ONLY&&opts.strategy!=exports.Z_RLE&&opts.strategy!=exports.Z_FIXED&&opts.strategy!=exports.Z_DEFAULT_STRATEGY){throw new Error("Invalid strategy: "+opts.strategy)}}if(opts.dictionary){if(!Buffer.isBuffer(opts.dictionary)){throw new Error("Invalid dictionary: it should be a Buffer instance")}}this._binding=new binding.Zlib(mode);var self=this;this._hadError=false;this._binding.onerror=function(message,errno){self._binding=null;self._hadError=true;var error=new Error(message);error.errno=errno;error.code=exports.codes[errno];self.emit("error",error)};var level=exports.Z_DEFAULT_COMPRESSION;if(typeof opts.level==="number")level=opts.level;var strategy=exports.Z_DEFAULT_STRATEGY;if(typeof opts.strategy==="number")strategy=opts.strategy;this._binding.init(opts.windowBits||exports.Z_DEFAULT_WINDOWBITS,level,opts.memLevel||exports.Z_DEFAULT_MEMLEVEL,strategy,opts.dictionary);this._buffer=new Buffer(this._chunkSize);this._offset=0;this._closed=false;this._level=level;this._strategy=strategy;this.once("end",this.close)}util.inherits(Zlib,Transform);Zlib.prototype.params=function(level,strategy,callback){if(level<exports.Z_MIN_LEVEL||level>exports.Z_MAX_LEVEL){throw new RangeError("Invalid compression level: "+level)}if(strategy!=exports.Z_FILTERED&&strategy!=exports.Z_HUFFMAN_ONLY&&strategy!=exports.Z_RLE&&strategy!=exports.Z_FIXED&&strategy!=exports.Z_DEFAULT_STRATEGY){throw new TypeError("Invalid strategy: "+strategy)}if(this._level!==level||this._strategy!==strategy){var self=this;this.flush(binding.Z_SYNC_FLUSH,function(){self._binding.params(level,strategy);if(!self._hadError){self._level=level;self._strategy=strategy;if(callback)callback()}})}else{process.nextTick(callback)}};Zlib.prototype.reset=function(){return this._binding.reset()};Zlib.prototype._flush=function(callback){this._transform(new Buffer(0),"",callback)};Zlib.prototype.flush=function(kind,callback){var ws=this._writableState;if(typeof kind==="function"||kind===void 0&&!callback){callback=kind;kind=binding.Z_FULL_FLUSH}if(ws.ended){if(callback)process.nextTick(callback)}else if(ws.ending){if(callback)this.once("end",callback)}else if(ws.needDrain){var self=this;this.once("drain",function(){self.flush(callback)})}else{this._flushFlag=kind;this.write(new Buffer(0),"",callback)}};Zlib.prototype.close=function(callback){if(callback)process.nextTick(callback);if(this._closed)return;this._closed=true;this._binding.close();var self=this;process.nextTick(function(){self.emit("close")})};Zlib.prototype._transform=function(chunk,encoding,cb){var flushFlag;var ws=this._writableState;var ending=ws.ending||ws.ended;var last=ending&&(!chunk||ws.length===chunk.length);if(!chunk===null&&!Buffer.isBuffer(chunk))return cb(new Error("invalid input"));if(last)flushFlag=binding.Z_FINISH;else{flushFlag=this._flushFlag;if(chunk.length>=ws.length){this._flushFlag=this._opts.flush||binding.Z_NO_FLUSH}}var self=this;this._processChunk(chunk,flushFlag,cb)};Zlib.prototype._processChunk=function(chunk,flushFlag,cb){var availInBefore=chunk&&chunk.length;var availOutBefore=this._chunkSize-this._offset;var inOff=0;var self=this;var async=typeof cb==="function";if(!async){var buffers=[];var nread=0;var error;this.on("error",function(er){error=er});do{var res=this._binding.writeSync(flushFlag,chunk,inOff,availInBefore,this._buffer,this._offset,availOutBefore)}while(!this._hadError&&callback(res[0],res[1]));if(this._hadError){throw error}var buf=Buffer.concat(buffers,nread);this.close();return buf}var req=this._binding.write(flushFlag,chunk,inOff,availInBefore,this._buffer,this._offset,availOutBefore);req.buffer=chunk;req.callback=callback;function callback(availInAfter,availOutAfter){if(self._hadError)return;var have=availOutBefore-availOutAfter;assert(have>=0,"have should not go down");if(have>0){var out=self._buffer.slice(self._offset,self._offset+have);self._offset+=have;if(async){self.push(out)}else{buffers.push(out);nread+=out.length}}if(availOutAfter===0||self._offset>=self._chunkSize){availOutBefore=self._chunkSize;self._offset=0;self._buffer=new Buffer(self._chunkSize)}if(availOutAfter===0){inOff+=availInBefore-availInAfter;availInBefore=availInAfter;if(!async)return true;var newReq=self._binding.write(flushFlag,chunk,inOff,availInBefore,self._buffer,self._offset,self._chunkSize);newReq.callback=callback;newReq.buffer=chunk;return}if(!async)return false;cb()}};util.inherits(Deflate,Zlib);util.inherits(Inflate,Zlib);util.inherits(Gzip,Zlib);util.inherits(Gunzip,Zlib);util.inherits(DeflateRaw,Zlib);util.inherits(InflateRaw,Zlib);util.inherits(Unzip,Zlib)}).call(this,require("_process"),require("buffer").Buffer)},{"./binding":14,_process:23,_stream_transform:38,assert:1,buffer:16,util:44}],16:[function(require,module,exports){(function(global){"use strict";var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("isarray");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.TYPED_ARRAY_SUPPORT=global.TYPED_ARRAY_SUPPORT!==undefined?global.TYPED_ARRAY_SUPPORT:typedArraySupport();exports.kMaxLength=kMaxLength();function typedArraySupport(){try{var arr=new Uint8Array(1);arr.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}};return arr.foo()===42&&typeof arr.subarray==="function"&&arr.subarray(1,1).byteLength===0}catch(e){return false}}function kMaxLength(){return Buffer.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function createBuffer(that,length){if(kMaxLength()<length){throw new RangeError("Invalid typed array length")}if(Buffer.TYPED_ARRAY_SUPPORT){that=new Uint8Array(length);that.__proto__=Buffer.prototype}else{if(that===null){that=new Buffer(length)}that.length=length}return that}function Buffer(arg,encodingOrOffset,length){if(!Buffer.TYPED_ARRAY_SUPPORT&&!(this instanceof Buffer)){return new Buffer(arg,encodingOrOffset,length)}if(typeof arg==="number"){if(typeof encodingOrOffset==="string"){throw new Error("If encoding is specified then the first argument must be a string")}return allocUnsafe(this,arg)}return from(this,arg,encodingOrOffset,length)}Buffer.poolSize=8192;Buffer._augment=function(arr){arr.__proto__=Buffer.prototype;return arr};function from(that,value,encodingOrOffset,length){if(typeof value==="number"){throw new TypeError('"value" argument must not be a number')}if(typeof ArrayBuffer!=="undefined"&&value instanceof ArrayBuffer){return fromArrayBuffer(that,value,encodingOrOffset,length)}if(typeof value==="string"){return fromString(that,value,encodingOrOffset)}return fromObject(that,value)}Buffer.from=function(value,encodingOrOffset,length){return from(null,value,encodingOrOffset,length)};if(Buffer.TYPED_ARRAY_SUPPORT){Buffer.prototype.__proto__=Uint8Array.prototype;Buffer.__proto__=Uint8Array;if(typeof Symbol!=="undefined"&&Symbol.species&&Buffer[Symbol.species]===Buffer){Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:true})}}function assertSize(size){if(typeof size!=="number"){throw new TypeError('"size" argument must be a number')}else if(size<0){throw new RangeError('"size" argument must not be negative')}}function alloc(that,size,fill,encoding){assertSize(size);if(size<=0){return createBuffer(that,size)}if(fill!==undefined){return typeof encoding==="string"?createBuffer(that,size).fill(fill,encoding):createBuffer(that,size).fill(fill)}return createBuffer(that,size)}Buffer.alloc=function(size,fill,encoding){return alloc(null,size,fill,encoding)};function allocUnsafe(that,size){assertSize(size);that=createBuffer(that,size<0?0:checked(size)|0);if(!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<size;++i){that[i]=0}}return that}Buffer.allocUnsafe=function(size){return allocUnsafe(null,size)};Buffer.allocUnsafeSlow=function(size){return allocUnsafe(null,size)};function fromString(that,string,encoding){if(typeof encoding!=="string"||encoding===""){encoding="utf8"}if(!Buffer.isEncoding(encoding)){throw new TypeError('"encoding" must be a valid string encoding')}var length=byteLength(string,encoding)|0;that=createBuffer(that,length);var actual=that.write(string,encoding);if(actual!==length){that=that.slice(0,actual)}return that}function fromArrayLike(that,array){var length=array.length<0?0:checked(array.length)|0;that=createBuffer(that,length);for(var i=0;i<length;i+=1){that[i]=array[i]&255}return that}function fromArrayBuffer(that,array,byteOffset,length){array.byteLength;if(byteOffset<0||array.byteLength<byteOffset){throw new RangeError("'offset' is out of bounds")}if(array.byteLength<byteOffset+(length||0)){throw new RangeError("'length' is out of bounds")}if(byteOffset===undefined&&length===undefined){array=new Uint8Array(array)}else if(length===undefined){array=new Uint8Array(array,byteOffset)}else{array=new Uint8Array(array,byteOffset,length)}if(Buffer.TYPED_ARRAY_SUPPORT){that=array;that.__proto__=Buffer.prototype}else{that=fromArrayLike(that,array)}return that}function fromObject(that,obj){if(Buffer.isBuffer(obj)){var len=checked(obj.length)|0;that=createBuffer(that,len);if(that.length===0){return that}obj.copy(that,0,0,len);return that}if(obj){if(typeof ArrayBuffer!=="undefined"&&obj.buffer instanceof ArrayBuffer||"length"in obj){if(typeof obj.length!=="number"||isnan(obj.length)){return createBuffer(that,0)}return fromArrayLike(that,obj)}if(obj.type==="Buffer"&&isArray(obj.data)){return fromArrayLike(that,obj.data)}}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}function checked(length){if(length>=kMaxLength()){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength().toString(16)+" bytes")}return length|0}function SlowBuffer(length){if(+length!=length){length=0}return Buffer.alloc(+length)}Buffer.isBuffer=function isBuffer(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function compare(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b)){throw new TypeError("Arguments must be Buffers")}if(a===b)return 0;var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len;++i){if(a[i]!==b[i]){x=a[i];y=b[i];break}}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function isEncoding(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function concat(list,length){if(!isArray(list)){throw new TypeError('"list" argument must be an Array of Buffers')}if(list.length===0){return Buffer.alloc(0)}var i;if(length===undefined){length=0;for(i=0;i<list.length;++i){length+=list[i].length}}var buffer=Buffer.allocUnsafe(length);var pos=0;for(i=0;i<list.length;++i){var buf=list[i];if(!Buffer.isBuffer(buf)){throw new TypeError('"list" argument must be an Array of Buffers')}buf.copy(buffer,pos);pos+=buf.length}return buffer};function byteLength(string,encoding){if(Buffer.isBuffer(string)){return string.length}if(typeof ArrayBuffer!=="undefined"&&typeof ArrayBuffer.isView==="function"&&(ArrayBuffer.isView(string)||string instanceof ArrayBuffer)){return string.byteLength}if(typeof string!=="string"){string=""+string}var len=string.length;if(len===0)return 0;var loweredCase=false;for(;;){switch(encoding){case"ascii":case"latin1":case"binary":return len;case"utf8":case"utf-8":case undefined:return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return len*2;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase)return utf8ToBytes(string).length;encoding=(""+encoding).toLowerCase();loweredCase=true}}}Buffer.byteLength=byteLength;function slowToString(encoding,start,end){var loweredCase=false;if(start===undefined||start<0){start=0}if(start>this.length){return""}if(end===undefined||end>this.length){end=this.length}if(end<=0){return""}end>>>=0;start>>>=0;if(end<=start){return""}if(!encoding)encoding="utf8";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"latin1":case"binary":return latin1Slice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}}Buffer.prototype._isBuffer=true;function swap(b,n,m){var i=b[n];b[n]=b[m];b[m]=i}Buffer.prototype.swap16=function swap16(){var len=this.length;if(len%2!==0){throw new RangeError("Buffer size must be a multiple of 16-bits")}for(var i=0;i<len;i+=2){swap(this,i,i+1)}return this};Buffer.prototype.swap32=function swap32(){var len=this.length;if(len%4!==0){throw new RangeError("Buffer size must be a multiple of 32-bits")}for(var i=0;i<len;i+=4){swap(this,i,i+3);swap(this,i+1,i+2)}return this};Buffer.prototype.swap64=function swap64(){var len=this.length;if(len%8!==0){throw new RangeError("Buffer size must be a multiple of 64-bits")}for(var i=0;i<len;i+=8){swap(this,i,i+7);swap(this,i+1,i+6);swap(this,i+2,i+5);swap(this,i+3,i+4)}return this};Buffer.prototype.toString=function toString(){var length=this.length|0;if(length===0)return"";if(arguments.length===0)return utf8Slice(this,0,length);return slowToString.apply(this,arguments)};Buffer.prototype.equals=function equals(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");if(this===b)return true;return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function inspect(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function compare(target,start,end,thisStart,thisEnd){if(!Buffer.isBuffer(target)){throw new TypeError("Argument must be a Buffer")}if(start===undefined){start=0}if(end===undefined){end=target?target.length:0}if(thisStart===undefined){thisStart=0}if(thisEnd===undefined){thisEnd=this.length}if(start<0||end>target.length||thisStart<0||thisEnd>this.length){throw new RangeError("out of range index")}if(thisStart>=thisEnd&&start>=end){return 0}if(thisStart>=thisEnd){return-1}if(start>=end){return 1}start>>>=0;end>>>=0;thisStart>>>=0;thisEnd>>>=0;if(this===target)return 0;var x=thisEnd-thisStart;var y=end-start;var len=Math.min(x,y);var thisCopy=this.slice(thisStart,thisEnd);var targetCopy=target.slice(start,end);for(var i=0;i<len;++i){if(thisCopy[i]!==targetCopy[i]){x=thisCopy[i];y=targetCopy[i];break}}if(x<y)return-1;if(y<x)return 1;return 0};function bidirectionalIndexOf(buffer,val,byteOffset,encoding,dir){if(buffer.length===0)return-1;if(typeof byteOffset==="string"){encoding=byteOffset;byteOffset=0}else if(byteOffset>2147483647){byteOffset=2147483647}else if(byteOffset<-2147483648){byteOffset=-2147483648}byteOffset=+byteOffset;if(isNaN(byteOffset)){byteOffset=dir?0:buffer.length-1}if(byteOffset<0)byteOffset=buffer.length+byteOffset;if(byteOffset>=buffer.length){if(dir)return-1;else byteOffset=buffer.length-1}else if(byteOffset<0){if(dir)byteOffset=0;else return-1}if(typeof val==="string"){val=Buffer.from(val,encoding)}if(Buffer.isBuffer(val)){if(val.length===0){return-1}return arrayIndexOf(buffer,val,byteOffset,encoding,dir)}else if(typeof val==="number"){val=val&255;if(Buffer.TYPED_ARRAY_SUPPORT&&typeof Uint8Array.prototype.indexOf==="function"){if(dir){return Uint8Array.prototype.indexOf.call(buffer,val,byteOffset)}else{return Uint8Array.prototype.lastIndexOf.call(buffer,val,byteOffset)}}return arrayIndexOf(buffer,[val],byteOffset,encoding,dir)}throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(arr,val,byteOffset,encoding,dir){var indexSize=1;var arrLength=arr.length;var valLength=val.length;if(encoding!==undefined){encoding=String(encoding).toLowerCase();if(encoding==="ucs2"||encoding==="ucs-2"||encoding==="utf16le"||encoding==="utf-16le"){if(arr.length<2||val.length<2){return-1}indexSize=2;arrLength/=2;valLength/=2;byteOffset/=2}}function read(buf,i){if(indexSize===1){return buf[i]}else{return buf.readUInt16BE(i*indexSize)}}var i;if(dir){var foundIndex=-1;for(i=byteOffset;i<arrLength;i++){if(read(arr,i)===read(val,foundIndex===-1?0:i-foundIndex)){if(foundIndex===-1)foundIndex=i;if(i-foundIndex+1===valLength)return foundIndex*indexSize}else{if(foundIndex!==-1)i-=i-foundIndex;foundIndex=-1}}}else{if(byteOffset+valLength>arrLength)byteOffset=arrLength-valLength;for(i=byteOffset;i>=0;i--){var found=true;for(var j=0;j<valLength;j++){if(read(arr,i+j)!==read(val,j)){found=false;break}}if(found)return i}}return-1}Buffer.prototype.includes=function includes(val,byteOffset,encoding){return this.indexOf(val,byteOffset,encoding)!==-1};Buffer.prototype.indexOf=function indexOf(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,true)};Buffer.prototype.lastIndexOf=function lastIndexOf(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,false)};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new TypeError("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;++i){var parsed=parseInt(string.substr(i*2,2),16);if(isNaN(parsed))return i;buf[offset+i]=parsed}return i}function utf8Write(buf,string,offset,length){return blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length)}function asciiWrite(buf,string,offset,length){return blitBuffer(asciiToBytes(string),buf,offset,length)}function latin1Write(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){return blitBuffer(base64ToBytes(string),buf,offset,length)}function ucs2Write(buf,string,offset,length){return blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length); | |
| }Buffer.prototype.write=function write(string,offset,length,encoding){if(offset===undefined){encoding="utf8";length=this.length;offset=0}else if(length===undefined&&typeof offset==="string"){encoding=offset;length=this.length;offset=0}else if(isFinite(offset)){offset=offset|0;if(isFinite(length)){length=length|0;if(encoding===undefined)encoding="utf8"}else{encoding=length;length=undefined}}else{throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported")}var remaining=this.length-offset;if(length===undefined||length>remaining)length=remaining;if(string.length>0&&(length<0||offset<0)||offset>this.length){throw new RangeError("Attempt to write outside buffer bounds")}if(!encoding)encoding="utf8";var loweredCase=false;for(;;){switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"latin1":case"binary":return latin1Write(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase();loweredCase=true}}};Buffer.prototype.toJSON=function toJSON(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);var res=[];var i=start;while(i<end){var firstByte=buf[i];var codePoint=null;var bytesPerSequence=firstByte>239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:if(firstByte<128){codePoint=firstByte}break;case 2:secondByte=buf[i+1];if((secondByte&192)===128){tempCodePoint=(firstByte&31)<<6|secondByte&63;if(tempCodePoint>127){codePoint=tempCodePoint}}break;case 3:secondByte=buf[i+1];thirdByte=buf[i+2];if((secondByte&192)===128&&(thirdByte&192)===128){tempCodePoint=(firstByte&15)<<12|(secondByte&63)<<6|thirdByte&63;if(tempCodePoint>2047&&(tempCodePoint<55296||tempCodePoint>57343)){codePoint=tempCodePoint}}break;case 4:secondByte=buf[i+1];thirdByte=buf[i+2];fourthByte=buf[i+3];if((secondByte&192)===128&&(thirdByte&192)===128&&(fourthByte&192)===128){tempCodePoint=(firstByte&15)<<18|(secondByte&63)<<12|(thirdByte&63)<<6|fourthByte&63;if(tempCodePoint>65535&&tempCodePoint<1114112){codePoint=tempCodePoint}}}}if(codePoint===null){codePoint=65533;bytesPerSequence=1}else if(codePoint>65535){codePoint-=65536;res.push(codePoint>>>10&1023|55296);codePoint=56320|codePoint&1023}res.push(codePoint);i+=bytesPerSequence}return decodeCodePointsArray(res)}var MAX_ARGUMENTS_LENGTH=4096;function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH){return String.fromCharCode.apply(String,codePoints)}var res="";var i=0;while(i<len){res+=String.fromCharCode.apply(String,codePoints.slice(i,i+=MAX_ARGUMENTS_LENGTH))}return res}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;++i){ret+=String.fromCharCode(buf[i]&127)}return ret}function latin1Slice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;++i){ret+=String.fromCharCode(buf[i])}return ret}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;++i){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function slice(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=this.subarray(start,end);newBuf.__proto__=Buffer.prototype}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined);for(var i=0;i<sliceLen;++i){newBuf[i]=this[i+start]}}return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function readUIntLE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}return val};Buffer.prototype.readUIntBE=function readUIntBE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert){checkOffset(offset,byteLength,this.length)}var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256)){val+=this[offset+--byteLength]*mul}return val};Buffer.prototype.readUInt8=function readUInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function readUInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function readIntLE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function readIntBE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256)){val+=this[offset+--i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function readInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function readInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function readInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function readInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function readInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function readFloatLE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError('"buffer" argument must be a Buffer instance');if(value>max||value<min)throw new RangeError('"value" argument is out of bounds');if(offset+ext>buf.length)throw new RangeError("Index out of range")}Buffer.prototype.writeUIntLE=function writeUIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUIntBE=function writeUIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUInt8=function writeUInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value&255;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;++i){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeUInt16BE=function writeUInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;++i){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&255}else{objectWriteUInt32(this,value,offset,true)}return offset+4};Buffer.prototype.writeUInt32BE=function writeUInt32BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}return offset+4};Buffer.prototype.writeIntLE=function writeIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0;var mul=1;var sub=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){if(value<0&&sub===0&&this[offset+i-1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeIntBE=function writeIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1;var mul=1;var sub=0;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){if(value<0&&sub===0&&this[offset+i+1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeInt8=function writeInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value&255;return offset+1};Buffer.prototype.writeInt16LE=function writeInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeInt16BE=function writeInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};Buffer.prototype.writeInt32LE=function writeInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else{objectWriteUInt32(this,value,offset,true)}return offset+4};Buffer.prototype.writeInt32BE=function writeInt32BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(offset<0)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert){checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38)}ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function writeFloatLE(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function writeFloatBE(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert){checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308)}ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function writeDoubleLE(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function writeDoubleBE(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function copy(target,targetStart,start,end){if(!start)start=0;if(!end&&end!==0)end=this.length;if(targetStart>=target.length)targetStart=target.length;if(!targetStart)targetStart=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||this.length===0)return 0;if(targetStart<0){throw new RangeError("targetStart out of bounds")}if(start<0||start>=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-targetStart<end-start){end=target.length-targetStart+start}var len=end-start;var i;if(this===target&&start<targetStart&&targetStart<end){for(i=len-1;i>=0;--i){target[i+targetStart]=this[i+start]}}else if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(i=0;i<len;++i){target[i+targetStart]=this[i+start]}}else{Uint8Array.prototype.set.call(target,this.subarray(start,start+len),targetStart)}return len};Buffer.prototype.fill=function fill(val,start,end,encoding){if(typeof val==="string"){if(typeof start==="string"){encoding=start;start=0;end=this.length}else if(typeof end==="string"){encoding=end;end=this.length}if(val.length===1){var code=val.charCodeAt(0);if(code<256){val=code}}if(encoding!==undefined&&typeof encoding!=="string"){throw new TypeError("encoding must be a string")}if(typeof encoding==="string"&&!Buffer.isEncoding(encoding)){throw new TypeError("Unknown encoding: "+encoding)}}else if(typeof val==="number"){val=val&255}if(start<0||this.length<start||this.length<end){throw new RangeError("Out of range index")}if(end<=start){return this}start=start>>>0;end=end===undefined?this.length:end>>>0;if(!val)val=0;var i;if(typeof val==="number"){for(i=start;i<end;++i){this[i]=val}}else{var bytes=Buffer.isBuffer(val)?val:utf8ToBytes(new Buffer(val,encoding).toString());var len=bytes.length;for(i=0;i<end-start;++i){this[i+start]=bytes[i%len]}}return this};var INVALID_BASE64_RE=/[^+\/0-9A-Za-z-_]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){units=units||Infinity;var codePoint;var length=string.length;var leadSurrogate=null;var bytes=[];for(var i=0;i<length;++i){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189)}leadSurrogate=null;if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<1114112){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;++i){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;++i){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i<length;++i){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function isnan(val){return val!==val}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"base64-js":17,ieee754:18,isarray:19}],17:[function(require,module,exports){"use strict";exports.byteLength=byteLength;exports.toByteArray=toByteArray;exports.fromByteArray=fromByteArray;var lookup=[];var revLookup=[];var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";for(var i=0,len=code.length;i<len;++i){lookup[i]=code[i];revLookup[code.charCodeAt(i)]=i}revLookup["-".charCodeAt(0)]=62;revLookup["_".charCodeAt(0)]=63;function placeHoldersCount(b64){var len=b64.length;if(len%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}return b64[len-2]==="="?2:b64[len-1]==="="?1:0}function byteLength(b64){return b64.length*3/4-placeHoldersCount(b64)}function toByteArray(b64){var i,j,l,tmp,placeHolders,arr;var len=b64.length;placeHolders=placeHoldersCount(b64);arr=new Arr(len*3/4-placeHolders);l=placeHolders>0?len-4:len;var L=0;for(i=0,j=0;i<l;i+=4,j+=3){tmp=revLookup[b64.charCodeAt(i)]<<18|revLookup[b64.charCodeAt(i+1)]<<12|revLookup[b64.charCodeAt(i+2)]<<6|revLookup[b64.charCodeAt(i+3)];arr[L++]=tmp>>16&255;arr[L++]=tmp>>8&255;arr[L++]=tmp&255}if(placeHolders===2){tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4;arr[L++]=tmp&255}else if(placeHolders===1){tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2;arr[L++]=tmp>>8&255;arr[L++]=tmp&255}return arr}function tripletToBase64(num){return lookup[num>>18&63]+lookup[num>>12&63]+lookup[num>>6&63]+lookup[num&63]}function encodeChunk(uint8,start,end){var tmp;var output=[];for(var i=start;i<end;i+=3){tmp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output.push(tripletToBase64(tmp))}return output.join("")}function fromByteArray(uint8){var tmp;var len=uint8.length;var extraBytes=len%3;var output="";var parts=[];var maxChunkLength=16383;for(var i=0,len2=len-extraBytes;i<len2;i+=maxChunkLength){parts.push(encodeChunk(uint8,i,i+maxChunkLength>len2?len2:i+maxChunkLength))}if(extraBytes===1){tmp=uint8[len-1];output+=lookup[tmp>>2];output+=lookup[tmp<<4&63];output+="=="}else if(extraBytes===2){tmp=(uint8[len-2]<<8)+uint8[len-1];output+=lookup[tmp>>10];output+=lookup[tmp>>4&63];output+=lookup[tmp<<2&63];output+="="}parts.push(output);return parts.join("")}},{}],18:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var nBits=-7;var i=isLE?nBytes-1:0;var d=isLE?-1:1;var s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8){}m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8){}if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0;var i=isLE?0:nBytes-1;var d=isLE?1:-1;var s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8){}e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8){}buffer[offset+i-d]|=s*128}},{}],19:[function(require,module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return toString.call(arr)=="[object Array]"}},{}],20:[function(require,module,exports){function EventEmitter(){this._events=this._events||{};this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;EventEmitter.defaultMaxListeners=10;EventEmitter.prototype.setMaxListeners=function(n){if(!isNumber(n)||n<0||isNaN(n))throw TypeError("n must be a positive number");this._maxListeners=n;return this};EventEmitter.prototype.emit=function(type){var er,handler,len,args,i,listeners;if(!this._events)this._events={};if(type==="error"){if(!this._events.error||isObject(this._events.error)&&!this._events.error.length){er=arguments[1];if(er instanceof Error){throw er}else{var err=new Error('Uncaught, unspecified "error" event. ('+er+")");err.context=er;throw err}}}handler=this._events[type];if(isUndefined(handler))return false;if(isFunction(handler)){switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:args=Array.prototype.slice.call(arguments,1);handler.apply(this,args)}}else if(isObject(handler)){args=Array.prototype.slice.call(arguments,1);listeners=handler.slice();len=listeners.length;for(i=0;i<len;i++)listeners[i].apply(this,args)}return true};EventEmitter.prototype.addListener=function(type,listener){var m;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events)this._events={};if(this._events.newListener)this.emit("newListener",type,isFunction(listener.listener)?listener.listener:listener);if(!this._events[type])this._events[type]=listener;else if(isObject(this._events[type]))this._events[type].push(listener);else this._events[type]=[this._events[type],listener];if(isObject(this._events[type])&&!this._events[type].warned){if(!isUndefined(this._maxListeners)){m=this._maxListeners}else{m=EventEmitter.defaultMaxListeners}if(m&&m>0&&this._events[type].length>m){this._events[type].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[type].length);if(typeof console.trace==="function"){console.trace()}}}return this};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.once=function(type,listener){if(!isFunction(listener))throw TypeError("listener must be a function");var fired=false;function g(){this.removeListener(type,g);if(!fired){fired=true;listener.apply(this,arguments)}}g.listener=listener;this.on(type,g);return this};EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;list=this._events[type];length=list.length;position=-1;if(list===listener||isFunction(list.listener)&&list.listener===listener){delete this._events[type];if(this._events.removeListener)this.emit("removeListener",type,listener)}else if(isObject(list)){for(i=length;i-- >0;){if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}}if(position<0)return this;if(list.length===1){list.length=0;delete this._events[type]}else{list.splice(position,1)}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else if(listeners){while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return this};EventEmitter.prototype.listeners=function(type){var ret;if(!this._events||!this._events[type])ret=[];else if(isFunction(this._events[type]))ret=[this._events[type]];else ret=this._events[type].slice();return ret};EventEmitter.prototype.listenerCount=function(type){if(this._events){var evlistener=this._events[type];if(isFunction(evlistener))return 1;else if(evlistener)return evlistener.length}return 0};EventEmitter.listenerCount=function(emitter,type){return emitter.listenerCount(type)};function isFunction(arg){return typeof arg==="function"}function isNumber(arg){return typeof arg==="number"}function isObject(arg){return typeof arg==="object"&&arg!==null}function isUndefined(arg){return arg===void 0}},{}],21:[function(require,module,exports){if(typeof Object.create==="function"){module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})}}else{module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype;ctor.prototype=new TempCtor;ctor.prototype.constructor=ctor}}},{}],22:[function(require,module,exports){module.exports=function(obj){return obj!=null&&(isBuffer(obj)||isSlowBuffer(obj)||!!obj._isBuffer)};function isBuffer(obj){return!!obj.constructor&&typeof obj.constructor.isBuffer==="function"&&obj.constructor.isBuffer(obj)}function isSlowBuffer(obj){return typeof obj.readFloatLE==="function"&&typeof obj.slice==="function"&&isBuffer(obj.slice(0,0))}},{}],23:[function(require,module,exports){var process=module.exports={};var cachedSetTimeout;var cachedClearTimeout;function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}(function(){try{if(typeof setTimeout==="function"){cachedSetTimeout=setTimeout}else{cachedSetTimeout=defaultSetTimout}}catch(e){cachedSetTimeout=defaultSetTimout}try{if(typeof clearTimeout==="function"){cachedClearTimeout=clearTimeout}else{cachedClearTimeout=defaultClearTimeout}}catch(e){cachedClearTimeout=defaultClearTimeout}})();function runTimeout(fun){if(cachedSetTimeout===setTimeout){return setTimeout(fun,0)}if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout){cachedSetTimeout=setTimeout;return setTimeout(fun,0)}try{return cachedSetTimeout(fun,0)}catch(e){try{return cachedSetTimeout.call(null,fun,0)}catch(e){return cachedSetTimeout.call(this,fun,0)}}}function runClearTimeout(marker){if(cachedClearTimeout===clearTimeout){return clearTimeout(marker)}if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout){cachedClearTimeout=clearTimeout;return clearTimeout(marker)}try{return cachedClearTimeout(marker)}catch(e){try{return cachedClearTimeout.call(null,marker)}catch(e){return cachedClearTimeout.call(this,marker)}}}var queue=[];var draining=false;var currentQueue;var queueIndex=-1;function cleanUpNextTick(){if(!draining||!currentQueue){return}draining=false;if(currentQueue.length){queue=currentQueue.concat(queue)}else{queueIndex=-1}if(queue.length){drainQueue()}}function drainQueue(){if(draining){return}var timeout=runTimeout(cleanUpNextTick);draining=true;var len=queue.length;while(len){currentQueue=queue;queue=[];while(++queueIndex<len){if(currentQueue){currentQueue[queueIndex].run()}}queueIndex=-1;len=queue.length}currentQueue=null;draining=false;runClearTimeout(timeout)}process.nextTick=function(fun){var args=new Array(arguments.length-1);if(arguments.length>1){for(var i=1;i<arguments.length;i++){args[i-1]=arguments[i]}}queue.push(new Item(fun,args));if(queue.length===1&&!draining){runTimeout(drainQueue)}};function Item(fun,array){this.fun=fun;this.array=array}Item.prototype.run=function(){this.fun.apply(null,this.array)};process.title="browser";process.browser=true;process.env={};process.argv=[];process.version="";process.versions={};function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")};process.umask=function(){return 0}},{}],24:[function(require,module,exports){module.exports=require("./lib/_stream_duplex.js")},{"./lib/_stream_duplex.js":25}],25:[function(require,module,exports){"use strict";var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj){keys.push(key)}return keys};module.exports=Duplex;var processNextTick=require("process-nextick-args");var util=require("core-util-is");util.inherits=require("inherits");var Readable=require("./_stream_readable");var Writable=require("./_stream_writable");util.inherits(Duplex,Readable);var keys=objectKeys(Writable.prototype);for(var v=0;v<keys.length;v++){var method=keys[v];if(!Duplex.prototype[method])Duplex.prototype[method]=Writable.prototype[method]}function Duplex(options){ | |
| if(!(this instanceof Duplex))return new Duplex(options);Readable.call(this,options);Writable.call(this,options);if(options&&options.readable===false)this.readable=false;if(options&&options.writable===false)this.writable=false;this.allowHalfOpen=true;if(options&&options.allowHalfOpen===false)this.allowHalfOpen=false;this.once("end",onend)}function onend(){if(this.allowHalfOpen||this._writableState.ended)return;processNextTick(onEndNT,this)}function onEndNT(self){self.end()}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}},{"./_stream_readable":27,"./_stream_writable":29,"core-util-is":32,inherits:21,"process-nextick-args":34}],26:[function(require,module,exports){"use strict";module.exports=PassThrough;var Transform=require("./_stream_transform");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(PassThrough,Transform);function PassThrough(options){if(!(this instanceof PassThrough))return new PassThrough(options);Transform.call(this,options)}PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":28,"core-util-is":32,inherits:21}],27:[function(require,module,exports){(function(process){"use strict";module.exports=Readable;var processNextTick=require("process-nextick-args");var isArray=require("isarray");var Duplex;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter;var EElistenerCount=function(emitter,type){return emitter.listeners(type).length};var Stream;(function(){try{Stream=require("st"+"ream")}catch(_){}finally{if(!Stream)Stream=require("events").EventEmitter}})();var Buffer=require("buffer").Buffer;var bufferShim=require("buffer-shims");var util=require("core-util-is");util.inherits=require("inherits");var debugUtil=require("util");var debug=void 0;if(debugUtil&&debugUtil.debuglog){debug=debugUtil.debuglog("stream")}else{debug=function(){}}var BufferList=require("./internal/streams/BufferList");var StringDecoder;util.inherits(Readable,Stream);function prependListener(emitter,event,fn){if(typeof emitter.prependListener==="function"){return emitter.prependListener(event,fn)}else{if(!emitter._events||!emitter._events[event])emitter.on(event,fn);else if(isArray(emitter._events[event]))emitter._events[event].unshift(fn);else emitter._events[event]=[fn,emitter._events[event]]}}function ReadableState(options,stream){Duplex=Duplex||require("./_stream_duplex");options=options||{};this.objectMode=!!options.objectMode;if(stream instanceof Duplex)this.objectMode=this.objectMode||!!options.readableObjectMode;var hwm=options.highWaterMark;var defaultHwm=this.objectMode?16:16*1024;this.highWaterMark=hwm||hwm===0?hwm:defaultHwm;this.highWaterMark=~~this.highWaterMark;this.buffer=new BufferList;this.length=0;this.pipes=null;this.pipesCount=0;this.flowing=null;this.ended=false;this.endEmitted=false;this.reading=false;this.sync=true;this.needReadable=false;this.emittedReadable=false;this.readableListening=false;this.resumeScheduled=false;this.defaultEncoding=options.defaultEncoding||"utf8";this.ranOut=false;this.awaitDrain=0;this.readingMore=false;this.decoder=null;this.encoding=null;if(options.encoding){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this.decoder=new StringDecoder(options.encoding);this.encoding=options.encoding}}function Readable(options){Duplex=Duplex||require("./_stream_duplex");if(!(this instanceof Readable))return new Readable(options);this._readableState=new ReadableState(options,this);this.readable=true;if(options&&typeof options.read==="function")this._read=options.read;Stream.call(this)}Readable.prototype.push=function(chunk,encoding){var state=this._readableState;if(!state.objectMode&&typeof chunk==="string"){encoding=encoding||state.defaultEncoding;if(encoding!==state.encoding){chunk=bufferShim.from(chunk,encoding);encoding=""}}return readableAddChunk(this,state,chunk,encoding,false)};Readable.prototype.unshift=function(chunk){var state=this._readableState;return readableAddChunk(this,state,chunk,"",true)};Readable.prototype.isPaused=function(){return this._readableState.flowing===false};function readableAddChunk(stream,state,chunk,encoding,addToFront){var er=chunkInvalid(state,chunk);if(er){stream.emit("error",er)}else if(chunk===null){state.reading=false;onEofChunk(stream,state)}else if(state.objectMode||chunk&&chunk.length>0){if(state.ended&&!addToFront){var e=new Error("stream.push() after EOF");stream.emit("error",e)}else if(state.endEmitted&&addToFront){var _e=new Error("stream.unshift() after end event");stream.emit("error",_e)}else{var skipAdd;if(state.decoder&&!addToFront&&!encoding){chunk=state.decoder.write(chunk);skipAdd=!state.objectMode&&chunk.length===0}if(!addToFront)state.reading=false;if(!skipAdd){if(state.flowing&&state.length===0&&!state.sync){stream.emit("data",chunk);stream.read(0)}else{state.length+=state.objectMode?1:chunk.length;if(addToFront)state.buffer.unshift(chunk);else state.buffer.push(chunk);if(state.needReadable)emitReadable(stream)}}maybeReadMore(stream,state)}}else if(!addToFront){state.reading=false}return needMoreData(state)}function needMoreData(state){return!state.ended&&(state.needReadable||state.length<state.highWaterMark||state.length===0)}Readable.prototype.setEncoding=function(enc){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this._readableState.decoder=new StringDecoder(enc);this._readableState.encoding=enc;return this};var MAX_HWM=8388608;function computeNewHighWaterMark(n){if(n>=MAX_HWM){n=MAX_HWM}else{n--;n|=n>>>1;n|=n>>>2;n|=n>>>4;n|=n>>>8;n|=n>>>16;n++}return n}function howMuchToRead(n,state){if(n<=0||state.length===0&&state.ended)return 0;if(state.objectMode)return 1;if(n!==n){if(state.flowing&&state.length)return state.buffer.head.data.length;else return state.length}if(n>state.highWaterMark)state.highWaterMark=computeNewHighWaterMark(n);if(n<=state.length)return n;if(!state.ended){state.needReadable=true;return 0}return state.length}Readable.prototype.read=function(n){debug("read",n);n=parseInt(n,10);var state=this._readableState;var nOrig=n;if(n!==0)state.emittedReadable=false;if(n===0&&state.needReadable&&(state.length>=state.highWaterMark||state.ended)){debug("read: emitReadable",state.length,state.ended);if(state.length===0&&state.ended)endReadable(this);else emitReadable(this);return null}n=howMuchToRead(n,state);if(n===0&&state.ended){if(state.length===0)endReadable(this);return null}var doRead=state.needReadable;debug("need readable",doRead);if(state.length===0||state.length-n<state.highWaterMark){doRead=true;debug("length less than watermark",doRead)}if(state.ended||state.reading){doRead=false;debug("reading or ended",doRead)}else if(doRead){debug("do read");state.reading=true;state.sync=true;if(state.length===0)state.needReadable=true;this._read(state.highWaterMark);state.sync=false;if(!state.reading)n=howMuchToRead(nOrig,state)}var ret;if(n>0)ret=fromList(n,state);else ret=null;if(ret===null){state.needReadable=true;n=0}else{state.length-=n}if(state.length===0){if(!state.ended)state.needReadable=true;if(nOrig!==n&&state.ended)endReadable(this)}if(ret!==null)this.emit("data",ret);return ret};function chunkInvalid(state,chunk){var er=null;if(!Buffer.isBuffer(chunk)&&typeof chunk!=="string"&&chunk!==null&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}return er}function onEofChunk(stream,state){if(state.ended)return;if(state.decoder){var chunk=state.decoder.end();if(chunk&&chunk.length){state.buffer.push(chunk);state.length+=state.objectMode?1:chunk.length}}state.ended=true;emitReadable(stream)}function emitReadable(stream){var state=stream._readableState;state.needReadable=false;if(!state.emittedReadable){debug("emitReadable",state.flowing);state.emittedReadable=true;if(state.sync)processNextTick(emitReadable_,stream);else emitReadable_(stream)}}function emitReadable_(stream){debug("emit readable");stream.emit("readable");flow(stream)}function maybeReadMore(stream,state){if(!state.readingMore){state.readingMore=true;processNextTick(maybeReadMore_,stream,state)}}function maybeReadMore_(stream,state){var len=state.length;while(!state.reading&&!state.flowing&&!state.ended&&state.length<state.highWaterMark){debug("maybeReadMore read 0");stream.read(0);if(len===state.length)break;else len=state.length}state.readingMore=false}Readable.prototype._read=function(n){this.emit("error",new Error("_read() is not implemented"))};Readable.prototype.pipe=function(dest,pipeOpts){var src=this;var state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);break}state.pipesCount+=1;debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var doEnd=(!pipeOpts||pipeOpts.end!==false)&&dest!==process.stdout&&dest!==process.stderr;var endFn=doEnd?onend:cleanup;if(state.endEmitted)processNextTick(endFn);else src.once("end",endFn);dest.on("unpipe",onunpipe);function onunpipe(readable){debug("onunpipe");if(readable===src){cleanup()}}function onend(){debug("onend");dest.end()}var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);var cleanedUp=false;function cleanup(){debug("cleanup");dest.removeListener("close",onclose);dest.removeListener("finish",onfinish);dest.removeListener("drain",ondrain);dest.removeListener("error",onerror);dest.removeListener("unpipe",onunpipe);src.removeListener("end",onend);src.removeListener("end",cleanup);src.removeListener("data",ondata);cleanedUp=true;if(state.awaitDrain&&(!dest._writableState||dest._writableState.needDrain))ondrain()}var increasedAwaitDrain=false;src.on("data",ondata);function ondata(chunk){debug("ondata");increasedAwaitDrain=false;var ret=dest.write(chunk);if(false===ret&&!increasedAwaitDrain){if((state.pipesCount===1&&state.pipes===dest||state.pipesCount>1&&indexOf(state.pipes,dest)!==-1)&&!cleanedUp){debug("false write response, pause",src._readableState.awaitDrain);src._readableState.awaitDrain++;increasedAwaitDrain=true}src.pause()}}function onerror(er){debug("onerror",er);unpipe();dest.removeListener("error",onerror);if(EElistenerCount(dest,"error")===0)dest.emit("error",er)}prependListener(dest,"error",onerror);function onclose(){dest.removeListener("finish",onfinish);unpipe()}dest.once("close",onclose);function onfinish(){debug("onfinish");dest.removeListener("close",onclose);unpipe()}dest.once("finish",onfinish);function unpipe(){debug("unpipe");src.unpipe(dest)}dest.emit("pipe",src);if(!state.flowing){debug("pipe resume");src.resume()}return dest};function pipeOnDrain(src){return function(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain);if(state.awaitDrain)state.awaitDrain--;if(state.awaitDrain===0&&EElistenerCount(src,"data")){state.flowing=true;flow(src)}}}Readable.prototype.unpipe=function(dest){var state=this._readableState;if(state.pipesCount===0)return this;if(state.pipesCount===1){if(dest&&dest!==state.pipes)return this;if(!dest)dest=state.pipes;state.pipes=null;state.pipesCount=0;state.flowing=false;if(dest)dest.emit("unpipe",this);return this}if(!dest){var dests=state.pipes;var len=state.pipesCount;state.pipes=null;state.pipesCount=0;state.flowing=false;for(var i=0;i<len;i++){dests[i].emit("unpipe",this)}return this}var index=indexOf(state.pipes,dest);if(index===-1)return this;state.pipes.splice(index,1);state.pipesCount-=1;if(state.pipesCount===1)state.pipes=state.pipes[0];dest.emit("unpipe",this);return this};Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn);if(ev==="data"){if(this._readableState.flowing!==false)this.resume()}else if(ev==="readable"){var state=this._readableState;if(!state.endEmitted&&!state.readableListening){state.readableListening=state.needReadable=true;state.emittedReadable=false;if(!state.reading){processNextTick(nReadingNextTick,this)}else if(state.length){emitReadable(this,state)}}}return res};Readable.prototype.addListener=Readable.prototype.on;function nReadingNextTick(self){debug("readable nexttick read 0");self.read(0)}Readable.prototype.resume=function(){var state=this._readableState;if(!state.flowing){debug("resume");state.flowing=true;resume(this,state)}return this};function resume(stream,state){if(!state.resumeScheduled){state.resumeScheduled=true;processNextTick(resume_,stream,state)}}function resume_(stream,state){if(!state.reading){debug("resume read 0");stream.read(0)}state.resumeScheduled=false;state.awaitDrain=0;stream.emit("resume");flow(stream);if(state.flowing&&!state.reading)stream.read(0)}Readable.prototype.pause=function(){debug("call pause flowing=%j",this._readableState.flowing);if(false!==this._readableState.flowing){debug("pause");this._readableState.flowing=false;this.emit("pause")}return this};function flow(stream){var state=stream._readableState;debug("flow",state.flowing);while(state.flowing&&stream.read()!==null){}}Readable.prototype.wrap=function(stream){var state=this._readableState;var paused=false;var self=this;stream.on("end",function(){debug("wrapped end");if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length)self.push(chunk)}self.push(null)});stream.on("data",function(chunk){debug("wrapped data");if(state.decoder)chunk=state.decoder.write(chunk);if(state.objectMode&&(chunk===null||chunk===undefined))return;else if(!state.objectMode&&(!chunk||!chunk.length))return;var ret=self.push(chunk);if(!ret){paused=true;stream.pause()}});for(var i in stream){if(this[i]===undefined&&typeof stream[i]==="function"){this[i]=function(method){return function(){return stream[method].apply(stream,arguments)}}(i)}}var events=["error","close","destroy","pause","resume"];forEach(events,function(ev){stream.on(ev,self.emit.bind(self,ev))});self._read=function(n){debug("wrapped _read",n);if(paused){paused=false;stream.resume()}};return self};Readable._fromList=fromList;function fromList(n,state){if(state.length===0)return null;var ret;if(state.objectMode)ret=state.buffer.shift();else if(!n||n>=state.length){if(state.decoder)ret=state.buffer.join("");else if(state.buffer.length===1)ret=state.buffer.head.data;else ret=state.buffer.concat(state.length);state.buffer.clear()}else{ret=fromListPartial(n,state.buffer,state.decoder)}return ret}function fromListPartial(n,list,hasStrings){var ret;if(n<list.head.data.length){ret=list.head.data.slice(0,n);list.head.data=list.head.data.slice(n)}else if(n===list.head.data.length){ret=list.shift()}else{ret=hasStrings?copyFromBufferString(n,list):copyFromBuffer(n,list)}return ret}function copyFromBufferString(n,list){var p=list.head;var c=1;var ret=p.data;n-=ret.length;while(p=p.next){var str=p.data;var nb=n>str.length?str.length:n;if(nb===str.length)ret+=str;else ret+=str.slice(0,n);n-=nb;if(n===0){if(nb===str.length){++c;if(p.next)list.head=p.next;else list.head=list.tail=null}else{list.head=p;p.data=str.slice(nb)}break}++c}list.length-=c;return ret}function copyFromBuffer(n,list){var ret=bufferShim.allocUnsafe(n);var p=list.head;var c=1;p.data.copy(ret);n-=p.data.length;while(p=p.next){var buf=p.data;var nb=n>buf.length?buf.length:n;buf.copy(ret,ret.length-n,0,nb);n-=nb;if(n===0){if(nb===buf.length){++c;if(p.next)list.head=p.next;else list.head=list.tail=null}else{list.head=p;p.data=buf.slice(nb)}break}++c}list.length-=c;return ret}function endReadable(stream){var state=stream._readableState;if(state.length>0)throw new Error('"endReadable()" called on non-empty stream');if(!state.endEmitted){state.ended=true;processNextTick(endReadableNT,state,stream)}}function endReadableNT(state,stream){if(!state.endEmitted&&state.length===0){state.endEmitted=true;stream.readable=false;stream.emit("end")}}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++){if(xs[i]===x)return i}return-1}}).call(this,require("_process"))},{"./_stream_duplex":25,"./internal/streams/BufferList":30,_process:23,buffer:16,"buffer-shims":31,"core-util-is":32,events:20,inherits:21,isarray:33,"process-nextick-args":34,"string_decoder/":41,util:2}],28:[function(require,module,exports){"use strict";module.exports=Transform;var Duplex=require("./_stream_duplex");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(Transform,Duplex);function TransformState(stream){this.afterTransform=function(er,data){return afterTransform(stream,er,data)};this.needTransform=false;this.transforming=false;this.writecb=null;this.writechunk=null;this.writeencoding=null}function afterTransform(stream,er,data){var ts=stream._transformState;ts.transforming=false;var cb=ts.writecb;if(!cb)return stream.emit("error",new Error("no writecb in Transform class"));ts.writechunk=null;ts.writecb=null;if(data!==null&&data!==undefined)stream.push(data);cb(er);var rs=stream._readableState;rs.reading=false;if(rs.needReadable||rs.length<rs.highWaterMark){stream._read(rs.highWaterMark)}}function Transform(options){if(!(this instanceof Transform))return new Transform(options);Duplex.call(this,options);this._transformState=new TransformState(this);var stream=this;this._readableState.needReadable=true;this._readableState.sync=false;if(options){if(typeof options.transform==="function")this._transform=options.transform;if(typeof options.flush==="function")this._flush=options.flush}this.once("prefinish",function(){if(typeof this._flush==="function")this._flush(function(er,data){done(stream,er,data)});else done(stream)})}Transform.prototype.push=function(chunk,encoding){this._transformState.needTransform=false;return Duplex.prototype.push.call(this,chunk,encoding)};Transform.prototype._transform=function(chunk,encoding,cb){throw new Error("_transform() is not implemented")};Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;ts.writecb=cb;ts.writechunk=chunk;ts.writeencoding=encoding;if(!ts.transforming){var rs=this._readableState;if(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)this._read(rs.highWaterMark)}};Transform.prototype._read=function(n){var ts=this._transformState;if(ts.writechunk!==null&&ts.writecb&&!ts.transforming){ts.transforming=true;this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform)}else{ts.needTransform=true}};function done(stream,er,data){if(er)return stream.emit("error",er);if(data!==null&&data!==undefined)stream.push(data);var ws=stream._writableState;var ts=stream._transformState;if(ws.length)throw new Error("Calling transform done when ws.length != 0");if(ts.transforming)throw new Error("Calling transform done when still transforming");return stream.push(null)}},{"./_stream_duplex":25,"core-util-is":32,inherits:21}],29:[function(require,module,exports){(function(process){"use strict";module.exports=Writable;var processNextTick=require("process-nextick-args");var asyncWrite=!process.browser&&["v0.10","v0.9."].indexOf(process.version.slice(0,5))>-1?setImmediate:processNextTick;var Duplex;Writable.WritableState=WritableState;var util=require("core-util-is");util.inherits=require("inherits");var internalUtil={deprecate:require("util-deprecate")};var Stream;(function(){try{Stream=require("st"+"ream")}catch(_){}finally{if(!Stream)Stream=require("events").EventEmitter}})();var Buffer=require("buffer").Buffer;var bufferShim=require("buffer-shims");util.inherits(Writable,Stream);function nop(){}function WriteReq(chunk,encoding,cb){this.chunk=chunk;this.encoding=encoding;this.callback=cb;this.next=null}function WritableState(options,stream){Duplex=Duplex||require("./_stream_duplex");options=options||{};this.objectMode=!!options.objectMode;if(stream instanceof Duplex)this.objectMode=this.objectMode||!!options.writableObjectMode;var hwm=options.highWaterMark;var defaultHwm=this.objectMode?16:16*1024;this.highWaterMark=hwm||hwm===0?hwm:defaultHwm;this.highWaterMark=~~this.highWaterMark;this.needDrain=false;this.ending=false;this.ended=false;this.finished=false;var noDecode=options.decodeStrings===false;this.decodeStrings=!noDecode;this.defaultEncoding=options.defaultEncoding||"utf8";this.length=0;this.writing=false;this.corked=0;this.sync=true;this.bufferProcessing=false;this.onwrite=function(er){onwrite(stream,er)};this.writecb=null;this.writelen=0;this.bufferedRequest=null;this.lastBufferedRequest=null;this.pendingcb=0;this.prefinished=false;this.errorEmitted=false;this.bufferedRequestCount=0;this.corkedRequestsFree=new CorkedRequest(this)}WritableState.prototype.getBuffer=function getBuffer(){var current=this.bufferedRequest;var out=[];while(current){out.push(current);current=current.next}return out};(function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer "+"instead.")})}catch(_){}})();var realHasInstance;if(typeof Symbol==="function"&&Symbol.hasInstance&&typeof Function.prototype[Symbol.hasInstance]==="function"){realHasInstance=Function.prototype[Symbol.hasInstance];Object.defineProperty(Writable,Symbol.hasInstance,{value:function(object){if(realHasInstance.call(this,object))return true;return object&&object._writableState instanceof WritableState}})}else{realHasInstance=function(object){return object instanceof this}}function Writable(options){Duplex=Duplex||require("./_stream_duplex");if(!realHasInstance.call(Writable,this)&&!(this instanceof Duplex)){return new Writable(options)}this._writableState=new WritableState(options,this);this.writable=true;if(options){if(typeof options.write==="function")this._write=options.write;if(typeof options.writev==="function")this._writev=options.writev}Stream.call(this)}Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe, not readable"))};function writeAfterEnd(stream,cb){var er=new Error("write after end");stream.emit("error",er);processNextTick(cb,er)}function validChunk(stream,state,chunk,cb){var valid=true;var er=false;if(chunk===null){er=new TypeError("May not write null values to stream")}else if(!Buffer.isBuffer(chunk)&&typeof chunk!=="string"&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}if(er){stream.emit("error",er);processNextTick(cb,er);valid=false}return valid}Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState;var ret=false;if(typeof encoding==="function"){cb=encoding;encoding=null}if(Buffer.isBuffer(chunk))encoding="buffer";else if(!encoding)encoding=state.defaultEncoding;if(typeof cb!=="function")cb=nop;if(state.ended)writeAfterEnd(this,cb);else if(validChunk(this,state,chunk,cb)){state.pendingcb++;ret=writeOrBuffer(this,state,chunk,encoding,cb)}return ret};Writable.prototype.cork=function(){var state=this._writableState;state.corked++};Writable.prototype.uncork=function(){var state=this._writableState;if(state.corked){state.corked--;if(!state.writing&&!state.corked&&!state.finished&&!state.bufferProcessing&&state.bufferedRequest)clearBuffer(this,state)}};Writable.prototype.setDefaultEncoding=function setDefaultEncoding(encoding){if(typeof encoding==="string")encoding=encoding.toLowerCase();if(!(["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())>-1))throw new TypeError("Unknown encoding: "+encoding);this._writableState.defaultEncoding=encoding;return this};function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&typeof chunk==="string"){chunk=bufferShim.from(chunk,encoding)}return chunk}function writeOrBuffer(stream,state,chunk,encoding,cb){chunk=decodeChunk(state,chunk,encoding);if(Buffer.isBuffer(chunk))encoding="buffer";var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(!ret)state.needDrain=true;if(state.writing||state.corked){var last=state.lastBufferedRequest;state.lastBufferedRequest=new WriteReq(chunk,encoding,cb);if(last){last.next=state.lastBufferedRequest}else{state.bufferedRequest=state.lastBufferedRequest}state.bufferedRequestCount+=1}else{doWrite(stream,state,false,len,chunk,encoding,cb)}return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len;state.writecb=cb;state.writing=true;state.sync=true;if(writev)stream._writev(chunk,state.onwrite);else stream._write(chunk,encoding,state.onwrite);state.sync=false}function onwriteError(stream,state,sync,er,cb){--state.pendingcb;if(sync)processNextTick(cb,er);else cb(er);stream._writableState.errorEmitted=true;stream.emit("error",er)}function onwriteStateUpdate(state){state.writing=false;state.writecb=null;state.length-=state.writelen;state.writelen=0}function onwrite(stream,er){var state=stream._writableState;var sync=state.sync;var cb=state.writecb;onwriteStateUpdate(state);if(er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(state);if(!finished&&!state.corked&&!state.bufferProcessing&&state.bufferedRequest){clearBuffer(stream,state)}if(sync){asyncWrite(afterWrite,stream,state,finished,cb)}else{afterWrite(stream,state,finished,cb)}}}function afterWrite(stream,state,finished,cb){if(!finished)onwriteDrain(stream,state);state.pendingcb--;cb();finishMaybe(stream,state)}function onwriteDrain(stream,state){if(state.length===0&&state.needDrain){state.needDrain=false;stream.emit("drain")}}function clearBuffer(stream,state){state.bufferProcessing=true;var entry=state.bufferedRequest;if(stream._writev&&entry&&entry.next){var l=state.bufferedRequestCount;var buffer=new Array(l);var holder=state.corkedRequestsFree;holder.entry=entry;var count=0;while(entry){buffer[count]=entry;entry=entry.next;count+=1}doWrite(stream,state,true,state.length,buffer,"",holder.finish);state.pendingcb++;state.lastBufferedRequest=null;if(holder.next){state.corkedRequestsFree=holder.next;holder.next=null}else{state.corkedRequestsFree=new CorkedRequest(state)}}else{while(entry){var chunk=entry.chunk;var encoding=entry.encoding;var cb=entry.callback;var len=state.objectMode?1:chunk.length;doWrite(stream,state,false,len,chunk,encoding,cb);entry=entry.next;if(state.writing){break}}if(entry===null)state.lastBufferedRequest=null}state.bufferedRequestCount=0;state.bufferedRequest=entry;state.bufferProcessing=false}Writable.prototype._write=function(chunk,encoding,cb){cb(new Error("_write() is not implemented"))};Writable.prototype._writev=null;Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;if(typeof chunk==="function"){cb=chunk;chunk=null;encoding=null}else if(typeof encoding==="function"){cb=encoding;encoding=null}if(chunk!==null&&chunk!==undefined)this.write(chunk,encoding);if(state.corked){state.corked=1;this.uncork()}if(!state.ending&&!state.finished)endWritable(this,state,cb)};function needFinish(state){return state.ending&&state.length===0&&state.bufferedRequest===null&&!state.finished&&!state.writing}function prefinish(stream,state){if(!state.prefinished){state.prefinished=true;stream.emit("prefinish")}}function finishMaybe(stream,state){var need=needFinish(state);if(need){if(state.pendingcb===0){prefinish(stream,state);state.finished=true;stream.emit("finish")}else{prefinish(stream,state)}}return need}function endWritable(stream,state,cb){state.ending=true;finishMaybe(stream,state);if(cb){if(state.finished)processNextTick(cb);else stream.once("finish",cb)}state.ended=true;stream.writable=false}function CorkedRequest(state){var _this=this;this.next=null;this.entry=null;this.finish=function(err){var entry=_this.entry;_this.entry=null;while(entry){var cb=entry.callback;state.pendingcb--;cb(err);entry=entry.next}if(state.corkedRequestsFree){state.corkedRequestsFree.next=_this}else{state.corkedRequestsFree=_this}}}}).call(this,require("_process"))},{"./_stream_duplex":25,_process:23,buffer:16,"buffer-shims":31,"core-util-is":32,events:20,inherits:21,"process-nextick-args":34,"util-deprecate":35}],30:[function(require,module,exports){"use strict";var Buffer=require("buffer").Buffer;var bufferShim=require("buffer-shims");module.exports=BufferList;function BufferList(){this.head=null;this.tail=null;this.length=0}BufferList.prototype.push=function(v){var entry={data:v,next:null};if(this.length>0)this.tail.next=entry;else this.head=entry;this.tail=entry;++this.length};BufferList.prototype.unshift=function(v){var entry={data:v,next:this.head};if(this.length===0)this.tail=entry;this.head=entry;++this.length};BufferList.prototype.shift=function(){if(this.length===0)return;var ret=this.head.data;if(this.length===1)this.head=this.tail=null;else this.head=this.head.next;--this.length;return ret};BufferList.prototype.clear=function(){this.head=this.tail=null;this.length=0};BufferList.prototype.join=function(s){if(this.length===0)return"";var p=this.head;var ret=""+p.data;while(p=p.next){ret+=s+p.data}return ret};BufferList.prototype.concat=function(n){if(this.length===0)return bufferShim.alloc(0);if(this.length===1)return this.head.data;var ret=bufferShim.allocUnsafe(n>>>0);var p=this.head;var i=0;while(p){p.data.copy(ret,i);i+=p.data.length;p=p.next}return ret}},{buffer:16,"buffer-shims":31}],31:[function(require,module,exports){(function(global){"use strict";var buffer=require("buffer");var Buffer=buffer.Buffer;var SlowBuffer=buffer.SlowBuffer;var MAX_LEN=buffer.kMaxLength||2147483647;exports.alloc=function alloc(size,fill,encoding){if(typeof Buffer.alloc==="function"){return Buffer.alloc(size,fill,encoding)}if(typeof encoding==="number"){throw new TypeError("encoding must not be number")}if(typeof size!=="number"){throw new TypeError("size must be a number")}if(size>MAX_LEN){throw new RangeError("size is too large")}var enc=encoding;var _fill=fill;if(_fill===undefined){enc=undefined;_fill=0}var buf=new Buffer(size);if(typeof _fill==="string"){var fillBuf=new Buffer(_fill,enc);var flen=fillBuf.length;var i=-1;while(++i<size){buf[i]=fillBuf[i%flen]}}else{buf.fill(_fill)}return buf};exports.allocUnsafe=function allocUnsafe(size){if(typeof Buffer.allocUnsafe==="function"){return Buffer.allocUnsafe(size)}if(typeof size!=="number"){throw new TypeError("size must be a number")}if(size>MAX_LEN){throw new RangeError("size is too large")}return new Buffer(size)};exports.from=function from(value,encodingOrOffset,length){if(typeof Buffer.from==="function"&&(!global.Uint8Array||Uint8Array.from!==Buffer.from)){return Buffer.from(value,encodingOrOffset,length)}if(typeof value==="number"){throw new TypeError('"value" argument must not be a number')}if(typeof value==="string"){return new Buffer(value,encodingOrOffset)}if(typeof ArrayBuffer!=="undefined"&&value instanceof ArrayBuffer){var offset=encodingOrOffset;if(arguments.length===1){return new Buffer(value)}if(typeof offset==="undefined"){offset=0}var len=length;if(typeof len==="undefined"){len=value.byteLength-offset}if(offset>=value.byteLength){throw new RangeError("'offset' is out of bounds")}if(len>value.byteLength-offset){throw new RangeError("'length' is out of bounds")}return new Buffer(value.slice(offset,offset+len))}if(Buffer.isBuffer(value)){var out=new Buffer(value.length);value.copy(out,0,0,value.length);return out}if(value){if(Array.isArray(value)||typeof ArrayBuffer!=="undefined"&&value.buffer instanceof ArrayBuffer||"length"in value){return new Buffer(value)}if(value.type==="Buffer"&&Array.isArray(value.data)){return new Buffer(value.data)}}throw new TypeError("First argument must be a string, Buffer, "+"ArrayBuffer, Array, or array-like object.")};exports.allocUnsafeSlow=function allocUnsafeSlow(size){if(typeof Buffer.allocUnsafeSlow==="function"){return Buffer.allocUnsafeSlow(size)}if(typeof size!=="number"){throw new TypeError("size must be a number")}if(size>=MAX_LEN){throw new RangeError("size is too large")}return new SlowBuffer(size)}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{buffer:16}],32:[function(require,module,exports){(function(Buffer){function isArray(arg){if(Array.isArray){return Array.isArray(arg)}return objectToString(arg)==="[object Array]"; | |
| }exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return objectToString(e)==="[object Error]"||e instanceof Error}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=Buffer.isBuffer;function objectToString(o){return Object.prototype.toString.call(o)}}).call(this,{isBuffer:require("../../../../insert-module-globals/node_modules/is-buffer/index.js")})},{"../../../../insert-module-globals/node_modules/is-buffer/index.js":22}],33:[function(require,module,exports){arguments[4][19][0].apply(exports,arguments)},{dup:19}],34:[function(require,module,exports){(function(process){"use strict";if(!process.version||process.version.indexOf("v0.")===0||process.version.indexOf("v1.")===0&&process.version.indexOf("v1.8.")!==0){module.exports=nextTick}else{module.exports=process.nextTick}function nextTick(fn,arg1,arg2,arg3){if(typeof fn!=="function"){throw new TypeError('"callback" argument must be a function')}var len=arguments.length;var args,i;switch(len){case 0:case 1:return process.nextTick(fn);case 2:return process.nextTick(function afterTickOne(){fn.call(null,arg1)});case 3:return process.nextTick(function afterTickTwo(){fn.call(null,arg1,arg2)});case 4:return process.nextTick(function afterTickThree(){fn.call(null,arg1,arg2,arg3)});default:args=new Array(len-1);i=0;while(i<args.length){args[i++]=arguments[i]}return process.nextTick(function afterTick(){fn.apply(null,args)})}}}).call(this,require("_process"))},{_process:23}],35:[function(require,module,exports){(function(global){module.exports=deprecate;function deprecate(fn,msg){if(config("noDeprecation")){return fn}var warned=false;function deprecated(){if(!warned){if(config("throwDeprecation")){throw new Error(msg)}else if(config("traceDeprecation")){console.trace(msg)}else{console.warn(msg)}warned=true}return fn.apply(this,arguments)}return deprecated}function config(name){try{if(!global.localStorage)return false}catch(_){return false}var val=global.localStorage[name];if(null==val)return false;return String(val).toLowerCase()==="true"}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],36:[function(require,module,exports){module.exports=require("./lib/_stream_passthrough.js")},{"./lib/_stream_passthrough.js":26}],37:[function(require,module,exports){(function(process){var Stream=function(){try{return require("st"+"ream")}catch(_){}}();exports=module.exports=require("./lib/_stream_readable.js");exports.Stream=Stream||exports;exports.Readable=exports;exports.Writable=require("./lib/_stream_writable.js");exports.Duplex=require("./lib/_stream_duplex.js");exports.Transform=require("./lib/_stream_transform.js");exports.PassThrough=require("./lib/_stream_passthrough.js");if(!process.browser&&process.env.READABLE_STREAM==="disable"&&Stream){module.exports=Stream}}).call(this,require("_process"))},{"./lib/_stream_duplex.js":25,"./lib/_stream_passthrough.js":26,"./lib/_stream_readable.js":27,"./lib/_stream_transform.js":28,"./lib/_stream_writable.js":29,_process:23}],38:[function(require,module,exports){module.exports=require("./lib/_stream_transform.js")},{"./lib/_stream_transform.js":28}],39:[function(require,module,exports){module.exports=require("./lib/_stream_writable.js")},{"./lib/_stream_writable.js":29}],40:[function(require,module,exports){module.exports=Stream;var EE=require("events").EventEmitter;var inherits=require("inherits");inherits(Stream,EE);Stream.Readable=require("readable-stream/readable.js");Stream.Writable=require("readable-stream/writable.js");Stream.Duplex=require("readable-stream/duplex.js");Stream.Transform=require("readable-stream/transform.js");Stream.PassThrough=require("readable-stream/passthrough.js");Stream.Stream=Stream;function Stream(){EE.call(this)}Stream.prototype.pipe=function(dest,options){var source=this;function ondata(chunk){if(dest.writable){if(false===dest.write(chunk)&&source.pause){source.pause()}}}source.on("data",ondata);function ondrain(){if(source.readable&&source.resume){source.resume()}}dest.on("drain",ondrain);if(!dest._isStdio&&(!options||options.end!==false)){source.on("end",onend);source.on("close",onclose)}var didOnEnd=false;function onend(){if(didOnEnd)return;didOnEnd=true;dest.end()}function onclose(){if(didOnEnd)return;didOnEnd=true;if(typeof dest.destroy==="function")dest.destroy()}function onerror(er){cleanup();if(EE.listenerCount(this,"error")===0){throw er}}source.on("error",onerror);dest.on("error",onerror);function cleanup(){source.removeListener("data",ondata);dest.removeListener("drain",ondrain);source.removeListener("end",onend);source.removeListener("close",onclose);source.removeListener("error",onerror);dest.removeListener("error",onerror);source.removeListener("end",cleanup);source.removeListener("close",cleanup);dest.removeListener("close",cleanup)}source.on("end",cleanup);source.on("close",cleanup);dest.on("close",cleanup);dest.emit("pipe",source);return dest}},{events:20,inherits:21,"readable-stream/duplex.js":24,"readable-stream/passthrough.js":36,"readable-stream/readable.js":37,"readable-stream/transform.js":38,"readable-stream/writable.js":39}],41:[function(require,module,exports){var Buffer=require("buffer").Buffer;var isBufferEncoding=Buffer.isEncoding||function(encoding){switch(encoding&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return true;default:return false}};function assertEncoding(encoding){if(encoding&&!isBufferEncoding(encoding)){throw new Error("Unknown encoding: "+encoding)}}var StringDecoder=exports.StringDecoder=function(encoding){this.encoding=(encoding||"utf8").toLowerCase().replace(/[-_]/,"");assertEncoding(encoding);switch(this.encoding){case"utf8":this.surrogateSize=3;break;case"ucs2":case"utf16le":this.surrogateSize=2;this.detectIncompleteChar=utf16DetectIncompleteChar;break;case"base64":this.surrogateSize=3;this.detectIncompleteChar=base64DetectIncompleteChar;break;default:this.write=passThroughWrite;return}this.charBuffer=new Buffer(6);this.charReceived=0;this.charLength=0};StringDecoder.prototype.write=function(buffer){var charStr="";while(this.charLength){var available=buffer.length>=this.charLength-this.charReceived?this.charLength-this.charReceived:buffer.length;buffer.copy(this.charBuffer,this.charReceived,0,available);this.charReceived+=available;if(this.charReceived<this.charLength){return""}buffer=buffer.slice(available,buffer.length);charStr=this.charBuffer.slice(0,this.charLength).toString(this.encoding);var charCode=charStr.charCodeAt(charStr.length-1);if(charCode>=55296&&charCode<=56319){this.charLength+=this.surrogateSize;charStr="";continue}this.charReceived=this.charLength=0;if(buffer.length===0){return charStr}break}this.detectIncompleteChar(buffer);var end=buffer.length;if(this.charLength){buffer.copy(this.charBuffer,0,buffer.length-this.charReceived,end);end-=this.charReceived}charStr+=buffer.toString(this.encoding,0,end);var end=charStr.length-1;var charCode=charStr.charCodeAt(end);if(charCode>=55296&&charCode<=56319){var size=this.surrogateSize;this.charLength+=size;this.charReceived+=size;this.charBuffer.copy(this.charBuffer,size,0,size);buffer.copy(this.charBuffer,0,0,size);return charStr.substring(0,end)}return charStr};StringDecoder.prototype.detectIncompleteChar=function(buffer){var i=buffer.length>=3?3:buffer.length;for(;i>0;i--){var c=buffer[buffer.length-i];if(i==1&&c>>5==6){this.charLength=2;break}if(i<=2&&c>>4==14){this.charLength=3;break}if(i<=3&&c>>3==30){this.charLength=4;break}}this.charReceived=i};StringDecoder.prototype.end=function(buffer){var res="";if(buffer&&buffer.length)res=this.write(buffer);if(this.charReceived){var cr=this.charReceived;var buf=this.charBuffer;var enc=this.encoding;res+=buf.slice(0,cr).toString(enc)}return res};function passThroughWrite(buffer){return buffer.toString(this.encoding)}function utf16DetectIncompleteChar(buffer){this.charReceived=buffer.length%2;this.charLength=this.charReceived?2:0}function base64DetectIncompleteChar(buffer){this.charReceived=buffer.length%3;this.charLength=this.charReceived?3:0}},{buffer:16}],42:[function(require,module,exports){arguments[4][21][0].apply(exports,arguments)},{dup:21}],43:[function(require,module,exports){module.exports=function isBuffer(arg){return arg&&typeof arg==="object"&&typeof arg.copy==="function"&&typeof arg.fill==="function"&&typeof arg.readUInt8==="function"}},{}],44:[function(require,module,exports){(function(process,global){var formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){var objects=[];for(var i=0;i<arguments.length;i++){objects.push(inspect(arguments[i]))}return objects.join(" ")}var i=1;var args=arguments;var len=args.length;var str=String(f).replace(formatRegExp,function(x){if(x==="%%")return"%";if(i>=len)return x;switch(x){case"%s":return String(args[i++]);case"%d":return Number(args[i++]);case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x}});for(var x=args[i];i<len;x=args[++i]){if(isNull(x)||!isObject(x)){str+=" "+x}else{str+=" "+inspect(x)}}return str};exports.deprecate=function(fn,msg){if(isUndefined(global.process)){return function(){return exports.deprecate(fn,msg).apply(this,arguments)}}if(process.noDeprecation===true){return fn}var warned=false;function deprecated(){if(!warned){if(process.throwDeprecation){throw new Error(msg)}else if(process.traceDeprecation){console.trace(msg)}else{console.error(msg)}warned=true}return fn.apply(this,arguments)}return deprecated};var debugs={};var debugEnviron;exports.debuglog=function(set){if(isUndefined(debugEnviron))debugEnviron=process.env.NODE_DEBUG||"";set=set.toUpperCase();if(!debugs[set]){if(new RegExp("\\b"+set+"\\b","i").test(debugEnviron)){var pid=process.pid;debugs[set]=function(){var msg=exports.format.apply(exports,arguments);console.error("%s %d: %s",set,pid,msg)}}else{debugs[set]=function(){}}}return debugs[set]};function inspect(obj,opts){var ctx={seen:[],stylize:stylizeNoColor};if(arguments.length>=3)ctx.depth=arguments[2];if(arguments.length>=4)ctx.colors=arguments[3];if(isBoolean(opts)){ctx.showHidden=opts}else if(opts){exports._extend(ctx,opts)}if(isUndefined(ctx.showHidden))ctx.showHidden=false;if(isUndefined(ctx.depth))ctx.depth=2;if(isUndefined(ctx.colors))ctx.colors=false;if(isUndefined(ctx.customInspect))ctx.customInspect=true;if(ctx.colors)ctx.stylize=stylizeWithColor;return formatValue(ctx,obj,ctx.depth)}exports.inspect=inspect;inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]};inspect.styles={special:"cyan",number:"yellow","boolean":"yellow",undefined:"grey","null":"bold",string:"green",date:"magenta",regexp:"red"};function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];if(style){return"["+inspect.colors[style][0]+"m"+str+"["+inspect.colors[style][1]+"m"}else{return str}}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};array.forEach(function(val,idx){hash[val]=true});return hash}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&!(value.constructor&&value.constructor.prototype===value)){var ret=value.inspect(recurseTimes,ctx);if(!isString(ret)){ret=formatValue(ctx,ret,recurseTimes)}return ret}var primitive=formatPrimitive(ctx,value);if(primitive){return primitive}var keys=Object.keys(value);var visibleKeys=arrayToHash(keys);if(ctx.showHidden){keys=Object.getOwnPropertyNames(value)}if(isError(value)&&(keys.indexOf("message")>=0||keys.indexOf("description")>=0)){return formatError(value)}if(keys.length===0){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}if(isDate(value)){return ctx.stylize(Date.prototype.toString.call(value),"date")}if(isError(value)){return formatError(value)}}var base="",array=false,braces=["{","}"];if(isArray(value)){array=true;braces=["[","]"]}if(isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)){base=" "+RegExp.prototype.toString.call(value)}if(isDate(value)){base=" "+Date.prototype.toUTCString.call(value)}if(isError(value)){base=" "+formatError(value)}if(keys.length===0&&(!array||value.length==0)){return braces[0]+base+braces[1]}if(recurseTimes<0){if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}else{return ctx.stylize("[Object]","special")}}ctx.seen.push(value);var output;if(array){output=formatArray(ctx,value,recurseTimes,visibleKeys,keys)}else{output=keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)})}ctx.seen.pop();return reduceToSingleString(output,base,braces)}function formatPrimitive(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return ctx.stylize(simple,"string")}if(isNumber(value))return ctx.stylize(""+value,"number");if(isBoolean(value))return ctx.stylize(""+value,"boolean");if(isNull(value))return ctx.stylize("null","null")}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){var output=[];for(var i=0,l=value.length;i<l;++i){if(hasOwnProperty(value,String(i))){output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,String(i),true))}else{output.push("")}}keys.forEach(function(key){if(!key.match(/^\d+$/)){output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,key,true))}});return output}function formatProperty(ctx,value,recurseTimes,visibleKeys,key,array){var name,str,desc;desc=Object.getOwnPropertyDescriptor(value,key)||{value:value[key]};if(desc.get){if(desc.set){str=ctx.stylize("[Getter/Setter]","special")}else{str=ctx.stylize("[Getter]","special")}}else{if(desc.set){str=ctx.stylize("[Setter]","special")}}if(!hasOwnProperty(visibleKeys,key)){name="["+key+"]"}if(!str){if(ctx.seen.indexOf(desc.value)<0){if(isNull(recurseTimes)){str=formatValue(ctx,desc.value,null)}else{str=formatValue(ctx,desc.value,recurseTimes-1)}if(str.indexOf("\n")>-1){if(array){str=str.split("\n").map(function(line){return" "+line}).join("\n").substr(2)}else{str="\n"+str.split("\n").map(function(line){return" "+line}).join("\n")}}}else{str=ctx.stylize("[Circular]","special")}}if(isUndefined(name)){if(array&&key.match(/^\d+$/)){return str}name=JSON.stringify(""+key);if(name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)){name=name.substr(1,name.length-2);name=ctx.stylize(name,"name")}else{name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'");name=ctx.stylize(name,"string")}}return name+": "+str}function reduceToSingleString(output,base,braces){var numLinesEst=0;var length=output.reduce(function(prev,cur){numLinesEst++;if(cur.indexOf("\n")>=0)numLinesEst++;return prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);if(length>60){return braces[0]+(base===""?"":base+"\n ")+" "+output.join(",\n ")+" "+braces[1]}return braces[0]+base+" "+output.join(", ")+" "+braces[1]}function isArray(ar){return Array.isArray(ar)}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return isObject(re)&&objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return isObject(d)&&objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return isObject(e)&&(objectToString(e)==="[object Error]"||e instanceof Error)}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=require("./support/isBuffer");function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return n<10?"0"+n.toString(10):n.toString(10)}var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];function timestamp(){var d=new Date;var time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))};exports.inherits=require("inherits");exports._extend=function(origin,add){if(!add||!isObject(add))return origin;var keys=Object.keys(add);var i=keys.length;while(i--){origin[keys[i]]=add[keys[i]]}return origin};function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./support/isBuffer":43,_process:23,inherits:42}],45:[function(require,module,exports){(function(Buffer){"use strict";var interlaceUtils=require("./interlace");var pixelBppMap={1:{0:0,1:0,2:0,3:255},2:{0:0,1:0,2:0,3:1},3:{0:0,1:1,2:2,3:255},4:{0:0,1:1,2:2,3:3}};function bitRetriever(data,depth){var leftOver=[];var i=0;function split(){if(i===data.length){throw new Error("Ran out of data")}var byte=data[i];i++;var byte8,byte7,byte6,byte5,byte4,byte3,byte2,byte1;switch(depth){default:throw new Error("unrecognised depth");case 16:byte2=data[i];i++;leftOver.push((byte<<8)+byte2);break;case 4:byte2=byte&15;byte1=byte>>4;leftOver.push(byte1,byte2);break;case 2:byte4=byte&3;byte3=byte>>2&3;byte2=byte>>4&3;byte1=byte>>6&3;leftOver.push(byte1,byte2,byte3,byte4);break;case 1:byte8=byte&1;byte7=byte>>1&1;byte6=byte>>2&1;byte5=byte>>3&1;byte4=byte>>4&1;byte3=byte>>5&1;byte2=byte>>6&1;byte1=byte>>7&1;leftOver.push(byte1,byte2,byte3,byte4,byte5,byte6,byte7,byte8);break}}return{get:function(count){while(leftOver.length<count){split()}var returner=leftOver.slice(0,count);leftOver=leftOver.slice(count);return returner},resetAfterLine:function(){leftOver.length=0},end:function(){if(i!==data.length){throw new Error("extra data found")}}}}function mapImage8Bit(image,pxData,getPxPos,bpp,data,rawPos){var imageWidth=image.width;var imageHeight=image.height;var imagePass=image.index;for(var y=0;y<imageHeight;y++){for(var x=0;x<imageWidth;x++){var pxPos=getPxPos(x,y,imagePass);for(var i=0;i<4;i++){var idx=pixelBppMap[bpp][i];if(idx===255){pxData[pxPos+i]=255}else{var dataPos=idx+rawPos;if(dataPos===data.length){throw new Error("Ran out of data")}pxData[pxPos+i]=data[dataPos]}}rawPos+=bpp}}return rawPos}function mapImageCustomBit(image,pxData,getPxPos,bpp,bits,maxBit){var imageWidth=image.width;var imageHeight=image.height;var imagePass=image.index;for(var y=0;y<imageHeight;y++){for(var x=0;x<imageWidth;x++){var pixelData=bits.get(bpp);var pxPos=getPxPos(x,y,imagePass);for(var i=0;i<4;i++){var idx=pixelBppMap[bpp][i];pxData[pxPos+i]=idx!==255?pixelData[idx]:maxBit}}bits.resetAfterLine()}}exports.dataToBitMap=function(data,bitmapInfo){var width=bitmapInfo.width;var height=bitmapInfo.height;var depth=bitmapInfo.depth;var bpp=bitmapInfo.bpp;var interlace=bitmapInfo.interlace;if(depth!==8){var bits=bitRetriever(data,depth)}var pxData;if(depth<=8){pxData=new Buffer(width*height*4)}else{pxData=new Uint16Array(width*height*4)}var maxBit=Math.pow(2,depth)-1;var rawPos=0;var images;var getPxPos;if(interlace){images=interlaceUtils.getImagePasses(width,height);getPxPos=interlaceUtils.getInterlaceIterator(width,height)}else{var nonInterlacedPxPos=0;getPxPos=function(){var returner=nonInterlacedPxPos;nonInterlacedPxPos+=4;return returner};images=[{width:width,height:height}]}for(var imageIndex=0;imageIndex<images.length;imageIndex++){if(depth===8){rawPos=mapImage8Bit(images[imageIndex],pxData,getPxPos,bpp,data,rawPos)}else{mapImageCustomBit(images[imageIndex],pxData,getPxPos,bpp,bits,maxBit)}}if(depth===8){if(rawPos!==data.length){throw new Error("extra data found")}}else{bits.end()}return pxData}}).call(this,require("buffer").Buffer)},{"./interlace":55,buffer:16}],46:[function(require,module,exports){(function(Buffer){"use strict";var constants=require("./constants");module.exports=function(data,width,height,options){var outHasAlpha=options.colorType===constants.COLORTYPE_COLOR_ALPHA;if(options.inputHasAlpha&&outHasAlpha){return data}if(!options.inputHasAlpha&&!outHasAlpha){return data}var outBpp=outHasAlpha?4:3;var outData=new Buffer(width*height*outBpp);var inBpp=options.inputHasAlpha?4:3;var inIndex=0;var outIndex=0;var bgColor=options.bgColor||{};if(bgColor.red===undefined){bgColor.red=255}if(bgColor.green===undefined){bgColor.green=255}if(bgColor.blue===undefined){bgColor.blue=255}for(var y=0;y<height;y++){for(var x=0;x<width;x++){var red=data[inIndex];var green=data[inIndex+1];var blue=data[inIndex+2];var alpha;if(options.inputHasAlpha){alpha=data[inIndex+3];if(!outHasAlpha){alpha/=255;red=Math.min(Math.max(Math.round((1-alpha)*bgColor.red+alpha*red),0),255);green=Math.min(Math.max(Math.round((1-alpha)*bgColor.green+alpha*green),0),255);blue=Math.min(Math.max(Math.round((1-alpha)*bgColor.blue+alpha*blue),0),255)}}else{alpha=255}outData[outIndex]=red;outData[outIndex+1]=green;outData[outIndex+2]=blue;if(outHasAlpha){outData[outIndex+3]=alpha}inIndex+=inBpp;outIndex+=outBpp}}return outData}}).call(this,require("buffer").Buffer)},{"./constants":48,buffer:16}],47:[function(require,module,exports){(function(process,Buffer){"use strict";var util=require("util");var Stream=require("stream");var ChunkStream=module.exports=function(){Stream.call(this);this._buffers=[];this._buffered=0;this._reads=[];this._paused=false;this._encoding="utf8";this.writable=true};util.inherits(ChunkStream,Stream);ChunkStream.prototype.read=function(length,callback){this._reads.push({length:Math.abs(length),allowLess:length<0,func:callback});process.nextTick(function(){this._process();if(this._paused&&this._reads.length>0){this._paused=false;this.emit("drain")}}.bind(this))};ChunkStream.prototype.write=function(data,encoding){if(!this.writable){this.emit("error",new Error("Stream not writable"));return false}var dataBuffer;if(Buffer.isBuffer(data)){dataBuffer=data}else{dataBuffer=new Buffer(data,encoding||this._encoding)}this._buffers.push(dataBuffer);this._buffered+=dataBuffer.length;this._process();if(this._reads&&this._reads.length===0){this._paused=true}return this.writable&&!this._paused};ChunkStream.prototype.end=function(data,encoding){if(data){this.write(data,encoding)}this.writable=false;if(!this._buffers){return}if(this._buffers.length===0){this._end()}else{this._buffers.push(null);this._process()}};ChunkStream.prototype.destroySoon=ChunkStream.prototype.end;ChunkStream.prototype._end=function(){if(this._reads.length>0){this.emit("error",new Error("There are some read requests waiting on finished stream"))}this.destroy()};ChunkStream.prototype.destroy=function(){if(!this._buffers){return}this.writable=false;this._reads=null;this._buffers=null;this.emit("close")};ChunkStream.prototype._processReadAllowingLess=function(read){this._reads.shift();var smallerBuf=this._buffers[0];if(smallerBuf.length>read.length){this._buffered-=read.length;this._buffers[0]=smallerBuf.slice(read.length);read.func.call(this,smallerBuf.slice(0,read.length))}else{this._buffered-=smallerBuf.length;this._buffers.shift();read.func.call(this,smallerBuf)}};ChunkStream.prototype._processRead=function(read){this._reads.shift();var pos=0;var count=0;var data=new Buffer(read.length);while(pos<read.length){var buf=this._buffers[count++];var len=Math.min(buf.length,read.length-pos);buf.copy(data,pos,0,len);pos+=len;if(len!==buf.length){this._buffers[--count]=buf.slice(len)}}if(count>0){this._buffers.splice(0,count)}this._buffered-=read.length;read.func.call(this,data)};ChunkStream.prototype._process=function(){try{while(this._buffered>0&&this._reads&&this._reads.length>0){var read=this._reads[0];if(read.allowLess){this._processReadAllowingLess(read)}else if(this._buffered>=read.length){this._processRead(read)}else{break}}if(this._buffers&&this._buffers.length>0&&this._buffers[0]===null){this._end()}}catch(ex){this.emit("error",ex)}}}).call(this,require("_process"),require("buffer").Buffer)},{_process:23,buffer:16,stream:40,util:44}],48:[function(require,module,exports){"use strict";module.exports={PNG_SIGNATURE:[137,80,78,71,13,10,26,10],TYPE_IHDR:1229472850,TYPE_IEND:1229278788,TYPE_IDAT:1229209940,TYPE_PLTE:1347179589,TYPE_tRNS:1951551059,TYPE_gAMA:1732332865,COLORTYPE_GRAYSCALE:0,COLORTYPE_PALETTE:1,COLORTYPE_COLOR:2,COLORTYPE_ALPHA:4,COLORTYPE_PALETTE_COLOR:3,COLORTYPE_COLOR_ALPHA:6,COLORTYPE_TO_BPP_MAP:{0:1,2:3,3:1,4:2,6:4},GAMMA_DIVISION:1e5}},{}],49:[function(require,module,exports){"use strict";var crcTable=[];(function(){for(var i=0;i<256;i++){var currentCrc=i;for(var j=0;j<8;j++){if(currentCrc&1){currentCrc=3988292384^currentCrc>>>1}else{currentCrc=currentCrc>>>1}}crcTable[i]=currentCrc}})();var CrcCalculator=module.exports=function(){this._crc=-1};CrcCalculator.prototype.write=function(data){for(var i=0;i<data.length;i++){this._crc=crcTable[(this._crc^data[i])&255]^this._crc>>>8}return true};CrcCalculator.prototype.crc32=function(){return this._crc^-1};CrcCalculator.crc32=function(buf){var crc=-1;for(var i=0;i<buf.length;i++){crc=crcTable[(crc^buf[i])&255]^crc>>>8}return crc^-1}},{}],50:[function(require,module,exports){(function(Buffer){"use strict";var paethPredictor=require("./paeth-predictor");function filterNone(pxData,pxPos,byteWidth,rawData,rawPos){pxData.copy(rawData,rawPos,pxPos,pxPos+byteWidth)}function filterSumNone(pxData,pxPos,byteWidth){var sum=0;var length=pxPos+byteWidth;for(var i=pxPos;i<length;i++){sum+=Math.abs(pxData[i])}return sum}function filterSub(pxData,pxPos,byteWidth,rawData,rawPos,bpp){for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var val=pxData[pxPos+x]-left;rawData[rawPos+x]=val}}function filterSumSub(pxData,pxPos,byteWidth,bpp){var sum=0;for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var val=pxData[pxPos+x]-left;sum+=Math.abs(val)}return sum}function filterUp(pxData,pxPos,byteWidth,rawData,rawPos){for(var x=0;x<byteWidth;x++){var up=pxPos>0?pxData[pxPos+x-byteWidth]:0;var val=pxData[pxPos+x]-up;rawData[rawPos+x]=val}}function filterSumUp(pxData,pxPos,byteWidth){var sum=0;var length=pxPos+byteWidth;for(var x=pxPos;x<length;x++){var up=pxPos>0?pxData[x-byteWidth]:0;var val=pxData[x]-up;sum+=Math.abs(val)}return sum}function filterAvg(pxData,pxPos,byteWidth,rawData,rawPos,bpp){for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var up=pxPos>0?pxData[pxPos+x-byteWidth]:0;var val=pxData[pxPos+x]-(left+up>>1);rawData[rawPos+x]=val}}function filterSumAvg(pxData,pxPos,byteWidth,bpp){var sum=0;for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var up=pxPos>0?pxData[pxPos+x-byteWidth]:0;var val=pxData[pxPos+x]-(left+up>>1);sum+=Math.abs(val)}return sum}function filterPaeth(pxData,pxPos,byteWidth,rawData,rawPos,bpp){for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var up=pxPos>0?pxData[pxPos+x-byteWidth]:0;var upleft=pxPos>0&&x>=bpp?pxData[pxPos+x-(byteWidth+bpp)]:0;var val=pxData[pxPos+x]-paethPredictor(left,up,upleft);rawData[rawPos+x]=val}}function filterSumPaeth(pxData,pxPos,byteWidth,bpp){var sum=0;for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var up=pxPos>0?pxData[pxPos+x-byteWidth]:0;var upleft=pxPos>0&&x>=bpp?pxData[pxPos+x-(byteWidth+bpp)]:0;var val=pxData[pxPos+x]-paethPredictor(left,up,upleft);sum+=Math.abs(val)}return sum}var filters={0:filterNone,1:filterSub,2:filterUp,3:filterAvg,4:filterPaeth};var filterSums={0:filterSumNone,1:filterSumSub,2:filterSumUp,3:filterSumAvg,4:filterSumPaeth};module.exports=function(pxData,width,height,options,bpp){var filterTypes;if(!("filterType"in options)||options.filterType===-1){filterTypes=[0,1,2,3,4]}else if(typeof options.filterType==="number"){filterTypes=[options.filterType]}else{throw new Error("unrecognised filter types")}var byteWidth=width*bpp;var rawPos=0;var pxPos=0;var rawData=new Buffer((byteWidth+1)*height);var sel=filterTypes[0];for(var y=0;y<height;y++){if(filterTypes.length>1){var min=Infinity;for(var i=0;i<filterTypes.length;i++){var sum=filterSums[filterTypes[i]](pxData,pxPos,byteWidth,bpp);if(sum<min){sel=filterTypes[i];min=sum}}}rawData[rawPos]=sel;rawPos++;filters[sel](pxData,pxPos,byteWidth,rawData,rawPos,bpp);rawPos+=byteWidth;pxPos+=byteWidth}return rawData}}).call(this,require("buffer").Buffer)},{"./paeth-predictor":59,buffer:16}],51:[function(require,module,exports){(function(Buffer){"use strict";var util=require("util");var ChunkStream=require("./chunkstream");var Filter=require("./filter-parse");var FilterAsync=module.exports=function(bitmapInfo){ChunkStream.call(this);var buffers=[];var that=this;this._filter=new Filter(bitmapInfo,{read:this.read.bind(this),write:function(buffer){buffers.push(buffer)},complete:function(){that.emit("complete",Buffer.concat(buffers))}});this._filter.start()};util.inherits(FilterAsync,ChunkStream)}).call(this,require("buffer").Buffer)},{"./chunkstream":47,"./filter-parse":53,buffer:16,util:44}],52:[function(require,module,exports){(function(Buffer){"use strict";var SyncReader=require("./sync-reader");var Filter=require("./filter-parse");exports.process=function(inBuffer,bitmapInfo){var outBuffers=[];var reader=new SyncReader(inBuffer);var filter=new Filter(bitmapInfo,{read:reader.read.bind(reader),write:function(bufferPart){outBuffers.push(bufferPart)},complete:function(){}});filter.start();reader.process();return Buffer.concat(outBuffers)}}).call(this,require("buffer").Buffer)},{"./filter-parse":53,"./sync-reader":64,buffer:16}],53:[function(require,module,exports){(function(Buffer){"use strict";var interlaceUtils=require("./interlace");var paethPredictor=require("./paeth-predictor");function getByteWidth(width,bpp,depth){var byteWidth=width*bpp;if(depth!==8){byteWidth=Math.ceil(byteWidth/(8/depth))}return byteWidth}var Filter=module.exports=function(bitmapInfo,dependencies){var width=bitmapInfo.width;var height=bitmapInfo.height;var interlace=bitmapInfo.interlace; | |
| var bpp=bitmapInfo.bpp;var depth=bitmapInfo.depth;this.read=dependencies.read;this.write=dependencies.write;this.complete=dependencies.complete;this._imageIndex=0;this._images=[];if(interlace){var passes=interlaceUtils.getImagePasses(width,height);for(var i=0;i<passes.length;i++){this._images.push({byteWidth:getByteWidth(passes[i].width,bpp,depth),height:passes[i].height,lineIndex:0})}}else{this._images.push({byteWidth:getByteWidth(width,bpp,depth),height:height,lineIndex:0})}if(depth===8){this._xComparison=bpp}else if(depth===16){this._xComparison=bpp*2}else{this._xComparison=1}};Filter.prototype.start=function(){this.read(this._images[this._imageIndex].byteWidth+1,this._reverseFilterLine.bind(this))};Filter.prototype._unFilterType1=function(rawData,unfilteredLine,byteWidth){var xComparison=this._xComparison;var xBiggerThan=xComparison-1;for(var x=0;x<byteWidth;x++){var rawByte=rawData[1+x];var f1Left=x>xBiggerThan?unfilteredLine[x-xComparison]:0;unfilteredLine[x]=rawByte+f1Left}};Filter.prototype._unFilterType2=function(rawData,unfilteredLine,byteWidth){var lastLine=this._lastLine;for(var x=0;x<byteWidth;x++){var rawByte=rawData[1+x];var f2Up=lastLine?lastLine[x]:0;unfilteredLine[x]=rawByte+f2Up}};Filter.prototype._unFilterType3=function(rawData,unfilteredLine,byteWidth){var xComparison=this._xComparison;var xBiggerThan=xComparison-1;var lastLine=this._lastLine;for(var x=0;x<byteWidth;x++){var rawByte=rawData[1+x];var f3Up=lastLine?lastLine[x]:0;var f3Left=x>xBiggerThan?unfilteredLine[x-xComparison]:0;var f3Add=Math.floor((f3Left+f3Up)/2);unfilteredLine[x]=rawByte+f3Add}};Filter.prototype._unFilterType4=function(rawData,unfilteredLine,byteWidth){var xComparison=this._xComparison;var xBiggerThan=xComparison-1;var lastLine=this._lastLine;for(var x=0;x<byteWidth;x++){var rawByte=rawData[1+x];var f4Up=lastLine?lastLine[x]:0;var f4Left=x>xBiggerThan?unfilteredLine[x-xComparison]:0;var f4UpLeft=x>xBiggerThan&&lastLine?lastLine[x-xComparison]:0;var f4Add=paethPredictor(f4Left,f4Up,f4UpLeft);unfilteredLine[x]=rawByte+f4Add}};Filter.prototype._reverseFilterLine=function(rawData){var filter=rawData[0];var unfilteredLine;var currentImage=this._images[this._imageIndex];var byteWidth=currentImage.byteWidth;if(filter===0){unfilteredLine=rawData.slice(1,byteWidth+1)}else{unfilteredLine=new Buffer(byteWidth);switch(filter){case 1:this._unFilterType1(rawData,unfilteredLine,byteWidth);break;case 2:this._unFilterType2(rawData,unfilteredLine,byteWidth);break;case 3:this._unFilterType3(rawData,unfilteredLine,byteWidth);break;case 4:this._unFilterType4(rawData,unfilteredLine,byteWidth);break;default:throw new Error("Unrecognised filter type - "+filter)}}this.write(unfilteredLine);currentImage.lineIndex++;if(currentImage.lineIndex>=currentImage.height){this._lastLine=null;this._imageIndex++;currentImage=this._images[this._imageIndex]}else{this._lastLine=unfilteredLine}if(currentImage){this.read(currentImage.byteWidth+1,this._reverseFilterLine.bind(this))}else{this._lastLine=null;this.complete()}}}).call(this,require("buffer").Buffer)},{"./interlace":55,"./paeth-predictor":59,buffer:16}],54:[function(require,module,exports){(function(Buffer){"use strict";function dePalette(indata,outdata,width,height,palette){var pxPos=0;for(var y=0;y<height;y++){for(var x=0;x<width;x++){var color=palette[indata[pxPos]];if(!color){throw new Error("index "+indata[pxPos]+" not in palette")}for(var i=0;i<4;i++){outdata[pxPos+i]=color[i]}pxPos+=4}}}function replaceTransparentColor(indata,outdata,width,height,transColor){var pxPos=0;for(var y=0;y<height;y++){for(var x=0;x<width;x++){var makeTrans=false;if(transColor.length===1){if(transColor[0]===indata[pxPos]){makeTrans=true}}else if(transColor[0]===indata[pxPos]&&transColor[1]===indata[pxPos+1]&&transColor[2]===indata[pxPos+2]){makeTrans=true}if(makeTrans){for(var i=0;i<4;i++){outdata[pxPos+i]=0}}pxPos+=4}}}function scaleDepth(indata,outdata,width,height,depth){var maxOutSample=255;var maxInSample=Math.pow(2,depth)-1;var pxPos=0;for(var y=0;y<height;y++){for(var x=0;x<width;x++){for(var i=0;i<4;i++){outdata[pxPos+i]=Math.floor(indata[pxPos+i]*maxOutSample/maxInSample+.5)}pxPos+=4}}}module.exports=function(indata,imageData){var depth=imageData.depth;var width=imageData.width;var height=imageData.height;var colorType=imageData.colorType;var transColor=imageData.transColor;var palette=imageData.palette;var outdata=indata;if(colorType===3){dePalette(indata,outdata,width,height,palette)}else{if(transColor){replaceTransparentColor(indata,outdata,width,height,transColor)}if(depth!==8){if(depth===16){outdata=new Buffer(width*height*4)}scaleDepth(indata,outdata,width,height,depth)}}return outdata}}).call(this,require("buffer").Buffer)},{buffer:16}],55:[function(require,module,exports){"use strict";var imagePasses=[{x:[0],y:[0]},{x:[4],y:[0]},{x:[0,4],y:[4]},{x:[2,6],y:[0,4]},{x:[0,2,4,6],y:[2,6]},{x:[1,3,5,7],y:[0,2,4,6]},{x:[0,1,2,3,4,5,6,7],y:[1,3,5,7]}];exports.getImagePasses=function(width,height){var images=[];var xLeftOver=width%8;var yLeftOver=height%8;var xRepeats=(width-xLeftOver)/8;var yRepeats=(height-yLeftOver)/8;for(var i=0;i<imagePasses.length;i++){var pass=imagePasses[i];var passWidth=xRepeats*pass.x.length;var passHeight=yRepeats*pass.y.length;for(var j=0;j<pass.x.length;j++){if(pass.x[j]<xLeftOver){passWidth++}else{break}}for(j=0;j<pass.y.length;j++){if(pass.y[j]<yLeftOver){passHeight++}else{break}}if(passWidth>0&&passHeight>0){images.push({width:passWidth,height:passHeight,index:i})}}return images};exports.getInterlaceIterator=function(width){return function(x,y,pass){var outerXLeftOver=x%imagePasses[pass].x.length;var outerX=(x-outerXLeftOver)/imagePasses[pass].x.length*8+imagePasses[pass].x[outerXLeftOver];var outerYLeftOver=y%imagePasses[pass].y.length;var outerY=(y-outerYLeftOver)/imagePasses[pass].y.length*8+imagePasses[pass].y[outerYLeftOver];return outerX*4+outerY*width*4}}},{}],56:[function(require,module,exports){(function(Buffer){"use strict";var util=require("util");var Stream=require("stream");var constants=require("./constants");var Packer=require("./packer");var PackerAsync=module.exports=function(opt){Stream.call(this);var options=opt||{};this._packer=new Packer(options);this._deflate=this._packer.createDeflate();this.readable=true};util.inherits(PackerAsync,Stream);PackerAsync.prototype.pack=function(data,width,height,gamma){this.emit("data",new Buffer(constants.PNG_SIGNATURE));this.emit("data",this._packer.packIHDR(width,height));if(gamma){this.emit("data",this._packer.packGAMA(gamma))}var filteredData=this._packer.filterData(data,width,height);this._deflate.on("error",this.emit.bind(this,"error"));this._deflate.on("data",function(compressedData){this.emit("data",this._packer.packIDAT(compressedData))}.bind(this));this._deflate.on("end",function(){this.emit("data",this._packer.packIEND());this.emit("end")}.bind(this));this._deflate.end(filteredData)}}).call(this,require("buffer").Buffer)},{"./constants":48,"./packer":58,buffer:16,stream:40,util:44}],57:[function(require,module,exports){(function(Buffer){"use strict";var hasSyncZlib=true;var zlib=require("zlib");var constants=require("./constants");var Packer=require("./packer");module.exports=function(metaData,opt){if(!hasSyncZlib){throw new Error("To use the sync capability of this library in old node versions, please pin pngjs to v2.3.0")}var options=opt||{};var packer=new Packer(options);var chunks=[];chunks.push(new Buffer(constants.PNG_SIGNATURE));chunks.push(packer.packIHDR(metaData.width,metaData.height));if(metaData.gamma){chunks.push(packer.packGAMA(metaData.gamma))}var filteredData=packer.filterData(metaData.data,metaData.width,metaData.height);var compressedData=zlib.deflateSync(filteredData,packer.getDeflateOptions());filteredData=null;if(!compressedData||!compressedData.length){throw new Error("bad png - invalid compressed data response")}chunks.push(packer.packIDAT(compressedData));chunks.push(packer.packIEND());return Buffer.concat(chunks)}}).call(this,require("buffer").Buffer)},{"./constants":48,"./packer":58,buffer:16,zlib:15}],58:[function(require,module,exports){(function(Buffer){"use strict";var constants=require("./constants");var CrcStream=require("./crc");var bitPacker=require("./bitpacker");var filter=require("./filter-pack");var zlib=require("zlib");var Packer=module.exports=function(options){this._options=options;options.deflateChunkSize=options.deflateChunkSize||32*1024;options.deflateLevel=options.deflateLevel!=null?options.deflateLevel:9;options.deflateStrategy=options.deflateStrategy!=null?options.deflateStrategy:3;options.inputHasAlpha=options.inputHasAlpha!=null?options.inputHasAlpha:true;options.deflateFactory=options.deflateFactory||zlib.createDeflate;options.bitDepth=options.bitDepth||8;options.colorType=typeof options.colorType==="number"?options.colorType:constants.COLORTYPE_COLOR_ALPHA;if(options.colorType!==constants.COLORTYPE_COLOR&&options.colorType!==constants.COLORTYPE_COLOR_ALPHA){throw new Error("option color type:"+options.colorType+" is not supported at present")}if(options.bitDepth!==8){throw new Error("option bit depth:"+options.bitDepth+" is not supported at present")}};Packer.prototype.getDeflateOptions=function(){return{chunkSize:this._options.deflateChunkSize,level:this._options.deflateLevel,strategy:this._options.deflateStrategy}};Packer.prototype.createDeflate=function(){return this._options.deflateFactory(this.getDeflateOptions())};Packer.prototype.filterData=function(data,width,height){var packedData=bitPacker(data,width,height,this._options);var bpp=constants.COLORTYPE_TO_BPP_MAP[this._options.colorType];var filteredData=filter(packedData,width,height,this._options,bpp);return filteredData};Packer.prototype._packChunk=function(type,data){var len=data?data.length:0;var buf=new Buffer(len+12);buf.writeUInt32BE(len,0);buf.writeUInt32BE(type,4);if(data){data.copy(buf,8)}buf.writeInt32BE(CrcStream.crc32(buf.slice(4,buf.length-4)),buf.length-4);return buf};Packer.prototype.packGAMA=function(gamma){var buf=new Buffer(4);buf.writeUInt32BE(Math.floor(gamma*constants.GAMMA_DIVISION),0);return this._packChunk(constants.TYPE_gAMA,buf)};Packer.prototype.packIHDR=function(width,height){var buf=new Buffer(13);buf.writeUInt32BE(width,0);buf.writeUInt32BE(height,4);buf[8]=this._options.bitDepth;buf[9]=this._options.colorType;buf[10]=0;buf[11]=0;buf[12]=0;return this._packChunk(constants.TYPE_IHDR,buf)};Packer.prototype.packIDAT=function(data){return this._packChunk(constants.TYPE_IDAT,data)};Packer.prototype.packIEND=function(){return this._packChunk(constants.TYPE_IEND,null)}}).call(this,require("buffer").Buffer)},{"./bitpacker":46,"./constants":48,"./crc":49,"./filter-pack":50,buffer:16,zlib:15}],59:[function(require,module,exports){"use strict";module.exports=function paethPredictor(left,above,upLeft){var paeth=left+above-upLeft;var pLeft=Math.abs(paeth-left);var pAbove=Math.abs(paeth-above);var pUpLeft=Math.abs(paeth-upLeft);if(pLeft<=pAbove&&pLeft<=pUpLeft){return left}if(pAbove<=pUpLeft){return above}return upLeft}},{}],60:[function(require,module,exports){"use strict";var util=require("util");var zlib=require("zlib");var ChunkStream=require("./chunkstream");var FilterAsync=require("./filter-parse-async");var Parser=require("./parser");var bitmapper=require("./bitmapper");var formatNormaliser=require("./format-normaliser");var ParserAsync=module.exports=function(options){ChunkStream.call(this);this._parser=new Parser(options,{read:this.read.bind(this),error:this._handleError.bind(this),metadata:this._handleMetaData.bind(this),gamma:this.emit.bind(this,"gamma"),palette:this._handlePalette.bind(this),transColor:this._handleTransColor.bind(this),finished:this._finished.bind(this),inflateData:this._inflateData.bind(this)});this._options=options;this.writable=true;this._parser.start()};util.inherits(ParserAsync,ChunkStream);ParserAsync.prototype._handleError=function(err){this.emit("error",err);this.writable=false;this.destroy();if(this._inflate&&this._inflate.destroy){this._inflate.destroy()}this.errord=true};ParserAsync.prototype._inflateData=function(data){if(!this._inflate){this._inflate=zlib.createInflate();this._inflate.on("error",this.emit.bind(this,"error"));this._filter.on("complete",this._complete.bind(this));this._inflate.pipe(this._filter)}this._inflate.write(data)};ParserAsync.prototype._handleMetaData=function(metaData){this.emit("metadata",metaData);this._bitmapInfo=Object.create(metaData);this._filter=new FilterAsync(this._bitmapInfo)};ParserAsync.prototype._handleTransColor=function(transColor){this._bitmapInfo.transColor=transColor};ParserAsync.prototype._handlePalette=function(palette){this._bitmapInfo.palette=palette};ParserAsync.prototype._finished=function(){if(this.errord){return}if(!this._inflate){this.emit("error","No Inflate block")}else{this._inflate.end()}this.destroySoon()};ParserAsync.prototype._complete=function(filteredData){if(this.errord){return}try{var bitmapData=bitmapper.dataToBitMap(filteredData,this._bitmapInfo);var normalisedBitmapData=formatNormaliser(bitmapData,this._bitmapInfo);bitmapData=null}catch(ex){this._handleError(ex);return}this.emit("parsed",normalisedBitmapData)}},{"./bitmapper":45,"./chunkstream":47,"./filter-parse-async":51,"./format-normaliser":54,"./parser":62,util:44,zlib:15}],61:[function(require,module,exports){(function(Buffer){"use strict";var hasSyncZlib=true;var zlib=require("zlib");var SyncReader=require("./sync-reader");var FilterSync=require("./filter-parse-sync");var Parser=require("./parser");var bitmapper=require("./bitmapper");var formatNormaliser=require("./format-normaliser");module.exports=function(buffer,options){if(!hasSyncZlib){throw new Error("To use the sync capability of this library in old node versions, please pin pngjs to v2.3.0")}var err;function handleError(_err_){err=_err_}var metaData;function handleMetaData(_metaData_){metaData=_metaData_}function handleTransColor(transColor){metaData.transColor=transColor}function handlePalette(palette){metaData.palette=palette}var gamma;function handleGamma(_gamma_){gamma=_gamma_}var inflateDataList=[];function handleInflateData(inflatedData){inflateDataList.push(inflatedData)}var reader=new SyncReader(buffer);var parser=new Parser(options,{read:reader.read.bind(reader),error:handleError,metadata:handleMetaData,gamma:handleGamma,palette:handlePalette,transColor:handleTransColor,inflateData:handleInflateData});parser.start();reader.process();if(err){throw err}var inflateData=Buffer.concat(inflateDataList);inflateDataList.length=0;var inflatedData=zlib.inflateSync(inflateData);inflateData=null;if(!inflatedData||!inflatedData.length){throw new Error("bad png - invalid inflate data response")}var unfilteredData=FilterSync.process(inflatedData,metaData);inflateData=null;var bitmapData=bitmapper.dataToBitMap(unfilteredData,metaData);unfilteredData=null;var normalisedBitmapData=formatNormaliser(bitmapData,metaData);metaData.data=normalisedBitmapData;metaData.gamma=gamma||0;return metaData}}).call(this,require("buffer").Buffer)},{"./bitmapper":45,"./filter-parse-sync":52,"./format-normaliser":54,"./parser":62,"./sync-reader":64,buffer:16,zlib:15}],62:[function(require,module,exports){(function(Buffer){"use strict";var constants=require("./constants");var CrcCalculator=require("./crc");var Parser=module.exports=function(options,dependencies){this._options=options;options.checkCRC=options.checkCRC!==false;this._hasIHDR=false;this._hasIEND=false;this._palette=[];this._colorType=0;this._chunks={};this._chunks[constants.TYPE_IHDR]=this._handleIHDR.bind(this);this._chunks[constants.TYPE_IEND]=this._handleIEND.bind(this);this._chunks[constants.TYPE_IDAT]=this._handleIDAT.bind(this);this._chunks[constants.TYPE_PLTE]=this._handlePLTE.bind(this);this._chunks[constants.TYPE_tRNS]=this._handleTRNS.bind(this);this._chunks[constants.TYPE_gAMA]=this._handleGAMA.bind(this);this.read=dependencies.read;this.error=dependencies.error;this.metadata=dependencies.metadata;this.gamma=dependencies.gamma;this.transColor=dependencies.transColor;this.palette=dependencies.palette;this.parsed=dependencies.parsed;this.inflateData=dependencies.inflateData;this.inflateData=dependencies.inflateData;this.finished=dependencies.finished};Parser.prototype.start=function(){this.read(constants.PNG_SIGNATURE.length,this._parseSignature.bind(this))};Parser.prototype._parseSignature=function(data){var signature=constants.PNG_SIGNATURE;for(var i=0;i<signature.length;i++){if(data[i]!==signature[i]){this.error(new Error("Invalid file signature"));return}}this.read(8,this._parseChunkBegin.bind(this))};Parser.prototype._parseChunkBegin=function(data){var length=data.readUInt32BE(0);var type=data.readUInt32BE(4);var name="";for(var i=4;i<8;i++){name+=String.fromCharCode(data[i])}var ancillary=Boolean(data[4]&32);if(!this._hasIHDR&&type!==constants.TYPE_IHDR){this.error(new Error("Expected IHDR on beggining"));return}this._crc=new CrcCalculator;this._crc.write(new Buffer(name));if(this._chunks[type]){return this._chunks[type](length)}if(!ancillary){this.error(new Error("Unsupported critical chunk type "+name));return}this.read(length+4,this._skipChunk.bind(this))};Parser.prototype._skipChunk=function(){this.read(8,this._parseChunkBegin.bind(this))};Parser.prototype._handleChunkEnd=function(){this.read(4,this._parseChunkEnd.bind(this))};Parser.prototype._parseChunkEnd=function(data){var fileCrc=data.readInt32BE(0);var calcCrc=this._crc.crc32();if(this._options.checkCRC&&calcCrc!==fileCrc){this.error(new Error("Crc error - "+fileCrc+" - "+calcCrc));return}if(!this._hasIEND){this.read(8,this._parseChunkBegin.bind(this))}};Parser.prototype._handleIHDR=function(length){this.read(length,this._parseIHDR.bind(this))};Parser.prototype._parseIHDR=function(data){this._crc.write(data);var width=data.readUInt32BE(0);var height=data.readUInt32BE(4);var depth=data[8];var colorType=data[9];var compr=data[10];var filter=data[11];var interlace=data[12];if(depth!==8&&depth!==4&&depth!==2&&depth!==1&&depth!==16){this.error(new Error("Unsupported bit depth "+depth));return}if(!(colorType in constants.COLORTYPE_TO_BPP_MAP)){this.error(new Error("Unsupported color type"));return}if(compr!==0){this.error(new Error("Unsupported compression method"));return}if(filter!==0){this.error(new Error("Unsupported filter method"));return}if(interlace!==0&&interlace!==1){this.error(new Error("Unsupported interlace method"));return}this._colorType=colorType;var bpp=constants.COLORTYPE_TO_BPP_MAP[this._colorType];this._hasIHDR=true;this.metadata({width:width,height:height,depth:depth,interlace:Boolean(interlace),palette:Boolean(colorType&constants.COLORTYPE_PALETTE),color:Boolean(colorType&constants.COLORTYPE_COLOR),alpha:Boolean(colorType&constants.COLORTYPE_ALPHA),bpp:bpp,colorType:colorType});this._handleChunkEnd()};Parser.prototype._handlePLTE=function(length){this.read(length,this._parsePLTE.bind(this))};Parser.prototype._parsePLTE=function(data){this._crc.write(data);var entries=Math.floor(data.length/3);for(var i=0;i<entries;i++){this._palette.push([data[i*3],data[i*3+1],data[i*3+2],255])}this.palette(this._palette);this._handleChunkEnd()};Parser.prototype._handleTRNS=function(length){this.read(length,this._parseTRNS.bind(this))};Parser.prototype._parseTRNS=function(data){this._crc.write(data);if(this._colorType===constants.COLORTYPE_PALETTE_COLOR){if(this._palette.length===0){this.error(new Error("Transparency chunk must be after palette"));return}if(data.length>this._palette.length){this.error(new Error("More transparent colors than palette size"));return}for(var i=0;i<data.length;i++){this._palette[i][3]=data[i]}this.palette(this._palette)}if(this._colorType===constants.COLORTYPE_GRAYSCALE){this.transColor([data.readUInt16BE(0)])}if(this._colorType===constants.COLORTYPE_COLOR){this.transColor([data.readUInt16BE(0),data.readUInt16BE(2),data.readUInt16BE(4)])}this._handleChunkEnd()};Parser.prototype._handleGAMA=function(length){this.read(length,this._parseGAMA.bind(this))};Parser.prototype._parseGAMA=function(data){this._crc.write(data);this.gamma(data.readUInt32BE(0)/constants.GAMMA_DIVISION);this._handleChunkEnd()};Parser.prototype._handleIDAT=function(length){this.read(-length,this._parseIDAT.bind(this,length))};Parser.prototype._parseIDAT=function(length,data){this._crc.write(data);if(this._colorType===constants.COLORTYPE_PALETTE_COLOR&&this._palette.length===0){throw new Error("Expected palette not found")}this.inflateData(data);var leftOverLength=length-data.length;if(leftOverLength>0){this._handleIDAT(leftOverLength)}else{this._handleChunkEnd()}};Parser.prototype._handleIEND=function(length){this.read(length,this._parseIEND.bind(this))};Parser.prototype._parseIEND=function(data){this._crc.write(data);this._hasIEND=true;this._handleChunkEnd();if(this.finished){this.finished()}}}).call(this,require("buffer").Buffer)},{"./constants":48,"./crc":49,buffer:16}],63:[function(require,module,exports){"use strict";var parse=require("./parser-sync");var pack=require("./packer-sync");exports.read=function(buffer,options){return parse(buffer,options||{})};exports.write=function(png){return pack(png)}},{"./packer-sync":57,"./parser-sync":61}],64:[function(require,module,exports){"use strict";var SyncReader=module.exports=function(buffer){this._buffer=buffer;this._reads=[]};SyncReader.prototype.read=function(length,callback){this._reads.push({length:Math.abs(length),allowLess:length<0,func:callback})};SyncReader.prototype.process=function(){while(this._reads.length>0&&this._buffer.length){var read=this._reads[0];if(this._buffer.length&&(this._buffer.length>=read.length||read.allowLess)){this._reads.shift();var buf=this._buffer;this._buffer=buf.slice(read.length);read.func.call(this,buf.slice(0,read.length))}else{break}}if(this._reads.length>0){return new Error("There are some read requests waitng on finished stream")}if(this._buffer.length>0){return new Error("unrecognised content at end of stream")}}},{}],pngjs:[function(require,module,exports){(function(process,Buffer){"use strict";var util=require("util");var Stream=require("stream");var Parser=require("./parser-async");var Packer=require("./packer-async");var PNGSync=require("./png-sync");var PNG=exports.PNG=function(options){Stream.call(this);options=options||{};this.width=options.width|0;this.height=options.height|0;this.data=this.width>0&&this.height>0?new Buffer(4*this.width*this.height):null;if(options.fill&&this.data){this.data.fill(0)}this.gamma=0;this.readable=this.writable=true;this._parser=new Parser(options);this._parser.on("error",this.emit.bind(this,"error"));this._parser.on("close",this._handleClose.bind(this));this._parser.on("metadata",this._metadata.bind(this));this._parser.on("gamma",this._gamma.bind(this));this._parser.on("parsed",function(data){this.data=data;this.emit("parsed",data)}.bind(this));this._packer=new Packer(options);this._packer.on("data",this.emit.bind(this,"data"));this._packer.on("end",this.emit.bind(this,"end"));this._parser.on("close",this._handleClose.bind(this));this._packer.on("error",this.emit.bind(this,"error"))};util.inherits(PNG,Stream);PNG.sync=PNGSync;PNG.prototype.pack=function(){if(!this.data||!this.data.length){this.emit("error","No data provided");return this}process.nextTick(function(){this._packer.pack(this.data,this.width,this.height,this.gamma)}.bind(this));return this};PNG.prototype.parse=function(data,callback){if(callback){var onParsed,onError;onParsed=function(parsedData){this.removeListener("error",onError);this.data=parsedData;callback(null,this)}.bind(this);onError=function(err){this.removeListener("parsed",onParsed);callback(err,null)}.bind(this);this.once("parsed",onParsed);this.once("error",onError)}this.end(data);return this};PNG.prototype.write=function(data){this._parser.write(data);return true};PNG.prototype.end=function(data){this._parser.end(data)};PNG.prototype._metadata=function(metadata){this.width=metadata.width;this.height=metadata.height;this.emit("metadata",metadata)};PNG.prototype._gamma=function(gamma){this.gamma=gamma};PNG.prototype._handleClose=function(){if(!this._parser.writable&&!this._packer.readable){this.emit("close")}};PNG.bitblt=function(src,dst,srcX,srcY,width,height,deltaX,deltaY){srcX|=0;srcY|=0;width|=0;height|=0;deltaX|=0;deltaY|=0;if(srcX>src.width||srcY>src.height||srcX+width>src.width||srcY+height>src.height){throw new Error("bitblt reading outside image")}if(deltaX>dst.width||deltaY>dst.height||deltaX+width>dst.width||deltaY+height>dst.height){throw new Error("bitblt writing outside image")}for(var y=0;y<height;y++){src.data.copy(dst.data,(deltaY+y)*dst.width+deltaX<<2,(srcY+y)*src.width+srcX<<2,(srcY+y)*src.width+srcX+width<<2)}};PNG.prototype.bitblt=function(dst,srcX,srcY,width,height,deltaX,deltaY){PNG.bitblt(this,dst,srcX,srcY,width,height,deltaX,deltaY);return this};PNG.adjustGamma=function(src){if(src.gamma){for(var y=0;y<src.height;y++){for(var x=0;x<src.width;x++){var idx=src.width*y+x<<2;for(var i=0;i<3;i++){var sample=src.data[idx+i]/255;sample=Math.pow(sample,1/2.2/src.gamma);src.data[idx+i]=Math.round(sample*255)}}}src.gamma=0}};PNG.prototype.adjustGamma=function(){PNG.adjustGamma(this)}}).call(this,require("_process"),require("buffer").Buffer)},{"./packer-async":56,"./parser-async":60,"./png-sync":63,_process:23,buffer:16,stream:40,util:44}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({pixelmatch:[function(require,module,exports){"use strict";module.exports=pixelmatch;function pixelmatch(img1,img2,output,width,height,options){if(!options)options={};var threshold=options.threshold===undefined?.1:options.threshold;var maxDelta=35215*threshold*threshold,diff=0;for(var y=0;y<height;y++){for(var x=0;x<width;x++){var pos=(y*width+x)*4;var delta=colorDelta(img1,img2,pos,pos);if(delta>maxDelta){if(!options.includeAA&&(antialiased(img1,x,y,width,height,img2)||antialiased(img2,x,y,width,height,img1))){if(output)drawPixel(output,pos,255,255,0)}else{if(output)drawPixel(output,pos,255,0,0);diff++}}else if(output){var val=blend(grayPixel(img1,pos),.1);drawPixel(output,pos,val,val,val)}}}return diff}function antialiased(img,x1,y1,width,height,img2){var x0=Math.max(x1-1,0),y0=Math.max(y1-1,0),x2=Math.min(x1+1,width-1),y2=Math.min(y1+1,height-1),pos=(y1*width+x1)*4,zeroes=0,positives=0,negatives=0,min=0,max=0,minX,minY,maxX,maxY;for(var x=x0;x<=x2;x++){for(var y=y0;y<=y2;y++){if(x===x1&&y===y1)continue;var delta=colorDelta(img,img,pos,(y*width+x)*4,true);if(delta===0)zeroes++;else if(delta<0)negatives++;else if(delta>0)positives++;if(zeroes>2)return false;if(!img2)continue;if(delta<min){min=delta;minX=x;minY=y}if(delta>max){max=delta;maxX=x;maxY=y}}}if(!img2)return true;if(negatives===0||positives===0)return false;return!antialiased(img,minX,minY,width,height)&&!antialiased(img2,minX,minY,width,height)||!antialiased(img,maxX,maxY,width,height)&&!antialiased(img2,maxX,maxY,width,height)}function colorDelta(img1,img2,k,m,yOnly){var a1=img1[k+3]/255,a2=img2[m+3]/255,r1=blend(img1[k+0],a1),g1=blend(img1[k+1],a1),b1=blend(img1[k+2],a1),r2=blend(img2[m+0],a2),g2=blend(img2[m+1],a2),b2=blend(img2[m+2],a2),y=rgb2y(r1,g1,b1)-rgb2y(r2,g2,b2);if(yOnly)return y;var i=rgb2i(r1,g1,b1)-rgb2i(r2,g2,b2),q=rgb2q(r1,g1,b1)-rgb2q(r2,g2,b2);return.5053*y*y+.299*i*i+.1957*q*q}function rgb2y(r,g,b){return r*.29889531+g*.58662247+b*.11448223}function rgb2i(r,g,b){return r*.59597799-g*.2741761-b*.32180189}function rgb2q(r,g,b){return r*.21147017-g*.52261711+b*.31114694}function blend(c,a){return 255+(c-255)*a}function drawPixel(output,pos,r,g,b){output[pos+0]=r;output[pos+1]=g;output[pos+2]=b;output[pos+3]=255}function grayPixel(img,i){var a=img[i+3]/255,r=blend(img[i+0],a),g=blend(img[i+1],a),b=blend(img[i+2],a);return rgb2y(r,g,b)}},{}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){},{}],2:[function(require,module,exports){(function(global){"use strict";var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("isarray");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.TYPED_ARRAY_SUPPORT=global.TYPED_ARRAY_SUPPORT!==undefined?global.TYPED_ARRAY_SUPPORT:typedArraySupport();exports.kMaxLength=kMaxLength();function typedArraySupport(){try{var arr=new Uint8Array(1);arr.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}};return arr.foo()===42&&typeof arr.subarray==="function"&&arr.subarray(1,1).byteLength===0}catch(e){return false}}function kMaxLength(){return Buffer.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function createBuffer(that,length){if(kMaxLength()<length){throw new RangeError("Invalid typed array length")}if(Buffer.TYPED_ARRAY_SUPPORT){that=new Uint8Array(length);that.__proto__=Buffer.prototype}else{if(that===null){that=new Buffer(length)}that.length=length}return that}function Buffer(arg,encodingOrOffset,length){if(!Buffer.TYPED_ARRAY_SUPPORT&&!(this instanceof Buffer)){return new Buffer(arg,encodingOrOffset,length)}if(typeof arg==="number"){if(typeof encodingOrOffset==="string"){throw new Error("If encoding is specified then the first argument must be a string")}return allocUnsafe(this,arg)}return from(this,arg,encodingOrOffset,length)}Buffer.poolSize=8192;Buffer._augment=function(arr){arr.__proto__=Buffer.prototype;return arr};function from(that,value,encodingOrOffset,length){if(typeof value==="number"){throw new TypeError('"value" argument must not be a number')}if(typeof ArrayBuffer!=="undefined"&&value instanceof ArrayBuffer){return fromArrayBuffer(that,value,encodingOrOffset,length)}if(typeof value==="string"){return fromString(that,value,encodingOrOffset)}return fromObject(that,value)}Buffer.from=function(value,encodingOrOffset,length){return from(null,value,encodingOrOffset,length)};if(Buffer.TYPED_ARRAY_SUPPORT){Buffer.prototype.__proto__=Uint8Array.prototype;Buffer.__proto__=Uint8Array;if(typeof Symbol!=="undefined"&&Symbol.species&&Buffer[Symbol.species]===Buffer){Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:true})}}function assertSize(size){if(typeof size!=="number"){throw new TypeError('"size" argument must be a number')}else if(size<0){throw new RangeError('"size" argument must not be negative')}}function alloc(that,size,fill,encoding){assertSize(size);if(size<=0){return createBuffer(that,size)}if(fill!==undefined){return typeof encoding==="string"?createBuffer(that,size).fill(fill,encoding):createBuffer(that,size).fill(fill)}return createBuffer(that,size)}Buffer.alloc=function(size,fill,encoding){return alloc(null,size,fill,encoding)};function allocUnsafe(that,size){assertSize(size);that=createBuffer(that,size<0?0:checked(size)|0);if(!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<size;++i){that[i]=0}}return that}Buffer.allocUnsafe=function(size){return allocUnsafe(null,size)};Buffer.allocUnsafeSlow=function(size){return allocUnsafe(null,size)};function fromString(that,string,encoding){if(typeof encoding!=="string"||encoding===""){encoding="utf8"}if(!Buffer.isEncoding(encoding)){throw new TypeError('"encoding" must be a valid string encoding')}var length=byteLength(string,encoding)|0;that=createBuffer(that,length);var actual=that.write(string,encoding); | |
| if(actual!==length){that=that.slice(0,actual)}return that}function fromArrayLike(that,array){var length=array.length<0?0:checked(array.length)|0;that=createBuffer(that,length);for(var i=0;i<length;i+=1){that[i]=array[i]&255}return that}function fromArrayBuffer(that,array,byteOffset,length){array.byteLength;if(byteOffset<0||array.byteLength<byteOffset){throw new RangeError("'offset' is out of bounds")}if(array.byteLength<byteOffset+(length||0)){throw new RangeError("'length' is out of bounds")}if(byteOffset===undefined&&length===undefined){array=new Uint8Array(array)}else if(length===undefined){array=new Uint8Array(array,byteOffset)}else{array=new Uint8Array(array,byteOffset,length)}if(Buffer.TYPED_ARRAY_SUPPORT){that=array;that.__proto__=Buffer.prototype}else{that=fromArrayLike(that,array)}return that}function fromObject(that,obj){if(Buffer.isBuffer(obj)){var len=checked(obj.length)|0;that=createBuffer(that,len);if(that.length===0){return that}obj.copy(that,0,0,len);return that}if(obj){if(typeof ArrayBuffer!=="undefined"&&obj.buffer instanceof ArrayBuffer||"length"in obj){if(typeof obj.length!=="number"||isnan(obj.length)){return createBuffer(that,0)}return fromArrayLike(that,obj)}if(obj.type==="Buffer"&&isArray(obj.data)){return fromArrayLike(that,obj.data)}}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}function checked(length){if(length>=kMaxLength()){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength().toString(16)+" bytes")}return length|0}function SlowBuffer(length){if(+length!=length){length=0}return Buffer.alloc(+length)}Buffer.isBuffer=function isBuffer(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function compare(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b)){throw new TypeError("Arguments must be Buffers")}if(a===b)return 0;var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len;++i){if(a[i]!==b[i]){x=a[i];y=b[i];break}}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function isEncoding(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function concat(list,length){if(!isArray(list)){throw new TypeError('"list" argument must be an Array of Buffers')}if(list.length===0){return Buffer.alloc(0)}var i;if(length===undefined){length=0;for(i=0;i<list.length;++i){length+=list[i].length}}var buffer=Buffer.allocUnsafe(length);var pos=0;for(i=0;i<list.length;++i){var buf=list[i];if(!Buffer.isBuffer(buf)){throw new TypeError('"list" argument must be an Array of Buffers')}buf.copy(buffer,pos);pos+=buf.length}return buffer};function byteLength(string,encoding){if(Buffer.isBuffer(string)){return string.length}if(typeof ArrayBuffer!=="undefined"&&typeof ArrayBuffer.isView==="function"&&(ArrayBuffer.isView(string)||string instanceof ArrayBuffer)){return string.byteLength}if(typeof string!=="string"){string=""+string}var len=string.length;if(len===0)return 0;var loweredCase=false;for(;;){switch(encoding){case"ascii":case"latin1":case"binary":return len;case"utf8":case"utf-8":case undefined:return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return len*2;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase)return utf8ToBytes(string).length;encoding=(""+encoding).toLowerCase();loweredCase=true}}}Buffer.byteLength=byteLength;function slowToString(encoding,start,end){var loweredCase=false;if(start===undefined||start<0){start=0}if(start>this.length){return""}if(end===undefined||end>this.length){end=this.length}if(end<=0){return""}end>>>=0;start>>>=0;if(end<=start){return""}if(!encoding)encoding="utf8";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"latin1":case"binary":return latin1Slice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}}Buffer.prototype._isBuffer=true;function swap(b,n,m){var i=b[n];b[n]=b[m];b[m]=i}Buffer.prototype.swap16=function swap16(){var len=this.length;if(len%2!==0){throw new RangeError("Buffer size must be a multiple of 16-bits")}for(var i=0;i<len;i+=2){swap(this,i,i+1)}return this};Buffer.prototype.swap32=function swap32(){var len=this.length;if(len%4!==0){throw new RangeError("Buffer size must be a multiple of 32-bits")}for(var i=0;i<len;i+=4){swap(this,i,i+3);swap(this,i+1,i+2)}return this};Buffer.prototype.swap64=function swap64(){var len=this.length;if(len%8!==0){throw new RangeError("Buffer size must be a multiple of 64-bits")}for(var i=0;i<len;i+=8){swap(this,i,i+7);swap(this,i+1,i+6);swap(this,i+2,i+5);swap(this,i+3,i+4)}return this};Buffer.prototype.toString=function toString(){var length=this.length|0;if(length===0)return"";if(arguments.length===0)return utf8Slice(this,0,length);return slowToString.apply(this,arguments)};Buffer.prototype.equals=function equals(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");if(this===b)return true;return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function inspect(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function compare(target,start,end,thisStart,thisEnd){if(!Buffer.isBuffer(target)){throw new TypeError("Argument must be a Buffer")}if(start===undefined){start=0}if(end===undefined){end=target?target.length:0}if(thisStart===undefined){thisStart=0}if(thisEnd===undefined){thisEnd=this.length}if(start<0||end>target.length||thisStart<0||thisEnd>this.length){throw new RangeError("out of range index")}if(thisStart>=thisEnd&&start>=end){return 0}if(thisStart>=thisEnd){return-1}if(start>=end){return 1}start>>>=0;end>>>=0;thisStart>>>=0;thisEnd>>>=0;if(this===target)return 0;var x=thisEnd-thisStart;var y=end-start;var len=Math.min(x,y);var thisCopy=this.slice(thisStart,thisEnd);var targetCopy=target.slice(start,end);for(var i=0;i<len;++i){if(thisCopy[i]!==targetCopy[i]){x=thisCopy[i];y=targetCopy[i];break}}if(x<y)return-1;if(y<x)return 1;return 0};function bidirectionalIndexOf(buffer,val,byteOffset,encoding,dir){if(buffer.length===0)return-1;if(typeof byteOffset==="string"){encoding=byteOffset;byteOffset=0}else if(byteOffset>2147483647){byteOffset=2147483647}else if(byteOffset<-2147483648){byteOffset=-2147483648}byteOffset=+byteOffset;if(isNaN(byteOffset)){byteOffset=dir?0:buffer.length-1}if(byteOffset<0)byteOffset=buffer.length+byteOffset;if(byteOffset>=buffer.length){if(dir)return-1;else byteOffset=buffer.length-1}else if(byteOffset<0){if(dir)byteOffset=0;else return-1}if(typeof val==="string"){val=Buffer.from(val,encoding)}if(Buffer.isBuffer(val)){if(val.length===0){return-1}return arrayIndexOf(buffer,val,byteOffset,encoding,dir)}else if(typeof val==="number"){val=val&255;if(Buffer.TYPED_ARRAY_SUPPORT&&typeof Uint8Array.prototype.indexOf==="function"){if(dir){return Uint8Array.prototype.indexOf.call(buffer,val,byteOffset)}else{return Uint8Array.prototype.lastIndexOf.call(buffer,val,byteOffset)}}return arrayIndexOf(buffer,[val],byteOffset,encoding,dir)}throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(arr,val,byteOffset,encoding,dir){var indexSize=1;var arrLength=arr.length;var valLength=val.length;if(encoding!==undefined){encoding=String(encoding).toLowerCase();if(encoding==="ucs2"||encoding==="ucs-2"||encoding==="utf16le"||encoding==="utf-16le"){if(arr.length<2||val.length<2){return-1}indexSize=2;arrLength/=2;valLength/=2;byteOffset/=2}}function read(buf,i){if(indexSize===1){return buf[i]}else{return buf.readUInt16BE(i*indexSize)}}var i;if(dir){var foundIndex=-1;for(i=byteOffset;i<arrLength;i++){if(read(arr,i)===read(val,foundIndex===-1?0:i-foundIndex)){if(foundIndex===-1)foundIndex=i;if(i-foundIndex+1===valLength)return foundIndex*indexSize}else{if(foundIndex!==-1)i-=i-foundIndex;foundIndex=-1}}}else{if(byteOffset+valLength>arrLength)byteOffset=arrLength-valLength;for(i=byteOffset;i>=0;i--){var found=true;for(var j=0;j<valLength;j++){if(read(arr,i+j)!==read(val,j)){found=false;break}}if(found)return i}}return-1}Buffer.prototype.includes=function includes(val,byteOffset,encoding){return this.indexOf(val,byteOffset,encoding)!==-1};Buffer.prototype.indexOf=function indexOf(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,true)};Buffer.prototype.lastIndexOf=function lastIndexOf(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,false)};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new TypeError("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;++i){var parsed=parseInt(string.substr(i*2,2),16);if(isNaN(parsed))return i;buf[offset+i]=parsed}return i}function utf8Write(buf,string,offset,length){return blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length)}function asciiWrite(buf,string,offset,length){return blitBuffer(asciiToBytes(string),buf,offset,length)}function latin1Write(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){return blitBuffer(base64ToBytes(string),buf,offset,length)}function ucs2Write(buf,string,offset,length){return blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length)}Buffer.prototype.write=function write(string,offset,length,encoding){if(offset===undefined){encoding="utf8";length=this.length;offset=0}else if(length===undefined&&typeof offset==="string"){encoding=offset;length=this.length;offset=0}else if(isFinite(offset)){offset=offset|0;if(isFinite(length)){length=length|0;if(encoding===undefined)encoding="utf8"}else{encoding=length;length=undefined}}else{throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported")}var remaining=this.length-offset;if(length===undefined||length>remaining)length=remaining;if(string.length>0&&(length<0||offset<0)||offset>this.length){throw new RangeError("Attempt to write outside buffer bounds")}if(!encoding)encoding="utf8";var loweredCase=false;for(;;){switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"latin1":case"binary":return latin1Write(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase();loweredCase=true}}};Buffer.prototype.toJSON=function toJSON(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);var res=[];var i=start;while(i<end){var firstByte=buf[i];var codePoint=null;var bytesPerSequence=firstByte>239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:if(firstByte<128){codePoint=firstByte}break;case 2:secondByte=buf[i+1];if((secondByte&192)===128){tempCodePoint=(firstByte&31)<<6|secondByte&63;if(tempCodePoint>127){codePoint=tempCodePoint}}break;case 3:secondByte=buf[i+1];thirdByte=buf[i+2];if((secondByte&192)===128&&(thirdByte&192)===128){tempCodePoint=(firstByte&15)<<12|(secondByte&63)<<6|thirdByte&63;if(tempCodePoint>2047&&(tempCodePoint<55296||tempCodePoint>57343)){codePoint=tempCodePoint}}break;case 4:secondByte=buf[i+1];thirdByte=buf[i+2];fourthByte=buf[i+3];if((secondByte&192)===128&&(thirdByte&192)===128&&(fourthByte&192)===128){tempCodePoint=(firstByte&15)<<18|(secondByte&63)<<12|(thirdByte&63)<<6|fourthByte&63;if(tempCodePoint>65535&&tempCodePoint<1114112){codePoint=tempCodePoint}}}}if(codePoint===null){codePoint=65533;bytesPerSequence=1}else if(codePoint>65535){codePoint-=65536;res.push(codePoint>>>10&1023|55296);codePoint=56320|codePoint&1023}res.push(codePoint);i+=bytesPerSequence}return decodeCodePointsArray(res)}var MAX_ARGUMENTS_LENGTH=4096;function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH){return String.fromCharCode.apply(String,codePoints)}var res="";var i=0;while(i<len){res+=String.fromCharCode.apply(String,codePoints.slice(i,i+=MAX_ARGUMENTS_LENGTH))}return res}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;++i){ret+=String.fromCharCode(buf[i]&127)}return ret}function latin1Slice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;++i){ret+=String.fromCharCode(buf[i])}return ret}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;++i){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function slice(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=this.subarray(start,end);newBuf.__proto__=Buffer.prototype}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined);for(var i=0;i<sliceLen;++i){newBuf[i]=this[i+start]}}return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function readUIntLE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}return val};Buffer.prototype.readUIntBE=function readUIntBE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert){checkOffset(offset,byteLength,this.length)}var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256)){val+=this[offset+--byteLength]*mul}return val};Buffer.prototype.readUInt8=function readUInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function readUInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function readIntLE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function readIntBE(offset,byteLength,noAssert){offset=offset|0;byteLength=byteLength|0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256)){val+=this[offset+--i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function readInt8(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function readInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function readInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function readInt32LE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function readInt32BE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function readFloatLE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError('"buffer" argument must be a Buffer instance');if(value>max||value<min)throw new RangeError('"value" argument is out of bounds');if(offset+ext>buf.length)throw new RangeError("Index out of range")}Buffer.prototype.writeUIntLE=function writeUIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUIntBE=function writeUIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;byteLength=byteLength|0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUInt8=function writeUInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,255,0);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value&255;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;++i){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeUInt16BE=function writeUInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;++i){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&255}else{objectWriteUInt32(this,value,offset,true)}return offset+4};Buffer.prototype.writeUInt32BE=function writeUInt32BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}return offset+4};Buffer.prototype.writeIntLE=function writeIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0;var mul=1;var sub=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){if(value<0&&sub===0&&this[offset+i-1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeIntBE=function writeIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset|0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1;var mul=1;var sub=0;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){if(value<0&&sub===0&&this[offset+i+1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeInt8=function writeInt8(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);if(value<0)value=255+value+1;this[offset]=value&255;return offset+1};Buffer.prototype.writeInt16LE=function writeInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}return offset+2};Buffer.prototype.writeInt16BE=function writeInt16BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};Buffer.prototype.writeInt32LE=function writeInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else{objectWriteUInt32(this,value,offset,true)}return offset+4};Buffer.prototype.writeInt32BE=function writeInt32BE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(offset<0)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){if(!noAssert){checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38)}ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function writeFloatLE(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function writeFloatBE(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert){checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308)}ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function writeDoubleLE(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function writeDoubleBE(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function copy(target,targetStart,start,end){if(!start)start=0;if(!end&&end!==0)end=this.length;if(targetStart>=target.length)targetStart=target.length;if(!targetStart)targetStart=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||this.length===0)return 0;if(targetStart<0){throw new RangeError("targetStart out of bounds")}if(start<0||start>=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-targetStart<end-start){end=target.length-targetStart+start}var len=end-start;var i;if(this===target&&start<targetStart&&targetStart<end){for(i=len-1;i>=0;--i){target[i+targetStart]=this[i+start]}}else if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(i=0;i<len;++i){target[i+targetStart]=this[i+start]}}else{Uint8Array.prototype.set.call(target,this.subarray(start,start+len),targetStart)}return len};Buffer.prototype.fill=function fill(val,start,end,encoding){if(typeof val==="string"){if(typeof start==="string"){encoding=start;start=0;end=this.length}else if(typeof end==="string"){encoding=end;end=this.length}if(val.length===1){var code=val.charCodeAt(0);if(code<256){val=code}}if(encoding!==undefined&&typeof encoding!=="string"){throw new TypeError("encoding must be a string")}if(typeof encoding==="string"&&!Buffer.isEncoding(encoding)){throw new TypeError("Unknown encoding: "+encoding)}}else if(typeof val==="number"){val=val&255}if(start<0||this.length<start||this.length<end){throw new RangeError("Out of range index")}if(end<=start){return this}start=start>>>0;end=end===undefined?this.length:end>>>0;if(!val)val=0;var i;if(typeof val==="number"){for(i=start;i<end;++i){this[i]=val}}else{var bytes=Buffer.isBuffer(val)?val:utf8ToBytes(new Buffer(val,encoding).toString());var len=bytes.length;for(i=0;i<end-start;++i){this[i+start]=bytes[i%len]}}return this};var INVALID_BASE64_RE=/[^+\/0-9A-Za-z-_]/g;function base64clean(str){str=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){units=units||Infinity;var codePoint;var length=string.length;var leadSurrogate=null;var bytes=[];for(var i=0;i<length;++i){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189)}leadSurrogate=null;if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<1114112){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;++i){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;++i){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i<length;++i){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function isnan(val){return val!==val}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"base64-js":3,ieee754:4,isarray:5}],3:[function(require,module,exports){"use strict";exports.byteLength=byteLength;exports.toByteArray=toByteArray;exports.fromByteArray=fromByteArray;var lookup=[];var revLookup=[];var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";for(var i=0,len=code.length;i<len;++i){lookup[i]=code[i];revLookup[code.charCodeAt(i)]=i}revLookup["-".charCodeAt(0)]=62;revLookup["_".charCodeAt(0)]=63;function placeHoldersCount(b64){var len=b64.length;if(len%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}return b64[len-2]==="="?2:b64[len-1]==="="?1:0}function byteLength(b64){return b64.length*3/4-placeHoldersCount(b64)}function toByteArray(b64){var i,j,l,tmp,placeHolders,arr;var len=b64.length;placeHolders=placeHoldersCount(b64);arr=new Arr(len*3/4-placeHolders);l=placeHolders>0?len-4:len;var L=0;for(i=0,j=0;i<l;i+=4,j+=3){tmp=revLookup[b64.charCodeAt(i)]<<18|revLookup[b64.charCodeAt(i+1)]<<12|revLookup[b64.charCodeAt(i+2)]<<6|revLookup[b64.charCodeAt(i+3)];arr[L++]=tmp>>16&255;arr[L++]=tmp>>8&255;arr[L++]=tmp&255}if(placeHolders===2){tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4;arr[L++]=tmp&255}else if(placeHolders===1){tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2;arr[L++]=tmp>>8&255;arr[L++]=tmp&255}return arr}function tripletToBase64(num){return lookup[num>>18&63]+lookup[num>>12&63]+lookup[num>>6&63]+lookup[num&63]}function encodeChunk(uint8,start,end){var tmp;var output=[];for(var i=start;i<end;i+=3){tmp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output.push(tripletToBase64(tmp))}return output.join("")}function fromByteArray(uint8){var tmp;var len=uint8.length;var extraBytes=len%3;var output="";var parts=[];var maxChunkLength=16383;for(var i=0,len2=len-extraBytes;i<len2;i+=maxChunkLength){parts.push(encodeChunk(uint8,i,i+maxChunkLength>len2?len2:i+maxChunkLength))}if(extraBytes===1){tmp=uint8[len-1];output+=lookup[tmp>>2];output+=lookup[tmp<<4&63];output+="=="}else if(extraBytes===2){tmp=(uint8[len-2]<<8)+uint8[len-1];output+=lookup[tmp>>10];output+=lookup[tmp>>4&63];output+=lookup[tmp<<2&63];output+="="}parts.push(output);return parts.join("")}},{}],4:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var nBits=-7;var i=isLE?nBytes-1:0;var d=isLE?-1:1;var s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8){}m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8){}if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0;var i=isLE?0:nBytes-1;var d=isLE?1:-1; | |
| var s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8){}e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8){}buffer[offset+i-d]|=s*128}},{}],5:[function(require,module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return toString.call(arr)=="[object Array]"}},{}],6:[function(require,module,exports){function EventEmitter(){this._events=this._events||{};this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;EventEmitter.defaultMaxListeners=10;EventEmitter.prototype.setMaxListeners=function(n){if(!isNumber(n)||n<0||isNaN(n))throw TypeError("n must be a positive number");this._maxListeners=n;return this};EventEmitter.prototype.emit=function(type){var er,handler,len,args,i,listeners;if(!this._events)this._events={};if(type==="error"){if(!this._events.error||isObject(this._events.error)&&!this._events.error.length){er=arguments[1];if(er instanceof Error){throw er}else{var err=new Error('Uncaught, unspecified "error" event. ('+er+")");err.context=er;throw err}}}handler=this._events[type];if(isUndefined(handler))return false;if(isFunction(handler)){switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:args=Array.prototype.slice.call(arguments,1);handler.apply(this,args)}}else if(isObject(handler)){args=Array.prototype.slice.call(arguments,1);listeners=handler.slice();len=listeners.length;for(i=0;i<len;i++)listeners[i].apply(this,args)}return true};EventEmitter.prototype.addListener=function(type,listener){var m;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events)this._events={};if(this._events.newListener)this.emit("newListener",type,isFunction(listener.listener)?listener.listener:listener);if(!this._events[type])this._events[type]=listener;else if(isObject(this._events[type]))this._events[type].push(listener);else this._events[type]=[this._events[type],listener];if(isObject(this._events[type])&&!this._events[type].warned){if(!isUndefined(this._maxListeners)){m=this._maxListeners}else{m=EventEmitter.defaultMaxListeners}if(m&&m>0&&this._events[type].length>m){this._events[type].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[type].length);if(typeof console.trace==="function"){console.trace()}}}return this};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.once=function(type,listener){if(!isFunction(listener))throw TypeError("listener must be a function");var fired=false;function g(){this.removeListener(type,g);if(!fired){fired=true;listener.apply(this,arguments)}}g.listener=listener;this.on(type,g);return this};EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;list=this._events[type];length=list.length;position=-1;if(list===listener||isFunction(list.listener)&&list.listener===listener){delete this._events[type];if(this._events.removeListener)this.emit("removeListener",type,listener)}else if(isObject(list)){for(i=length;i-- >0;){if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}}if(position<0)return this;if(list.length===1){list.length=0;delete this._events[type]}else{list.splice(position,1)}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else if(listeners){while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return this};EventEmitter.prototype.listeners=function(type){var ret;if(!this._events||!this._events[type])ret=[];else if(isFunction(this._events[type]))ret=[this._events[type]];else ret=this._events[type].slice();return ret};EventEmitter.prototype.listenerCount=function(type){if(this._events){var evlistener=this._events[type];if(isFunction(evlistener))return 1;else if(evlistener)return evlistener.length}return 0};EventEmitter.listenerCount=function(emitter,type){return emitter.listenerCount(type)};function isFunction(arg){return typeof arg==="function"}function isNumber(arg){return typeof arg==="number"}function isObject(arg){return typeof arg==="object"&&arg!==null}function isUndefined(arg){return arg===void 0}},{}],7:[function(require,module,exports){var http=require("http");var https=module.exports;for(var key in http){if(http.hasOwnProperty(key))https[key]=http[key]}https.request=function(params,cb){if(!params)params={};params.scheme="https";params.protocol="https:";return http.request.call(this,params,cb)}},{http:27}],8:[function(require,module,exports){if(typeof Object.create==="function"){module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})}}else{module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype;ctor.prototype=new TempCtor;ctor.prototype.constructor=ctor}}},{}],9:[function(require,module,exports){module.exports=function(obj){return obj!=null&&(isBuffer(obj)||isSlowBuffer(obj)||!!obj._isBuffer)};function isBuffer(obj){return!!obj.constructor&&typeof obj.constructor.isBuffer==="function"&&obj.constructor.isBuffer(obj)}function isSlowBuffer(obj){return typeof obj.readFloatLE==="function"&&typeof obj.slice==="function"&&isBuffer(obj.slice(0,0))}},{}],10:[function(require,module,exports){var process=module.exports={};var cachedSetTimeout;var cachedClearTimeout;function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}(function(){try{if(typeof setTimeout==="function"){cachedSetTimeout=setTimeout}else{cachedSetTimeout=defaultSetTimout}}catch(e){cachedSetTimeout=defaultSetTimout}try{if(typeof clearTimeout==="function"){cachedClearTimeout=clearTimeout}else{cachedClearTimeout=defaultClearTimeout}}catch(e){cachedClearTimeout=defaultClearTimeout}})();function runTimeout(fun){if(cachedSetTimeout===setTimeout){return setTimeout(fun,0)}if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout){cachedSetTimeout=setTimeout;return setTimeout(fun,0)}try{return cachedSetTimeout(fun,0)}catch(e){try{return cachedSetTimeout.call(null,fun,0)}catch(e){return cachedSetTimeout.call(this,fun,0)}}}function runClearTimeout(marker){if(cachedClearTimeout===clearTimeout){return clearTimeout(marker)}if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout){cachedClearTimeout=clearTimeout;return clearTimeout(marker)}try{return cachedClearTimeout(marker)}catch(e){try{return cachedClearTimeout.call(null,marker)}catch(e){return cachedClearTimeout.call(this,marker)}}}var queue=[];var draining=false;var currentQueue;var queueIndex=-1;function cleanUpNextTick(){if(!draining||!currentQueue){return}draining=false;if(currentQueue.length){queue=currentQueue.concat(queue)}else{queueIndex=-1}if(queue.length){drainQueue()}}function drainQueue(){if(draining){return}var timeout=runTimeout(cleanUpNextTick);draining=true;var len=queue.length;while(len){currentQueue=queue;queue=[];while(++queueIndex<len){if(currentQueue){currentQueue[queueIndex].run()}}queueIndex=-1;len=queue.length}currentQueue=null;draining=false;runClearTimeout(timeout)}process.nextTick=function(fun){var args=new Array(arguments.length-1);if(arguments.length>1){for(var i=1;i<arguments.length;i++){args[i-1]=arguments[i]}}queue.push(new Item(fun,args));if(queue.length===1&&!draining){runTimeout(drainQueue)}};function Item(fun,array){this.fun=fun;this.array=array}Item.prototype.run=function(){this.fun.apply(null,this.array)};process.title="browser";process.browser=true;process.env={};process.argv=[];process.version="";process.versions={};function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")};process.umask=function(){return 0}},{}],11:[function(require,module,exports){(function(global){(function(root){var freeExports=typeof exports=="object"&&exports&&!exports.nodeType&&exports;var freeModule=typeof module=="object"&&module&&!module.nodeType&&module;var freeGlobal=typeof global=="object"&&global;if(freeGlobal.global===freeGlobal||freeGlobal.window===freeGlobal||freeGlobal.self===freeGlobal){root=freeGlobal}var punycode,maxInt=2147483647,base=36,tMin=1,tMax=26,skew=38,damp=700,initialBias=72,initialN=128,delimiter="-",regexPunycode=/^xn--/,regexNonASCII=/[^\x20-\x7E]/,regexSeparators=/[\x2E\u3002\uFF0E\uFF61]/g,errors={overflow:"Overflow: input needs wider integers to process","not-basic":"Illegal input >= 0x80 (not a basic code point)","invalid-input":"Invalid input"},baseMinusTMin=base-tMin,floor=Math.floor,stringFromCharCode=String.fromCharCode,key;function error(type){throw new RangeError(errors[type])}function map(array,fn){var length=array.length;var result=[];while(length--){result[length]=fn(array[length])}return result}function mapDomain(string,fn){var parts=string.split("@");var result="";if(parts.length>1){result=parts[0]+"@";string=parts[1]}string=string.replace(regexSeparators,".");var labels=string.split(".");var encoded=map(labels,fn).join(".");return result+encoded}function ucs2decode(string){var output=[],counter=0,length=string.length,value,extra;while(counter<length){value=string.charCodeAt(counter++);if(value>=55296&&value<=56319&&counter<length){extra=string.charCodeAt(counter++);if((extra&64512)==56320){output.push(((value&1023)<<10)+(extra&1023)+65536)}else{output.push(value);counter--}}else{output.push(value)}}return output}function ucs2encode(array){return map(array,function(value){var output="";if(value>65535){value-=65536;output+=stringFromCharCode(value>>>10&1023|55296);value=56320|value&1023}output+=stringFromCharCode(value);return output}).join("")}function basicToDigit(codePoint){if(codePoint-48<10){return codePoint-22}if(codePoint-65<26){return codePoint-65}if(codePoint-97<26){return codePoint-97}return base}function digitToBasic(digit,flag){return digit+22+75*(digit<26)-((flag!=0)<<5)}function adapt(delta,numPoints,firstTime){var k=0;delta=firstTime?floor(delta/damp):delta>>1;delta+=floor(delta/numPoints);for(;delta>baseMinusTMin*tMax>>1;k+=base){delta=floor(delta/baseMinusTMin)}return floor(k+(baseMinusTMin+1)*delta/(delta+skew))}function decode(input){var output=[],inputLength=input.length,out,i=0,n=initialN,bias=initialBias,basic,j,index,oldi,w,k,digit,t,baseMinusT;basic=input.lastIndexOf(delimiter);if(basic<0){basic=0}for(j=0;j<basic;++j){if(input.charCodeAt(j)>=128){error("not-basic")}output.push(input.charCodeAt(j))}for(index=basic>0?basic+1:0;index<inputLength;){for(oldi=i,w=1,k=base;;k+=base){if(index>=inputLength){error("invalid-input")}digit=basicToDigit(input.charCodeAt(index++));if(digit>=base||digit>floor((maxInt-i)/w)){error("overflow")}i+=digit*w;t=k<=bias?tMin:k>=bias+tMax?tMax:k-bias;if(digit<t){break}baseMinusT=base-t;if(w>floor(maxInt/baseMinusT)){error("overflow")}w*=baseMinusT}out=output.length+1;bias=adapt(i-oldi,out,oldi==0);if(floor(i/out)>maxInt-n){error("overflow")}n+=floor(i/out);i%=out;output.splice(i++,0,n)}return ucs2encode(output)}function encode(input){var n,delta,handledCPCount,basicLength,bias,j,m,q,k,t,currentValue,output=[],inputLength,handledCPCountPlusOne,baseMinusT,qMinusT;input=ucs2decode(input);inputLength=input.length;n=initialN;delta=0;bias=initialBias;for(j=0;j<inputLength;++j){currentValue=input[j];if(currentValue<128){output.push(stringFromCharCode(currentValue))}}handledCPCount=basicLength=output.length;if(basicLength){output.push(delimiter)}while(handledCPCount<inputLength){for(m=maxInt,j=0;j<inputLength;++j){currentValue=input[j];if(currentValue>=n&¤tValue<m){m=currentValue}}handledCPCountPlusOne=handledCPCount+1;if(m-n>floor((maxInt-delta)/handledCPCountPlusOne)){error("overflow")}delta+=(m-n)*handledCPCountPlusOne;n=m;for(j=0;j<inputLength;++j){currentValue=input[j];if(currentValue<n&&++delta>maxInt){error("overflow")}if(currentValue==n){for(q=delta,k=base;;k+=base){t=k<=bias?tMin:k>=bias+tMax?tMax:k-bias;if(q<t){break}qMinusT=q-t;baseMinusT=base-t;output.push(stringFromCharCode(digitToBasic(t+qMinusT%baseMinusT,0)));q=floor(qMinusT/baseMinusT)}output.push(stringFromCharCode(digitToBasic(q,0)));bias=adapt(delta,handledCPCountPlusOne,handledCPCount==basicLength);delta=0;++handledCPCount}}++delta;++n}return output.join("")}function toUnicode(input){return mapDomain(input,function(string){return regexPunycode.test(string)?decode(string.slice(4).toLowerCase()):string})}function toASCII(input){return mapDomain(input,function(string){return regexNonASCII.test(string)?"xn--"+encode(string):string})}punycode={version:"1.4.1",ucs2:{decode:ucs2decode,encode:ucs2encode},decode:decode,encode:encode,toASCII:toASCII,toUnicode:toUnicode};if(typeof define=="function"&&typeof define.amd=="object"&&define.amd){define("punycode",function(){return punycode})}else if(freeExports&&freeModule){if(module.exports==freeExports){freeModule.exports=punycode}else{for(key in punycode){punycode.hasOwnProperty(key)&&(freeExports[key]=punycode[key])}}}else{root.punycode=punycode}})(this)}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],12:[function(require,module,exports){"use strict";function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}module.exports=function(qs,sep,eq,options){sep=sep||"&";eq=eq||"=";var obj={};if(typeof qs!=="string"||qs.length===0){return obj}var regexp=/\+/g;qs=qs.split(sep);var maxKeys=1e3;if(options&&typeof options.maxKeys==="number"){maxKeys=options.maxKeys}var len=qs.length;if(maxKeys>0&&len>maxKeys){len=maxKeys}for(var i=0;i<len;++i){var x=qs[i].replace(regexp,"%20"),idx=x.indexOf(eq),kstr,vstr,k,v;if(idx>=0){kstr=x.substr(0,idx);vstr=x.substr(idx+1)}else{kstr=x;vstr=""}k=decodeURIComponent(kstr);v=decodeURIComponent(vstr);if(!hasOwnProperty(obj,k)){obj[k]=v}else if(isArray(obj[k])){obj[k].push(v)}else{obj[k]=[obj[k],v]}}return obj};var isArray=Array.isArray||function(xs){return Object.prototype.toString.call(xs)==="[object Array]"}},{}],13:[function(require,module,exports){"use strict";var stringifyPrimitive=function(v){switch(typeof v){case"string":return v;case"boolean":return v?"true":"false";case"number":return isFinite(v)?v:"";default:return""}};module.exports=function(obj,sep,eq,name){sep=sep||"&";eq=eq||"=";if(obj===null){obj=undefined}if(typeof obj==="object"){return map(objectKeys(obj),function(k){var ks=encodeURIComponent(stringifyPrimitive(k))+eq;if(isArray(obj[k])){return map(obj[k],function(v){return ks+encodeURIComponent(stringifyPrimitive(v))}).join(sep)}else{return ks+encodeURIComponent(stringifyPrimitive(obj[k]))}}).join(sep)}if(!name)return"";return encodeURIComponent(stringifyPrimitive(name))+eq+encodeURIComponent(stringifyPrimitive(obj))};var isArray=Array.isArray||function(xs){return Object.prototype.toString.call(xs)==="[object Array]"};function map(xs,f){if(xs.map)return xs.map(f);var res=[];for(var i=0;i<xs.length;i++){res.push(f(xs[i],i))}return res}var objectKeys=Object.keys||function(obj){var res=[];for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))res.push(key)}return res}},{}],14:[function(require,module,exports){"use strict";exports.decode=exports.parse=require("./decode");exports.encode=exports.stringify=require("./encode")},{"./decode":12,"./encode":13}],15:[function(require,module,exports){"use strict";var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj){keys.push(key)}return keys};module.exports=Duplex;var processNextTick=require("process-nextick-args");var util=require("core-util-is");util.inherits=require("inherits");var Readable=require("./_stream_readable");var Writable=require("./_stream_writable");util.inherits(Duplex,Readable);var keys=objectKeys(Writable.prototype);for(var v=0;v<keys.length;v++){var method=keys[v];if(!Duplex.prototype[method])Duplex.prototype[method]=Writable.prototype[method]}function Duplex(options){if(!(this instanceof Duplex))return new Duplex(options);Readable.call(this,options);Writable.call(this,options);if(options&&options.readable===false)this.readable=false;if(options&&options.writable===false)this.writable=false;this.allowHalfOpen=true;if(options&&options.allowHalfOpen===false)this.allowHalfOpen=false;this.once("end",onend)}function onend(){if(this.allowHalfOpen||this._writableState.ended)return;processNextTick(onEndNT,this)}function onEndNT(self){self.end()}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}},{"./_stream_readable":17,"./_stream_writable":19,"core-util-is":22,inherits:8,"process-nextick-args":24}],16:[function(require,module,exports){"use strict";module.exports=PassThrough;var Transform=require("./_stream_transform");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(PassThrough,Transform);function PassThrough(options){if(!(this instanceof PassThrough))return new PassThrough(options);Transform.call(this,options)}PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":18,"core-util-is":22,inherits:8}],17:[function(require,module,exports){(function(process){"use strict";module.exports=Readable;var processNextTick=require("process-nextick-args");var isArray=require("isarray");var Duplex;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter;var EElistenerCount=function(emitter,type){return emitter.listeners(type).length};var Stream;(function(){try{Stream=require("st"+"ream")}catch(_){}finally{if(!Stream)Stream=require("events").EventEmitter}})();var Buffer=require("buffer").Buffer;var bufferShim=require("buffer-shims");var util=require("core-util-is");util.inherits=require("inherits");var debugUtil=require("util");var debug=void 0;if(debugUtil&&debugUtil.debuglog){debug=debugUtil.debuglog("stream")}else{debug=function(){}}var BufferList=require("./internal/streams/BufferList");var StringDecoder;util.inherits(Readable,Stream);function prependListener(emitter,event,fn){if(typeof emitter.prependListener==="function"){return emitter.prependListener(event,fn)}else{if(!emitter._events||!emitter._events[event])emitter.on(event,fn);else if(isArray(emitter._events[event]))emitter._events[event].unshift(fn);else emitter._events[event]=[fn,emitter._events[event]]}}function ReadableState(options,stream){Duplex=Duplex||require("./_stream_duplex");options=options||{};this.objectMode=!!options.objectMode;if(stream instanceof Duplex)this.objectMode=this.objectMode||!!options.readableObjectMode;var hwm=options.highWaterMark;var defaultHwm=this.objectMode?16:16*1024;this.highWaterMark=hwm||hwm===0?hwm:defaultHwm;this.highWaterMark=~~this.highWaterMark;this.buffer=new BufferList;this.length=0;this.pipes=null;this.pipesCount=0;this.flowing=null;this.ended=false;this.endEmitted=false;this.reading=false;this.sync=true;this.needReadable=false;this.emittedReadable=false;this.readableListening=false;this.resumeScheduled=false;this.defaultEncoding=options.defaultEncoding||"utf8";this.ranOut=false;this.awaitDrain=0;this.readingMore=false;this.decoder=null;this.encoding=null;if(options.encoding){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this.decoder=new StringDecoder(options.encoding);this.encoding=options.encoding}}function Readable(options){Duplex=Duplex||require("./_stream_duplex");if(!(this instanceof Readable))return new Readable(options);this._readableState=new ReadableState(options,this);this.readable=true;if(options&&typeof options.read==="function")this._read=options.read;Stream.call(this)}Readable.prototype.push=function(chunk,encoding){var state=this._readableState;if(!state.objectMode&&typeof chunk==="string"){encoding=encoding||state.defaultEncoding;if(encoding!==state.encoding){chunk=bufferShim.from(chunk,encoding);encoding=""}}return readableAddChunk(this,state,chunk,encoding,false)};Readable.prototype.unshift=function(chunk){var state=this._readableState;return readableAddChunk(this,state,chunk,"",true)};Readable.prototype.isPaused=function(){return this._readableState.flowing===false};function readableAddChunk(stream,state,chunk,encoding,addToFront){var er=chunkInvalid(state,chunk);if(er){stream.emit("error",er)}else if(chunk===null){state.reading=false;onEofChunk(stream,state)}else if(state.objectMode||chunk&&chunk.length>0){if(state.ended&&!addToFront){var e=new Error("stream.push() after EOF");stream.emit("error",e)}else if(state.endEmitted&&addToFront){var _e=new Error("stream.unshift() after end event");stream.emit("error",_e)}else{var skipAdd;if(state.decoder&&!addToFront&&!encoding){chunk=state.decoder.write(chunk);skipAdd=!state.objectMode&&chunk.length===0}if(!addToFront)state.reading=false;if(!skipAdd){if(state.flowing&&state.length===0&&!state.sync){stream.emit("data",chunk);stream.read(0)}else{state.length+=state.objectMode?1:chunk.length;if(addToFront)state.buffer.unshift(chunk);else state.buffer.push(chunk);if(state.needReadable)emitReadable(stream)}}maybeReadMore(stream,state)}}else if(!addToFront){state.reading=false}return needMoreData(state)}function needMoreData(state){return!state.ended&&(state.needReadable||state.length<state.highWaterMark||state.length===0)}Readable.prototype.setEncoding=function(enc){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this._readableState.decoder=new StringDecoder(enc);this._readableState.encoding=enc;return this};var MAX_HWM=8388608;function computeNewHighWaterMark(n){if(n>=MAX_HWM){n=MAX_HWM}else{n--;n|=n>>>1;n|=n>>>2;n|=n>>>4;n|=n>>>8;n|=n>>>16;n++}return n}function howMuchToRead(n,state){if(n<=0||state.length===0&&state.ended)return 0;if(state.objectMode)return 1;if(n!==n){if(state.flowing&&state.length)return state.buffer.head.data.length;else return state.length}if(n>state.highWaterMark)state.highWaterMark=computeNewHighWaterMark(n);if(n<=state.length)return n;if(!state.ended){state.needReadable=true;return 0}return state.length}Readable.prototype.read=function(n){debug("read",n);n=parseInt(n,10);var state=this._readableState;var nOrig=n;if(n!==0)state.emittedReadable=false;if(n===0&&state.needReadable&&(state.length>=state.highWaterMark||state.ended)){debug("read: emitReadable",state.length,state.ended);if(state.length===0&&state.ended)endReadable(this);else emitReadable(this);return null}n=howMuchToRead(n,state);if(n===0&&state.ended){if(state.length===0)endReadable(this);return null}var doRead=state.needReadable;debug("need readable",doRead);if(state.length===0||state.length-n<state.highWaterMark){doRead=true;debug("length less than watermark",doRead)}if(state.ended||state.reading){doRead=false;debug("reading or ended",doRead)}else if(doRead){debug("do read");state.reading=true;state.sync=true;if(state.length===0)state.needReadable=true;this._read(state.highWaterMark);state.sync=false;if(!state.reading)n=howMuchToRead(nOrig,state)}var ret;if(n>0)ret=fromList(n,state);else ret=null;if(ret===null){state.needReadable=true;n=0}else{state.length-=n}if(state.length===0){if(!state.ended)state.needReadable=true;if(nOrig!==n&&state.ended)endReadable(this)}if(ret!==null)this.emit("data",ret);return ret};function chunkInvalid(state,chunk){var er=null;if(!Buffer.isBuffer(chunk)&&typeof chunk!=="string"&&chunk!==null&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}return er}function onEofChunk(stream,state){if(state.ended)return;if(state.decoder){var chunk=state.decoder.end();if(chunk&&chunk.length){state.buffer.push(chunk);state.length+=state.objectMode?1:chunk.length}}state.ended=true;emitReadable(stream)}function emitReadable(stream){var state=stream._readableState;state.needReadable=false;if(!state.emittedReadable){debug("emitReadable",state.flowing);state.emittedReadable=true;if(state.sync)processNextTick(emitReadable_,stream);else emitReadable_(stream)}}function emitReadable_(stream){debug("emit readable");stream.emit("readable");flow(stream)}function maybeReadMore(stream,state){if(!state.readingMore){state.readingMore=true;processNextTick(maybeReadMore_,stream,state)}}function maybeReadMore_(stream,state){var len=state.length;while(!state.reading&&!state.flowing&&!state.ended&&state.length<state.highWaterMark){debug("maybeReadMore read 0");stream.read(0);if(len===state.length)break;else len=state.length}state.readingMore=false}Readable.prototype._read=function(n){this.emit("error",new Error("_read() is not implemented"))};Readable.prototype.pipe=function(dest,pipeOpts){var src=this;var state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);break}state.pipesCount+=1;debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var doEnd=(!pipeOpts||pipeOpts.end!==false)&&dest!==process.stdout&&dest!==process.stderr;var endFn=doEnd?onend:cleanup;if(state.endEmitted)processNextTick(endFn);else src.once("end",endFn);dest.on("unpipe",onunpipe);function onunpipe(readable){debug("onunpipe");if(readable===src){cleanup()}}function onend(){debug("onend");dest.end()}var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);var cleanedUp=false;function cleanup(){debug("cleanup");dest.removeListener("close",onclose);dest.removeListener("finish",onfinish);dest.removeListener("drain",ondrain);dest.removeListener("error",onerror);dest.removeListener("unpipe",onunpipe);src.removeListener("end",onend);src.removeListener("end",cleanup);src.removeListener("data",ondata);cleanedUp=true;if(state.awaitDrain&&(!dest._writableState||dest._writableState.needDrain))ondrain()}var increasedAwaitDrain=false;src.on("data",ondata);function ondata(chunk){debug("ondata");increasedAwaitDrain=false;var ret=dest.write(chunk);if(false===ret&&!increasedAwaitDrain){if((state.pipesCount===1&&state.pipes===dest||state.pipesCount>1&&indexOf(state.pipes,dest)!==-1)&&!cleanedUp){debug("false write response, pause",src._readableState.awaitDrain);src._readableState.awaitDrain++;increasedAwaitDrain=true}src.pause()}}function onerror(er){debug("onerror",er);unpipe();dest.removeListener("error",onerror);if(EElistenerCount(dest,"error")===0)dest.emit("error",er)}prependListener(dest,"error",onerror);function onclose(){dest.removeListener("finish",onfinish);unpipe()}dest.once("close",onclose);function onfinish(){debug("onfinish");dest.removeListener("close",onclose);unpipe()}dest.once("finish",onfinish);function unpipe(){debug("unpipe");src.unpipe(dest)}dest.emit("pipe",src);if(!state.flowing){debug("pipe resume");src.resume()}return dest};function pipeOnDrain(src){return function(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain);if(state.awaitDrain)state.awaitDrain--;if(state.awaitDrain===0&&EElistenerCount(src,"data")){state.flowing=true;flow(src)}}}Readable.prototype.unpipe=function(dest){var state=this._readableState;if(state.pipesCount===0)return this;if(state.pipesCount===1){if(dest&&dest!==state.pipes)return this;if(!dest)dest=state.pipes;state.pipes=null;state.pipesCount=0;state.flowing=false;if(dest)dest.emit("unpipe",this);return this}if(!dest){var dests=state.pipes;var len=state.pipesCount;state.pipes=null;state.pipesCount=0;state.flowing=false;for(var i=0;i<len;i++){dests[i].emit("unpipe",this)}return this}var index=indexOf(state.pipes,dest);if(index===-1)return this;state.pipes.splice(index,1);state.pipesCount-=1;if(state.pipesCount===1)state.pipes=state.pipes[0];dest.emit("unpipe",this);return this};Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn);if(ev==="data"){if(this._readableState.flowing!==false)this.resume()}else if(ev==="readable"){var state=this._readableState;if(!state.endEmitted&&!state.readableListening){state.readableListening=state.needReadable=true;state.emittedReadable=false;if(!state.reading){processNextTick(nReadingNextTick,this)}else if(state.length){emitReadable(this,state)}}}return res};Readable.prototype.addListener=Readable.prototype.on;function nReadingNextTick(self){debug("readable nexttick read 0");self.read(0)}Readable.prototype.resume=function(){var state=this._readableState;if(!state.flowing){debug("resume");state.flowing=true;resume(this,state)}return this};function resume(stream,state){if(!state.resumeScheduled){state.resumeScheduled=true;processNextTick(resume_,stream,state)}}function resume_(stream,state){if(!state.reading){debug("resume read 0");stream.read(0)}state.resumeScheduled=false;state.awaitDrain=0;stream.emit("resume");flow(stream);if(state.flowing&&!state.reading)stream.read(0)}Readable.prototype.pause=function(){debug("call pause flowing=%j",this._readableState.flowing);if(false!==this._readableState.flowing){debug("pause");this._readableState.flowing=false;this.emit("pause")}return this};function flow(stream){var state=stream._readableState;debug("flow",state.flowing);while(state.flowing&&stream.read()!==null){}}Readable.prototype.wrap=function(stream){var state=this._readableState;var paused=false;var self=this;stream.on("end",function(){debug("wrapped end");if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length)self.push(chunk)}self.push(null)});stream.on("data",function(chunk){debug("wrapped data");if(state.decoder)chunk=state.decoder.write(chunk);if(state.objectMode&&(chunk===null||chunk===undefined))return;else if(!state.objectMode&&(!chunk||!chunk.length))return;var ret=self.push(chunk);if(!ret){paused=true;stream.pause()}});for(var i in stream){if(this[i]===undefined&&typeof stream[i]==="function"){this[i]=function(method){return function(){return stream[method].apply(stream,arguments)}}(i)}}var events=["error","close","destroy","pause","resume"];forEach(events,function(ev){stream.on(ev,self.emit.bind(self,ev))});self._read=function(n){debug("wrapped _read",n);if(paused){paused=false;stream.resume()}};return self};Readable._fromList=fromList;function fromList(n,state){if(state.length===0)return null;var ret;if(state.objectMode)ret=state.buffer.shift();else if(!n||n>=state.length){if(state.decoder)ret=state.buffer.join("");else if(state.buffer.length===1)ret=state.buffer.head.data;else ret=state.buffer.concat(state.length);state.buffer.clear()}else{ret=fromListPartial(n,state.buffer,state.decoder)}return ret}function fromListPartial(n,list,hasStrings){var ret;if(n<list.head.data.length){ret=list.head.data.slice(0,n); | |
| list.head.data=list.head.data.slice(n)}else if(n===list.head.data.length){ret=list.shift()}else{ret=hasStrings?copyFromBufferString(n,list):copyFromBuffer(n,list)}return ret}function copyFromBufferString(n,list){var p=list.head;var c=1;var ret=p.data;n-=ret.length;while(p=p.next){var str=p.data;var nb=n>str.length?str.length:n;if(nb===str.length)ret+=str;else ret+=str.slice(0,n);n-=nb;if(n===0){if(nb===str.length){++c;if(p.next)list.head=p.next;else list.head=list.tail=null}else{list.head=p;p.data=str.slice(nb)}break}++c}list.length-=c;return ret}function copyFromBuffer(n,list){var ret=bufferShim.allocUnsafe(n);var p=list.head;var c=1;p.data.copy(ret);n-=p.data.length;while(p=p.next){var buf=p.data;var nb=n>buf.length?buf.length:n;buf.copy(ret,ret.length-n,0,nb);n-=nb;if(n===0){if(nb===buf.length){++c;if(p.next)list.head=p.next;else list.head=list.tail=null}else{list.head=p;p.data=buf.slice(nb)}break}++c}list.length-=c;return ret}function endReadable(stream){var state=stream._readableState;if(state.length>0)throw new Error('"endReadable()" called on non-empty stream');if(!state.endEmitted){state.ended=true;processNextTick(endReadableNT,state,stream)}}function endReadableNT(state,stream){if(!state.endEmitted&&state.length===0){state.endEmitted=true;stream.readable=false;stream.emit("end")}}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++){if(xs[i]===x)return i}return-1}}).call(this,require("_process"))},{"./_stream_duplex":15,"./internal/streams/BufferList":20,_process:10,buffer:2,"buffer-shims":21,"core-util-is":22,events:6,inherits:8,isarray:23,"process-nextick-args":24,"string_decoder/":33,util:1}],18:[function(require,module,exports){"use strict";module.exports=Transform;var Duplex=require("./_stream_duplex");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(Transform,Duplex);function TransformState(stream){this.afterTransform=function(er,data){return afterTransform(stream,er,data)};this.needTransform=false;this.transforming=false;this.writecb=null;this.writechunk=null;this.writeencoding=null}function afterTransform(stream,er,data){var ts=stream._transformState;ts.transforming=false;var cb=ts.writecb;if(!cb)return stream.emit("error",new Error("no writecb in Transform class"));ts.writechunk=null;ts.writecb=null;if(data!==null&&data!==undefined)stream.push(data);cb(er);var rs=stream._readableState;rs.reading=false;if(rs.needReadable||rs.length<rs.highWaterMark){stream._read(rs.highWaterMark)}}function Transform(options){if(!(this instanceof Transform))return new Transform(options);Duplex.call(this,options);this._transformState=new TransformState(this);var stream=this;this._readableState.needReadable=true;this._readableState.sync=false;if(options){if(typeof options.transform==="function")this._transform=options.transform;if(typeof options.flush==="function")this._flush=options.flush}this.once("prefinish",function(){if(typeof this._flush==="function")this._flush(function(er,data){done(stream,er,data)});else done(stream)})}Transform.prototype.push=function(chunk,encoding){this._transformState.needTransform=false;return Duplex.prototype.push.call(this,chunk,encoding)};Transform.prototype._transform=function(chunk,encoding,cb){throw new Error("_transform() is not implemented")};Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;ts.writecb=cb;ts.writechunk=chunk;ts.writeencoding=encoding;if(!ts.transforming){var rs=this._readableState;if(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)this._read(rs.highWaterMark)}};Transform.prototype._read=function(n){var ts=this._transformState;if(ts.writechunk!==null&&ts.writecb&&!ts.transforming){ts.transforming=true;this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform)}else{ts.needTransform=true}};function done(stream,er,data){if(er)return stream.emit("error",er);if(data!==null&&data!==undefined)stream.push(data);var ws=stream._writableState;var ts=stream._transformState;if(ws.length)throw new Error("Calling transform done when ws.length != 0");if(ts.transforming)throw new Error("Calling transform done when still transforming");return stream.push(null)}},{"./_stream_duplex":15,"core-util-is":22,inherits:8}],19:[function(require,module,exports){(function(process){"use strict";module.exports=Writable;var processNextTick=require("process-nextick-args");var asyncWrite=!process.browser&&["v0.10","v0.9."].indexOf(process.version.slice(0,5))>-1?setImmediate:processNextTick;var Duplex;Writable.WritableState=WritableState;var util=require("core-util-is");util.inherits=require("inherits");var internalUtil={deprecate:require("util-deprecate")};var Stream;(function(){try{Stream=require("st"+"ream")}catch(_){}finally{if(!Stream)Stream=require("events").EventEmitter}})();var Buffer=require("buffer").Buffer;var bufferShim=require("buffer-shims");util.inherits(Writable,Stream);function nop(){}function WriteReq(chunk,encoding,cb){this.chunk=chunk;this.encoding=encoding;this.callback=cb;this.next=null}function WritableState(options,stream){Duplex=Duplex||require("./_stream_duplex");options=options||{};this.objectMode=!!options.objectMode;if(stream instanceof Duplex)this.objectMode=this.objectMode||!!options.writableObjectMode;var hwm=options.highWaterMark;var defaultHwm=this.objectMode?16:16*1024;this.highWaterMark=hwm||hwm===0?hwm:defaultHwm;this.highWaterMark=~~this.highWaterMark;this.needDrain=false;this.ending=false;this.ended=false;this.finished=false;var noDecode=options.decodeStrings===false;this.decodeStrings=!noDecode;this.defaultEncoding=options.defaultEncoding||"utf8";this.length=0;this.writing=false;this.corked=0;this.sync=true;this.bufferProcessing=false;this.onwrite=function(er){onwrite(stream,er)};this.writecb=null;this.writelen=0;this.bufferedRequest=null;this.lastBufferedRequest=null;this.pendingcb=0;this.prefinished=false;this.errorEmitted=false;this.bufferedRequestCount=0;this.corkedRequestsFree=new CorkedRequest(this)}WritableState.prototype.getBuffer=function getBuffer(){var current=this.bufferedRequest;var out=[];while(current){out.push(current);current=current.next}return out};(function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer "+"instead.")})}catch(_){}})();var realHasInstance;if(typeof Symbol==="function"&&Symbol.hasInstance&&typeof Function.prototype[Symbol.hasInstance]==="function"){realHasInstance=Function.prototype[Symbol.hasInstance];Object.defineProperty(Writable,Symbol.hasInstance,{value:function(object){if(realHasInstance.call(this,object))return true;return object&&object._writableState instanceof WritableState}})}else{realHasInstance=function(object){return object instanceof this}}function Writable(options){Duplex=Duplex||require("./_stream_duplex");if(!realHasInstance.call(Writable,this)&&!(this instanceof Duplex)){return new Writable(options)}this._writableState=new WritableState(options,this);this.writable=true;if(options){if(typeof options.write==="function")this._write=options.write;if(typeof options.writev==="function")this._writev=options.writev}Stream.call(this)}Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe, not readable"))};function writeAfterEnd(stream,cb){var er=new Error("write after end");stream.emit("error",er);processNextTick(cb,er)}function validChunk(stream,state,chunk,cb){var valid=true;var er=false;if(chunk===null){er=new TypeError("May not write null values to stream")}else if(!Buffer.isBuffer(chunk)&&typeof chunk!=="string"&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}if(er){stream.emit("error",er);processNextTick(cb,er);valid=false}return valid}Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState;var ret=false;if(typeof encoding==="function"){cb=encoding;encoding=null}if(Buffer.isBuffer(chunk))encoding="buffer";else if(!encoding)encoding=state.defaultEncoding;if(typeof cb!=="function")cb=nop;if(state.ended)writeAfterEnd(this,cb);else if(validChunk(this,state,chunk,cb)){state.pendingcb++;ret=writeOrBuffer(this,state,chunk,encoding,cb)}return ret};Writable.prototype.cork=function(){var state=this._writableState;state.corked++};Writable.prototype.uncork=function(){var state=this._writableState;if(state.corked){state.corked--;if(!state.writing&&!state.corked&&!state.finished&&!state.bufferProcessing&&state.bufferedRequest)clearBuffer(this,state)}};Writable.prototype.setDefaultEncoding=function setDefaultEncoding(encoding){if(typeof encoding==="string")encoding=encoding.toLowerCase();if(!(["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())>-1))throw new TypeError("Unknown encoding: "+encoding);this._writableState.defaultEncoding=encoding;return this};function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&typeof chunk==="string"){chunk=bufferShim.from(chunk,encoding)}return chunk}function writeOrBuffer(stream,state,chunk,encoding,cb){chunk=decodeChunk(state,chunk,encoding);if(Buffer.isBuffer(chunk))encoding="buffer";var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(!ret)state.needDrain=true;if(state.writing||state.corked){var last=state.lastBufferedRequest;state.lastBufferedRequest=new WriteReq(chunk,encoding,cb);if(last){last.next=state.lastBufferedRequest}else{state.bufferedRequest=state.lastBufferedRequest}state.bufferedRequestCount+=1}else{doWrite(stream,state,false,len,chunk,encoding,cb)}return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len;state.writecb=cb;state.writing=true;state.sync=true;if(writev)stream._writev(chunk,state.onwrite);else stream._write(chunk,encoding,state.onwrite);state.sync=false}function onwriteError(stream,state,sync,er,cb){--state.pendingcb;if(sync)processNextTick(cb,er);else cb(er);stream._writableState.errorEmitted=true;stream.emit("error",er)}function onwriteStateUpdate(state){state.writing=false;state.writecb=null;state.length-=state.writelen;state.writelen=0}function onwrite(stream,er){var state=stream._writableState;var sync=state.sync;var cb=state.writecb;onwriteStateUpdate(state);if(er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(state);if(!finished&&!state.corked&&!state.bufferProcessing&&state.bufferedRequest){clearBuffer(stream,state)}if(sync){asyncWrite(afterWrite,stream,state,finished,cb)}else{afterWrite(stream,state,finished,cb)}}}function afterWrite(stream,state,finished,cb){if(!finished)onwriteDrain(stream,state);state.pendingcb--;cb();finishMaybe(stream,state)}function onwriteDrain(stream,state){if(state.length===0&&state.needDrain){state.needDrain=false;stream.emit("drain")}}function clearBuffer(stream,state){state.bufferProcessing=true;var entry=state.bufferedRequest;if(stream._writev&&entry&&entry.next){var l=state.bufferedRequestCount;var buffer=new Array(l);var holder=state.corkedRequestsFree;holder.entry=entry;var count=0;while(entry){buffer[count]=entry;entry=entry.next;count+=1}doWrite(stream,state,true,state.length,buffer,"",holder.finish);state.pendingcb++;state.lastBufferedRequest=null;if(holder.next){state.corkedRequestsFree=holder.next;holder.next=null}else{state.corkedRequestsFree=new CorkedRequest(state)}}else{while(entry){var chunk=entry.chunk;var encoding=entry.encoding;var cb=entry.callback;var len=state.objectMode?1:chunk.length;doWrite(stream,state,false,len,chunk,encoding,cb);entry=entry.next;if(state.writing){break}}if(entry===null)state.lastBufferedRequest=null}state.bufferedRequestCount=0;state.bufferedRequest=entry;state.bufferProcessing=false}Writable.prototype._write=function(chunk,encoding,cb){cb(new Error("_write() is not implemented"))};Writable.prototype._writev=null;Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;if(typeof chunk==="function"){cb=chunk;chunk=null;encoding=null}else if(typeof encoding==="function"){cb=encoding;encoding=null}if(chunk!==null&&chunk!==undefined)this.write(chunk,encoding);if(state.corked){state.corked=1;this.uncork()}if(!state.ending&&!state.finished)endWritable(this,state,cb)};function needFinish(state){return state.ending&&state.length===0&&state.bufferedRequest===null&&!state.finished&&!state.writing}function prefinish(stream,state){if(!state.prefinished){state.prefinished=true;stream.emit("prefinish")}}function finishMaybe(stream,state){var need=needFinish(state);if(need){if(state.pendingcb===0){prefinish(stream,state);state.finished=true;stream.emit("finish")}else{prefinish(stream,state)}}return need}function endWritable(stream,state,cb){state.ending=true;finishMaybe(stream,state);if(cb){if(state.finished)processNextTick(cb);else stream.once("finish",cb)}state.ended=true;stream.writable=false}function CorkedRequest(state){var _this=this;this.next=null;this.entry=null;this.finish=function(err){var entry=_this.entry;_this.entry=null;while(entry){var cb=entry.callback;state.pendingcb--;cb(err);entry=entry.next}if(state.corkedRequestsFree){state.corkedRequestsFree.next=_this}else{state.corkedRequestsFree=_this}}}}).call(this,require("_process"))},{"./_stream_duplex":15,_process:10,buffer:2,"buffer-shims":21,"core-util-is":22,events:6,inherits:8,"process-nextick-args":24,"util-deprecate":25}],20:[function(require,module,exports){"use strict";var Buffer=require("buffer").Buffer;var bufferShim=require("buffer-shims");module.exports=BufferList;function BufferList(){this.head=null;this.tail=null;this.length=0}BufferList.prototype.push=function(v){var entry={data:v,next:null};if(this.length>0)this.tail.next=entry;else this.head=entry;this.tail=entry;++this.length};BufferList.prototype.unshift=function(v){var entry={data:v,next:this.head};if(this.length===0)this.tail=entry;this.head=entry;++this.length};BufferList.prototype.shift=function(){if(this.length===0)return;var ret=this.head.data;if(this.length===1)this.head=this.tail=null;else this.head=this.head.next;--this.length;return ret};BufferList.prototype.clear=function(){this.head=this.tail=null;this.length=0};BufferList.prototype.join=function(s){if(this.length===0)return"";var p=this.head;var ret=""+p.data;while(p=p.next){ret+=s+p.data}return ret};BufferList.prototype.concat=function(n){if(this.length===0)return bufferShim.alloc(0);if(this.length===1)return this.head.data;var ret=bufferShim.allocUnsafe(n>>>0);var p=this.head;var i=0;while(p){p.data.copy(ret,i);i+=p.data.length;p=p.next}return ret}},{buffer:2,"buffer-shims":21}],21:[function(require,module,exports){(function(global){"use strict";var buffer=require("buffer");var Buffer=buffer.Buffer;var SlowBuffer=buffer.SlowBuffer;var MAX_LEN=buffer.kMaxLength||2147483647;exports.alloc=function alloc(size,fill,encoding){if(typeof Buffer.alloc==="function"){return Buffer.alloc(size,fill,encoding)}if(typeof encoding==="number"){throw new TypeError("encoding must not be number")}if(typeof size!=="number"){throw new TypeError("size must be a number")}if(size>MAX_LEN){throw new RangeError("size is too large")}var enc=encoding;var _fill=fill;if(_fill===undefined){enc=undefined;_fill=0}var buf=new Buffer(size);if(typeof _fill==="string"){var fillBuf=new Buffer(_fill,enc);var flen=fillBuf.length;var i=-1;while(++i<size){buf[i]=fillBuf[i%flen]}}else{buf.fill(_fill)}return buf};exports.allocUnsafe=function allocUnsafe(size){if(typeof Buffer.allocUnsafe==="function"){return Buffer.allocUnsafe(size)}if(typeof size!=="number"){throw new TypeError("size must be a number")}if(size>MAX_LEN){throw new RangeError("size is too large")}return new Buffer(size)};exports.from=function from(value,encodingOrOffset,length){if(typeof Buffer.from==="function"&&(!global.Uint8Array||Uint8Array.from!==Buffer.from)){return Buffer.from(value,encodingOrOffset,length)}if(typeof value==="number"){throw new TypeError('"value" argument must not be a number')}if(typeof value==="string"){return new Buffer(value,encodingOrOffset)}if(typeof ArrayBuffer!=="undefined"&&value instanceof ArrayBuffer){var offset=encodingOrOffset;if(arguments.length===1){return new Buffer(value)}if(typeof offset==="undefined"){offset=0}var len=length;if(typeof len==="undefined"){len=value.byteLength-offset}if(offset>=value.byteLength){throw new RangeError("'offset' is out of bounds")}if(len>value.byteLength-offset){throw new RangeError("'length' is out of bounds")}return new Buffer(value.slice(offset,offset+len))}if(Buffer.isBuffer(value)){var out=new Buffer(value.length);value.copy(out,0,0,value.length);return out}if(value){if(Array.isArray(value)||typeof ArrayBuffer!=="undefined"&&value.buffer instanceof ArrayBuffer||"length"in value){return new Buffer(value)}if(value.type==="Buffer"&&Array.isArray(value.data)){return new Buffer(value.data)}}throw new TypeError("First argument must be a string, Buffer, "+"ArrayBuffer, Array, or array-like object.")};exports.allocUnsafeSlow=function allocUnsafeSlow(size){if(typeof Buffer.allocUnsafeSlow==="function"){return Buffer.allocUnsafeSlow(size)}if(typeof size!=="number"){throw new TypeError("size must be a number")}if(size>=MAX_LEN){throw new RangeError("size is too large")}return new SlowBuffer(size)}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{buffer:2}],22:[function(require,module,exports){(function(Buffer){function isArray(arg){if(Array.isArray){return Array.isArray(arg)}return objectToString(arg)==="[object Array]"}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return objectToString(e)==="[object Error]"||e instanceof Error}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=Buffer.isBuffer;function objectToString(o){return Object.prototype.toString.call(o)}}).call(this,{isBuffer:require("../../../../insert-module-globals/node_modules/is-buffer/index.js")})},{"../../../../insert-module-globals/node_modules/is-buffer/index.js":9}],23:[function(require,module,exports){arguments[4][5][0].apply(exports,arguments)},{dup:5}],24:[function(require,module,exports){(function(process){"use strict";if(!process.version||process.version.indexOf("v0.")===0||process.version.indexOf("v1.")===0&&process.version.indexOf("v1.8.")!==0){module.exports=nextTick}else{module.exports=process.nextTick}function nextTick(fn,arg1,arg2,arg3){if(typeof fn!=="function"){throw new TypeError('"callback" argument must be a function')}var len=arguments.length;var args,i;switch(len){case 0:case 1:return process.nextTick(fn);case 2:return process.nextTick(function afterTickOne(){fn.call(null,arg1)});case 3:return process.nextTick(function afterTickTwo(){fn.call(null,arg1,arg2)});case 4:return process.nextTick(function afterTickThree(){fn.call(null,arg1,arg2,arg3)});default:args=new Array(len-1);i=0;while(i<args.length){args[i++]=arguments[i]}return process.nextTick(function afterTick(){fn.apply(null,args)})}}}).call(this,require("_process"))},{_process:10}],25:[function(require,module,exports){(function(global){module.exports=deprecate;function deprecate(fn,msg){if(config("noDeprecation")){return fn}var warned=false;function deprecated(){if(!warned){if(config("throwDeprecation")){throw new Error(msg)}else if(config("traceDeprecation")){console.trace(msg)}else{console.warn(msg)}warned=true}return fn.apply(this,arguments)}return deprecated}function config(name){try{if(!global.localStorage)return false}catch(_){return false}var val=global.localStorage[name];if(null==val)return false;return String(val).toLowerCase()==="true"}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],26:[function(require,module,exports){(function(process){var Stream=function(){try{return require("st"+"ream")}catch(_){}}();exports=module.exports=require("./lib/_stream_readable.js");exports.Stream=Stream||exports;exports.Readable=exports;exports.Writable=require("./lib/_stream_writable.js");exports.Duplex=require("./lib/_stream_duplex.js");exports.Transform=require("./lib/_stream_transform.js");exports.PassThrough=require("./lib/_stream_passthrough.js");if(!process.browser&&process.env.READABLE_STREAM==="disable"&&Stream){module.exports=Stream}}).call(this,require("_process"))},{"./lib/_stream_duplex.js":15,"./lib/_stream_passthrough.js":16,"./lib/_stream_readable.js":17,"./lib/_stream_transform.js":18,"./lib/_stream_writable.js":19,_process:10}],27:[function(require,module,exports){(function(global){var ClientRequest=require("./lib/request");var extend=require("xtend");var statusCodes=require("builtin-status-codes");var url=require("url");var http=exports;http.request=function(opts,cb){if(typeof opts==="string")opts=url.parse(opts);else opts=extend(opts);var defaultProtocol=global.location.protocol.search(/^https?:$/)===-1?"http:":"";var protocol=opts.protocol||defaultProtocol;var host=opts.hostname||opts.host;var port=opts.port;var path=opts.path||"/";if(host&&host.indexOf(":")!==-1)host="["+host+"]";opts.url=(host?protocol+"//"+host:"")+(port?":"+port:"")+path;opts.method=(opts.method||"GET").toUpperCase();opts.headers=opts.headers||{};var req=new ClientRequest(opts);if(cb)req.on("response",cb);return req};http.get=function get(opts,cb){var req=http.request(opts,cb);req.end();return req};http.Agent=function(){};http.Agent.defaultMaxSockets=4;http.STATUS_CODES=statusCodes;http.METHODS=["CHECKOUT","CONNECT","COPY","DELETE","GET","HEAD","LOCK","M-SEARCH","MERGE","MKACTIVITY","MKCOL","MOVE","NOTIFY","OPTIONS","PATCH","POST","PROPFIND","PROPPATCH","PURGE","PUT","REPORT","SEARCH","SUBSCRIBE","TRACE","UNLOCK","UNSUBSCRIBE"]}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./lib/request":29,"builtin-status-codes":31,url:34,xtend:36}],28:[function(require,module,exports){(function(global){exports.fetch=isFunction(global.fetch)&&isFunction(global.ReadableStream);exports.blobConstructor=false;try{new Blob([new ArrayBuffer(1)]);exports.blobConstructor=true}catch(e){}var xhr;function getXHR(){if(xhr!==undefined)return xhr;if(global.XMLHttpRequest){xhr=new global.XMLHttpRequest;try{xhr.open("GET",global.XDomainRequest?"/":"https://example.com")}catch(e){xhr=null}}else{xhr=null}return xhr}function checkTypeSupport(type){var xhr=getXHR();if(!xhr)return false;try{xhr.responseType=type;return xhr.responseType===type}catch(e){}return false}var haveArrayBuffer=typeof global.ArrayBuffer!=="undefined";var haveSlice=haveArrayBuffer&&isFunction(global.ArrayBuffer.prototype.slice);exports.arraybuffer=exports.fetch||haveArrayBuffer&&checkTypeSupport("arraybuffer");exports.msstream=!exports.fetch&&haveSlice&&checkTypeSupport("ms-stream");exports.mozchunkedarraybuffer=!exports.fetch&&haveArrayBuffer&&checkTypeSupport("moz-chunked-arraybuffer");exports.overrideMimeType=exports.fetch||(getXHR()?isFunction(getXHR().overrideMimeType):false);exports.vbArray=isFunction(global.VBArray);function isFunction(value){return typeof value==="function"}xhr=null}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],29:[function(require,module,exports){(function(process,global,Buffer){var capability=require("./capability");var inherits=require("inherits");var response=require("./response");var stream=require("readable-stream");var toArrayBuffer=require("to-arraybuffer");var IncomingMessage=response.IncomingMessage;var rStates=response.readyStates;function decideMode(preferBinary,useFetch){if(capability.fetch&&useFetch){return"fetch"}else if(capability.mozchunkedarraybuffer){return"moz-chunked-arraybuffer"}else if(capability.msstream){return"ms-stream"}else if(capability.arraybuffer&&preferBinary){return"arraybuffer"}else if(capability.vbArray&&preferBinary){return"text:vbarray"}else{return"text"}}var ClientRequest=module.exports=function(opts){var self=this;stream.Writable.call(self);self._opts=opts;self._body=[];self._headers={};if(opts.auth)self.setHeader("Authorization","Basic "+new Buffer(opts.auth).toString("base64"));Object.keys(opts.headers).forEach(function(name){self.setHeader(name,opts.headers[name])});var preferBinary;var useFetch=true;if(opts.mode==="disable-fetch"||"timeout"in opts){useFetch=false;preferBinary=true}else if(opts.mode==="prefer-streaming"){preferBinary=false}else if(opts.mode==="allow-wrong-content-type"){preferBinary=!capability.overrideMimeType}else if(!opts.mode||opts.mode==="default"||opts.mode==="prefer-fast"){preferBinary=true}else{throw new Error("Invalid value for opts.mode")}self._mode=decideMode(preferBinary,useFetch);self.on("finish",function(){self._onFinish()})};inherits(ClientRequest,stream.Writable);ClientRequest.prototype.setHeader=function(name,value){var self=this;var lowerName=name.toLowerCase();if(unsafeHeaders.indexOf(lowerName)!==-1)return;self._headers[lowerName]={name:name,value:value}};ClientRequest.prototype.getHeader=function(name){var self=this;return self._headers[name.toLowerCase()].value};ClientRequest.prototype.removeHeader=function(name){var self=this;delete self._headers[name.toLowerCase()]};ClientRequest.prototype._onFinish=function(){var self=this;if(self._destroyed)return;var opts=self._opts;var headersObj=self._headers;var body=null;if(opts.method==="POST"||opts.method==="PUT"||opts.method==="PATCH"||opts.method==="MERGE"){if(capability.blobConstructor){body=new global.Blob(self._body.map(function(buffer){return toArrayBuffer(buffer)}),{type:(headersObj["content-type"]||{}).value||""})}else{body=Buffer.concat(self._body).toString()}}if(self._mode==="fetch"){var headers=Object.keys(headersObj).map(function(name){return[headersObj[name].name,headersObj[name].value]});global.fetch(self._opts.url,{method:self._opts.method,headers:headers,body:body||undefined,mode:"cors",credentials:opts.withCredentials?"include":"same-origin"}).then(function(response){self._fetchResponse=response;self._connect()},function(reason){self.emit("error",reason)})}else{var xhr=self._xhr=new global.XMLHttpRequest;try{xhr.open(self._opts.method,self._opts.url,true)}catch(err){process.nextTick(function(){self.emit("error",err)});return}if("responseType"in xhr)xhr.responseType=self._mode.split(":")[0];if("withCredentials"in xhr)xhr.withCredentials=!!opts.withCredentials;if(self._mode==="text"&&"overrideMimeType"in xhr)xhr.overrideMimeType("text/plain; charset=x-user-defined");if("timeout"in opts){xhr.timeout=opts.timeout;xhr.ontimeout=function(){self.emit("timeout")}}Object.keys(headersObj).forEach(function(name){xhr.setRequestHeader(headersObj[name].name,headersObj[name].value)});self._response=null;xhr.onreadystatechange=function(){switch(xhr.readyState){case rStates.LOADING:case rStates.DONE:self._onXHRProgress();break}};if(self._mode==="moz-chunked-arraybuffer"){xhr.onprogress=function(){self._onXHRProgress()}}xhr.onerror=function(){if(self._destroyed)return;self.emit("error",new Error("XHR error"))};try{xhr.send(body)}catch(err){process.nextTick(function(){self.emit("error",err)});return}}};function statusValid(xhr){try{var status=xhr.status;return status!==null&&status!==0}catch(e){return false}}ClientRequest.prototype._onXHRProgress=function(){var self=this;if(!statusValid(self._xhr)||self._destroyed)return;if(!self._response)self._connect();self._response._onXHRProgress()};ClientRequest.prototype._connect=function(){var self=this;if(self._destroyed)return;self._response=new IncomingMessage(self._xhr,self._fetchResponse,self._mode);self._response.on("error",function(err){self.emit("error",err)});self.emit("response",self._response)};ClientRequest.prototype._write=function(chunk,encoding,cb){var self=this;self._body.push(chunk);cb()};ClientRequest.prototype.abort=ClientRequest.prototype.destroy=function(){var self=this;self._destroyed=true;if(self._response)self._response._destroyed=true;if(self._xhr)self._xhr.abort()};ClientRequest.prototype.end=function(data,encoding,cb){var self=this;if(typeof data==="function"){cb=data;data=undefined}stream.Writable.prototype.end.call(self,data,encoding,cb)};ClientRequest.prototype.flushHeaders=function(){};ClientRequest.prototype.setTimeout=function(){};ClientRequest.prototype.setNoDelay=function(){};ClientRequest.prototype.setSocketKeepAlive=function(){};var unsafeHeaders=["accept-charset","accept-encoding","access-control-request-headers","access-control-request-method","connection","content-length","cookie","cookie2","date","dnt","expect","host","keep-alive","origin","referer","te","trailer","transfer-encoding","upgrade","user-agent","via"]}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"./capability":28,"./response":30,_process:10,buffer:2,inherits:8,"readable-stream":26,"to-arraybuffer":32}],30:[function(require,module,exports){(function(process,global,Buffer){var capability=require("./capability");var inherits=require("inherits");var stream=require("readable-stream");var rStates=exports.readyStates={UNSENT:0,OPENED:1,HEADERS_RECEIVED:2,LOADING:3,DONE:4};var IncomingMessage=exports.IncomingMessage=function(xhr,response,mode){var self=this;stream.Readable.call(self);self._mode=mode;self.headers={};self.rawHeaders=[];self.trailers={};self.rawTrailers=[];self.on("end",function(){process.nextTick(function(){self.emit("close")})});if(mode==="fetch"){self._fetchResponse=response;self.url=response.url;self.statusCode=response.status;self.statusMessage=response.statusText;response.headers.forEach(function(header,key){self.headers[key.toLowerCase()]=header;self.rawHeaders.push(key,header)});var reader=response.body.getReader();function read(){reader.read().then(function(result){if(self._destroyed)return;if(result.done){self.push(null);return}self.push(new Buffer(result.value));read()}).catch(function(err){self.emit("error",err)})}read()}else{self._xhr=xhr;self._pos=0;self.url=xhr.responseURL;self.statusCode=xhr.status;self.statusMessage=xhr.statusText;var headers=xhr.getAllResponseHeaders().split(/\r?\n/);headers.forEach(function(header){var matches=header.match(/^([^:]+):\s*(.*)/);if(matches){var key=matches[1].toLowerCase();if(key==="set-cookie"){if(self.headers[key]===undefined){self.headers[key]=[]}self.headers[key].push(matches[2])}else if(self.headers[key]!==undefined){self.headers[key]+=", "+matches[2]}else{self.headers[key]=matches[2]}self.rawHeaders.push(matches[1],matches[2])}});self._charset="x-user-defined";if(!capability.overrideMimeType){var mimeType=self.rawHeaders["mime-type"];if(mimeType){var charsetMatch=mimeType.match(/;\s*charset=([^;])(;|$)/);if(charsetMatch){self._charset=charsetMatch[1].toLowerCase()}}if(!self._charset)self._charset="utf-8"}}};inherits(IncomingMessage,stream.Readable);IncomingMessage.prototype._read=function(){}; | |
| IncomingMessage.prototype._onXHRProgress=function(){var self=this;var xhr=self._xhr;var response=null;switch(self._mode){case"text:vbarray":if(xhr.readyState!==rStates.DONE)break;try{response=new global.VBArray(xhr.responseBody).toArray()}catch(e){}if(response!==null){self.push(new Buffer(response));break}case"text":try{response=xhr.responseText}catch(e){self._mode="text:vbarray";break}if(response.length>self._pos){var newData=response.substr(self._pos);if(self._charset==="x-user-defined"){var buffer=new Buffer(newData.length);for(var i=0;i<newData.length;i++)buffer[i]=newData.charCodeAt(i)&255;self.push(buffer)}else{self.push(newData,self._charset)}self._pos=response.length}break;case"arraybuffer":if(xhr.readyState!==rStates.DONE||!xhr.response)break;response=xhr.response;self.push(new Buffer(new Uint8Array(response)));break;case"moz-chunked-arraybuffer":response=xhr.response;if(xhr.readyState!==rStates.LOADING||!response)break;self.push(new Buffer(new Uint8Array(response)));break;case"ms-stream":response=xhr.response;if(xhr.readyState!==rStates.LOADING)break;var reader=new global.MSStreamReader;reader.onprogress=function(){if(reader.result.byteLength>self._pos){self.push(new Buffer(new Uint8Array(reader.result.slice(self._pos))));self._pos=reader.result.byteLength}};reader.onload=function(){self.push(null)};reader.readAsArrayBuffer(response);break}if(self._xhr.readyState===rStates.DONE&&self._mode!=="ms-stream"){self.push(null)}}}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{},require("buffer").Buffer)},{"./capability":28,_process:10,buffer:2,inherits:8,"readable-stream":26}],31:[function(require,module,exports){module.exports={100:"Continue",101:"Switching Protocols",102:"Processing",200:"OK",201:"Created",202:"Accepted",203:"Non-Authoritative Information",204:"No Content",205:"Reset Content",206:"Partial Content",207:"Multi-Status",208:"Already Reported",226:"IM Used",300:"Multiple Choices",301:"Moved Permanently",302:"Found",303:"See Other",304:"Not Modified",305:"Use Proxy",307:"Temporary Redirect",308:"Permanent Redirect",400:"Bad Request",401:"Unauthorized",402:"Payment Required",403:"Forbidden",404:"Not Found",405:"Method Not Allowed",406:"Not Acceptable",407:"Proxy Authentication Required",408:"Request Timeout",409:"Conflict",410:"Gone",411:"Length Required",412:"Precondition Failed",413:"Payload Too Large",414:"URI Too Long",415:"Unsupported Media Type",416:"Range Not Satisfiable",417:"Expectation Failed",418:"I'm a teapot",421:"Misdirected Request",422:"Unprocessable Entity",423:"Locked",424:"Failed Dependency",425:"Unordered Collection",426:"Upgrade Required",428:"Precondition Required",429:"Too Many Requests",431:"Request Header Fields Too Large",451:"Unavailable For Legal Reasons",500:"Internal Server Error",501:"Not Implemented",502:"Bad Gateway",503:"Service Unavailable",504:"Gateway Timeout",505:"HTTP Version Not Supported",506:"Variant Also Negotiates",507:"Insufficient Storage",508:"Loop Detected",509:"Bandwidth Limit Exceeded",510:"Not Extended",511:"Network Authentication Required"}},{}],32:[function(require,module,exports){var Buffer=require("buffer").Buffer;module.exports=function(buf){if(buf instanceof Uint8Array){if(buf.byteOffset===0&&buf.byteLength===buf.buffer.byteLength){return buf.buffer}else if(typeof buf.buffer.slice==="function"){return buf.buffer.slice(buf.byteOffset,buf.byteOffset+buf.byteLength)}}if(Buffer.isBuffer(buf)){var arrayCopy=new Uint8Array(buf.length);var len=buf.length;for(var i=0;i<len;i++){arrayCopy[i]=buf[i]}return arrayCopy.buffer}else{throw new Error("Argument must be a Buffer")}}},{buffer:2}],33:[function(require,module,exports){var Buffer=require("buffer").Buffer;var isBufferEncoding=Buffer.isEncoding||function(encoding){switch(encoding&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return true;default:return false}};function assertEncoding(encoding){if(encoding&&!isBufferEncoding(encoding)){throw new Error("Unknown encoding: "+encoding)}}var StringDecoder=exports.StringDecoder=function(encoding){this.encoding=(encoding||"utf8").toLowerCase().replace(/[-_]/,"");assertEncoding(encoding);switch(this.encoding){case"utf8":this.surrogateSize=3;break;case"ucs2":case"utf16le":this.surrogateSize=2;this.detectIncompleteChar=utf16DetectIncompleteChar;break;case"base64":this.surrogateSize=3;this.detectIncompleteChar=base64DetectIncompleteChar;break;default:this.write=passThroughWrite;return}this.charBuffer=new Buffer(6);this.charReceived=0;this.charLength=0};StringDecoder.prototype.write=function(buffer){var charStr="";while(this.charLength){var available=buffer.length>=this.charLength-this.charReceived?this.charLength-this.charReceived:buffer.length;buffer.copy(this.charBuffer,this.charReceived,0,available);this.charReceived+=available;if(this.charReceived<this.charLength){return""}buffer=buffer.slice(available,buffer.length);charStr=this.charBuffer.slice(0,this.charLength).toString(this.encoding);var charCode=charStr.charCodeAt(charStr.length-1);if(charCode>=55296&&charCode<=56319){this.charLength+=this.surrogateSize;charStr="";continue}this.charReceived=this.charLength=0;if(buffer.length===0){return charStr}break}this.detectIncompleteChar(buffer);var end=buffer.length;if(this.charLength){buffer.copy(this.charBuffer,0,buffer.length-this.charReceived,end);end-=this.charReceived}charStr+=buffer.toString(this.encoding,0,end);var end=charStr.length-1;var charCode=charStr.charCodeAt(end);if(charCode>=55296&&charCode<=56319){var size=this.surrogateSize;this.charLength+=size;this.charReceived+=size;this.charBuffer.copy(this.charBuffer,size,0,size);buffer.copy(this.charBuffer,0,0,size);return charStr.substring(0,end)}return charStr};StringDecoder.prototype.detectIncompleteChar=function(buffer){var i=buffer.length>=3?3:buffer.length;for(;i>0;i--){var c=buffer[buffer.length-i];if(i==1&&c>>5==6){this.charLength=2;break}if(i<=2&&c>>4==14){this.charLength=3;break}if(i<=3&&c>>3==30){this.charLength=4;break}}this.charReceived=i};StringDecoder.prototype.end=function(buffer){var res="";if(buffer&&buffer.length)res=this.write(buffer);if(this.charReceived){var cr=this.charReceived;var buf=this.charBuffer;var enc=this.encoding;res+=buf.slice(0,cr).toString(enc)}return res};function passThroughWrite(buffer){return buffer.toString(this.encoding)}function utf16DetectIncompleteChar(buffer){this.charReceived=buffer.length%2;this.charLength=this.charReceived?2:0}function base64DetectIncompleteChar(buffer){this.charReceived=buffer.length%3;this.charLength=this.charReceived?3:0}},{buffer:2}],34:[function(require,module,exports){"use strict";var punycode=require("punycode");var util=require("./util");exports.parse=urlParse;exports.resolve=urlResolve;exports.resolveObject=urlResolveObject;exports.format=urlFormat;exports.Url=Url;function Url(){this.protocol=null;this.slashes=null;this.auth=null;this.host=null;this.port=null;this.hostname=null;this.hash=null;this.search=null;this.query=null;this.pathname=null;this.path=null;this.href=null}var protocolPattern=/^([a-z0-9.+-]+:)/i,portPattern=/:[0-9]*$/,simplePathPattern=/^(\/\/?(?!\/)[^\?\s]*)(\?[^\s]*)?$/,delims=["<",">",'"',"`"," ","\r","\n"," "],unwise=["{","}","|","\\","^","`"].concat(delims),autoEscape=["'"].concat(unwise),nonHostChars=["%","/","?",";","#"].concat(autoEscape),hostEndingChars=["/","?","#"],hostnameMaxLen=255,hostnamePartPattern=/^[+a-z0-9A-Z_-]{0,63}$/,hostnamePartStart=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,unsafeProtocol={javascript:true,"javascript:":true},hostlessProtocol={javascript:true,"javascript:":true},slashedProtocol={http:true,https:true,ftp:true,gopher:true,file:true,"http:":true,"https:":true,"ftp:":true,"gopher:":true,"file:":true},querystring=require("querystring");function urlParse(url,parseQueryString,slashesDenoteHost){if(url&&util.isObject(url)&&url instanceof Url)return url;var u=new Url;u.parse(url,parseQueryString,slashesDenoteHost);return u}Url.prototype.parse=function(url,parseQueryString,slashesDenoteHost){if(!util.isString(url)){throw new TypeError("Parameter 'url' must be a string, not "+typeof url)}var queryIndex=url.indexOf("?"),splitter=queryIndex!==-1&&queryIndex<url.indexOf("#")?"?":"#",uSplit=url.split(splitter),slashRegex=/\\/g;uSplit[0]=uSplit[0].replace(slashRegex,"/");url=uSplit.join(splitter);var rest=url;rest=rest.trim();if(!slashesDenoteHost&&url.split("#").length===1){var simplePath=simplePathPattern.exec(rest);if(simplePath){this.path=rest;this.href=rest;this.pathname=simplePath[1];if(simplePath[2]){this.search=simplePath[2];if(parseQueryString){this.query=querystring.parse(this.search.substr(1))}else{this.query=this.search.substr(1)}}else if(parseQueryString){this.search="";this.query={}}return this}}var proto=protocolPattern.exec(rest);if(proto){proto=proto[0];var lowerProto=proto.toLowerCase();this.protocol=lowerProto;rest=rest.substr(proto.length)}if(slashesDenoteHost||proto||rest.match(/^\/\/[^@\/]+@[^@\/]+/)){var slashes=rest.substr(0,2)==="//";if(slashes&&!(proto&&hostlessProtocol[proto])){rest=rest.substr(2);this.slashes=true}}if(!hostlessProtocol[proto]&&(slashes||proto&&!slashedProtocol[proto])){var hostEnd=-1;for(var i=0;i<hostEndingChars.length;i++){var hec=rest.indexOf(hostEndingChars[i]);if(hec!==-1&&(hostEnd===-1||hec<hostEnd))hostEnd=hec}var auth,atSign;if(hostEnd===-1){atSign=rest.lastIndexOf("@")}else{atSign=rest.lastIndexOf("@",hostEnd)}if(atSign!==-1){auth=rest.slice(0,atSign);rest=rest.slice(atSign+1);this.auth=decodeURIComponent(auth)}hostEnd=-1;for(var i=0;i<nonHostChars.length;i++){var hec=rest.indexOf(nonHostChars[i]);if(hec!==-1&&(hostEnd===-1||hec<hostEnd))hostEnd=hec}if(hostEnd===-1)hostEnd=rest.length;this.host=rest.slice(0,hostEnd);rest=rest.slice(hostEnd);this.parseHost();this.hostname=this.hostname||"";var ipv6Hostname=this.hostname[0]==="["&&this.hostname[this.hostname.length-1]==="]";if(!ipv6Hostname){var hostparts=this.hostname.split(/\./);for(var i=0,l=hostparts.length;i<l;i++){var part=hostparts[i];if(!part)continue;if(!part.match(hostnamePartPattern)){var newpart="";for(var j=0,k=part.length;j<k;j++){if(part.charCodeAt(j)>127){newpart+="x"}else{newpart+=part[j]}}if(!newpart.match(hostnamePartPattern)){var validParts=hostparts.slice(0,i);var notHost=hostparts.slice(i+1);var bit=part.match(hostnamePartStart);if(bit){validParts.push(bit[1]);notHost.unshift(bit[2])}if(notHost.length){rest="/"+notHost.join(".")+rest}this.hostname=validParts.join(".");break}}}}if(this.hostname.length>hostnameMaxLen){this.hostname=""}else{this.hostname=this.hostname.toLowerCase()}if(!ipv6Hostname){this.hostname=punycode.toASCII(this.hostname)}var p=this.port?":"+this.port:"";var h=this.hostname||"";this.host=h+p;this.href+=this.host;if(ipv6Hostname){this.hostname=this.hostname.substr(1,this.hostname.length-2);if(rest[0]!=="/"){rest="/"+rest}}}if(!unsafeProtocol[lowerProto]){for(var i=0,l=autoEscape.length;i<l;i++){var ae=autoEscape[i];if(rest.indexOf(ae)===-1)continue;var esc=encodeURIComponent(ae);if(esc===ae){esc=escape(ae)}rest=rest.split(ae).join(esc)}}var hash=rest.indexOf("#");if(hash!==-1){this.hash=rest.substr(hash);rest=rest.slice(0,hash)}var qm=rest.indexOf("?");if(qm!==-1){this.search=rest.substr(qm);this.query=rest.substr(qm+1);if(parseQueryString){this.query=querystring.parse(this.query)}rest=rest.slice(0,qm)}else if(parseQueryString){this.search="";this.query={}}if(rest)this.pathname=rest;if(slashedProtocol[lowerProto]&&this.hostname&&!this.pathname){this.pathname="/"}if(this.pathname||this.search){var p=this.pathname||"";var s=this.search||"";this.path=p+s}this.href=this.format();return this};function urlFormat(obj){if(util.isString(obj))obj=urlParse(obj);if(!(obj instanceof Url))return Url.prototype.format.call(obj);return obj.format()}Url.prototype.format=function(){var auth=this.auth||"";if(auth){auth=encodeURIComponent(auth);auth=auth.replace(/%3A/i,":");auth+="@"}var protocol=this.protocol||"",pathname=this.pathname||"",hash=this.hash||"",host=false,query="";if(this.host){host=auth+this.host}else if(this.hostname){host=auth+(this.hostname.indexOf(":")===-1?this.hostname:"["+this.hostname+"]");if(this.port){host+=":"+this.port}}if(this.query&&util.isObject(this.query)&&Object.keys(this.query).length){query=querystring.stringify(this.query)}var search=this.search||query&&"?"+query||"";if(protocol&&protocol.substr(-1)!==":")protocol+=":";if(this.slashes||(!protocol||slashedProtocol[protocol])&&host!==false){host="//"+(host||"");if(pathname&&pathname.charAt(0)!=="/")pathname="/"+pathname}else if(!host){host=""}if(hash&&hash.charAt(0)!=="#")hash="#"+hash;if(search&&search.charAt(0)!=="?")search="?"+search;pathname=pathname.replace(/[?#]/g,function(match){return encodeURIComponent(match)});search=search.replace("#","%23");return protocol+host+pathname+search+hash};function urlResolve(source,relative){return urlParse(source,false,true).resolve(relative)}Url.prototype.resolve=function(relative){return this.resolveObject(urlParse(relative,false,true)).format()};function urlResolveObject(source,relative){if(!source)return relative;return urlParse(source,false,true).resolveObject(relative)}Url.prototype.resolveObject=function(relative){if(util.isString(relative)){var rel=new Url;rel.parse(relative,false,true);relative=rel}var result=new Url;var tkeys=Object.keys(this);for(var tk=0;tk<tkeys.length;tk++){var tkey=tkeys[tk];result[tkey]=this[tkey]}result.hash=relative.hash;if(relative.href===""){result.href=result.format();return result}if(relative.slashes&&!relative.protocol){var rkeys=Object.keys(relative);for(var rk=0;rk<rkeys.length;rk++){var rkey=rkeys[rk];if(rkey!=="protocol")result[rkey]=relative[rkey]}if(slashedProtocol[result.protocol]&&result.hostname&&!result.pathname){result.path=result.pathname="/"}result.href=result.format();return result}if(relative.protocol&&relative.protocol!==result.protocol){if(!slashedProtocol[relative.protocol]){var keys=Object.keys(relative);for(var v=0;v<keys.length;v++){var k=keys[v];result[k]=relative[k]}result.href=result.format();return result}result.protocol=relative.protocol;if(!relative.host&&!hostlessProtocol[relative.protocol]){var relPath=(relative.pathname||"").split("/");while(relPath.length&&!(relative.host=relPath.shift()));if(!relative.host)relative.host="";if(!relative.hostname)relative.hostname="";if(relPath[0]!=="")relPath.unshift("");if(relPath.length<2)relPath.unshift("");result.pathname=relPath.join("/")}else{result.pathname=relative.pathname}result.search=relative.search;result.query=relative.query;result.host=relative.host||"";result.auth=relative.auth;result.hostname=relative.hostname||relative.host;result.port=relative.port;if(result.pathname||result.search){var p=result.pathname||"";var s=result.search||"";result.path=p+s}result.slashes=result.slashes||relative.slashes;result.href=result.format();return result}var isSourceAbs=result.pathname&&result.pathname.charAt(0)==="/",isRelAbs=relative.host||relative.pathname&&relative.pathname.charAt(0)==="/",mustEndAbs=isRelAbs||isSourceAbs||result.host&&relative.pathname,removeAllDots=mustEndAbs,srcPath=result.pathname&&result.pathname.split("/")||[],relPath=relative.pathname&&relative.pathname.split("/")||[],psychotic=result.protocol&&!slashedProtocol[result.protocol];if(psychotic){result.hostname="";result.port=null;if(result.host){if(srcPath[0]==="")srcPath[0]=result.host;else srcPath.unshift(result.host)}result.host="";if(relative.protocol){relative.hostname=null;relative.port=null;if(relative.host){if(relPath[0]==="")relPath[0]=relative.host;else relPath.unshift(relative.host)}relative.host=null}mustEndAbs=mustEndAbs&&(relPath[0]===""||srcPath[0]==="")}if(isRelAbs){result.host=relative.host||relative.host===""?relative.host:result.host;result.hostname=relative.hostname||relative.hostname===""?relative.hostname:result.hostname;result.search=relative.search;result.query=relative.query;srcPath=relPath}else if(relPath.length){if(!srcPath)srcPath=[];srcPath.pop();srcPath=srcPath.concat(relPath);result.search=relative.search;result.query=relative.query}else if(!util.isNullOrUndefined(relative.search)){if(psychotic){result.hostname=result.host=srcPath.shift();var authInHost=result.host&&result.host.indexOf("@")>0?result.host.split("@"):false;if(authInHost){result.auth=authInHost.shift();result.host=result.hostname=authInHost.shift()}}result.search=relative.search;result.query=relative.query;if(!util.isNull(result.pathname)||!util.isNull(result.search)){result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")}result.href=result.format();return result}if(!srcPath.length){result.pathname=null;if(result.search){result.path="/"+result.search}else{result.path=null}result.href=result.format();return result}var last=srcPath.slice(-1)[0];var hasTrailingSlash=(result.host||relative.host||srcPath.length>1)&&(last==="."||last==="..")||last==="";var up=0;for(var i=srcPath.length;i>=0;i--){last=srcPath[i];if(last==="."){srcPath.splice(i,1)}else if(last===".."){srcPath.splice(i,1);up++}else if(up){srcPath.splice(i,1);up--}}if(!mustEndAbs&&!removeAllDots){for(;up--;up){srcPath.unshift("..")}}if(mustEndAbs&&srcPath[0]!==""&&(!srcPath[0]||srcPath[0].charAt(0)!=="/")){srcPath.unshift("")}if(hasTrailingSlash&&srcPath.join("/").substr(-1)!=="/"){srcPath.push("")}var isAbsolute=srcPath[0]===""||srcPath[0]&&srcPath[0].charAt(0)==="/";if(psychotic){result.hostname=result.host=isAbsolute?"":srcPath.length?srcPath.shift():"";var authInHost=result.host&&result.host.indexOf("@")>0?result.host.split("@"):false;if(authInHost){result.auth=authInHost.shift();result.host=result.hostname=authInHost.shift()}}mustEndAbs=mustEndAbs||result.host&&srcPath.length;if(mustEndAbs&&!isAbsolute){srcPath.unshift("")}if(!srcPath.length){result.pathname=null;result.path=null}else{result.pathname=srcPath.join("/")}if(!util.isNull(result.pathname)||!util.isNull(result.search)){result.path=(result.pathname?result.pathname:"")+(result.search?result.search:"")}result.auth=relative.auth||result.auth;result.slashes=result.slashes||relative.slashes;result.href=result.format();return result};Url.prototype.parseHost=function(){var host=this.host;var port=portPattern.exec(host);if(port){port=port[0];if(port!==":"){this.port=port.substr(1)}host=host.substr(0,host.length-port.length)}if(host)this.hostname=host}},{"./util":35,punycode:11,querystring:14}],35:[function(require,module,exports){"use strict";module.exports={isString:function(arg){return typeof arg==="string"},isObject:function(arg){return typeof arg==="object"&&arg!==null},isNull:function(arg){return arg===null},isNullOrUndefined:function(arg){return arg==null}}},{}],36:[function(require,module,exports){module.exports=extend;var hasOwnProperty=Object.prototype.hasOwnProperty;function extend(){var target={};for(var i=0;i<arguments.length;i++){var source=arguments[i];for(var key in source){if(hasOwnProperty.call(source,key)){target[key]=source[key]}}}return target}},{}],fabric:[function(require,module,exports){(function(process,Buffer){var fabric=fabric||{version:"1.7.11"};if(typeof exports!=="undefined"){exports.fabric=fabric}if(typeof document!=="undefined"&&typeof window!=="undefined"){fabric.document=document;fabric.window=window;window.fabric=fabric}else{fabric.document=require("jsdom").jsdom(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"));if(fabric.document.createWindow){fabric.window=fabric.document.createWindow()}else{fabric.window=fabric.document.parentWindow}}fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement;fabric.isLikelyNode=typeof Buffer!=="undefined"&&typeof window==="undefined";fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id"];fabric.DPI=96;fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)";fabric.fontPaths={};fabric.iMatrix=[1,0,0,1,0,0];fabric.charWidthsCache={};fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1;(function(){function _removeEventListener(eventName,handler){if(!this.__eventListeners[eventName]){return}var eventListener=this.__eventListeners[eventName];if(handler){eventListener[eventListener.indexOf(handler)]=false}else{fabric.util.array.fill(eventListener,false)}}function observe(eventName,handler){if(!this.__eventListeners){this.__eventListeners={}}if(arguments.length===1){for(var prop in eventName){this.on(prop,eventName[prop])}}else{if(!this.__eventListeners[eventName]){this.__eventListeners[eventName]=[]}this.__eventListeners[eventName].push(handler)}return this}function stopObserving(eventName,handler){if(!this.__eventListeners){return}if(arguments.length===0){for(eventName in this.__eventListeners){_removeEventListener.call(this,eventName)}}else if(arguments.length===1&&typeof arguments[0]==="object"){for(var prop in eventName){_removeEventListener.call(this,prop,eventName[prop])}}else{_removeEventListener.call(this,eventName,handler)}return this}function fire(eventName,options){if(!this.__eventListeners){return}var listenersForEvent=this.__eventListeners[eventName];if(!listenersForEvent){return}for(var i=0,len=listenersForEvent.length;i<len;i++){listenersForEvent[i]&&listenersForEvent[i].call(this,options||{})}this.__eventListeners[eventName]=listenersForEvent.filter(function(value){return value!==false});return this}fabric.Observable={observe:observe,stopObserving:stopObserving,fire:fire,on:observe,off:stopObserving,trigger:fire}})();fabric.Collection={_objects:[],add:function(){this._objects.push.apply(this._objects,arguments);if(this._onObjectAdded){for(var i=0,length=arguments.length;i<length;i++){this._onObjectAdded(arguments[i])}}this.renderOnAddRemove&&this.renderAll();return this},insertAt:function(object,index,nonSplicing){var objects=this.getObjects();if(nonSplicing){objects[index]=object}else{objects.splice(index,0,object)}this._onObjectAdded&&this._onObjectAdded(object);this.renderOnAddRemove&&this.renderAll();return this},remove:function(){var objects=this.getObjects(),index,somethingRemoved=false;for(var i=0,length=arguments.length;i<length;i++){index=objects.indexOf(arguments[i]);if(index!==-1){somethingRemoved=true;objects.splice(index,1);this._onObjectRemoved&&this._onObjectRemoved(arguments[i])}}this.renderOnAddRemove&&somethingRemoved&&this.renderAll();return this},forEachObject:function(callback,context){var objects=this.getObjects();for(var i=0,len=objects.length;i<len;i++){callback.call(context,objects[i],i,objects)}return this},getObjects:function(type){if(typeof type==="undefined"){return this._objects}return this._objects.filter(function(o){return o.type===type})},item:function(index){return this.getObjects()[index]},isEmpty:function(){return this.getObjects().length===0},size:function(){return this.getObjects().length},contains:function(object){return this.getObjects().indexOf(object)>-1},complexity:function(){return this.getObjects().reduce(function(memo,current){memo+=current.complexity?current.complexity():0;return memo},0)}};fabric.CommonMethods={_setOptions:function(options){for(var prop in options){this.set(prop,options[prop])}},_initGradient:function(filler,property){if(filler&&filler.colorStops&&!(filler instanceof fabric.Gradient)){this.set(property,new fabric.Gradient(filler))}},_initPattern:function(filler,property,callback){if(filler&&filler.source&&!(filler instanceof fabric.Pattern)){this.set(property,new fabric.Pattern(filler,callback))}else{callback&&callback()}},_initClipping:function(options){if(!options.clipTo||typeof options.clipTo!=="string"){return}var functionBody=fabric.util.getFunctionBody(options.clipTo);if(typeof functionBody!=="undefined"){this.clipTo=new Function("ctx",functionBody)}},_setObject:function(obj){for(var prop in obj){this._set(prop,obj[prop])}},set:function(key,value){if(typeof key==="object"){this._setObject(key)}else{if(typeof value==="function"&&key!=="clipTo"){this._set(key,value(this.get(key)))}else{this._set(key,value)}}return this},_set:function(key,value){this[key]=value},toggle:function(property){var value=this.get(property);if(typeof value==="boolean"){this.set(property,!value)}return this},get:function(property){return this[property]}};(function(global){var sqrt=Math.sqrt,atan2=Math.atan2,pow=Math.pow,abs=Math.abs,PiBy180=Math.PI/180;fabric.util={removeFromArray:function(array,value){var idx=array.indexOf(value);if(idx!==-1){array.splice(idx,1)}return array},getRandomInt:function(min,max){return Math.floor(Math.random()*(max-min+1))+min},degreesToRadians:function(degrees){return degrees*PiBy180},radiansToDegrees:function(radians){return radians/PiBy180},rotatePoint:function(point,origin,radians){point.subtractEquals(origin);var v=fabric.util.rotateVector(point,radians);return new fabric.Point(v.x,v.y).addEquals(origin)},rotateVector:function(vector,radians){var sin=Math.sin(radians),cos=Math.cos(radians),rx=vector.x*cos-vector.y*sin,ry=vector.x*sin+vector.y*cos;return{x:rx,y:ry}},transformPoint:function(p,t,ignoreOffset){if(ignoreOffset){return new fabric.Point(t[0]*p.x+t[2]*p.y,t[1]*p.x+t[3]*p.y)}return new fabric.Point(t[0]*p.x+t[2]*p.y+t[4],t[1]*p.x+t[3]*p.y+t[5])},makeBoundingBoxFromPoints:function(points){var xPoints=[points[0].x,points[1].x,points[2].x,points[3].x],minX=fabric.util.array.min(xPoints),maxX=fabric.util.array.max(xPoints),width=Math.abs(minX-maxX),yPoints=[points[0].y,points[1].y,points[2].y,points[3].y],minY=fabric.util.array.min(yPoints),maxY=fabric.util.array.max(yPoints),height=Math.abs(minY-maxY);return{left:minX,top:minY,width:width,height:height}},invertTransform:function(t){var a=1/(t[0]*t[3]-t[1]*t[2]),r=[a*t[3],-a*t[1],-a*t[2],a*t[0]],o=fabric.util.transformPoint({x:t[4],y:t[5]},r,true);r[4]=-o.x;r[5]=-o.y;return r},toFixed:function(number,fractionDigits){return parseFloat(Number(number).toFixed(fractionDigits))},parseUnit:function(value,fontSize){var unit=/\D{0,2}$/.exec(value),number=parseFloat(value);if(!fontSize){fontSize=fabric.Text.DEFAULT_SVG_FONT_SIZE}switch(unit[0]){case"mm":return number*fabric.DPI/25.4;case"cm":return number*fabric.DPI/2.54;case"in":return number*fabric.DPI;case"pt":return number*fabric.DPI/72;case"pc":return number*fabric.DPI/72*12;case"em":return number*fontSize;default:return number}},falseFunction:function(){return false},getKlass:function(type,namespace){type=fabric.util.string.camelize(type.charAt(0).toUpperCase()+type.slice(1));return fabric.util.resolveNamespace(namespace)[type]},resolveNamespace:function(namespace){if(!namespace){return fabric}var parts=namespace.split("."),len=parts.length,i,obj=global||fabric.window;for(i=0;i<len;++i){obj=obj[parts[i]]}return obj},loadImage:function(url,callback,context,crossOrigin){if(!url){callback&&callback.call(context,url);return}var img=fabric.util.createImage();img.onload=function(){callback&&callback.call(context,img);img=img.onload=img.onerror=null};img.onerror=function(){fabric.log("Error loading "+img.src);callback&&callback.call(context,null,true);img=img.onload=img.onerror=null};if(url.indexOf("data")!==0&&crossOrigin){img.crossOrigin=crossOrigin}img.src=url},enlivenObjects:function(objects,callback,namespace,reviver){objects=objects||[];function onLoaded(){if(++numLoadedObjects===numTotalObjects){callback&&callback(enlivenedObjects)}}var enlivenedObjects=[],numLoadedObjects=0,numTotalObjects=objects.length,forceAsync=true;if(!numTotalObjects){callback&&callback(enlivenedObjects);return}objects.forEach(function(o,index){if(!o||!o.type){onLoaded();return}var klass=fabric.util.getKlass(o.type,namespace);klass.fromObject(o,function(obj,error){error||(enlivenedObjects[index]=obj);reviver&&reviver(o,obj,error);onLoaded()},forceAsync)})},enlivenPatterns:function(patterns,callback){patterns=patterns||[];function onLoaded(){if(++numLoadedPatterns===numPatterns){callback&&callback(enlivenedPatterns)}}var enlivenedPatterns=[],numLoadedPatterns=0,numPatterns=patterns.length;if(!numPatterns){callback&&callback(enlivenedPatterns);return}patterns.forEach(function(p,index){if(p&&p.source){new fabric.Pattern(p,function(pattern){enlivenedPatterns[index]=pattern;onLoaded()})}else{enlivenedPatterns[index]=p;onLoaded()}})},groupSVGElements:function(elements,options,path){var object;object=new fabric.PathGroup(elements,options);if(typeof path!=="undefined"){object.sourcePath=path}return object},populateWithProperties:function(source,destination,properties){if(properties&&Object.prototype.toString.call(properties)==="[object Array]"){for(var i=0,len=properties.length;i<len;i++){if(properties[i]in source){destination[properties[i]]=source[properties[i]]}}}},drawDashedLine:function(ctx,x,y,x2,y2,da){var dx=x2-x,dy=y2-y,len=sqrt(dx*dx+dy*dy),rot=atan2(dy,dx),dc=da.length,di=0,draw=true;ctx.save();ctx.translate(x,y);ctx.moveTo(0,0);ctx.rotate(rot);x=0;while(len>x){x+=da[di++%dc];if(x>len){x=len}ctx[draw?"lineTo":"moveTo"](x,0);draw=!draw}ctx.restore()},createCanvasElement:function(canvasEl){canvasEl||(canvasEl=fabric.document.createElement("canvas"));if(!canvasEl.getContext&&typeof G_vmlCanvasManager!=="undefined"){G_vmlCanvasManager.initElement(canvasEl)}return canvasEl},createImage:function(){return fabric.isLikelyNode?new(require("canvas").Image):fabric.document.createElement("img")},createAccessors:function(klass){var proto=klass.prototype,i,propName,capitalizedPropName,setterName,getterName;for(i=proto.stateProperties.length;i--;){propName=proto.stateProperties[i];capitalizedPropName=propName.charAt(0).toUpperCase()+propName.slice(1);setterName="set"+capitalizedPropName;getterName="get"+capitalizedPropName;if(!proto[getterName]){proto[getterName]=function(property){return new Function('return this.get("'+property+'")')}(propName)}if(!proto[setterName]){proto[setterName]=function(property){return new Function("value",'return this.set("'+property+'", value)')}(propName)}}},clipContext:function(receiver,ctx){ctx.save();ctx.beginPath();receiver.clipTo(ctx);ctx.clip()},multiplyTransformMatrices:function(a,b,is2x2){return[a[0]*b[0]+a[2]*b[1],a[1]*b[0]+a[3]*b[1],a[0]*b[2]+a[2]*b[3],a[1]*b[2]+a[3]*b[3],is2x2?0:a[0]*b[4]+a[2]*b[5]+a[4],is2x2?0:a[1]*b[4]+a[3]*b[5]+a[5]]},qrDecompose:function(a){var angle=atan2(a[1],a[0]),denom=pow(a[0],2)+pow(a[1],2),scaleX=sqrt(denom),scaleY=(a[0]*a[3]-a[2]*a[1])/scaleX,skewX=atan2(a[0]*a[2]+a[1]*a[3],denom);return{angle:angle/PiBy180,scaleX:scaleX,scaleY:scaleY,skewX:skewX/PiBy180,skewY:0,translateX:a[4],translateY:a[5]}},customTransformMatrix:function(scaleX,scaleY,skewX){var skewMatrixX=[1,0,abs(Math.tan(skewX*PiBy180)),1],scaleMatrix=[abs(scaleX),0,0,abs(scaleY)];return fabric.util.multiplyTransformMatrices(scaleMatrix,skewMatrixX,true)},resetObjectTransform:function(target){target.scaleX=1;target.scaleY=1;target.skewX=0;target.skewY=0;target.flipX=false;target.flipY=false;target.setAngle(0)},getFunctionBody:function(fn){return(String(fn).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(ctx,x,y,tolerance){if(tolerance>0){if(x>tolerance){x-=tolerance}else{x=0}if(y>tolerance){y-=tolerance}else{y=0}}var _isTransparent=true,i,temp,imageData=ctx.getImageData(x,y,tolerance*2||1,tolerance*2||1),l=imageData.data.length;for(i=3;i<l;i+=4){temp=imageData.data[i];_isTransparent=temp<=0;if(_isTransparent===false){break}}imageData=null;return _isTransparent},parsePreserveAspectRatioAttribute:function(attribute){var meetOrSlice="meet",alignX="Mid",alignY="Mid",aspectRatioAttrs=attribute.split(" "),align;if(aspectRatioAttrs&&aspectRatioAttrs.length){meetOrSlice=aspectRatioAttrs.pop();if(meetOrSlice!=="meet"&&meetOrSlice!=="slice"){align=meetOrSlice;meetOrSlice="meet"}else if(aspectRatioAttrs.length){align=aspectRatioAttrs.pop()}}alignX=align!=="none"?align.slice(1,4):"none"; | |
| alignY=align!=="none"?align.slice(5,8):"none";return{meetOrSlice:meetOrSlice,alignX:alignX,alignY:alignY}},clearFabricFontCache:function(fontFamily){if(!fontFamily){fabric.charWidthsCache={}}else if(fabric.charWidthsCache[fontFamily]){delete fabric.charWidthsCache[fontFamily]}}}})(typeof exports!=="undefined"?exports:this);(function(){var arcToSegmentsCache={},segmentToBezierCache={},boundsOfCurveCache={},_join=Array.prototype.join;function arcToSegments(toX,toY,rx,ry,large,sweep,rotateX){var argsString=_join.call(arguments);if(arcToSegmentsCache[argsString]){return arcToSegmentsCache[argsString]}var PI=Math.PI,th=rotateX*PI/180,sinTh=Math.sin(th),cosTh=Math.cos(th),fromX=0,fromY=0;rx=Math.abs(rx);ry=Math.abs(ry);var px=-cosTh*toX*.5-sinTh*toY*.5,py=-cosTh*toY*.5+sinTh*toX*.5,rx2=rx*rx,ry2=ry*ry,py2=py*py,px2=px*px,pl=rx2*ry2-rx2*py2-ry2*px2,root=0;if(pl<0){var s=Math.sqrt(1-pl/(rx2*ry2));rx*=s;ry*=s}else{root=(large===sweep?-1:1)*Math.sqrt(pl/(rx2*py2+ry2*px2))}var cx=root*rx*py/ry,cy=-root*ry*px/rx,cx1=cosTh*cx-sinTh*cy+toX*.5,cy1=sinTh*cx+cosTh*cy+toY*.5,mTheta=calcVectorAngle(1,0,(px-cx)/rx,(py-cy)/ry),dtheta=calcVectorAngle((px-cx)/rx,(py-cy)/ry,(-px-cx)/rx,(-py-cy)/ry);if(sweep===0&&dtheta>0){dtheta-=2*PI}else if(sweep===1&&dtheta<0){dtheta+=2*PI}var segments=Math.ceil(Math.abs(dtheta/PI*2)),result=[],mDelta=dtheta/segments,mT=8/3*Math.sin(mDelta/4)*Math.sin(mDelta/4)/Math.sin(mDelta/2),th3=mTheta+mDelta;for(var i=0;i<segments;i++){result[i]=segmentToBezier(mTheta,th3,cosTh,sinTh,rx,ry,cx1,cy1,mT,fromX,fromY);fromX=result[i][4];fromY=result[i][5];mTheta=th3;th3+=mDelta}arcToSegmentsCache[argsString]=result;return result}function segmentToBezier(th2,th3,cosTh,sinTh,rx,ry,cx1,cy1,mT,fromX,fromY){var argsString2=_join.call(arguments);if(segmentToBezierCache[argsString2]){return segmentToBezierCache[argsString2]}var costh2=Math.cos(th2),sinth2=Math.sin(th2),costh3=Math.cos(th3),sinth3=Math.sin(th3),toX=cosTh*rx*costh3-sinTh*ry*sinth3+cx1,toY=sinTh*rx*costh3+cosTh*ry*sinth3+cy1,cp1X=fromX+mT*(-cosTh*rx*sinth2-sinTh*ry*costh2),cp1Y=fromY+mT*(-sinTh*rx*sinth2+cosTh*ry*costh2),cp2X=toX+mT*(cosTh*rx*sinth3+sinTh*ry*costh3),cp2Y=toY+mT*(sinTh*rx*sinth3-cosTh*ry*costh3);segmentToBezierCache[argsString2]=[cp1X,cp1Y,cp2X,cp2Y,toX,toY];return segmentToBezierCache[argsString2]}function calcVectorAngle(ux,uy,vx,vy){var ta=Math.atan2(uy,ux),tb=Math.atan2(vy,vx);if(tb>=ta){return tb-ta}else{return 2*Math.PI-(ta-tb)}}fabric.util.drawArc=function(ctx,fx,fy,coords){var rx=coords[0],ry=coords[1],rot=coords[2],large=coords[3],sweep=coords[4],tx=coords[5],ty=coords[6],segs=[[],[],[],[]],segsNorm=arcToSegments(tx-fx,ty-fy,rx,ry,large,sweep,rot);for(var i=0,len=segsNorm.length;i<len;i++){segs[i][0]=segsNorm[i][0]+fx;segs[i][1]=segsNorm[i][1]+fy;segs[i][2]=segsNorm[i][2]+fx;segs[i][3]=segsNorm[i][3]+fy;segs[i][4]=segsNorm[i][4]+fx;segs[i][5]=segsNorm[i][5]+fy;ctx.bezierCurveTo.apply(ctx,segs[i])}};fabric.util.getBoundsOfArc=function(fx,fy,rx,ry,rot,large,sweep,tx,ty){var fromX=0,fromY=0,bound,bounds=[],segs=arcToSegments(tx-fx,ty-fy,rx,ry,large,sweep,rot);for(var i=0,len=segs.length;i<len;i++){bound=getBoundsOfCurve(fromX,fromY,segs[i][0],segs[i][1],segs[i][2],segs[i][3],segs[i][4],segs[i][5]);bounds.push({x:bound[0].x+fx,y:bound[0].y+fy});bounds.push({x:bound[1].x+fx,y:bound[1].y+fy});fromX=segs[i][4];fromY=segs[i][5]}return bounds};function getBoundsOfCurve(x0,y0,x1,y1,x2,y2,x3,y3){var argsString=_join.call(arguments);if(boundsOfCurveCache[argsString]){return boundsOfCurveCache[argsString]}var sqrt=Math.sqrt,min=Math.min,max=Math.max,abs=Math.abs,tvalues=[],bounds=[[],[]],a,b,c,t,t1,t2,b2ac,sqrtb2ac;b=6*x0-12*x1+6*x2;a=-3*x0+9*x1-9*x2+3*x3;c=3*x1-3*x0;for(var i=0;i<2;++i){if(i>0){b=6*y0-12*y1+6*y2;a=-3*y0+9*y1-9*y2+3*y3;c=3*y1-3*y0}if(abs(a)<1e-12){if(abs(b)<1e-12){continue}t=-c/b;if(0<t&&t<1){tvalues.push(t)}continue}b2ac=b*b-4*c*a;if(b2ac<0){continue}sqrtb2ac=sqrt(b2ac);t1=(-b+sqrtb2ac)/(2*a);if(0<t1&&t1<1){tvalues.push(t1)}t2=(-b-sqrtb2ac)/(2*a);if(0<t2&&t2<1){tvalues.push(t2)}}var x,y,j=tvalues.length,jlen=j,mt;while(j--){t=tvalues[j];mt=1-t;x=mt*mt*mt*x0+3*mt*mt*t*x1+3*mt*t*t*x2+t*t*t*x3;bounds[0][j]=x;y=mt*mt*mt*y0+3*mt*mt*t*y1+3*mt*t*t*y2+t*t*t*y3;bounds[1][j]=y}bounds[0][jlen]=x0;bounds[1][jlen]=y0;bounds[0][jlen+1]=x3;bounds[1][jlen+1]=y3;var result=[{x:min.apply(null,bounds[0]),y:min.apply(null,bounds[1])},{x:max.apply(null,bounds[0]),y:max.apply(null,bounds[1])}];boundsOfCurveCache[argsString]=result;return result}fabric.util.getBoundsOfCurve=getBoundsOfCurve})();(function(){var slice=Array.prototype.slice;if(!Array.prototype.indexOf){Array.prototype.indexOf=function(searchElement){if(this===void 0||this===null){throw new TypeError}var t=Object(this),len=t.length>>>0;if(len===0){return-1}var n=0;if(arguments.length>0){n=Number(arguments[1]);if(n!==n){n=0}else if(n!==0&&n!==Number.POSITIVE_INFINITY&&n!==Number.NEGATIVE_INFINITY){n=(n>0||-1)*Math.floor(Math.abs(n))}}if(n>=len){return-1}var k=n>=0?n:Math.max(len-Math.abs(n),0);for(;k<len;k++){if(k in t&&t[k]===searchElement){return k}}return-1}}if(!Array.prototype.forEach){Array.prototype.forEach=function(fn,context){for(var i=0,len=this.length>>>0;i<len;i++){if(i in this){fn.call(context,this[i],i,this)}}}}if(!Array.prototype.map){Array.prototype.map=function(fn,context){var result=[];for(var i=0,len=this.length>>>0;i<len;i++){if(i in this){result[i]=fn.call(context,this[i],i,this)}}return result}}if(!Array.prototype.every){Array.prototype.every=function(fn,context){for(var i=0,len=this.length>>>0;i<len;i++){if(i in this&&!fn.call(context,this[i],i,this)){return false}}return true}}if(!Array.prototype.some){Array.prototype.some=function(fn,context){for(var i=0,len=this.length>>>0;i<len;i++){if(i in this&&fn.call(context,this[i],i,this)){return true}}return false}}if(!Array.prototype.filter){Array.prototype.filter=function(fn,context){var result=[],val;for(var i=0,len=this.length>>>0;i<len;i++){if(i in this){val=this[i];if(fn.call(context,val,i,this)){result.push(val)}}}return result}}if(!Array.prototype.reduce){Array.prototype.reduce=function(fn){var len=this.length>>>0,i=0,rv;if(arguments.length>1){rv=arguments[1]}else{do{if(i in this){rv=this[i++];break}if(++i>=len){throw new TypeError}}while(true)}for(;i<len;i++){if(i in this){rv=fn.call(null,rv,this[i],i,this)}}return rv}}function invoke(array,method){var args=slice.call(arguments,2),result=[];for(var i=0,len=array.length;i<len;i++){result[i]=args.length?array[i][method].apply(array[i],args):array[i][method].call(array[i])}return result}function max(array,byProperty){return find(array,byProperty,function(value1,value2){return value1>=value2})}function min(array,byProperty){return find(array,byProperty,function(value1,value2){return value1<value2})}function fill(array,value){var k=array.length;while(k--){array[k]=value}return array}function find(array,byProperty,condition){if(!array||array.length===0){return}var i=array.length-1,result=byProperty?array[i][byProperty]:array[i];if(byProperty){while(i--){if(condition(array[i][byProperty],result)){result=array[i][byProperty]}}}else{while(i--){if(condition(array[i],result)){result=array[i]}}}return result}fabric.util.array={fill:fill,invoke:invoke,min:min,max:max}})();(function(){function extend(destination,source,deep){if(deep){if(!fabric.isLikelyNode&&source instanceof Element){destination=source}else if(source instanceof Array){destination=[];for(var i=0,len=source.length;i<len;i++){destination[i]=extend({},source[i],deep)}}else if(source&&typeof source==="object"){for(var property in source){if(source.hasOwnProperty(property)){destination[property]=extend({},source[property],deep)}}}else{destination=source}}else{for(var property in source){destination[property]=source[property]}}return destination}function clone(object,deep){return extend({},object,deep)}fabric.util.object={extend:extend,clone:clone}})();(function(){if(!String.prototype.trim){String.prototype.trim=function(){return this.replace(/^[\s\xA0]+/,"").replace(/[\s\xA0]+$/,"")}}function camelize(string){return string.replace(/-+(.)?/g,function(match,character){return character?character.toUpperCase():""})}function capitalize(string,firstLetterOnly){return string.charAt(0).toUpperCase()+(firstLetterOnly?string.slice(1):string.slice(1).toLowerCase())}function escapeXml(string){return string.replace(/&/g,"&").replace(/"/g,""").replace(/'/g,"'").replace(/</g,"<").replace(/>/g,">")}fabric.util.string={camelize:camelize,capitalize:capitalize,escapeXml:escapeXml}})();(function(){var slice=Array.prototype.slice,apply=Function.prototype.apply,Dummy=function(){};if(!Function.prototype.bind){Function.prototype.bind=function(thisArg){var _this=this,args=slice.call(arguments,1),bound;if(args.length){bound=function(){return apply.call(_this,this instanceof Dummy?this:thisArg,args.concat(slice.call(arguments)))}}else{bound=function(){return apply.call(_this,this instanceof Dummy?this:thisArg,arguments)}}Dummy.prototype=this.prototype;bound.prototype=new Dummy;return bound}}})();(function(){var slice=Array.prototype.slice,emptyFunction=function(){},IS_DONTENUM_BUGGY=function(){for(var p in{toString:1}){if(p==="toString"){return false}}return true}(),addMethods=function(klass,source,parent){for(var property in source){if(property in klass.prototype&&typeof klass.prototype[property]==="function"&&(source[property]+"").indexOf("callSuper")>-1){klass.prototype[property]=function(property){return function(){var superclass=this.constructor.superclass;this.constructor.superclass=parent;var returnValue=source[property].apply(this,arguments);this.constructor.superclass=superclass;if(property!=="initialize"){return returnValue}}}(property)}else{klass.prototype[property]=source[property]}if(IS_DONTENUM_BUGGY){if(source.toString!==Object.prototype.toString){klass.prototype.toString=source.toString}if(source.valueOf!==Object.prototype.valueOf){klass.prototype.valueOf=source.valueOf}}}};function Subclass(){}function callSuper(methodName){var parentMethod=null,_this=this;while(_this.constructor.superclass){var superClassMethod=_this.constructor.superclass.prototype[methodName];if(_this[methodName]!==superClassMethod){parentMethod=superClassMethod;break}_this=_this.constructor.superclass.prototype}if(!parentMethod){return console.log("tried to callSuper "+methodName+", method not found in prototype chain",this)}return arguments.length>1?parentMethod.apply(this,slice.call(arguments,1)):parentMethod.call(this)}function createClass(){var parent=null,properties=slice.call(arguments,0);if(typeof properties[0]==="function"){parent=properties.shift()}function klass(){this.initialize.apply(this,arguments)}klass.superclass=parent;klass.subclasses=[];if(parent){Subclass.prototype=parent.prototype;klass.prototype=new Subclass;parent.subclasses.push(klass)}for(var i=0,length=properties.length;i<length;i++){addMethods(klass,properties[i],parent)}if(!klass.prototype.initialize){klass.prototype.initialize=emptyFunction}klass.prototype.constructor=klass;klass.prototype.callSuper=callSuper;return klass}fabric.util.createClass=createClass})();(function(){var unknown="unknown";function areHostMethods(object){var methodNames=Array.prototype.slice.call(arguments,1),t,i,len=methodNames.length;for(i=0;i<len;i++){t=typeof object[methodNames[i]];if(!/^(?:function|object|unknown)$/.test(t)){return false}}return true}var getElement,setElement,getUniqueId=function(){var uid=0;return function(element){return element.__uniqueID||(element.__uniqueID="uniqueID__"+uid++)}}();(function(){var elements={};getElement=function(uid){return elements[uid]};setElement=function(uid,element){elements[uid]=element}})();function createListener(uid,handler){return{handler:handler,wrappedHandler:createWrappedHandler(uid,handler)}}function createWrappedHandler(uid,handler){return function(e){handler.call(getElement(uid),e||fabric.window.event)}}function createDispatcher(uid,eventName){return function(e){if(handlers[uid]&&handlers[uid][eventName]){var handlersForEvent=handlers[uid][eventName];for(var i=0,len=handlersForEvent.length;i<len;i++){handlersForEvent[i].call(this,e||fabric.window.event)}}}}var shouldUseAddListenerRemoveListener=areHostMethods(fabric.document.documentElement,"addEventListener","removeEventListener")&&areHostMethods(fabric.window,"addEventListener","removeEventListener"),shouldUseAttachEventDetachEvent=areHostMethods(fabric.document.documentElement,"attachEvent","detachEvent")&&areHostMethods(fabric.window,"attachEvent","detachEvent"),listeners={},handlers={},addListener,removeListener;if(shouldUseAddListenerRemoveListener){addListener=function(element,eventName,handler,options){element.addEventListener(eventName,handler,shouldUseAttachEventDetachEvent?false:options)};removeListener=function(element,eventName,handler,options){element.removeEventListener(eventName,handler,shouldUseAttachEventDetachEvent?false:options)}}else if(shouldUseAttachEventDetachEvent){addListener=function(element,eventName,handler){var uid=getUniqueId(element);setElement(uid,element);if(!listeners[uid]){listeners[uid]={}}if(!listeners[uid][eventName]){listeners[uid][eventName]=[]}var listener=createListener(uid,handler);listeners[uid][eventName].push(listener);element.attachEvent("on"+eventName,listener.wrappedHandler)};removeListener=function(element,eventName,handler){var uid=getUniqueId(element),listener;if(listeners[uid]&&listeners[uid][eventName]){for(var i=0,len=listeners[uid][eventName].length;i<len;i++){listener=listeners[uid][eventName][i];if(listener&&listener.handler===handler){element.detachEvent("on"+eventName,listener.wrappedHandler);listeners[uid][eventName][i]=null}}}}}else{addListener=function(element,eventName,handler){var uid=getUniqueId(element);if(!handlers[uid]){handlers[uid]={}}if(!handlers[uid][eventName]){handlers[uid][eventName]=[];var existingHandler=element["on"+eventName];if(existingHandler){handlers[uid][eventName].push(existingHandler)}element["on"+eventName]=createDispatcher(uid,eventName)}handlers[uid][eventName].push(handler)};removeListener=function(element,eventName,handler){var uid=getUniqueId(element);if(handlers[uid]&&handlers[uid][eventName]){var handlersForEvent=handlers[uid][eventName];for(var i=0,len=handlersForEvent.length;i<len;i++){if(handlersForEvent[i]===handler){handlersForEvent.splice(i,1)}}}}}fabric.util.addListener=addListener;fabric.util.removeListener=removeListener;function getPointer(event){event||(event=fabric.window.event);var element=event.target||(typeof event.srcElement!==unknown?event.srcElement:null),scroll=fabric.util.getScrollLeftTop(element);return{x:pointerX(event)+scroll.left,y:pointerY(event)+scroll.top}}var pointerX=function(event){return typeof event.clientX!==unknown?event.clientX:0},pointerY=function(event){return typeof event.clientY!==unknown?event.clientY:0};function _getPointer(event,pageProp,clientProp){var touchProp=event.type==="touchend"?"changedTouches":"touches";return event[touchProp]&&event[touchProp][0]?event[touchProp][0][pageProp]-(event[touchProp][0][pageProp]-event[touchProp][0][clientProp])||event[clientProp]:event[clientProp]}if(fabric.isTouchSupported){pointerX=function(event){return _getPointer(event,"pageX","clientX")};pointerY=function(event){return _getPointer(event,"pageY","clientY")}}fabric.util.getPointer=getPointer;fabric.util.object.extend(fabric.util,fabric.Observable)})();(function(){function setStyle(element,styles){var elementStyle=element.style;if(!elementStyle){return element}if(typeof styles==="string"){element.style.cssText+=";"+styles;return styles.indexOf("opacity")>-1?setOpacity(element,styles.match(/opacity:\s*(\d?\.?\d*)/)[1]):element}for(var property in styles){if(property==="opacity"){setOpacity(element,styles[property])}else{var normalizedProperty=property==="float"||property==="cssFloat"?typeof elementStyle.styleFloat==="undefined"?"cssFloat":"styleFloat":property;elementStyle[normalizedProperty]=styles[property]}}return element}var parseEl=fabric.document.createElement("div"),supportsOpacity=typeof parseEl.style.opacity==="string",supportsFilters=typeof parseEl.style.filter==="string",reOpacity=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,setOpacity=function(element){return element};if(supportsOpacity){setOpacity=function(element,value){element.style.opacity=value;return element}}else if(supportsFilters){setOpacity=function(element,value){var es=element.style;if(element.currentStyle&&!element.currentStyle.hasLayout){es.zoom=1}if(reOpacity.test(es.filter)){value=value>=.9999?"":"alpha(opacity="+value*100+")";es.filter=es.filter.replace(reOpacity,value)}else{es.filter+=" alpha(opacity="+value*100+")"}return element}}fabric.util.setStyle=setStyle})();(function(){var _slice=Array.prototype.slice;function getById(id){return typeof id==="string"?fabric.document.getElementById(id):id}var sliceCanConvertNodelists,toArray=function(arrayLike){return _slice.call(arrayLike,0)};try{sliceCanConvertNodelists=toArray(fabric.document.childNodes)instanceof Array}catch(err){}if(!sliceCanConvertNodelists){toArray=function(arrayLike){var arr=new Array(arrayLike.length),i=arrayLike.length;while(i--){arr[i]=arrayLike[i]}return arr}}function makeElement(tagName,attributes){var el=fabric.document.createElement(tagName);for(var prop in attributes){if(prop==="class"){el.className=attributes[prop]}else if(prop==="for"){el.htmlFor=attributes[prop]}else{el.setAttribute(prop,attributes[prop])}}return el}function addClass(element,className){if(element&&(" "+element.className+" ").indexOf(" "+className+" ")===-1){element.className+=(element.className?" ":"")+className}}function wrapElement(element,wrapper,attributes){if(typeof wrapper==="string"){wrapper=makeElement(wrapper,attributes)}if(element.parentNode){element.parentNode.replaceChild(wrapper,element)}wrapper.appendChild(element);return wrapper}function getScrollLeftTop(element){var left=0,top=0,docElement=fabric.document.documentElement,body=fabric.document.body||{scrollLeft:0,scrollTop:0};while(element&&(element.parentNode||element.host)){element=element.parentNode||element.host;if(element===fabric.document){left=body.scrollLeft||docElement.scrollLeft||0;top=body.scrollTop||docElement.scrollTop||0}else{left+=element.scrollLeft||0;top+=element.scrollTop||0}if(element.nodeType===1&&fabric.util.getElementStyle(element,"position")==="fixed"){break}}return{left:left,top:top}}function getElementOffset(element){var docElem,doc=element&&element.ownerDocument,box={left:0,top:0},offset={left:0,top:0},scrollLeftTop,offsetAttributes={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!doc){return offset}for(var attr in offsetAttributes){offset[offsetAttributes[attr]]+=parseInt(getElementStyle(element,attr),10)||0}docElem=doc.documentElement;if(typeof element.getBoundingClientRect!=="undefined"){box=element.getBoundingClientRect()}scrollLeftTop=getScrollLeftTop(element);return{left:box.left+scrollLeftTop.left-(docElem.clientLeft||0)+offset.left,top:box.top+scrollLeftTop.top-(docElem.clientTop||0)+offset.top}}var getElementStyle;if(fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle){getElementStyle=function(element,attr){var style=fabric.document.defaultView.getComputedStyle(element,null);return style?style[attr]:undefined}}else{getElementStyle=function(element,attr){var value=element.style[attr];if(!value&&element.currentStyle){value=element.currentStyle[attr]}return value}}(function(){var style=fabric.document.documentElement.style,selectProp="userSelect"in style?"userSelect":"MozUserSelect"in style?"MozUserSelect":"WebkitUserSelect"in style?"WebkitUserSelect":"KhtmlUserSelect"in style?"KhtmlUserSelect":"";function makeElementUnselectable(element){if(typeof element.onselectstart!=="undefined"){element.onselectstart=fabric.util.falseFunction}if(selectProp){element.style[selectProp]="none"}else if(typeof element.unselectable==="string"){element.unselectable="on"}return element}function makeElementSelectable(element){if(typeof element.onselectstart!=="undefined"){element.onselectstart=null}if(selectProp){element.style[selectProp]=""}else if(typeof element.unselectable==="string"){element.unselectable=""}return element}fabric.util.makeElementUnselectable=makeElementUnselectable;fabric.util.makeElementSelectable=makeElementSelectable})();(function(){function getScript(url,callback){var headEl=fabric.document.getElementsByTagName("head")[0],scriptEl=fabric.document.createElement("script"),loading=true;scriptEl.onload=scriptEl.onreadystatechange=function(e){if(loading){if(typeof this.readyState==="string"&&this.readyState!=="loaded"&&this.readyState!=="complete"){return}loading=false;callback(e||fabric.window.event);scriptEl=scriptEl.onload=scriptEl.onreadystatechange=null}};scriptEl.src=url;headEl.appendChild(scriptEl)}fabric.util.getScript=getScript})();fabric.util.getById=getById;fabric.util.toArray=toArray;fabric.util.makeElement=makeElement;fabric.util.addClass=addClass;fabric.util.wrapElement=wrapElement;fabric.util.getScrollLeftTop=getScrollLeftTop;fabric.util.getElementOffset=getElementOffset;fabric.util.getElementStyle=getElementStyle})();(function(){function addParamToUrl(url,param){return url+(/\?/.test(url)?"&":"?")+param}var makeXHR=function(){var factories=[function(){return new ActiveXObject("Microsoft.XMLHTTP")},function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new ActiveXObject("Msxml2.XMLHTTP.3.0")},function(){return new XMLHttpRequest}];for(var i=factories.length;i--;){try{var req=factories[i]();if(req){return factories[i]}}catch(err){}}}();function emptyFn(){}function request(url,options){options||(options={});var method=options.method?options.method.toUpperCase():"GET",onComplete=options.onComplete||function(){},xhr=makeXHR(),body=options.body||options.parameters;xhr.onreadystatechange=function(){if(xhr.readyState===4){onComplete(xhr);xhr.onreadystatechange=emptyFn}};if(method==="GET"){body=null;if(typeof options.parameters==="string"){url=addParamToUrl(url,options.parameters)}}xhr.open(method,url,true);if(method==="POST"||method==="PUT"){xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded")}xhr.send(body);return xhr}fabric.util.request=request})();fabric.log=function(){};fabric.warn=function(){};if(typeof console!=="undefined"){["log","warn"].forEach(function(methodName){if(typeof console[methodName]!=="undefined"&&typeof console[methodName].apply==="function"){fabric[methodName]=function(){return console[methodName].apply(console,arguments)}}})}(function(){function animate(options){requestAnimFrame(function(timestamp){options||(options={});var start=timestamp||+new Date,duration=options.duration||500,finish=start+duration,time,onChange=options.onChange||function(){},abort=options.abort||function(){return false},easing=options.easing||function(t,b,c,d){return-c*Math.cos(t/d*(Math.PI/2))+c+b},startValue="startValue"in options?options.startValue:0,endValue="endValue"in options?options.endValue:100,byValue=options.byValue||endValue-startValue;options.onStart&&options.onStart();(function tick(ticktime){time=ticktime||+new Date;var currentTime=time>finish?duration:time-start;if(abort()){options.onComplete&&options.onComplete();return}onChange(easing(currentTime,startValue,byValue,duration));if(time>finish){options.onComplete&&options.onComplete();return}requestAnimFrame(tick)})(start)})}var _requestAnimFrame=fabric.window.requestAnimationFrame||fabric.window.webkitRequestAnimationFrame||fabric.window.mozRequestAnimationFrame||fabric.window.oRequestAnimationFrame||fabric.window.msRequestAnimationFrame||function(callback){fabric.window.setTimeout(callback,1e3/60)};function requestAnimFrame(){return _requestAnimFrame.apply(fabric.window,arguments)}fabric.util.animate=animate;fabric.util.requestAnimFrame=requestAnimFrame})();(function(){function calculateColor(begin,end,pos){var color="rgba("+parseInt(begin[0]+pos*(end[0]-begin[0]),10)+","+parseInt(begin[1]+pos*(end[1]-begin[1]),10)+","+parseInt(begin[2]+pos*(end[2]-begin[2]),10);color+=","+(begin&&end?parseFloat(begin[3]+pos*(end[3]-begin[3])):1);color+=")";return color}function animateColor(fromColor,toColor,duration,options){var startColor=new fabric.Color(fromColor).getSource(),endColor=new fabric.Color(toColor).getSource();options=options||{};fabric.util.animate(fabric.util.object.extend(options,{duration:duration||500,startValue:startColor,endValue:endColor,byValue:endColor,easing:function(currentTime,startValue,byValue,duration){var posValue=options.colorEasing?options.colorEasing(currentTime,duration):1-Math.cos(currentTime/duration*(Math.PI/2));return calculateColor(startValue,byValue,posValue)}}))}fabric.util.animateColor=animateColor})();(function(){function normalize(a,c,p,s){if(a<Math.abs(c)){a=c;s=p/4}else{if(c===0&&a===0){s=p/(2*Math.PI)*Math.asin(1)}else{s=p/(2*Math.PI)*Math.asin(c/a)}}return{a:a,c:c,p:p,s:s}}function elastic(opts,t,d){return opts.a*Math.pow(2,10*(t-=1))*Math.sin((t*d-opts.s)*(2*Math.PI)/opts.p)}function easeOutCubic(t,b,c,d){return c*((t=t/d-1)*t*t+1)+b}function easeInOutCubic(t,b,c,d){t/=d/2;if(t<1){return c/2*t*t*t+b}return c/2*((t-=2)*t*t+2)+b}function easeInQuart(t,b,c,d){return c*(t/=d)*t*t*t+b}function easeOutQuart(t,b,c,d){return-c*((t=t/d-1)*t*t*t-1)+b}function easeInOutQuart(t,b,c,d){t/=d/2;if(t<1){return c/2*t*t*t*t+b}return-c/2*((t-=2)*t*t*t-2)+b}function easeInQuint(t,b,c,d){return c*(t/=d)*t*t*t*t+b}function easeOutQuint(t,b,c,d){return c*((t=t/d-1)*t*t*t*t+1)+b}function easeInOutQuint(t,b,c,d){t/=d/2;if(t<1){return c/2*t*t*t*t*t+b}return c/2*((t-=2)*t*t*t*t+2)+b}function easeInSine(t,b,c,d){return-c*Math.cos(t/d*(Math.PI/2))+c+b}function easeOutSine(t,b,c,d){return c*Math.sin(t/d*(Math.PI/2))+b}function easeInOutSine(t,b,c,d){return-c/2*(Math.cos(Math.PI*t/d)-1)+b}function easeInExpo(t,b,c,d){return t===0?b:c*Math.pow(2,10*(t/d-1))+b}function easeOutExpo(t,b,c,d){return t===d?b+c:c*(-Math.pow(2,-10*t/d)+1)+b}function easeInOutExpo(t,b,c,d){if(t===0){return b}if(t===d){return b+c}t/=d/2;if(t<1){return c/2*Math.pow(2,10*(t-1))+b}return c/2*(-Math.pow(2,-10*--t)+2)+b}function easeInCirc(t,b,c,d){return-c*(Math.sqrt(1-(t/=d)*t)-1)+b}function easeOutCirc(t,b,c,d){return c*Math.sqrt(1-(t=t/d-1)*t)+b}function easeInOutCirc(t,b,c,d){t/=d/2;if(t<1){return-c/2*(Math.sqrt(1-t*t)-1)+b}return c/2*(Math.sqrt(1-(t-=2)*t)+1)+b}function easeInElastic(t,b,c,d){var s=1.70158,p=0,a=c;if(t===0){return b}t/=d;if(t===1){return b+c}if(!p){p=d*.3}var opts=normalize(a,c,p,s);return-elastic(opts,t,d)+b}function easeOutElastic(t,b,c,d){var s=1.70158,p=0,a=c;if(t===0){return b}t/=d;if(t===1){return b+c}if(!p){p=d*.3}var opts=normalize(a,c,p,s);return opts.a*Math.pow(2,-10*t)*Math.sin((t*d-opts.s)*(2*Math.PI)/opts.p)+opts.c+b}function easeInOutElastic(t,b,c,d){var s=1.70158,p=0,a=c;if(t===0){return b}t/=d/2;if(t===2){return b+c}if(!p){p=d*(.3*1.5)}var opts=normalize(a,c,p,s);if(t<1){return-.5*elastic(opts,t,d)+b}return opts.a*Math.pow(2,-10*(t-=1))*Math.sin((t*d-opts.s)*(2*Math.PI)/opts.p)*.5+opts.c+b}function easeInBack(t,b,c,d,s){if(s===undefined){s=1.70158}return c*(t/=d)*t*((s+1)*t-s)+b}function easeOutBack(t,b,c,d,s){if(s===undefined){s=1.70158}return c*((t=t/d-1)*t*((s+1)*t+s)+1)+b}function easeInOutBack(t,b,c,d,s){if(s===undefined){s=1.70158}t/=d/2;if(t<1){return c/2*(t*t*(((s*=1.525)+1)*t-s))+b}return c/2*((t-=2)*t*(((s*=1.525)+1)*t+s)+2)+b}function easeInBounce(t,b,c,d){return c-easeOutBounce(d-t,0,c,d)+b}function easeOutBounce(t,b,c,d){if((t/=d)<1/2.75){return c*(7.5625*t*t)+b}else if(t<2/2.75){return c*(7.5625*(t-=1.5/2.75)*t+.75)+b}else if(t<2.5/2.75){return c*(7.5625*(t-=2.25/2.75)*t+.9375)+b}else{return c*(7.5625*(t-=2.625/2.75)*t+.984375)+b}}function easeInOutBounce(t,b,c,d){if(t<d/2){return easeInBounce(t*2,0,c,d)*.5+b}return easeOutBounce(t*2-d,0,c,d)*.5+c*.5+b}fabric.util.ease={easeInQuad:function(t,b,c,d){return c*(t/=d)*t+b},easeOutQuad:function(t,b,c,d){return-c*(t/=d)*(t-2)+b},easeInOutQuad:function(t,b,c,d){t/=d/2;if(t<1){return c/2*t*t+b}return-c/2*(--t*(t-2)-1)+b},easeInCubic:function(t,b,c,d){return c*(t/=d)*t*t+b},easeOutCubic:easeOutCubic,easeInOutCubic:easeInOutCubic,easeInQuart:easeInQuart,easeOutQuart:easeOutQuart,easeInOutQuart:easeInOutQuart,easeInQuint:easeInQuint,easeOutQuint:easeOutQuint,easeInOutQuint:easeInOutQuint,easeInSine:easeInSine,easeOutSine:easeOutSine,easeInOutSine:easeInOutSine,easeInExpo:easeInExpo,easeOutExpo:easeOutExpo,easeInOutExpo:easeInOutExpo,easeInCirc:easeInCirc,easeOutCirc:easeOutCirc,easeInOutCirc:easeInOutCirc,easeInElastic:easeInElastic,easeOutElastic:easeOutElastic,easeInOutElastic:easeInOutElastic,easeInBack:easeInBack,easeOutBack:easeOutBack,easeInOutBack:easeInOutBack,easeInBounce:easeInBounce,easeOutBounce:easeOutBounce,easeInOutBounce:easeInOutBounce}})();(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,clone=fabric.util.object.clone,toFixed=fabric.util.toFixed,parseUnit=fabric.util.parseUnit,multiplyTransformMatrices=fabric.util.multiplyTransformMatrices,reAllowedSVGTagNames=/^(path|circle|polygon|polyline|ellipse|rect|line|image|text)$/i,reViewBoxTagNames=/^(symbol|image|marker|pattern|view|svg)$/i,reNotAllowedAncestors=/^(?:pattern|defs|symbol|metadata|clipPath|mask)$/i,reAllowedParents=/^(symbol|g|a|svg)$/i,attributesMap={cx:"left",x:"left",r:"radius",cy:"top",y:"top",display:"visible",visibility:"visible",transform:"transformMatrix","fill-opacity":"fillOpacity","fill-rule":"fillRule","font-family":"fontFamily","font-size":"fontSize","font-style":"fontStyle","font-weight":"fontWeight","stroke-dasharray":"strokeDashArray","stroke-linecap":"strokeLineCap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit","stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"originX",opacity:"opacity"},colorAttributes={stroke:"strokeOpacity",fill:"fillOpacity"};fabric.cssRules={};fabric.gradientDefs={};function normalizeAttr(attr){if(attr in attributesMap){return attributesMap[attr]}return attr}function normalizeValue(attr,value,parentAttributes,fontSize){var isArray=Object.prototype.toString.call(value)==="[object Array]",parsed;if((attr==="fill"||attr==="stroke")&&value==="none"){value=""}else if(attr==="strokeDashArray"){if(value==="none"){value=null}else{value=value.replace(/,/g," ").split(/\s+/).map(function(n){return parseFloat(n)})}}else if(attr==="transformMatrix"){if(parentAttributes&&parentAttributes.transformMatrix){value=multiplyTransformMatrices(parentAttributes.transformMatrix,fabric.parseTransformAttribute(value))}else{value=fabric.parseTransformAttribute(value)}}else if(attr==="visible"){value=value==="none"||value==="hidden"?false:true;if(parentAttributes&&parentAttributes.visible===false){value=false}}else if(attr==="opacity"){value=parseFloat(value);if(parentAttributes&&typeof parentAttributes.opacity!=="undefined"){value*=parentAttributes.opacity}}else if(attr==="originX"){value=value==="start"?"left":value==="end"?"right":"center"}else{parsed=isArray?value.map(parseUnit):parseUnit(value,fontSize)}return!isArray&&isNaN(parsed)?value:parsed}function _setStrokeFillOpacity(attributes){for(var attr in colorAttributes){if(typeof attributes[colorAttributes[attr]]==="undefined"||attributes[attr]===""){continue}if(typeof attributes[attr]==="undefined"){if(!fabric.Object.prototype[attr]){continue}attributes[attr]=fabric.Object.prototype[attr]}if(attributes[attr].indexOf("url(")===0){continue}var color=new fabric.Color(attributes[attr]);attributes[attr]=color.setAlpha(toFixed(color.getAlpha()*attributes[colorAttributes[attr]],2)).toRgba()}return attributes}function _getMultipleNodes(doc,nodeNames){var nodeName,nodeArray=[],nodeList;for(var i=0;i<nodeNames.length;i++){nodeName=nodeNames[i];nodeList=doc.getElementsByTagName(nodeName);nodeArray=nodeArray.concat(Array.prototype.slice.call(nodeList))}return nodeArray}fabric.parseTransformAttribute=function(){ | |
| function rotateMatrix(matrix,args){var cos=Math.cos(args[0]),sin=Math.sin(args[0]),x=0,y=0;if(args.length===3){x=args[1];y=args[2]}matrix[0]=cos;matrix[1]=sin;matrix[2]=-sin;matrix[3]=cos;matrix[4]=x-(cos*x-sin*y);matrix[5]=y-(sin*x+cos*y)}function scaleMatrix(matrix,args){var multiplierX=args[0],multiplierY=args.length===2?args[1]:args[0];matrix[0]=multiplierX;matrix[3]=multiplierY}function skewMatrix(matrix,args,pos){matrix[pos]=Math.tan(fabric.util.degreesToRadians(args[0]))}function translateMatrix(matrix,args){matrix[4]=args[0];if(args.length===2){matrix[5]=args[1]}}var iMatrix=[1,0,0,1,0,0],number=fabric.reNum,commaWsp="(?:\\s+,?\\s*|,\\s*)",skewX="(?:(skewX)\\s*\\(\\s*("+number+")\\s*\\))",skewY="(?:(skewY)\\s*\\(\\s*("+number+")\\s*\\))",rotate="(?:(rotate)\\s*\\(\\s*("+number+")(?:"+commaWsp+"("+number+")"+commaWsp+"("+number+"))?\\s*\\))",scale="(?:(scale)\\s*\\(\\s*("+number+")(?:"+commaWsp+"("+number+"))?\\s*\\))",translate="(?:(translate)\\s*\\(\\s*("+number+")(?:"+commaWsp+"("+number+"))?\\s*\\))",matrix="(?:(matrix)\\s*\\(\\s*"+"("+number+")"+commaWsp+"("+number+")"+commaWsp+"("+number+")"+commaWsp+"("+number+")"+commaWsp+"("+number+")"+commaWsp+"("+number+")"+"\\s*\\))",transform="(?:"+matrix+"|"+translate+"|"+scale+"|"+rotate+"|"+skewX+"|"+skewY+")",transforms="(?:"+transform+"(?:"+commaWsp+"*"+transform+")*"+")",transformList="^\\s*(?:"+transforms+"?)\\s*$",reTransformList=new RegExp(transformList),reTransform=new RegExp(transform,"g");return function(attributeValue){var matrix=iMatrix.concat(),matrices=[];if(!attributeValue||attributeValue&&!reTransformList.test(attributeValue)){return matrix}attributeValue.replace(reTransform,function(match){var m=new RegExp(transform).exec(match).filter(function(match){return!!match}),operation=m[1],args=m.slice(2).map(parseFloat);switch(operation){case"translate":translateMatrix(matrix,args);break;case"rotate":args[0]=fabric.util.degreesToRadians(args[0]);rotateMatrix(matrix,args);break;case"scale":scaleMatrix(matrix,args);break;case"skewX":skewMatrix(matrix,args,2);break;case"skewY":skewMatrix(matrix,args,1);break;case"matrix":matrix=args;break}matrices.push(matrix.concat());matrix=iMatrix.concat()});var combinedMatrix=matrices[0];while(matrices.length>1){matrices.shift();combinedMatrix=fabric.util.multiplyTransformMatrices(combinedMatrix,matrices[0])}return combinedMatrix}}();function parseStyleString(style,oStyle){var attr,value;style.replace(/;\s*$/,"").split(";").forEach(function(chunk){var pair=chunk.split(":");attr=pair[0].trim().toLowerCase();value=pair[1].trim();oStyle[attr]=value})}function parseStyleObject(style,oStyle){var attr,value;for(var prop in style){if(typeof style[prop]==="undefined"){continue}attr=prop.toLowerCase();value=style[prop];oStyle[attr]=value}}function getGlobalStylesForElement(element,svgUid){var styles={};for(var rule in fabric.cssRules[svgUid]){if(elementMatchesRule(element,rule.split(" "))){for(var property in fabric.cssRules[svgUid][rule]){styles[property]=fabric.cssRules[svgUid][rule][property]}}}return styles}function elementMatchesRule(element,selectors){var firstMatching,parentMatching=true;firstMatching=selectorMatches(element,selectors.pop());if(firstMatching&&selectors.length){parentMatching=doesSomeParentMatch(element,selectors)}return firstMatching&&parentMatching&&selectors.length===0}function doesSomeParentMatch(element,selectors){var selector,parentMatching=true;while(element.parentNode&&element.parentNode.nodeType===1&&selectors.length){if(parentMatching){selector=selectors.pop()}element=element.parentNode;parentMatching=selectorMatches(element,selector)}return selectors.length===0}function selectorMatches(element,selector){var nodeName=element.nodeName,classNames=element.getAttribute("class"),id=element.getAttribute("id"),matcher;matcher=new RegExp("^"+nodeName,"i");selector=selector.replace(matcher,"");if(id&&selector.length){matcher=new RegExp("#"+id+"(?![a-zA-Z\\-]+)","i");selector=selector.replace(matcher,"")}if(classNames&&selector.length){classNames=classNames.split(" ");for(var i=classNames.length;i--;){matcher=new RegExp("\\."+classNames[i]+"(?![a-zA-Z\\-]+)","i");selector=selector.replace(matcher,"")}}return selector.length===0}function elementById(doc,id){var el;doc.getElementById&&(el=doc.getElementById(id));if(el){return el}var node,i,nodelist=doc.getElementsByTagName("*");for(i=0;i<nodelist.length;i++){node=nodelist[i];if(id===node.getAttribute("id")){return node}}}function parseUseDirectives(doc){var nodelist=_getMultipleNodes(doc,["use","svg:use"]),i=0;while(nodelist.length&&i<nodelist.length){var el=nodelist[i],xlink=el.getAttribute("xlink:href").substr(1),x=el.getAttribute("x")||0,y=el.getAttribute("y")||0,el2=elementById(doc,xlink).cloneNode(true),currentTrans=(el2.getAttribute("transform")||"")+" translate("+x+", "+y+")",parentNode,oldLength=nodelist.length,attr,j,attrs,l;applyViewboxTransform(el2);if(/^svg$/i.test(el2.nodeName)){var el3=el2.ownerDocument.createElement("g");for(j=0,attrs=el2.attributes,l=attrs.length;j<l;j++){attr=attrs.item(j);el3.setAttribute(attr.nodeName,attr.nodeValue)}while(el2.firstChild){el3.appendChild(el2.firstChild)}el2=el3}for(j=0,attrs=el.attributes,l=attrs.length;j<l;j++){attr=attrs.item(j);if(attr.nodeName==="x"||attr.nodeName==="y"||attr.nodeName==="xlink:href"){continue}if(attr.nodeName==="transform"){currentTrans=attr.nodeValue+" "+currentTrans}else{el2.setAttribute(attr.nodeName,attr.nodeValue)}}el2.setAttribute("transform",currentTrans);el2.setAttribute("instantiated_by_use","1");el2.removeAttribute("id");parentNode=el.parentNode;parentNode.replaceChild(el2,el);if(nodelist.length===oldLength){i++}}}var reViewBoxAttrValue=new RegExp("^"+"\\s*("+fabric.reNum+"+)\\s*,?"+"\\s*("+fabric.reNum+"+)\\s*,?"+"\\s*("+fabric.reNum+"+)\\s*,?"+"\\s*("+fabric.reNum+"+)\\s*"+"$");function applyViewboxTransform(element){var viewBoxAttr=element.getAttribute("viewBox"),scaleX=1,scaleY=1,minX=0,minY=0,viewBoxWidth,viewBoxHeight,matrix,el,widthAttr=element.getAttribute("width"),heightAttr=element.getAttribute("height"),x=element.getAttribute("x")||0,y=element.getAttribute("y")||0,preserveAspectRatio=element.getAttribute("preserveAspectRatio")||"",missingViewBox=!viewBoxAttr||!reViewBoxTagNames.test(element.nodeName)||!(viewBoxAttr=viewBoxAttr.match(reViewBoxAttrValue)),missingDimAttr=!widthAttr||!heightAttr||widthAttr==="100%"||heightAttr==="100%",toBeParsed=missingViewBox&&missingDimAttr,parsedDim={},translateMatrix="";parsedDim.width=0;parsedDim.height=0;parsedDim.toBeParsed=toBeParsed;if(toBeParsed){return parsedDim}if(missingViewBox){parsedDim.width=parseUnit(widthAttr);parsedDim.height=parseUnit(heightAttr);return parsedDim}minX=-parseFloat(viewBoxAttr[1]);minY=-parseFloat(viewBoxAttr[2]);viewBoxWidth=parseFloat(viewBoxAttr[3]);viewBoxHeight=parseFloat(viewBoxAttr[4]);if(!missingDimAttr){parsedDim.width=parseUnit(widthAttr);parsedDim.height=parseUnit(heightAttr);scaleX=parsedDim.width/viewBoxWidth;scaleY=parsedDim.height/viewBoxHeight}else{parsedDim.width=viewBoxWidth;parsedDim.height=viewBoxHeight}preserveAspectRatio=fabric.util.parsePreserveAspectRatioAttribute(preserveAspectRatio);if(preserveAspectRatio.alignX!=="none"){scaleY=scaleX=scaleX>scaleY?scaleY:scaleX}if(scaleX===1&&scaleY===1&&minX===0&&minY===0&&x===0&&y===0){return parsedDim}if(x||y){translateMatrix=" translate("+parseUnit(x)+" "+parseUnit(y)+") "}matrix=translateMatrix+" matrix("+scaleX+" 0"+" 0 "+scaleY+" "+minX*scaleX+" "+minY*scaleY+") ";if(element.nodeName==="svg"){el=element.ownerDocument.createElement("g");while(element.firstChild){el.appendChild(element.firstChild)}element.appendChild(el)}else{el=element;matrix=el.getAttribute("transform")+matrix}el.setAttribute("transform",matrix);return parsedDim}function hasAncestorWithNodeName(element,nodeName){while(element&&(element=element.parentNode)){if(element.nodeName&&nodeName.test(element.nodeName.replace("svg:",""))&&!element.getAttribute("instantiated_by_use")){return true}}return false}fabric.parseSVGDocument=function(doc,callback,reviver,parsingOptions){if(!doc){return}parseUseDirectives(doc);var svgUid=fabric.Object.__uid++,options=applyViewboxTransform(doc),descendants=fabric.util.toArray(doc.getElementsByTagName("*"));options.crossOrigin=parsingOptions&&parsingOptions.crossOrigin;options.svgUid=svgUid;if(descendants.length===0&&fabric.isLikelyNode){descendants=doc.selectNodes('//*[name(.)!="svg"]');var arr=[];for(var i=0,len=descendants.length;i<len;i++){arr[i]=descendants[i]}descendants=arr}var elements=descendants.filter(function(el){applyViewboxTransform(el);return reAllowedSVGTagNames.test(el.nodeName.replace("svg:",""))&&!hasAncestorWithNodeName(el,reNotAllowedAncestors)});if(!elements||elements&&!elements.length){callback&&callback([],{});return}fabric.gradientDefs[svgUid]=fabric.getGradientDefs(doc);fabric.cssRules[svgUid]=fabric.getCSSRules(doc);fabric.parseElements(elements,function(instances){if(callback){callback(instances,options)}},clone(options),reviver,parsingOptions)};var reFontDeclaration=new RegExp("(normal|italic)?\\s*(normal|small-caps)?\\s*"+"(normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900)?\\s*("+fabric.reNum+"(?:px|cm|mm|em|pt|pc|in)*)(?:\\/(normal|"+fabric.reNum+"))?\\s+(.*)");extend(fabric,{parseFontDeclaration:function(value,oStyle){var match=value.match(reFontDeclaration);if(!match){return}var fontStyle=match[1],fontWeight=match[3],fontSize=match[4],lineHeight=match[5],fontFamily=match[6];if(fontStyle){oStyle.fontStyle=fontStyle}if(fontWeight){oStyle.fontWeight=isNaN(parseFloat(fontWeight))?fontWeight:parseFloat(fontWeight)}if(fontSize){oStyle.fontSize=parseUnit(fontSize)}if(fontFamily){oStyle.fontFamily=fontFamily}if(lineHeight){oStyle.lineHeight=lineHeight==="normal"?1:lineHeight}},getGradientDefs:function(doc){var tagArray=["linearGradient","radialGradient","svg:linearGradient","svg:radialGradient"],elList=_getMultipleNodes(doc,tagArray),el,j=0,id,xlink,gradientDefs={},idsToXlinkMap={};j=elList.length;while(j--){el=elList[j];xlink=el.getAttribute("xlink:href");id=el.getAttribute("id");if(xlink){idsToXlinkMap[id]=xlink.substr(1)}gradientDefs[id]=el}for(id in idsToXlinkMap){var el2=gradientDefs[idsToXlinkMap[id]].cloneNode(true);el=gradientDefs[id];while(el2.firstChild){el.appendChild(el2.firstChild)}}return gradientDefs},parseAttributes:function(element,attributes,svgUid){if(!element){return}var value,parentAttributes={},fontSize;if(typeof svgUid==="undefined"){svgUid=element.getAttribute("svgUid")}if(element.parentNode&&reAllowedParents.test(element.parentNode.nodeName)){parentAttributes=fabric.parseAttributes(element.parentNode,attributes,svgUid)}fontSize=parentAttributes&&parentAttributes.fontSize||element.getAttribute("font-size")||fabric.Text.DEFAULT_SVG_FONT_SIZE;var ownAttributes=attributes.reduce(function(memo,attr){value=element.getAttribute(attr);if(value){memo[attr]=value}return memo},{});ownAttributes=extend(ownAttributes,extend(getGlobalStylesForElement(element,svgUid),fabric.parseStyleAttribute(element)));var normalizedAttr,normalizedValue,normalizedStyle={};for(var attr in ownAttributes){normalizedAttr=normalizeAttr(attr);normalizedValue=normalizeValue(normalizedAttr,ownAttributes[attr],parentAttributes,fontSize);normalizedStyle[normalizedAttr]=normalizedValue}if(normalizedStyle&&normalizedStyle.font){fabric.parseFontDeclaration(normalizedStyle.font,normalizedStyle)}var mergedAttrs=extend(parentAttributes,normalizedStyle);return reAllowedParents.test(element.nodeName)?mergedAttrs:_setStrokeFillOpacity(mergedAttrs)},parseElements:function(elements,callback,options,reviver,parsingOptions){new fabric.ElementsParser(elements,callback,options,reviver,parsingOptions).parse()},parseStyleAttribute:function(element){var oStyle={},style=element.getAttribute("style");if(!style){return oStyle}if(typeof style==="string"){parseStyleString(style,oStyle)}else{parseStyleObject(style,oStyle)}return oStyle},parsePointsAttribute:function(points){if(!points){return null}points=points.replace(/,/g," ").trim();points=points.split(/\s+/);var parsedPoints=[],i,len;i=0;len=points.length;for(;i<len;i+=2){parsedPoints.push({x:parseFloat(points[i]),y:parseFloat(points[i+1])})}return parsedPoints},getCSSRules:function(doc){var styles=doc.getElementsByTagName("style"),allRules={},rules;for(var i=0,len=styles.length;i<len;i++){var styleContents=styles[i].textContent||styles[i].text;styleContents=styleContents.replace(/\/\*[\s\S]*?\*\//g,"");if(styleContents.trim()===""){continue}rules=styleContents.match(/[^{]*\{[\s\S]*?\}/g);rules=rules.map(function(rule){return rule.trim()});rules.forEach(function(rule){var match=rule.match(/([\s\S]*?)\s*\{([^}]*)\}/),ruleObj={},declaration=match[2].trim(),propertyValuePairs=declaration.replace(/;$/,"").split(/\s*;\s*/);for(var i=0,len=propertyValuePairs.length;i<len;i++){var pair=propertyValuePairs[i].split(/\s*:\s*/),property=pair[0],value=pair[1];ruleObj[property]=value}rule=match[1];rule.split(",").forEach(function(_rule){_rule=_rule.replace(/^svg/i,"").trim();if(_rule===""){return}if(allRules[_rule]){fabric.util.object.extend(allRules[_rule],ruleObj)}else{allRules[_rule]=fabric.util.object.clone(ruleObj)}})})}return allRules},loadSVGFromURL:function(url,callback,reviver,options){url=url.replace(/^\n\s*/,"").trim();new fabric.util.request(url,{method:"get",onComplete:onComplete});function onComplete(r){var xml=r.responseXML;if(xml&&!xml.documentElement&&fabric.window.ActiveXObject&&r.responseText){xml=new ActiveXObject("Microsoft.XMLDOM");xml.async="false";xml.loadXML(r.responseText.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,""))}if(!xml||!xml.documentElement){callback&&callback(null)}fabric.parseSVGDocument(xml.documentElement,function(results,_options){callback&&callback(results,_options)},reviver,options)}},loadSVGFromString:function(string,callback,reviver,options){string=string.trim();var doc;if(typeof DOMParser!=="undefined"){var parser=new DOMParser;if(parser&&parser.parseFromString){doc=parser.parseFromString(string,"text/xml")}}else if(fabric.window.ActiveXObject){doc=new ActiveXObject("Microsoft.XMLDOM");doc.async="false";doc.loadXML(string.replace(/<!DOCTYPE[\s\S]*?(\[[\s\S]*\])*?>/i,""))}fabric.parseSVGDocument(doc.documentElement,function(results,_options){callback(results,_options)},reviver,options)}})})(typeof exports!=="undefined"?exports:this);fabric.ElementsParser=function(elements,callback,options,reviver,parsingOptions){this.elements=elements;this.callback=callback;this.options=options;this.reviver=reviver;this.svgUid=options&&options.svgUid||0;this.parsingOptions=parsingOptions};fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length);this.numElements=this.elements.length;this.createObjects()};fabric.ElementsParser.prototype.createObjects=function(){for(var i=0,len=this.elements.length;i<len;i++){this.elements[i].setAttribute("svgUid",this.svgUid);(function(_obj,i){setTimeout(function(){_obj.createObject(_obj.elements[i],i)},0)})(this,i)}};fabric.ElementsParser.prototype.createObject=function(el,index){var klass=fabric[fabric.util.string.capitalize(el.tagName.replace("svg:",""))];if(klass&&klass.fromElement){try{this._createObject(klass,el,index)}catch(err){fabric.log(err)}}else{this.checkIfDone()}};fabric.ElementsParser.prototype._createObject=function(klass,el,index){if(klass.async){klass.fromElement(el,this.createCallback(index,el),this.options)}else{var obj=klass.fromElement(el,this.options);this.resolveGradient(obj,"fill");this.resolveGradient(obj,"stroke");this.reviver&&this.reviver(el,obj);this.instances[index]=obj;this.checkIfDone()}};fabric.ElementsParser.prototype.createCallback=function(index,el){var _this=this;return function(obj){_this.resolveGradient(obj,"fill");_this.resolveGradient(obj,"stroke");_this.reviver&&_this.reviver(el,obj);_this.instances[index]=obj;_this.checkIfDone()}};fabric.ElementsParser.prototype.resolveGradient=function(obj,property){var instanceFillValue=obj.get(property);if(!/^url\(/.test(instanceFillValue)){return}var gradientId=instanceFillValue.slice(5,instanceFillValue.length-1);if(fabric.gradientDefs[this.svgUid][gradientId]){obj.set(property,fabric.Gradient.fromElement(fabric.gradientDefs[this.svgUid][gradientId],obj))}};fabric.ElementsParser.prototype.checkIfDone=function(){if(--this.numElements===0){this.instances=this.instances.filter(function(el){return el!=null});this.callback(this.instances)}};(function(global){"use strict";var fabric=global.fabric||(global.fabric={});if(fabric.Point){fabric.warn("fabric.Point is already defined");return}fabric.Point=Point;function Point(x,y){this.x=x;this.y=y}Point.prototype={type:"point",constructor:Point,add:function(that){return new Point(this.x+that.x,this.y+that.y)},addEquals:function(that){this.x+=that.x;this.y+=that.y;return this},scalarAdd:function(scalar){return new Point(this.x+scalar,this.y+scalar)},scalarAddEquals:function(scalar){this.x+=scalar;this.y+=scalar;return this},subtract:function(that){return new Point(this.x-that.x,this.y-that.y)},subtractEquals:function(that){this.x-=that.x;this.y-=that.y;return this},scalarSubtract:function(scalar){return new Point(this.x-scalar,this.y-scalar)},scalarSubtractEquals:function(scalar){this.x-=scalar;this.y-=scalar;return this},multiply:function(scalar){return new Point(this.x*scalar,this.y*scalar)},multiplyEquals:function(scalar){this.x*=scalar;this.y*=scalar;return this},divide:function(scalar){return new Point(this.x/scalar,this.y/scalar)},divideEquals:function(scalar){this.x/=scalar;this.y/=scalar;return this},eq:function(that){return this.x===that.x&&this.y===that.y},lt:function(that){return this.x<that.x&&this.y<that.y},lte:function(that){return this.x<=that.x&&this.y<=that.y},gt:function(that){return this.x>that.x&&this.y>that.y},gte:function(that){return this.x>=that.x&&this.y>=that.y},lerp:function(that,t){if(typeof t==="undefined"){t=.5}t=Math.max(Math.min(1,t),0);return new Point(this.x+(that.x-this.x)*t,this.y+(that.y-this.y)*t)},distanceFrom:function(that){var dx=this.x-that.x,dy=this.y-that.y;return Math.sqrt(dx*dx+dy*dy)},midPointFrom:function(that){return this.lerp(that)},min:function(that){return new Point(Math.min(this.x,that.x),Math.min(this.y,that.y))},max:function(that){return new Point(Math.max(this.x,that.x),Math.max(this.y,that.y))},toString:function(){return this.x+","+this.y},setXY:function(x,y){this.x=x;this.y=y;return this},setX:function(x){this.x=x;return this},setY:function(y){this.y=y;return this},setFromPoint:function(that){this.x=that.x;this.y=that.y;return this},swap:function(that){var x=this.x,y=this.y;this.x=that.x;this.y=that.y;that.x=x;that.y=y},clone:function(){return new Point(this.x,this.y)}}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={});if(fabric.Intersection){fabric.warn("fabric.Intersection is already defined");return}function Intersection(status){this.status=status;this.points=[]}fabric.Intersection=Intersection;fabric.Intersection.prototype={constructor:Intersection,appendPoint:function(point){this.points.push(point);return this},appendPoints:function(points){this.points=this.points.concat(points);return this}};fabric.Intersection.intersectLineLine=function(a1,a2,b1,b2){var result,uaT=(b2.x-b1.x)*(a1.y-b1.y)-(b2.y-b1.y)*(a1.x-b1.x),ubT=(a2.x-a1.x)*(a1.y-b1.y)-(a2.y-a1.y)*(a1.x-b1.x),uB=(b2.y-b1.y)*(a2.x-a1.x)-(b2.x-b1.x)*(a2.y-a1.y);if(uB!==0){var ua=uaT/uB,ub=ubT/uB;if(0<=ua&&ua<=1&&0<=ub&&ub<=1){result=new Intersection("Intersection");result.appendPoint(new fabric.Point(a1.x+ua*(a2.x-a1.x),a1.y+ua*(a2.y-a1.y)))}else{result=new Intersection}}else{if(uaT===0||ubT===0){result=new Intersection("Coincident")}else{result=new Intersection("Parallel")}}return result};fabric.Intersection.intersectLinePolygon=function(a1,a2,points){var result=new Intersection,length=points.length,b1,b2,inter;for(var i=0;i<length;i++){b1=points[i];b2=points[(i+1)%length];inter=Intersection.intersectLineLine(a1,a2,b1,b2);result.appendPoints(inter.points)}if(result.points.length>0){result.status="Intersection"}return result};fabric.Intersection.intersectPolygonPolygon=function(points1,points2){var result=new Intersection,length=points1.length;for(var i=0;i<length;i++){var a1=points1[i],a2=points1[(i+1)%length],inter=Intersection.intersectLinePolygon(a1,a2,points2);result.appendPoints(inter.points)}if(result.points.length>0){result.status="Intersection"}return result};fabric.Intersection.intersectPolygonRectangle=function(points,r1,r2){var min=r1.min(r2),max=r1.max(r2),topRight=new fabric.Point(max.x,min.y),bottomLeft=new fabric.Point(min.x,max.y),inter1=Intersection.intersectLinePolygon(min,topRight,points),inter2=Intersection.intersectLinePolygon(topRight,max,points),inter3=Intersection.intersectLinePolygon(max,bottomLeft,points),inter4=Intersection.intersectLinePolygon(bottomLeft,min,points),result=new Intersection;result.appendPoints(inter1.points);result.appendPoints(inter2.points);result.appendPoints(inter3.points);result.appendPoints(inter4.points);if(result.points.length>0){result.status="Intersection"}return result}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={});if(fabric.Color){fabric.warn("fabric.Color is already defined.");return}function Color(color){if(!color){this.setSource([0,0,0,1])}else{this._tryParsingColor(color)}}fabric.Color=Color;fabric.Color.prototype={_tryParsingColor:function(color){var source;if(color in Color.colorNameMap){color=Color.colorNameMap[color]}if(color==="transparent"){source=[255,255,255,0]}if(!source){source=Color.sourceFromHex(color)}if(!source){source=Color.sourceFromRgb(color)}if(!source){source=Color.sourceFromHsl(color)}if(!source){source=[0,0,0,1]}if(source){this.setSource(source)}},_rgbToHsl:function(r,g,b){r/=255;g/=255;b/=255;var h,s,l,max=fabric.util.array.max([r,g,b]),min=fabric.util.array.min([r,g,b]);l=(max+min)/2;if(max===min){h=s=0}else{var d=max-min;s=l>.5?d/(2-max-min):d/(max+min);switch(max){case r:h=(g-b)/d+(g<b?6:0);break;case g:h=(b-r)/d+2;break;case b:h=(r-g)/d+4;break}h/=6}return[Math.round(h*360),Math.round(s*100),Math.round(l*100)]},getSource:function(){return this._source},setSource:function(source){this._source=source},toRgb:function(){var source=this.getSource();return"rgb("+source[0]+","+source[1]+","+source[2]+")"},toRgba:function(){var source=this.getSource();return"rgba("+source[0]+","+source[1]+","+source[2]+","+source[3]+")"},toHsl:function(){var source=this.getSource(),hsl=this._rgbToHsl(source[0],source[1],source[2]);return"hsl("+hsl[0]+","+hsl[1]+"%,"+hsl[2]+"%)"},toHsla:function(){var source=this.getSource(),hsl=this._rgbToHsl(source[0],source[1],source[2]);return"hsla("+hsl[0]+","+hsl[1]+"%,"+hsl[2]+"%,"+source[3]+")"},toHex:function(){var source=this.getSource(),r,g,b;r=source[0].toString(16);r=r.length===1?"0"+r:r;g=source[1].toString(16);g=g.length===1?"0"+g:g;b=source[2].toString(16);b=b.length===1?"0"+b:b;return r.toUpperCase()+g.toUpperCase()+b.toUpperCase()},toHexa:function(){var source=this.getSource(),a;a=source[3]*255;a=a.toString(16);a=a.length===1?"0"+a:a;return this.toHex()+a.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(alpha){var source=this.getSource();source[3]=alpha;this.setSource(source);return this},toGrayscale:function(){var source=this.getSource(),average=parseInt((source[0]*.3+source[1]*.59+source[2]*.11).toFixed(0),10),currentAlpha=source[3];this.setSource([average,average,average,currentAlpha]);return this},toBlackWhite:function(threshold){var source=this.getSource(),average=(source[0]*.3+source[1]*.59+source[2]*.11).toFixed(0),currentAlpha=source[3];threshold=threshold||127;average=Number(average)<Number(threshold)?0:255;this.setSource([average,average,average,currentAlpha]);return this},overlayWith:function(otherColor){if(!(otherColor instanceof Color)){otherColor=new Color(otherColor)}var result=[],alpha=this.getAlpha(),otherAlpha=.5,source=this.getSource(),otherSource=otherColor.getSource();for(var i=0;i<3;i++){result.push(Math.round(source[i]*(1-otherAlpha)+otherSource[i]*otherAlpha))}result[3]=alpha;this.setSource(result);return this}};fabric.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/;fabric.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/;fabric.Color.reHex=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i;fabric.Color.colorNameMap={aqua:"#00FFFF",black:"#000000",blue:"#0000FF",fuchsia:"#FF00FF",gray:"#808080",grey:"#808080",green:"#008000",lime:"#00FF00",maroon:"#800000",navy:"#000080",olive:"#808000",orange:"#FFA500",purple:"#800080",red:"#FF0000",silver:"#C0C0C0",teal:"#008080",white:"#FFFFFF",yellow:"#FFFF00"};function hue2rgb(p,q,t){if(t<0){t+=1}if(t>1){t-=1}if(t<1/6){return p+(q-p)*6*t}if(t<1/2){return q}if(t<2/3){return p+(q-p)*(2/3-t)*6}return p}fabric.Color.fromRgb=function(color){return Color.fromSource(Color.sourceFromRgb(color))};fabric.Color.sourceFromRgb=function(color){var match=color.match(Color.reRGBa);if(match){var r=parseInt(match[1],10)/(/%$/.test(match[1])?100:1)*(/%$/.test(match[1])?255:1),g=parseInt(match[2],10)/(/%$/.test(match[2])?100:1)*(/%$/.test(match[2])?255:1),b=parseInt(match[3],10)/(/%$/.test(match[3])?100:1)*(/%$/.test(match[3])?255:1);return[parseInt(r,10),parseInt(g,10),parseInt(b,10),match[4]?parseFloat(match[4]):1]}};fabric.Color.fromRgba=Color.fromRgb;fabric.Color.fromHsl=function(color){return Color.fromSource(Color.sourceFromHsl(color))};fabric.Color.sourceFromHsl=function(color){var match=color.match(Color.reHSLa);if(!match){return}var h=(parseFloat(match[1])%360+360)%360/360,s=parseFloat(match[2])/(/%$/.test(match[2])?100:1),l=parseFloat(match[3])/(/%$/.test(match[3])?100:1),r,g,b;if(s===0){r=g=b=l}else{var q=l<=.5?l*(s+1):l+s-l*s,p=l*2-q;r=hue2rgb(p,q,h+1/3);g=hue2rgb(p,q,h);b=hue2rgb(p,q,h-1/3)}return[Math.round(r*255),Math.round(g*255),Math.round(b*255),match[4]?parseFloat(match[4]):1]};fabric.Color.fromHsla=Color.fromHsl;fabric.Color.fromHex=function(color){return Color.fromSource(Color.sourceFromHex(color))};fabric.Color.sourceFromHex=function(color){if(color.match(Color.reHex)){var value=color.slice(color.indexOf("#")+1),isShortNotation=value.length===3||value.length===4,isRGBa=value.length===8||value.length===4,r=isShortNotation?value.charAt(0)+value.charAt(0):value.substring(0,2),g=isShortNotation?value.charAt(1)+value.charAt(1):value.substring(2,4),b=isShortNotation?value.charAt(2)+value.charAt(2):value.substring(4,6),a=isRGBa?isShortNotation?value.charAt(3)+value.charAt(3):value.substring(6,8):"FF";return[parseInt(r,16),parseInt(g,16),parseInt(b,16),parseFloat((parseInt(a,16)/255).toFixed(2))]}};fabric.Color.fromSource=function(source){var oColor=new Color;oColor.setSource(source);return oColor}})(typeof exports!=="undefined"?exports:this);(function(){function getColorStop(el){var style=el.getAttribute("style"),offset=el.getAttribute("offset")||0,color,colorAlpha,opacity;offset=parseFloat(offset)/(/%$/.test(offset)?100:1);offset=offset<0?0:offset>1?1:offset;if(style){var keyValuePairs=style.split(/\s*;\s*/);if(keyValuePairs[keyValuePairs.length-1]===""){keyValuePairs.pop()}for(var i=keyValuePairs.length;i--;){var split=keyValuePairs[i].split(/\s*:\s*/),key=split[0].trim(),value=split[1].trim();if(key==="stop-color"){color=value}else if(key==="stop-opacity"){opacity=value}}}if(!color){color=el.getAttribute("stop-color")||"rgb(0,0,0)"}if(!opacity){opacity=el.getAttribute("stop-opacity")}color=new fabric.Color(color);colorAlpha=color.getAlpha();opacity=isNaN(parseFloat(opacity))?1:parseFloat(opacity);opacity*=colorAlpha;return{offset:offset,color:color.toRgb(),opacity:opacity}}function getLinearCoords(el){return{x1:el.getAttribute("x1")||0,y1:el.getAttribute("y1")||0,x2:el.getAttribute("x2")||"100%",y2:el.getAttribute("y2")||0}}function getRadialCoords(el){return{x1:el.getAttribute("fx")||el.getAttribute("cx")||"50%",y1:el.getAttribute("fy")||el.getAttribute("cy")||"50%",r1:0,x2:el.getAttribute("cx")||"50%",y2:el.getAttribute("cy")||"50%",r2:el.getAttribute("r")||"50%"}}var clone=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(options){options||(options={});var coords={};this.id=fabric.Object.__uid++;this.type=options.type||"linear";coords={x1:options.coords.x1||0,y1:options.coords.y1||0,x2:options.coords.x2||0,y2:options.coords.y2||0};if(this.type==="radial"){coords.r1=options.coords.r1||0;coords.r2=options.coords.r2||0}this.coords=coords;this.colorStops=options.colorStops.slice();if(options.gradientTransform){this.gradientTransform=options.gradientTransform}this.offsetX=options.offsetX||this.offsetX;this.offsetY=options.offsetY||this.offsetY},addColorStop:function(colorStops){for(var position in colorStops){var color=new fabric.Color(colorStops[position]);this.colorStops.push({offset:parseFloat(position),color:color.toRgb(),opacity:color.getAlpha()})}return this},toObject:function(propertiesToInclude){var object={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};fabric.util.populateWithProperties(this,object,propertiesToInclude);return object},toSVG:function(object){var coords=clone(this.coords,true),markup,commonAttributes,colorStops=clone(this.colorStops,true),needsSwap=coords.r1>coords.r2;colorStops.sort(function(a,b){return a.offset-b.offset});if(!(object.group&&object.group.type==="path-group")){for(var prop in coords){if(prop==="x1"||prop==="x2"){coords[prop]+=this.offsetX-object.width/2}else if(prop==="y1"||prop==="y2"){coords[prop]+=this.offsetY-object.height/2}}}commonAttributes='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"';if(this.gradientTransform){commonAttributes+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '}if(this.type==="linear"){markup=["<linearGradient ",commonAttributes,' x1="',coords.x1,'" y1="',coords.y1,'" x2="',coords.x2,'" y2="',coords.y2,'">\n']}else if(this.type==="radial"){markup=["<radialGradient ",commonAttributes,' cx="',needsSwap?coords.x1:coords.x2,'" cy="',needsSwap?coords.y1:coords.y2,'" r="',needsSwap?coords.r1:coords.r2,'" fx="',needsSwap?coords.x2:coords.x1,'" fy="',needsSwap?coords.y2:coords.y1,'">\n']}if(this.type==="radial"){if(needsSwap){colorStops=colorStops.concat();colorStops.reverse();for(var i=0;i<colorStops.length;i++){colorStops[i].offset=1-colorStops[i].offset}}var minRadius=Math.min(coords.r1,coords.r2);if(minRadius>0){var maxRadius=Math.max(coords.r1,coords.r2),percentageShift=minRadius/maxRadius;for(var i=0;i<colorStops.length;i++){colorStops[i].offset+=percentageShift*(1-colorStops[i].offset)}}}for(var i=0;i<colorStops.length;i++){var colorStop=colorStops[i];markup.push("<stop ",'offset="',colorStop.offset*100+"%",'" style="stop-color:',colorStop.color,colorStop.opacity!==null?";stop-opacity: "+colorStop.opacity:";",'"/>\n')}markup.push(this.type==="linear"?"</linearGradient>\n":"</radialGradient>\n");return markup.join("")},toLive:function(ctx,object){var gradient,prop,coords=fabric.util.object.clone(this.coords);if(!this.type){return}if(object.group&&object.group.type==="path-group"){for(prop in coords){if(prop==="x1"||prop==="x2"){coords[prop]+=-this.offsetX+object.width/2}else if(prop==="y1"||prop==="y2"){coords[prop]+=-this.offsetY+object.height/2}}}if(this.type==="linear"){gradient=ctx.createLinearGradient(coords.x1,coords.y1,coords.x2,coords.y2)}else if(this.type==="radial"){gradient=ctx.createRadialGradient(coords.x1,coords.y1,coords.r1,coords.x2,coords.y2,coords.r2)}for(var i=0,len=this.colorStops.length;i<len;i++){var color=this.colorStops[i].color,opacity=this.colorStops[i].opacity,offset=this.colorStops[i].offset;if(typeof opacity!=="undefined"){ | |
| color=new fabric.Color(color).setAlpha(opacity).toRgba()}gradient.addColorStop(offset,color)}return gradient}});fabric.util.object.extend(fabric.Gradient,{fromElement:function(el,instance){var colorStopEls=el.getElementsByTagName("stop"),type,gradientUnits=el.getAttribute("gradientUnits")||"objectBoundingBox",gradientTransform=el.getAttribute("gradientTransform"),colorStops=[],coords,ellipseMatrix;if(el.nodeName==="linearGradient"||el.nodeName==="LINEARGRADIENT"){type="linear"}else{type="radial"}if(type==="linear"){coords=getLinearCoords(el)}else if(type==="radial"){coords=getRadialCoords(el)}for(var i=colorStopEls.length;i--;){colorStops.push(getColorStop(colorStopEls[i]))}ellipseMatrix=_convertPercentUnitsToValues(instance,coords,gradientUnits);var gradient=new fabric.Gradient({type:type,coords:coords,colorStops:colorStops,offsetX:-instance.left,offsetY:-instance.top});if(gradientTransform||ellipseMatrix!==""){gradient.gradientTransform=fabric.parseTransformAttribute((gradientTransform||"")+ellipseMatrix)}return gradient},forObject:function(obj,options){options||(options={});_convertPercentUnitsToValues(obj,options.coords,"userSpaceOnUse");return new fabric.Gradient(options)}});function _convertPercentUnitsToValues(object,options,gradientUnits){var propValue,addFactor=0,multFactor=1,ellipseMatrix="";for(var prop in options){if(options[prop]==="Infinity"){options[prop]=1}else if(options[prop]==="-Infinity"){options[prop]=0}propValue=parseFloat(options[prop],10);if(typeof options[prop]==="string"&&/^\d+%$/.test(options[prop])){multFactor=.01}else{multFactor=1}if(prop==="x1"||prop==="x2"||prop==="r2"){multFactor*=gradientUnits==="objectBoundingBox"?object.width:1;addFactor=gradientUnits==="objectBoundingBox"?object.left||0:0}else if(prop==="y1"||prop==="y2"){multFactor*=gradientUnits==="objectBoundingBox"?object.height:1;addFactor=gradientUnits==="objectBoundingBox"?object.top||0:0}options[prop]=propValue*multFactor+addFactor}if(object.type==="ellipse"&&options.r2!==null&&gradientUnits==="objectBoundingBox"&&object.rx!==object.ry){var scaleFactor=object.ry/object.rx;ellipseMatrix=" scale(1, "+scaleFactor+")";if(options.y1){options.y1/=scaleFactor}if(options.y2){options.y2/=scaleFactor}}return ellipseMatrix}})();(function(){"use strict";var toFixed=fabric.util.toFixed;fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,initialize:function(options,callback){options||(options={});this.id=fabric.Object.__uid++;this.setOptions(options);if(!options.source||options.source&&typeof options.source!=="string"){callback&&callback(this);return}if(typeof fabric.util.getFunctionBody(options.source)!=="undefined"){this.source=new Function(fabric.util.getFunctionBody(options.source));callback&&callback(this)}else{var _this=this;this.source=fabric.util.createImage();fabric.util.loadImage(options.source,function(img){_this.source=img;callback&&callback(_this)})}},toObject:function(propertiesToInclude){var NUM_FRACTION_DIGITS=fabric.Object.NUM_FRACTION_DIGITS,source,object;if(typeof this.source==="function"){source=String(this.source)}else if(typeof this.source.src==="string"){source=this.source.src}else if(typeof this.source==="object"&&this.source.toDataURL){source=this.source.toDataURL()}object={type:"pattern",source:source,repeat:this.repeat,offsetX:toFixed(this.offsetX,NUM_FRACTION_DIGITS),offsetY:toFixed(this.offsetY,NUM_FRACTION_DIGITS)};fabric.util.populateWithProperties(this,object,propertiesToInclude);return object},toSVG:function(object){var patternSource=typeof this.source==="function"?this.source():this.source,patternWidth=patternSource.width/object.width,patternHeight=patternSource.height/object.height,patternOffsetX=this.offsetX/object.width,patternOffsetY=this.offsetY/object.height,patternImgSrc="";if(this.repeat==="repeat-x"||this.repeat==="no-repeat"){patternHeight=1}if(this.repeat==="repeat-y"||this.repeat==="no-repeat"){patternWidth=1}if(patternSource.src){patternImgSrc=patternSource.src}else if(patternSource.toDataURL){patternImgSrc=patternSource.toDataURL()}return'<pattern id="SVGID_'+this.id+'" x="'+patternOffsetX+'" y="'+patternOffsetY+'" width="'+patternWidth+'" height="'+patternHeight+'">\n'+'<image x="0" y="0"'+' width="'+patternSource.width+'" height="'+patternSource.height+'" xlink:href="'+patternImgSrc+'"></image>\n'+"</pattern>\n"},setOptions:function(options){for(var prop in options){this[prop]=options[prop]}},toLive:function(ctx){var source=typeof this.source==="function"?this.source():this.source;if(!source){return""}if(typeof source.src!=="undefined"){if(!source.complete){return""}if(source.naturalWidth===0||source.naturalHeight===0){return""}}return ctx.createPattern(source,this.repeat)}})})();(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),toFixed=fabric.util.toFixed;if(fabric.Shadow){fabric.warn("fabric.Shadow is already defined.");return}fabric.Shadow=fabric.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:false,includeDefaultValues:true,initialize:function(options){if(typeof options==="string"){options=this._parseShadow(options)}for(var prop in options){this[prop]=options[prop]}this.id=fabric.Object.__uid++},_parseShadow:function(shadow){var shadowStr=shadow.trim(),offsetsAndBlur=fabric.Shadow.reOffsetsAndBlur.exec(shadowStr)||[],color=shadowStr.replace(fabric.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:color.trim(),offsetX:parseInt(offsetsAndBlur[1],10)||0,offsetY:parseInt(offsetsAndBlur[2],10)||0,blur:parseInt(offsetsAndBlur[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(object){var fBoxX=40,fBoxY=40,NUM_FRACTION_DIGITS=fabric.Object.NUM_FRACTION_DIGITS,offset=fabric.util.rotateVector({x:this.offsetX,y:this.offsetY},fabric.util.degreesToRadians(-object.angle)),BLUR_BOX=20;if(object.width&&object.height){fBoxX=toFixed((Math.abs(offset.x)+this.blur)/object.width,NUM_FRACTION_DIGITS)*100+BLUR_BOX;fBoxY=toFixed((Math.abs(offset.y)+this.blur)/object.height,NUM_FRACTION_DIGITS)*100+BLUR_BOX}if(object.flipX){offset.x*=-1}if(object.flipY){offset.y*=-1}return'<filter id="SVGID_'+this.id+'" y="-'+fBoxY+'%" height="'+(100+2*fBoxY)+'%" '+'x="-'+fBoxX+'%" width="'+(100+2*fBoxX)+'%" '+">\n"+' <feGaussianBlur in="SourceAlpha" stdDeviation="'+toFixed(this.blur?this.blur/2:0,NUM_FRACTION_DIGITS)+'"></feGaussianBlur>\n'+' <feOffset dx="'+toFixed(offset.x,NUM_FRACTION_DIGITS)+'" dy="'+toFixed(offset.y,NUM_FRACTION_DIGITS)+'" result="oBlur" ></feOffset>\n'+' <feFlood flood-color="'+this.color+'"/>\n'+' <feComposite in2="oBlur" operator="in" />\n'+" <feMerge>\n"+" <feMergeNode></feMergeNode>\n"+' <feMergeNode in="SourceGraphic"></feMergeNode>\n'+" </feMerge>\n"+"</filter>\n"},toObject:function(){if(this.includeDefaultValues){return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke}}var obj={},proto=fabric.Shadow.prototype;["color","blur","offsetX","offsetY","affectStroke"].forEach(function(prop){if(this[prop]!==proto[prop]){obj[prop]=this[prop]}},this);return obj}});fabric.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/})(typeof exports!=="undefined"?exports:this);(function(){"use strict";if(fabric.StaticCanvas){fabric.warn("fabric.StaticCanvas is already defined.");return}var extend=fabric.util.object.extend,getElementOffset=fabric.util.getElementOffset,removeFromArray=fabric.util.removeFromArray,toFixed=fabric.util.toFixed,transformPoint=fabric.util.transformPoint,invertTransform=fabric.util.invertTransform,CANVAS_INIT_ERROR=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(el,options){options||(options={});this._initStatic(el,options)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:true,stateful:false,renderOnAddRemove:true,clipTo:null,controlsAboveOverlay:false,allowTouchScrolling:false,imageSmoothingEnabled:true,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:true,overlayVpt:true,onBeforeScaleRotate:function(){},enableRetinaScaling:true,vptCoords:{},skipOffscreen:false,_initStatic:function(el,options){var cb=fabric.StaticCanvas.prototype.renderAll.bind(this);this._objects=[];this._createLowerCanvas(el);this._initOptions(options);this._setImageSmoothing();if(!this.interactive){this._initRetinaScaling()}if(options.overlayImage){this.setOverlayImage(options.overlayImage,cb)}if(options.backgroundImage){this.setBackgroundImage(options.backgroundImage,cb)}if(options.backgroundColor){this.setBackgroundColor(options.backgroundColor,cb)}if(options.overlayColor){this.setOverlayColor(options.overlayColor,cb)}this.calcOffset()},_isRetinaScaling:function(){return fabric.devicePixelRatio!==1&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){if(!this._isRetinaScaling()){return}this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio);this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio);this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio)},calcOffset:function(){this._offset=getElementOffset(this.lowerCanvasEl);return this},setOverlayImage:function(image,callback,options){return this.__setBgOverlayImage("overlayImage",image,callback,options)},setBackgroundImage:function(image,callback,options){return this.__setBgOverlayImage("backgroundImage",image,callback,options)},setOverlayColor:function(overlayColor,callback){return this.__setBgOverlayColor("overlayColor",overlayColor,callback)},setBackgroundColor:function(backgroundColor,callback){return this.__setBgOverlayColor("backgroundColor",backgroundColor,callback)},_setImageSmoothing:function(){var ctx=this.getContext();ctx.imageSmoothingEnabled=ctx.imageSmoothingEnabled||ctx.webkitImageSmoothingEnabled||ctx.mozImageSmoothingEnabled||ctx.msImageSmoothingEnabled||ctx.oImageSmoothingEnabled;ctx.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(property,image,callback,options){if(typeof image==="string"){fabric.util.loadImage(image,function(img){img&&(this[property]=new fabric.Image(img,options));callback&&callback(img)},this,options&&options.crossOrigin)}else{options&&image.setOptions(options);this[property]=image;callback&&callback(image)}return this},__setBgOverlayColor:function(property,color,callback){this[property]=color;this._initGradient(color,property);this._initPattern(color,property,callback);return this},_createCanvasElement:function(canvasEl){var element=fabric.util.createCanvasElement(canvasEl);if(!element.style){element.style={}}if(!element){throw CANVAS_INIT_ERROR}if(typeof element.getContext==="undefined"){throw CANVAS_INIT_ERROR}return element},_initOptions:function(options){this._setOptions(options);this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0;this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0;if(!this.lowerCanvasEl.style){return}this.lowerCanvasEl.width=this.width;this.lowerCanvasEl.height=this.height;this.lowerCanvasEl.style.width=this.width+"px";this.lowerCanvasEl.style.height=this.height+"px";this.viewportTransform=this.viewportTransform.slice()},_createLowerCanvas:function(canvasEl){this.lowerCanvasEl=fabric.util.getById(canvasEl)||this._createCanvasElement(canvasEl);fabric.util.addClass(this.lowerCanvasEl,"lower-canvas");if(this.interactive){this._applyCanvasStyle(this.lowerCanvasEl)}this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(value,options){return this.setDimensions({width:value},options)},setHeight:function(value,options){return this.setDimensions({height:value},options)},setDimensions:function(dimensions,options){var cssValue;options=options||{};for(var prop in dimensions){cssValue=dimensions[prop];if(!options.cssOnly){this._setBackstoreDimension(prop,dimensions[prop]);cssValue+="px"}if(!options.backstoreOnly){this._setCssDimension(prop,cssValue)}}this._initRetinaScaling();this._setImageSmoothing();this.calcOffset();if(!options.cssOnly){this.renderAll()}return this},_setBackstoreDimension:function(prop,value){this.lowerCanvasEl[prop]=value;if(this.upperCanvasEl){this.upperCanvasEl[prop]=value}if(this.cacheCanvasEl){this.cacheCanvasEl[prop]=value}this[prop]=value;return this},_setCssDimension:function(prop,value){this.lowerCanvasEl.style[prop]=value;if(this.upperCanvasEl){this.upperCanvasEl.style[prop]=value}if(this.wrapperEl){this.wrapperEl.style[prop]=value}return this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(vpt){var activeGroup=this._activeGroup,object,ingoreVpt=false,skipAbsolute=true;this.viewportTransform=vpt;for(var i=0,len=this._objects.length;i<len;i++){object=this._objects[i];object.group||object.setCoords(ingoreVpt,skipAbsolute)}if(activeGroup){activeGroup.setCoords(ingoreVpt,skipAbsolute)}this.calcViewportBoundaries();this.renderAll();return this},zoomToPoint:function(point,value){var before=point,vpt=this.viewportTransform.slice(0);point=transformPoint(point,invertTransform(this.viewportTransform));vpt[0]=value;vpt[3]=value;var after=transformPoint(point,vpt);vpt[4]+=before.x-after.x;vpt[5]+=before.y-after.y;return this.setViewportTransform(vpt)},setZoom:function(value){this.zoomToPoint(new fabric.Point(0,0),value);return this},absolutePan:function(point){var vpt=this.viewportTransform.slice(0);vpt[4]=-point.x;vpt[5]=-point.y;return this.setViewportTransform(vpt)},relativePan:function(point){return this.absolutePan(new fabric.Point(-point.x-this.viewportTransform[4],-point.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},_onObjectAdded:function(obj){this.stateful&&obj.setupState();obj._set("canvas",this);obj.setCoords();this.fire("object:added",{target:obj});obj.fire("added")},_onObjectRemoved:function(obj){this.fire("object:removed",{target:obj});obj.fire("removed");delete obj.canvas},clearContext:function(ctx){ctx.clearRect(0,0,this.width,this.height);return this},getContext:function(){return this.contextContainer},clear:function(){this._objects.length=0;this.backgroundImage=null;this.overlayImage=null;this.backgroundColor="";this.overlayColor="";if(this._hasITextHandlers){this.off("mouse:up",this._mouseUpITextHandler);this._iTextInstances=null;this._hasITextHandlers=false}this.clearContext(this.contextContainer);this.fire("canvas:cleared");this.renderAll();return this},renderAll:function(){var canvasToDrawOn=this.contextContainer;this.renderCanvas(canvasToDrawOn,this._objects);return this},calcViewportBoundaries:function(){var points={},width=this.getWidth(),height=this.getHeight(),iVpt=invertTransform(this.viewportTransform);points.tl=transformPoint({x:0,y:0},iVpt);points.br=transformPoint({x:width,y:height},iVpt);points.tr=new fabric.Point(points.br.x,points.tl.y);points.bl=new fabric.Point(points.tl.x,points.br.y);this.vptCoords=points;return points},renderCanvas:function(ctx,objects){this.calcViewportBoundaries();this.clearContext(ctx);this.fire("before:render");if(this.clipTo){fabric.util.clipContext(this,ctx)}this._renderBackground(ctx);ctx.save();ctx.transform.apply(ctx,this.viewportTransform);this._renderObjects(ctx,objects);ctx.restore();if(!this.controlsAboveOverlay&&this.interactive){this.drawControls(ctx)}if(this.clipTo){ctx.restore()}this._renderOverlay(ctx);if(this.controlsAboveOverlay&&this.interactive){this.drawControls(ctx)}this.fire("after:render")},_renderObjects:function(ctx,objects){for(var i=0,length=objects.length;i<length;++i){objects[i]&&objects[i].render(ctx)}},_renderBackgroundOrOverlay:function(ctx,property){var object=this[property+"Color"];if(object){ctx.fillStyle=object.toLive?object.toLive(ctx,this):object;ctx.fillRect(object.offsetX||0,object.offsetY||0,this.width,this.height)}object=this[property+"Image"];if(object){if(this[property+"Vpt"]){ctx.save();ctx.transform.apply(ctx,this.viewportTransform)}object.render(ctx);this[property+"Vpt"]&&ctx.restore()}},_renderBackground:function(ctx){this._renderBackgroundOrOverlay(ctx,"background")},_renderOverlay:function(ctx){this._renderBackgroundOrOverlay(ctx,"overlay")},getCenter:function(){return{top:this.getHeight()/2,left:this.getWidth()/2}},centerObjectH:function(object){return this._centerObject(object,new fabric.Point(this.getCenter().left,object.getCenterPoint().y))},centerObjectV:function(object){return this._centerObject(object,new fabric.Point(object.getCenterPoint().x,this.getCenter().top))},centerObject:function(object){var center=this.getCenter();return this._centerObject(object,new fabric.Point(center.left,center.top))},viewportCenterObject:function(object){var vpCenter=this.getVpCenter();return this._centerObject(object,vpCenter)},viewportCenterObjectH:function(object){var vpCenter=this.getVpCenter();this._centerObject(object,new fabric.Point(vpCenter.x,object.getCenterPoint().y));return this},viewportCenterObjectV:function(object){var vpCenter=this.getVpCenter();return this._centerObject(object,new fabric.Point(object.getCenterPoint().x,vpCenter.y))},getVpCenter:function(){var center=this.getCenter(),iVpt=invertTransform(this.viewportTransform);return transformPoint({x:center.left,y:center.top},iVpt)},_centerObject:function(object,center){object.setPositionByOrigin(center,"center","center");this.renderAll();return this},toDatalessJSON:function(propertiesToInclude){return this.toDatalessObject(propertiesToInclude)},toObject:function(propertiesToInclude){return this._toObjectMethod("toObject",propertiesToInclude)},toDatalessObject:function(propertiesToInclude){return this._toObjectMethod("toDatalessObject",propertiesToInclude)},_toObjectMethod:function(methodName,propertiesToInclude){var data={objects:this._toObjects(methodName,propertiesToInclude)};extend(data,this.__serializeBgOverlay(methodName,propertiesToInclude));fabric.util.populateWithProperties(this,data,propertiesToInclude);return data},_toObjects:function(methodName,propertiesToInclude){return this.getObjects().filter(function(object){return!object.excludeFromExport}).map(function(instance){return this._toObject(instance,methodName,propertiesToInclude)},this)},_toObject:function(instance,methodName,propertiesToInclude){var originalValue;if(!this.includeDefaultValues){originalValue=instance.includeDefaultValues;instance.includeDefaultValues=false}var object=instance[methodName](propertiesToInclude);if(!this.includeDefaultValues){instance.includeDefaultValues=originalValue}return object},__serializeBgOverlay:function(methodName,propertiesToInclude){var data={};if(this.backgroundColor){data.background=this.backgroundColor.toObject?this.backgroundColor.toObject(propertiesToInclude):this.backgroundColor}if(this.overlayColor){data.overlay=this.overlayColor.toObject?this.overlayColor.toObject(propertiesToInclude):this.overlayColor}if(this.backgroundImage){data.backgroundImage=this._toObject(this.backgroundImage,methodName,propertiesToInclude)}if(this.overlayImage){data.overlayImage=this._toObject(this.overlayImage,methodName,propertiesToInclude)}return data},svgViewportTransformation:true,toSVG:function(options,reviver){options||(options={});var markup=[];this._setSVGPreamble(markup,options);this._setSVGHeader(markup,options);this._setSVGBgOverlayColor(markup,"backgroundColor");this._setSVGBgOverlayImage(markup,"backgroundImage",reviver);this._setSVGObjects(markup,reviver);this._setSVGBgOverlayColor(markup,"overlayColor");this._setSVGBgOverlayImage(markup,"overlayImage",reviver);markup.push("</svg>");return markup.join("")},_setSVGPreamble:function(markup,options){if(options.suppressPreamble){return}markup.push('<?xml version="1.0" encoding="',options.encoding||"UTF-8",'" standalone="no" ?>\n','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(markup,options){var width=options.width||this.width,height=options.height||this.height,vpt,viewBox='viewBox="0 0 '+this.width+" "+this.height+'" ',NUM_FRACTION_DIGITS=fabric.Object.NUM_FRACTION_DIGITS;if(options.viewBox){viewBox='viewBox="'+options.viewBox.x+" "+options.viewBox.y+" "+options.viewBox.width+" "+options.viewBox.height+'" '}else{if(this.svgViewportTransformation){vpt=this.viewportTransform;viewBox='viewBox="'+toFixed(-vpt[4]/vpt[0],NUM_FRACTION_DIGITS)+" "+toFixed(-vpt[5]/vpt[3],NUM_FRACTION_DIGITS)+" "+toFixed(this.width/vpt[0],NUM_FRACTION_DIGITS)+" "+toFixed(this.height/vpt[3],NUM_FRACTION_DIGITS)+'" '}}markup.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',width,'" ','height="',height,'" ',viewBox,'xml:space="preserve">\n',"<desc>Created with Fabric.js ",fabric.version,"</desc>\n","<defs>\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),"</defs>\n")},createSVGRefElementsMarkup:function(){var _this=this,markup=["backgroundColor","overlayColor"].map(function(prop){var fill=_this[prop];if(fill&&fill.toLive){return fill.toSVG(_this,false)}});return markup.join("")},createSVGFontFacesMarkup:function(){var markup="",fontList={},obj,fontFamily,style,row,rowIndex,_char,charIndex,fontPaths=fabric.fontPaths,objects=this.getObjects();for(var i=0,len=objects.length;i<len;i++){obj=objects[i];fontFamily=obj.fontFamily;if(obj.type.indexOf("text")===-1||fontList[fontFamily]||!fontPaths[fontFamily]){continue}fontList[fontFamily]=true;if(!obj.styles){continue}style=obj.styles;for(rowIndex in style){row=style[rowIndex];for(charIndex in row){_char=row[charIndex];fontFamily=_char.fontFamily;if(!fontList[fontFamily]&&fontPaths[fontFamily]){fontList[fontFamily]=true}}}}for(var j in fontList){markup+=[" @font-face {\n"," font-family: '",j,"';\n"," src: url('",fontPaths[j],"');\n"," }\n"].join("")}if(markup){markup=[' <style type="text/css">',"<![CDATA[\n",markup,"]]>","</style>\n"].join("")}return markup},_setSVGObjects:function(markup,reviver){var instance;for(var i=0,objects=this.getObjects(),len=objects.length;i<len;i++){instance=objects[i];if(instance.excludeFromExport){continue}this._setSVGObject(markup,instance,reviver)}},_setSVGObject:function(markup,instance,reviver){markup.push(instance.toSVG(reviver))},_setSVGBgOverlayImage:function(markup,property,reviver){if(this[property]&&this[property].toSVG){markup.push(this[property].toSVG(reviver))}},_setSVGBgOverlayColor:function(markup,property){var filler=this[property];if(!filler){return}if(filler.toLive){var repeat=filler.repeat;markup.push('<rect transform="translate(',this.width/2,",",this.height/2,')"',' x="',filler.offsetX-this.width/2,'" y="',filler.offsetY-this.height/2,'" ','width="',repeat==="repeat-y"||repeat==="no-repeat"?filler.source.width:this.width,'" height="',repeat==="repeat-x"||repeat==="no-repeat"?filler.source.height:this.height,'" fill="url(#SVGID_'+filler.id+')"',"></rect>\n")}else{markup.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[property],'"',"></rect>\n")}},sendToBack:function(object){if(!object){return this}var activeGroup=this._activeGroup,i,obj,objs;if(object===activeGroup){objs=activeGroup._objects;for(i=objs.length;i--;){obj=objs[i];removeFromArray(this._objects,obj);this._objects.unshift(obj)}}else{removeFromArray(this._objects,object);this._objects.unshift(object)}return this.renderAll&&this.renderAll()},bringToFront:function(object){if(!object){return this}var activeGroup=this._activeGroup,i,obj,objs;if(object===activeGroup){objs=activeGroup._objects;for(i=0;i<objs.length;i++){obj=objs[i];removeFromArray(this._objects,obj);this._objects.push(obj)}}else{removeFromArray(this._objects,object);this._objects.push(object)}return this.renderAll&&this.renderAll()},sendBackwards:function(object,intersecting){if(!object){return this}var activeGroup=this._activeGroup,i,obj,idx,newIdx,objs;if(object===activeGroup){objs=activeGroup._objects;for(i=0;i<objs.length;i++){obj=objs[i];idx=this._objects.indexOf(obj);if(idx!==0){newIdx=idx-1;removeFromArray(this._objects,obj);this._objects.splice(newIdx,0,obj)}}}else{idx=this._objects.indexOf(object);if(idx!==0){newIdx=this._findNewLowerIndex(object,idx,intersecting);removeFromArray(this._objects,object);this._objects.splice(newIdx,0,object)}}this.renderAll&&this.renderAll();return this},_findNewLowerIndex:function(object,idx,intersecting){var newIdx;if(intersecting){newIdx=idx;for(var i=idx-1;i>=0;--i){var isIntersecting=object.intersectsWithObject(this._objects[i])||object.isContainedWithinObject(this._objects[i])||this._objects[i].isContainedWithinObject(object);if(isIntersecting){newIdx=i;break}}}else{newIdx=idx-1}return newIdx},bringForward:function(object,intersecting){if(!object){return this}var activeGroup=this._activeGroup,i,obj,idx,newIdx,objs;if(object===activeGroup){objs=activeGroup._objects;for(i=objs.length;i--;){obj=objs[i];idx=this._objects.indexOf(obj);if(idx!==this._objects.length-1){newIdx=idx+1;removeFromArray(this._objects,obj);this._objects.splice(newIdx,0,obj)}}}else{idx=this._objects.indexOf(object);if(idx!==this._objects.length-1){newIdx=this._findNewUpperIndex(object,idx,intersecting);removeFromArray(this._objects,object);this._objects.splice(newIdx,0,object)}}this.renderAll&&this.renderAll();return this},_findNewUpperIndex:function(object,idx,intersecting){var newIdx;if(intersecting){newIdx=idx;for(var i=idx+1;i<this._objects.length;++i){var isIntersecting=object.intersectsWithObject(this._objects[i])||object.isContainedWithinObject(this._objects[i])||this._objects[i].isContainedWithinObject(object);if(isIntersecting){newIdx=i;break}}}else{newIdx=idx+1}return newIdx},moveTo:function(object,index){removeFromArray(this._objects,object);this._objects.splice(index,0,object);return this.renderAll&&this.renderAll()},dispose:function(){this.clear();return this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): "+"{ objects: "+this.getObjects().length+" }>"}});extend(fabric.StaticCanvas.prototype,fabric.Observable);extend(fabric.StaticCanvas.prototype,fabric.Collection);extend(fabric.StaticCanvas.prototype,fabric.DataURLExporter);extend(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(methodName){var el=fabric.util.createCanvasElement();if(!el||!el.getContext){return null}var ctx=el.getContext("2d");if(!ctx){return null}switch(methodName){case"getImageData":return typeof ctx.getImageData!=="undefined";case"setLineDash":return typeof ctx.setLineDash!=="undefined";case"toDataURL":return typeof el.toDataURL!=="undefined";case"toDataURLWithQuality":try{el.toDataURL("image/jpeg",0);return true}catch(e){}return false;default:return null}}});fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject})();fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(options){this.shadow=new fabric.Shadow(options);return this},_setBrushStyles:function(){var ctx=this.canvas.contextTop;ctx.strokeStyle=this.color;ctx.lineWidth=this.width;ctx.lineCap=this.strokeLineCap;ctx.lineJoin=this.strokeLineJoin;if(this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")){ctx.setLineDash(this.strokeDashArray)}},_setShadow:function(){if(!this.shadow){return}var ctx=this.canvas.contextTop,zoom=this.canvas.getZoom();ctx.shadowColor=this.shadow.color;ctx.shadowBlur=this.shadow.blur*zoom;ctx.shadowOffsetX=this.shadow.offsetX*zoom;ctx.shadowOffsetY=this.shadow.offsetY*zoom},_resetShadow:function(){var ctx=this.canvas.contextTop;ctx.shadowColor="";ctx.shadowBlur=ctx.shadowOffsetX=ctx.shadowOffsetY=0}});(function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(canvas){this.canvas=canvas;this._points=[]},onMouseDown:function(pointer){this._prepareForDrawing(pointer);this._captureDrawingPath(pointer);this._render()},onMouseMove:function(pointer){this._captureDrawingPath(pointer);this.canvas.clearContext(this.canvas.contextTop);this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(pointer){var p=new fabric.Point(pointer.x,pointer.y);this._reset();this._addPoint(p);this.canvas.contextTop.moveTo(p.x,p.y)},_addPoint:function(point){this._points.push(point)},_reset:function(){this._points.length=0;this._setBrushStyles();this._setShadow()},_captureDrawingPath:function(pointer){var pointerPoint=new fabric.Point(pointer.x,pointer.y);this._addPoint(pointerPoint)},_render:function(){var ctx=this.canvas.contextTop,v=this.canvas.viewportTransform,p1=this._points[0],p2=this._points[1];ctx.save();ctx.transform(v[0],v[1],v[2],v[3],v[4],v[5]);ctx.beginPath();if(this._points.length===2&&p1.x===p2.x&&p1.y===p2.y){p1.x-=.5;p2.x+=.5}ctx.moveTo(p1.x,p1.y);for(var i=1,len=this._points.length;i<len;i++){var midPoint=p1.midPointFrom(p2);ctx.quadraticCurveTo(p1.x,p1.y,midPoint.x,midPoint.y);p1=this._points[i];p2=this._points[i+1]}ctx.lineTo(p1.x,p1.y);ctx.stroke();ctx.restore()},convertPointsToSVGPath:function(points){var path=[],p1=new fabric.Point(points[0].x,points[0].y),p2=new fabric.Point(points[1].x,points[1].y);path.push("M ",points[0].x," ",points[0].y," ");for(var i=1,len=points.length;i<len;i++){var midPoint=p1.midPointFrom(p2);path.push("Q ",p1.x," ",p1.y," ",midPoint.x," ",midPoint.y," ");p1=new fabric.Point(points[i].x,points[i].y);if(i+1<points.length){p2=new fabric.Point(points[i+1].x,points[i+1].y)}}path.push("L ",p1.x," ",p1.y," ");return path},createPath:function(pathData){var path=new fabric.Path(pathData,{fill:null,stroke:this.color,strokeWidth:this.width,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeDashArray:this.strokeDashArray,originX:"center",originY:"center"});if(this.shadow){this.shadow.affectStroke=true;path.setShadow(this.shadow)}return path},_finalizeAndAddPath:function(){var ctx=this.canvas.contextTop;ctx.closePath();var pathData=this.convertPointsToSVGPath(this._points).join("");if(pathData==="M 0 0 Q 0 0 0 0 L 0 0"){this.canvas.renderAll();return}var path=this.createPath(pathData);this.canvas.add(path);path.setCoords();this.canvas.clearContext(this.canvas.contextTop);this._resetShadow();this.canvas.renderAll();this.canvas.fire("path:created",{path:path})}})})();fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(canvas){this.canvas=canvas;this.points=[]},drawDot:function(pointer){var point=this.addPoint(pointer),ctx=this.canvas.contextTop,v=this.canvas.viewportTransform;ctx.save();ctx.transform(v[0],v[1],v[2],v[3],v[4],v[5]);ctx.fillStyle=point.fill;ctx.beginPath();ctx.arc(point.x,point.y,point.radius,0,Math.PI*2,false);ctx.closePath();ctx.fill();ctx.restore()},onMouseDown:function(pointer){this.points.length=0;this.canvas.clearContext(this.canvas.contextTop);this._setShadow();this.drawDot(pointer)},onMouseMove:function(pointer){this.drawDot(pointer)},onMouseUp:function(){var originalRenderOnAddRemove=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=false;var circles=[];for(var i=0,len=this.points.length;i<len;i++){var point=this.points[i],circle=new fabric.Circle({radius:point.radius,left:point.x,top:point.y,originX:"center",originY:"center",fill:point.fill});this.shadow&&circle.setShadow(this.shadow);circles.push(circle)}var group=new fabric.Group(circles,{originX:"center",originY:"center"});group.canvas=this.canvas;this.canvas.add(group);this.canvas.fire("path:created",{path:group});this.canvas.clearContext(this.canvas.contextTop);this._resetShadow();this.canvas.renderOnAddRemove=originalRenderOnAddRemove;this.canvas.renderAll()},addPoint:function(pointer){var pointerPoint=new fabric.Point(pointer.x,pointer.y),circleRadius=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,circleColor=new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba(); | |
| pointerPoint.radius=circleRadius;pointerPoint.fill=circleColor;this.points.push(pointerPoint);return pointerPoint}});fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:false,optimizeOverlapping:true,initialize:function(canvas){this.canvas=canvas;this.sprayChunks=[]},onMouseDown:function(pointer){this.sprayChunks.length=0;this.canvas.clearContext(this.canvas.contextTop);this._setShadow();this.addSprayChunk(pointer);this.render()},onMouseMove:function(pointer){this.addSprayChunk(pointer);this.render()},onMouseUp:function(){var originalRenderOnAddRemove=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=false;var rects=[];for(var i=0,ilen=this.sprayChunks.length;i<ilen;i++){var sprayChunk=this.sprayChunks[i];for(var j=0,jlen=sprayChunk.length;j<jlen;j++){var rect=new fabric.Rect({width:sprayChunk[j].width,height:sprayChunk[j].width,left:sprayChunk[j].x+1,top:sprayChunk[j].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&rect.setShadow(this.shadow);rects.push(rect)}}if(this.optimizeOverlapping){rects=this._getOptimizedRects(rects)}var group=new fabric.Group(rects,{originX:"center",originY:"center"});group.canvas=this.canvas;this.canvas.add(group);this.canvas.fire("path:created",{path:group});this.canvas.clearContext(this.canvas.contextTop);this._resetShadow();this.canvas.renderOnAddRemove=originalRenderOnAddRemove;this.canvas.renderAll()},_getOptimizedRects:function(rects){var uniqueRects={},key;for(var i=0,len=rects.length;i<len;i++){key=rects[i].left+""+rects[i].top;if(!uniqueRects[key]){uniqueRects[key]=rects[i]}}var uniqueRectsArray=[];for(key in uniqueRects){uniqueRectsArray.push(uniqueRects[key])}return uniqueRectsArray},render:function(){var ctx=this.canvas.contextTop;ctx.fillStyle=this.color;var v=this.canvas.viewportTransform;ctx.save();ctx.transform(v[0],v[1],v[2],v[3],v[4],v[5]);for(var i=0,len=this.sprayChunkPoints.length;i<len;i++){var point=this.sprayChunkPoints[i];if(typeof point.opacity!=="undefined"){ctx.globalAlpha=point.opacity}ctx.fillRect(point.x,point.y,point.width,point.width)}ctx.restore()},addSprayChunk:function(pointer){this.sprayChunkPoints=[];var x,y,width,radius=this.width/2;for(var i=0;i<this.density;i++){x=fabric.util.getRandomInt(pointer.x-radius,pointer.x+radius);y=fabric.util.getRandomInt(pointer.y-radius,pointer.y+radius);if(this.dotWidthVariance){width=fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance)}else{width=this.dotWidth}var point=new fabric.Point(x,y);point.width=width;if(this.randomOpacity){point.opacity=fabric.util.getRandomInt(0,100)/100}this.sprayChunkPoints.push(point)}this.sprayChunks.push(this.sprayChunkPoints)}});fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var dotWidth=20,dotDistance=5,patternCanvas=fabric.document.createElement("canvas"),patternCtx=patternCanvas.getContext("2d");patternCanvas.width=patternCanvas.height=dotWidth+dotDistance;patternCtx.fillStyle=this.color;patternCtx.beginPath();patternCtx.arc(dotWidth/2,dotWidth/2,dotWidth/2,0,Math.PI*2,false);patternCtx.closePath();patternCtx.fill();return patternCanvas},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles");this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(pathData){var path=this.callSuper("createPath",pathData),topLeft=path._getLeftTopCoords().scalarAdd(path.strokeWidth/2);path.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction(),offsetX:-topLeft.x,offsetY:-topLeft.y});return path}});(function(){var getPointer=fabric.util.getPointer,degreesToRadians=fabric.util.degreesToRadians,radiansToDegrees=fabric.util.radiansToDegrees,atan2=Math.atan2,abs=Math.abs,supportLineDash=fabric.StaticCanvas.supports("setLineDash"),STROKE_OFFSET=.5;fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(el,options){options||(options={});this._initStatic(el,options);this._initInteractive();this._createCacheCanvas()},uniScaleTransform:false,uniScaleKey:"shiftKey",centeredScaling:false,centeredRotation:false,centeredKey:"altKey",altActionKey:"shiftKey",interactive:true,selection:true,selectionKey:"shiftKey",altSelectionKey:null,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",containerClass:"canvas-container",perPixelTargetFind:false,targetFindTolerance:0,skipTargetFind:false,isDrawingMode:false,preserveObjectStacking:false,snapAngle:0,snapThreshold:null,stopContextMenu:false,fireRightClick:false,fireMiddleClick:false,_initInteractive:function(){this._currentTransform=null;this._groupSelector=null;this._initWrapperElement();this._createUpperCanvas();this._initEventListeners();this._initRetinaScaling();this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this);this.calcOffset()},_chooseObjectsToRender:function(){var activeGroup=this.getActiveGroup(),activeObject=this.getActiveObject(),object,objsToRender=[],activeGroupObjects=[];if((activeGroup||activeObject)&&!this.preserveObjectStacking){for(var i=0,length=this._objects.length;i<length;i++){object=this._objects[i];if((!activeGroup||!activeGroup.contains(object))&&object!==activeObject){objsToRender.push(object)}else{activeGroupObjects.push(object)}}if(activeGroup){activeGroup._set("_objects",activeGroupObjects);objsToRender.push(activeGroup)}activeObject&&objsToRender.push(activeObject)}else{objsToRender=this._objects}return objsToRender},renderAll:function(){if(this.contextTopDirty&&!this._groupSelector&&!this.isDrawingMode){this.clearContext(this.contextTop);this.contextTopDirty=false}var canvasToDrawOn=this.contextContainer;this.renderCanvas(canvasToDrawOn,this._chooseObjectsToRender());return this},renderTop:function(){var ctx=this.contextTop;this.clearContext(ctx);if(this.selection&&this._groupSelector){this._drawSelection(ctx)}this.fire("after:render");this.contextTopDirty=true;return this},_resetCurrentTransform:function(){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.original.scaleY,skewX:t.original.skewX,skewY:t.original.skewY,left:t.original.left,top:t.original.top});if(this._shouldCenterTransform(t.target)){if(t.action==="rotate"){this._setOriginToCenter(t.target)}else{if(t.originX!=="center"){if(t.originX==="right"){t.mouseXSign=-1}else{t.mouseXSign=1}}if(t.originY!=="center"){if(t.originY==="bottom"){t.mouseYSign=-1}else{t.mouseYSign=1}}t.originX="center";t.originY="center"}}else{t.originX=t.original.originX;t.originY=t.original.originY}},containsPoint:function(e,target,point){var ignoreZoom=true,pointer=point||this.getPointer(e,ignoreZoom),xy;if(target.group&&target.group===this.getActiveGroup()){xy=this._normalizePointer(target.group,pointer)}else{xy={x:pointer.x,y:pointer.y}}return target.containsPoint(xy)||target._findTargetCorner(pointer)},_normalizePointer:function(object,pointer){var m=object.calcTransformMatrix(),invertedM=fabric.util.invertTransform(m),vptPointer=this.restorePointerVpt(pointer);return fabric.util.transformPoint(vptPointer,invertedM)},isTargetTransparent:function(target,x,y){var hasBorders=target.hasBorders,transparentCorners=target.transparentCorners,ctx=this.contextCache,originalColor=target.selectionBackgroundColor;target.hasBorders=target.transparentCorners=false;target.selectionBackgroundColor="";ctx.save();ctx.transform.apply(ctx,this.viewportTransform);target.render(ctx);ctx.restore();target.active&&target._renderControls(ctx);target.hasBorders=hasBorders;target.transparentCorners=transparentCorners;target.selectionBackgroundColor=originalColor;var isTransparent=fabric.util.isTransparent(ctx,x,y,this.targetFindTolerance);this.clearContext(ctx);return isTransparent},_shouldClearSelection:function(e,target){var activeGroup=this.getActiveGroup(),activeObject=this.getActiveObject();return!target||target&&activeGroup&&!activeGroup.contains(target)&&activeGroup!==target&&!e[this.selectionKey]||target&&!target.evented||target&&!target.selectable&&activeObject&&activeObject!==target},_shouldCenterTransform:function(target){if(!target){return}var t=this._currentTransform,centerTransform;if(t.action==="scale"||t.action==="scaleX"||t.action==="scaleY"){centerTransform=this.centeredScaling||target.centeredScaling}else if(t.action==="rotate"){centerTransform=this.centeredRotation||target.centeredRotation}return centerTransform?!t.altKey:t.altKey},_getOriginFromCorner:function(target,corner){var origin={x:target.originX,y:target.originY};if(corner==="ml"||corner==="tl"||corner==="bl"){origin.x="right"}else if(corner==="mr"||corner==="tr"||corner==="br"){origin.x="left"}if(corner==="tl"||corner==="mt"||corner==="tr"){origin.y="bottom"}else if(corner==="bl"||corner==="mb"||corner==="br"){origin.y="top"}return origin},_getActionFromCorner:function(target,corner,e){if(!corner){return"drag"}switch(corner){case"mtr":return"rotate";case"ml":case"mr":return e[this.altActionKey]?"skewY":"scaleX";case"mt":case"mb":return e[this.altActionKey]?"skewX":"scaleY";default:return"scale"}},_setupCurrentTransform:function(e,target){if(!target){return}var pointer=this.getPointer(e),corner=target._findTargetCorner(this.getPointer(e,true)),action=this._getActionFromCorner(target,corner,e),origin=this._getOriginFromCorner(target,corner);this._currentTransform={target:target,action:action,corner:corner,scaleX:target.scaleX,scaleY:target.scaleY,skewX:target.skewX,skewY:target.skewY,offsetX:pointer.x-target.left,offsetY:pointer.y-target.top,originX:origin.x,originY:origin.y,ex:pointer.x,ey:pointer.y,lastX:pointer.x,lastY:pointer.y,left:target.left,top:target.top,theta:degreesToRadians(target.angle),width:target.width*target.scaleX,mouseXSign:1,mouseYSign:1,shiftKey:e.shiftKey,altKey:e[this.centeredKey]};this._currentTransform.original={left:target.left,top:target.top,scaleX:target.scaleX,scaleY:target.scaleY,skewX:target.skewX,skewY:target.skewY,originX:origin.x,originY:origin.y};this._resetCurrentTransform()},_translateObject:function(x,y){var transform=this._currentTransform,target=transform.target,newLeft=x-transform.offsetX,newTop=y-transform.offsetY,moveX=!target.get("lockMovementX")&&target.left!==newLeft,moveY=!target.get("lockMovementY")&&target.top!==newTop;moveX&&target.set("left",newLeft);moveY&&target.set("top",newTop);return moveX||moveY},_changeSkewTransformOrigin:function(mouseMove,t,by){var property="originX",origins={0:"center"},skew=t.target.skewX,originA="left",originB="right",corner=t.corner==="mt"||t.corner==="ml"?1:-1,flipSign=1;mouseMove=mouseMove>0?1:-1;if(by==="y"){skew=t.target.skewY;originA="top";originB="bottom";property="originY"}origins[-1]=originA;origins[1]=originB;t.target.flipX&&(flipSign*=-1);t.target.flipY&&(flipSign*=-1);if(skew===0){t.skewSign=-corner*mouseMove*flipSign;t[property]=origins[-mouseMove]}else{skew=skew>0?1:-1;t.skewSign=skew;t[property]=origins[skew*corner*flipSign]}},_skewObject:function(x,y,by){var t=this._currentTransform,target=t.target,skewed=false,lockSkewingX=target.get("lockSkewingX"),lockSkewingY=target.get("lockSkewingY");if(lockSkewingX&&by==="x"||lockSkewingY&&by==="y"){return false}var center=target.getCenterPoint(),actualMouseByCenter=target.toLocalPoint(new fabric.Point(x,y),"center","center")[by],lastMouseByCenter=target.toLocalPoint(new fabric.Point(t.lastX,t.lastY),"center","center")[by],actualMouseByOrigin,constraintPosition,dim=target._getTransformedDimensions();this._changeSkewTransformOrigin(actualMouseByCenter-lastMouseByCenter,t,by);actualMouseByOrigin=target.toLocalPoint(new fabric.Point(x,y),t.originX,t.originY)[by];constraintPosition=target.translateToOriginPoint(center,t.originX,t.originY);skewed=this._setObjectSkew(actualMouseByOrigin,t,by,dim);t.lastX=x;t.lastY=y;target.setPositionByOrigin(constraintPosition,t.originX,t.originY);return skewed},_setObjectSkew:function(localMouse,transform,by,_dim){var target=transform.target,newValue,skewed=false,skewSign=transform.skewSign,newDim,dimNoSkew,otherBy,_otherBy,_by,newDimMouse,skewX,skewY;if(by==="x"){otherBy="y";_otherBy="Y";_by="X";skewX=0;skewY=target.skewY}else{otherBy="x";_otherBy="X";_by="Y";skewX=target.skewX;skewY=0}dimNoSkew=target._getTransformedDimensions(skewX,skewY);newDimMouse=2*Math.abs(localMouse)-dimNoSkew[by];if(newDimMouse<=2){newValue=0}else{newValue=skewSign*Math.atan(newDimMouse/target["scale"+_by]/(dimNoSkew[otherBy]/target["scale"+_otherBy]));newValue=fabric.util.radiansToDegrees(newValue)}skewed=target["skew"+_by]!==newValue;target.set("skew"+_by,newValue);if(target["skew"+_otherBy]!==0){newDim=target._getTransformedDimensions();newValue=_dim[otherBy]/newDim[otherBy]*target["scale"+_otherBy];target.set("scale"+_otherBy,newValue)}return skewed},_scaleObject:function(x,y,by){var t=this._currentTransform,target=t.target,lockScalingX=target.get("lockScalingX"),lockScalingY=target.get("lockScalingY"),lockScalingFlip=target.get("lockScalingFlip");if(lockScalingX&&lockScalingY){return false}var constraintPosition=target.translateToOriginPoint(target.getCenterPoint(),t.originX,t.originY),localMouse=target.toLocalPoint(new fabric.Point(x,y),t.originX,t.originY),dim=target._getTransformedDimensions(),scaled=false;this._setLocalMouse(localMouse,t);scaled=this._setObjectScale(localMouse,t,lockScalingX,lockScalingY,by,lockScalingFlip,dim);target.setPositionByOrigin(constraintPosition,t.originX,t.originY);return scaled},_setObjectScale:function(localMouse,transform,lockScalingX,lockScalingY,by,lockScalingFlip,_dim){var target=transform.target,forbidScalingX=false,forbidScalingY=false,scaled=false,changeX,changeY,scaleX,scaleY;scaleX=localMouse.x*target.scaleX/_dim.x;scaleY=localMouse.y*target.scaleY/_dim.y;changeX=target.scaleX!==scaleX;changeY=target.scaleY!==scaleY;if(lockScalingFlip&&scaleX<=0&&scaleX<target.scaleX){forbidScalingX=true}if(lockScalingFlip&&scaleY<=0&&scaleY<target.scaleY){forbidScalingY=true}if(by==="equally"&&!lockScalingX&&!lockScalingY){forbidScalingX||forbidScalingY||(scaled=this._scaleObjectEqually(localMouse,target,transform,_dim))}else if(!by){forbidScalingX||lockScalingX||target.set("scaleX",scaleX)&&(scaled=scaled||changeX);forbidScalingY||lockScalingY||target.set("scaleY",scaleY)&&(scaled=scaled||changeY)}else if(by==="x"&&!target.get("lockUniScaling")){forbidScalingX||lockScalingX||target.set("scaleX",scaleX)&&(scaled=scaled||changeX)}else if(by==="y"&&!target.get("lockUniScaling")){forbidScalingY||lockScalingY||target.set("scaleY",scaleY)&&(scaled=scaled||changeY)}transform.newScaleX=scaleX;transform.newScaleY=scaleY;forbidScalingX||forbidScalingY||this._flipObject(transform,by);return scaled},_scaleObjectEqually:function(localMouse,target,transform,_dim){var dist=localMouse.y+localMouse.x,lastDist=_dim.y*transform.original.scaleY/target.scaleY+_dim.x*transform.original.scaleX/target.scaleX,scaled;transform.newScaleX=transform.original.scaleX*dist/lastDist;transform.newScaleY=transform.original.scaleY*dist/lastDist;scaled=transform.newScaleX!==target.scaleX||transform.newScaleY!==target.scaleY;target.set("scaleX",transform.newScaleX);target.set("scaleY",transform.newScaleY);return scaled},_flipObject:function(transform,by){if(transform.newScaleX<0&&by!=="y"){if(transform.originX==="left"){transform.originX="right"}else if(transform.originX==="right"){transform.originX="left"}}if(transform.newScaleY<0&&by!=="x"){if(transform.originY==="top"){transform.originY="bottom"}else if(transform.originY==="bottom"){transform.originY="top"}}},_setLocalMouse:function(localMouse,t){var target=t.target,zoom=this.getZoom(),padding=target.padding/zoom;if(t.originX==="right"){localMouse.x*=-1}else if(t.originX==="center"){localMouse.x*=t.mouseXSign*2;if(localMouse.x<0){t.mouseXSign=-t.mouseXSign}}if(t.originY==="bottom"){localMouse.y*=-1}else if(t.originY==="center"){localMouse.y*=t.mouseYSign*2;if(localMouse.y<0){t.mouseYSign=-t.mouseYSign}}if(abs(localMouse.x)>padding){if(localMouse.x<0){localMouse.x+=padding}else{localMouse.x-=padding}}else{localMouse.x=0}if(abs(localMouse.y)>padding){if(localMouse.y<0){localMouse.y+=padding}else{localMouse.y-=padding}}else{localMouse.y=0}},_rotateObject:function(x,y){var t=this._currentTransform;if(t.target.get("lockRotation")){return false}var lastAngle=atan2(t.ey-t.top,t.ex-t.left),curAngle=atan2(y-t.top,x-t.left),angle=radiansToDegrees(curAngle-lastAngle+t.theta),hasRoated=true;if(t.target.snapAngle>0){var snapAngle=t.target.snapAngle,snapThreshold=t.target.snapThreshold||snapAngle,rightAngleLocked=Math.ceil(angle/snapAngle)*snapAngle,leftAngleLocked=Math.floor(angle/snapAngle)*snapAngle;if(Math.abs(angle-leftAngleLocked)<snapThreshold){angle=leftAngleLocked}else if(Math.abs(angle-rightAngleLocked)<snapThreshold){angle=rightAngleLocked}}if(angle<0){angle=360+angle}angle%=360;if(t.target.angle===angle){hasRoated=false}else{t.target.angle=angle}return hasRoated},setCursor:function(value){this.upperCanvasEl.style.cursor=value},_resetObjectTransform:function(target){target.scaleX=1;target.scaleY=1;target.skewX=0;target.skewY=0;target.setAngle(0)},_drawSelection:function(ctx){var groupSelector=this._groupSelector,left=groupSelector.left,top=groupSelector.top,aleft=abs(left),atop=abs(top);if(this.selectionColor){ctx.fillStyle=this.selectionColor;ctx.fillRect(groupSelector.ex-(left>0?0:-left),groupSelector.ey-(top>0?0:-top),aleft,atop)}if(!this.selectionLineWidth||!this.selectionBorderColor){return}ctx.lineWidth=this.selectionLineWidth;ctx.strokeStyle=this.selectionBorderColor;if(this.selectionDashArray.length>1&&!supportLineDash){var px=groupSelector.ex+STROKE_OFFSET-(left>0?0:aleft),py=groupSelector.ey+STROKE_OFFSET-(top>0?0:atop);ctx.beginPath();fabric.util.drawDashedLine(ctx,px,py,px+aleft,py,this.selectionDashArray);fabric.util.drawDashedLine(ctx,px,py+atop-1,px+aleft,py+atop-1,this.selectionDashArray);fabric.util.drawDashedLine(ctx,px,py,px,py+atop,this.selectionDashArray);fabric.util.drawDashedLine(ctx,px+aleft-1,py,px+aleft-1,py+atop,this.selectionDashArray);ctx.closePath();ctx.stroke()}else{fabric.Object.prototype._setLineDash.call(this,ctx,this.selectionDashArray);ctx.strokeRect(groupSelector.ex+STROKE_OFFSET-(left>0?0:aleft),groupSelector.ey+STROKE_OFFSET-(top>0?0:atop),aleft,atop)}},findTarget:function(e,skipGroup){if(this.skipTargetFind){return}var ignoreZoom=true,pointer=this.getPointer(e,ignoreZoom),activeGroup=this.getActiveGroup(),activeObject=this.getActiveObject(),activeTarget;if(activeGroup&&!skipGroup&&activeGroup===this._searchPossibleTargets([activeGroup],pointer)){this._fireOverOutEvents(activeGroup,e);return activeGroup}if(activeObject&&activeObject._findTargetCorner(pointer)){this._fireOverOutEvents(activeObject,e);return activeObject}if(activeObject&&activeObject===this._searchPossibleTargets([activeObject],pointer)){if(!this.preserveObjectStacking){this._fireOverOutEvents(activeObject,e);return activeObject}else{activeTarget=activeObject}}this.targets=[];var target=this._searchPossibleTargets(this._objects,pointer);if(e[this.altSelectionKey]&&target&&activeTarget&&target!==activeTarget){target=activeTarget}this._fireOverOutEvents(target,e);return target},_fireOverOutEvents:function(target,e){if(target){if(this._hoveredTarget!==target){if(this._hoveredTarget){this.fire("mouse:out",{target:this._hoveredTarget,e:e});this._hoveredTarget.fire("mouseout",{e:e})}this.fire("mouse:over",{target:target,e:e});target.fire("mouseover",{e:e});this._hoveredTarget=target}}else if(this._hoveredTarget){this.fire("mouse:out",{target:this._hoveredTarget,e:e});this._hoveredTarget.fire("mouseout",{e:e});this._hoveredTarget=null}},_checkTarget:function(pointer,obj){if(obj&&obj.visible&&obj.evented&&this.containsPoint(null,obj,pointer)){if((this.perPixelTargetFind||obj.perPixelTargetFind)&&!obj.isEditing){var isTransparent=this.isTargetTransparent(obj,pointer.x,pointer.y);if(!isTransparent){return true}}else{return true}}},_searchPossibleTargets:function(objects,pointer){var target,i=objects.length,normalizedPointer,subTarget;while(i--){if(this._checkTarget(pointer,objects[i])){target=objects[i];if(target.type==="group"&&target.subTargetCheck){normalizedPointer=this._normalizePointer(target,pointer);subTarget=this._searchPossibleTargets(target._objects,normalizedPointer);subTarget&&this.targets.push(subTarget)}break}}return target},restorePointerVpt:function(pointer){return fabric.util.transformPoint(pointer,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,ignoreZoom,upperCanvasEl){if(!upperCanvasEl){upperCanvasEl=this.upperCanvasEl}var pointer=getPointer(e),bounds=upperCanvasEl.getBoundingClientRect(),boundsWidth=bounds.width||0,boundsHeight=bounds.height||0,cssScale;if(!boundsWidth||!boundsHeight){if("top"in bounds&&"bottom"in bounds){boundsHeight=Math.abs(bounds.top-bounds.bottom)}if("right"in bounds&&"left"in bounds){boundsWidth=Math.abs(bounds.right-bounds.left)}}this.calcOffset();pointer.x=pointer.x-this._offset.left;pointer.y=pointer.y-this._offset.top;if(!ignoreZoom){pointer=this.restorePointerVpt(pointer)}if(boundsWidth===0||boundsHeight===0){cssScale={width:1,height:1}}else{cssScale={width:upperCanvasEl.width/boundsWidth,height:upperCanvasEl.height/boundsHeight}}return{x:pointer.x*cssScale.width,y:pointer.y*cssScale.height}},_createUpperCanvas:function(){var lowerCanvasClass=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl=this._createCanvasElement();fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+lowerCanvasClass);this.wrapperEl.appendChild(this.upperCanvasEl);this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl);this._applyCanvasStyle(this.upperCanvasEl);this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement();this.cacheCanvasEl.setAttribute("width",this.width);this.cacheCanvasEl.setAttribute("height",this.height);this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{"class":this.containerClass});fabric.util.setStyle(this.wrapperEl,{width:this.getWidth()+"px",height:this.getHeight()+"px",position:"relative"});fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(element){var width=this.getWidth()||element.width,height=this.getHeight()||element.height;fabric.util.setStyle(element,{position:"absolute",width:width+"px",height:height+"px",left:0,top:0,"touch-action":"none"});element.width=width;element.height=height;fabric.util.makeElementUnselectable(element)},_copyCanvasStyle:function(fromEl,toEl){toEl.style.cssText=fromEl.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(object){var obj=this._activeObject;if(obj){obj.set("active",false);if(object!==obj&&obj.onDeselect&&typeof obj.onDeselect==="function"){obj.onDeselect()}}this._activeObject=object;object.set("active",true)},setActiveObject:function(object,e){var currentActiveObject=this.getActiveObject();if(currentActiveObject&¤tActiveObject!==object){currentActiveObject.fire("deselected",{e:e})}this._setActiveObject(object);this.renderAll();this.fire("object:selected",{target:object,e:e});object.fire("selected",{e:e});return this},getActiveObject:function(){return this._activeObject},_onObjectRemoved:function(obj){if(this.getActiveObject()===obj){this.fire("before:selection:cleared",{target:obj});this._discardActiveObject();this.fire("selection:cleared",{target:obj});obj.fire("deselected")}if(this._hoveredTarget===obj){this._hoveredTarget=null}this.callSuper("_onObjectRemoved",obj)},_discardActiveObject:function(){var obj=this._activeObject;if(obj){obj.set("active",false);if(obj.onDeselect&&typeof obj.onDeselect==="function"){obj.onDeselect()}}this._activeObject=null},discardActiveObject:function(e){var activeObject=this._activeObject;if(activeObject){this.fire("before:selection:cleared",{target:activeObject,e:e});this._discardActiveObject();this.fire("selection:cleared",{e:e});activeObject.fire("deselected",{e:e})}return this},_setActiveGroup:function(group){this._activeGroup=group;if(group){group.set("active",true)}},setActiveGroup:function(group,e){this._setActiveGroup(group);if(group){this.fire("object:selected",{target:group,e:e});group.fire("selected",{e:e})}return this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var g=this.getActiveGroup();if(g){g.destroy()}this.setActiveGroup(null)},discardActiveGroup:function(e){var g=this.getActiveGroup();if(g){this.fire("before:selection:cleared",{e:e,target:g});this._discardActiveGroup();this.fire("selection:cleared",{e:e})}return this},deactivateAll:function(){var allObjects=this.getObjects(),i=0,len=allObjects.length,obj;for(;i<len;i++){obj=allObjects[i];obj&&obj.set("active",false)}this._discardActiveGroup();this._discardActiveObject();return this},deactivateAllWithDispatch:function(e){this.discardActiveGroup(e);this.discardActiveObject(e);this.deactivateAll();return this},dispose:function(){this.callSuper("dispose");var wrapper=this.wrapperEl;this.removeListeners();wrapper.removeChild(this.upperCanvasEl);wrapper.removeChild(this.lowerCanvasEl);delete this.upperCanvasEl;if(wrapper.parentNode){wrapper.parentNode.replaceChild(this.lowerCanvasEl,this.wrapperEl)}delete this.wrapperEl;return this},clear:function(){this.discardActiveGroup();this.discardActiveObject();this.clearContext(this.contextTop);return this.callSuper("clear")},drawControls:function(ctx){var activeGroup=this.getActiveGroup();if(activeGroup){activeGroup._renderControls(ctx)}else{this._drawObjectsControls(ctx)}},_drawObjectsControls:function(ctx){for(var i=0,len=this._objects.length;i<len;++i){if(!this._objects[i]||!this._objects[i].active){continue}this._objects[i]._renderControls(ctx)}},_toObject:function(instance,methodName,propertiesToInclude){var originalProperties=this._realizeGroupTransformOnObject(instance),object=this.callSuper("_toObject",instance,methodName,propertiesToInclude);this._unwindGroupTransformOnObject(instance,originalProperties);return object},_realizeGroupTransformOnObject:function(instance){var layoutProps=["angle","flipX","flipY","height","left","scaleX","scaleY","top","width"];if(instance.group&&instance.group===this.getActiveGroup()){var originalValues={};layoutProps.forEach(function(prop){originalValues[prop]=instance[prop]});this.getActiveGroup().realizeTransform(instance);return originalValues}else{return null}},_unwindGroupTransformOnObject:function(instance,originalValues){if(originalValues){instance.set(originalValues)}},_setSVGObject:function(markup,instance,reviver){var originalProperties;originalProperties=this._realizeGroupTransformOnObject(instance);this.callSuper("_setSVGObject",markup,instance,reviver);this._unwindGroupTransformOnObject(instance,originalProperties)}});for(var prop in fabric.StaticCanvas){if(prop!=="prototype"){fabric.Canvas[prop]=fabric.StaticCanvas[prop]}}if(fabric.isTouchSupported){fabric.Canvas.prototype._setCursorFromEvent=function(){}}fabric.Element=fabric.Canvas})();(function(){var cursorOffset={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},addListener=fabric.util.addListener,removeListener=fabric.util.removeListener;fabric.util.object.extend(fabric.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],_initEventListeners:function(){this._bindEvents();addListener(fabric.window,"resize",this._onResize);addListener(this.upperCanvasEl,"mousedown",this._onMouseDown);addListener(this.upperCanvasEl,"mousemove",this._onMouseMove);addListener(this.upperCanvasEl,"mouseout",this._onMouseOut);addListener(this.upperCanvasEl,"mouseenter",this._onMouseEnter);addListener(this.upperCanvasEl,"wheel",this._onMouseWheel);addListener(this.upperCanvasEl,"contextmenu",this._onContextMenu);addListener(this.upperCanvasEl,"touchstart",this._onMouseDown,{passive:false});addListener(this.upperCanvasEl,"touchmove",this._onMouseMove,{passive:false});if(typeof eventjs!=="undefined"&&"add"in eventjs){eventjs.add(this.upperCanvasEl,"gesture",this._onGesture);eventjs.add(this.upperCanvasEl,"drag",this._onDrag);eventjs.add(this.upperCanvasEl,"orientation",this._onOrientationChange);eventjs.add(this.upperCanvasEl,"shake",this._onShake);eventjs.add(this.upperCanvasEl,"longpress",this._onLongPress)}},_bindEvents:function(){this._onMouseDown=this._onMouseDown.bind(this);this._onMouseMove=this._onMouseMove.bind(this);this._onMouseUp=this._onMouseUp.bind(this);this._onResize=this._onResize.bind(this);this._onGesture=this._onGesture.bind(this);this._onDrag=this._onDrag.bind(this);this._onShake=this._onShake.bind(this);this._onLongPress=this._onLongPress.bind(this);this._onOrientationChange=this._onOrientationChange.bind(this);this._onMouseWheel=this._onMouseWheel.bind(this);this._onMouseOut=this._onMouseOut.bind(this);this._onMouseEnter=this._onMouseEnter.bind(this);this._onContextMenu=this._onContextMenu.bind(this)},removeListeners:function(){removeListener(fabric.window,"resize",this._onResize);removeListener(this.upperCanvasEl,"mousedown",this._onMouseDown);removeListener(this.upperCanvasEl,"mousemove",this._onMouseMove);removeListener(this.upperCanvasEl,"mouseout",this._onMouseOut);removeListener(this.upperCanvasEl,"mouseenter",this._onMouseEnter);removeListener(this.upperCanvasEl,"wheel",this._onMouseWheel);removeListener(this.upperCanvasEl,"contextmenu",this._onContextMenu);removeListener(this.upperCanvasEl,"touchstart",this._onMouseDown);removeListener(this.upperCanvasEl,"touchmove",this._onMouseMove);if(typeof eventjs!=="undefined"&&"remove"in eventjs){eventjs.remove(this.upperCanvasEl,"gesture",this._onGesture);eventjs.remove(this.upperCanvasEl,"drag",this._onDrag);eventjs.remove(this.upperCanvasEl,"orientation",this._onOrientationChange);eventjs.remove(this.upperCanvasEl,"shake",this._onShake);eventjs.remove(this.upperCanvasEl,"longpress",this._onLongPress)}},_onGesture:function(e,self){this.__onTransformGesture&&this.__onTransformGesture(e,self)},_onDrag:function(e,self){this.__onDrag&&this.__onDrag(e,self)},_onMouseWheel:function(e){this.__onMouseWheel(e)},_onMouseOut:function(e){var target=this._hoveredTarget;this.fire("mouse:out",{target:target,e:e});this._hoveredTarget=null;target&&target.fire("mouseout",{e:e});if(this._iTextInstances){this._iTextInstances.forEach(function(obj){if(obj.isEditing){obj.hiddenTextarea.focus()}})}},_onMouseEnter:function(e){if(!this.findTarget(e)){this.fire("mouse:over",{target:null,e:e});this._hoveredTarget=null}},_onOrientationChange:function(e,self){this.__onOrientationChange&&this.__onOrientationChange(e,self)},_onShake:function(e,self){this.__onShake&&this.__onShake(e,self)},_onLongPress:function(e,self){this.__onLongPress&&this.__onLongPress(e,self)},_onContextMenu:function(e){if(this.stopContextMenu){e.stopPropagation();e.preventDefault()}return false},_onMouseDown:function(e){this.__onMouseDown(e);addListener(fabric.document,"touchend",this._onMouseUp,{passive:false});addListener(fabric.document,"touchmove",this._onMouseMove,{passive:false});removeListener(this.upperCanvasEl,"mousemove",this._onMouseMove);removeListener(this.upperCanvasEl,"touchmove",this._onMouseMove);if(e.type==="touchstart"){removeListener(this.upperCanvasEl,"mousedown",this._onMouseDown)}else{addListener(fabric.document,"mouseup",this._onMouseUp);addListener(fabric.document,"mousemove",this._onMouseMove)}},_onMouseUp:function(e){this.__onMouseUp(e);removeListener(fabric.document,"mouseup",this._onMouseUp);removeListener(fabric.document,"touchend",this._onMouseUp); | |
| removeListener(fabric.document,"mousemove",this._onMouseMove);removeListener(fabric.document,"touchmove",this._onMouseMove);addListener(this.upperCanvasEl,"mousemove",this._onMouseMove);addListener(this.upperCanvasEl,"touchmove",this._onMouseMove,{passive:false});if(e.type==="touchend"){var _this=this;setTimeout(function(){addListener(_this.upperCanvasEl,"mousedown",_this._onMouseDown)},400)}},_onMouseMove:function(e){!this.allowTouchScrolling&&e.preventDefault&&e.preventDefault();this.__onMouseMove(e)},_onResize:function(){this.calcOffset()},_shouldRender:function(target,pointer){var activeObject=this.getActiveGroup()||this.getActiveObject();if(activeObject&&activeObject.isEditing&&target===activeObject){return false}return!!(target&&(target.isMoving||target!==activeObject)||!target&&!!activeObject||!target&&!activeObject&&!this._groupSelector||pointer&&this._previousPointer&&this.selection&&(pointer.x!==this._previousPointer.x||pointer.y!==this._previousPointer.y))},__onMouseUp:function(e){var target,searchTarget=true,transform=this._currentTransform,groupSelector=this._groupSelector,isClick=!groupSelector||groupSelector.left===0&&groupSelector.top===0;if(this.isDrawingMode&&this._isCurrentlyDrawing){this._onMouseUpInDrawingMode(e);return}if(transform){this._finalizeCurrentTransform();searchTarget=!transform.actionPerformed}target=searchTarget?this.findTarget(e,true):transform.target;var shouldRender=this._shouldRender(target,this.getPointer(e));if(target||!isClick){this._maybeGroupObjects(e)}else{this._groupSelector=null;this._currentTransform=null}if(target){target.isMoving=false}this._handleCursorAndEvent(e,target,"up");target&&(target.__corner=0);shouldRender&&this.renderAll()},_handleCursorAndEvent:function(e,target,eventType){this._setCursorFromEvent(e,target);this._handleEvent(e,eventType,target?target:null)},_handleEvent:function(e,eventType,targetObj){var target=typeof targetObj==="undefined"?this.findTarget(e):targetObj,targets=this.targets||[],options={e:e,target:target,subTargets:targets};this.fire("mouse:"+eventType,options);target&&target.fire("mouse"+eventType,options);for(var i=0;i<targets.length;i++){targets[i].fire("mouse"+eventType,options)}},_finalizeCurrentTransform:function(){var transform=this._currentTransform,target=transform.target;if(target._scaling){target._scaling=false}target.setCoords();this._restoreOriginXY(target);if(transform.actionPerformed||this.stateful&&target.hasStateChanged()){this.fire("object:modified",{target:target});target.fire("modified")}},_restoreOriginXY:function(target){if(this._previousOriginX&&this._previousOriginY){var originPoint=target.translateToOriginPoint(target.getCenterPoint(),this._previousOriginX,this._previousOriginY);target.originX=this._previousOriginX;target.originY=this._previousOriginY;target.left=originPoint.x;target.top=originPoint.y;this._previousOriginX=null;this._previousOriginY=null}},_onMouseDownInDrawingMode:function(e){this._isCurrentlyDrawing=true;this.discardActiveObject(e).renderAll();if(this.clipTo){fabric.util.clipContext(this,this.contextTop)}var pointer=this.getPointer(e);this.freeDrawingBrush.onMouseDown(pointer);this._handleEvent(e,"down")},_onMouseMoveInDrawingMode:function(e){if(this._isCurrentlyDrawing){var pointer=this.getPointer(e);this.freeDrawingBrush.onMouseMove(pointer)}this.setCursor(this.freeDrawingCursor);this._handleEvent(e,"move")},_onMouseUpInDrawingMode:function(e){this._isCurrentlyDrawing=false;if(this.clipTo){this.contextTop.restore()}this.freeDrawingBrush.onMouseUp();this._handleEvent(e,"up")},__onMouseDown:function(e){var target=this.findTarget(e);var isRightClick="which"in e?e.which===3:e.button===2;if(isRightClick){if(this.fireRightClick){this._handleEvent(e,"down",target?target:null)}return}var isMiddleClick="which"in e?e.which===2:e.button===1;if(isMiddleClick){if(this.fireMiddleClick){this._handleEvent(e,"down",target?target:null)}return}if(this.isDrawingMode){this._onMouseDownInDrawingMode(e);return}if(this._currentTransform){return}var pointer=this.getPointer(e,true);this._previousPointer=pointer;var shouldRender=this._shouldRender(target,pointer),shouldGroup=this._shouldGroup(e,target);if(this._shouldClearSelection(e,target)){this._clearSelection(e,target,pointer)}else if(shouldGroup){this._handleGrouping(e,target);target=this.getActiveGroup()}if(target){if(target.selectable&&(target.__corner||!shouldGroup)){this._beforeTransform(e,target);this._setupCurrentTransform(e,target)}var activeObject=this.getActiveObject();if(target!==this.getActiveGroup()&&target!==activeObject){this.deactivateAll();if(target.selectable){activeObject&&activeObject.fire("deselected",{e:e});this.setActiveObject(target,e)}}}this._handleEvent(e,"down",target?target:null);shouldRender&&this.renderAll()},_beforeTransform:function(e,target){this.stateful&&target.saveState();if(target._findTargetCorner(this.getPointer(e))){this.onBeforeScaleRotate(target)}},_clearSelection:function(e,target,pointer){this.deactivateAllWithDispatch(e);if(target&&target.selectable){this.setActiveObject(target,e)}else if(this.selection){this._groupSelector={ex:pointer.x,ey:pointer.y,top:0,left:0}}},_setOriginToCenter:function(target){this._previousOriginX=this._currentTransform.target.originX;this._previousOriginY=this._currentTransform.target.originY;var center=target.getCenterPoint();target.originX="center";target.originY="center";target.left=center.x;target.top=center.y;this._currentTransform.left=target.left;this._currentTransform.top=target.top},_setCenterToOrigin:function(target){var originPoint=target.translateToOriginPoint(target.getCenterPoint(),this._previousOriginX,this._previousOriginY);target.originX=this._previousOriginX;target.originY=this._previousOriginY;target.left=originPoint.x;target.top=originPoint.y;this._previousOriginX=null;this._previousOriginY=null},__onMouseMove:function(e){var target,pointer;if(this.isDrawingMode){this._onMouseMoveInDrawingMode(e);return}if(typeof e.touches!=="undefined"&&e.touches.length>1){return}var groupSelector=this._groupSelector;if(groupSelector){pointer=this.getPointer(e,true);groupSelector.left=pointer.x-groupSelector.ex;groupSelector.top=pointer.y-groupSelector.ey;this.renderTop()}else if(!this._currentTransform){target=this.findTarget(e);this._setCursorFromEvent(e,target)}else{this._transformObject(e)}this._handleEvent(e,"move",target?target:null)},__onMouseWheel:function(e){this._handleEvent(e,"wheel")},_transformObject:function(e){var pointer=this.getPointer(e),transform=this._currentTransform;transform.reset=false;transform.target.isMoving=true;transform.shiftKey=e.shiftKey;transform.altKey=e[this.centeredKey];this._beforeScaleTransform(e,transform);this._performTransformAction(e,transform,pointer);transform.actionPerformed&&this.renderAll()},_performTransformAction:function(e,transform,pointer){var x=pointer.x,y=pointer.y,target=transform.target,action=transform.action,actionPerformed=false;if(action==="rotate"){(actionPerformed=this._rotateObject(x,y))&&this._fire("rotating",target,e)}else if(action==="scale"){(actionPerformed=this._onScale(e,transform,x,y))&&this._fire("scaling",target,e)}else if(action==="scaleX"){(actionPerformed=this._scaleObject(x,y,"x"))&&this._fire("scaling",target,e)}else if(action==="scaleY"){(actionPerformed=this._scaleObject(x,y,"y"))&&this._fire("scaling",target,e)}else if(action==="skewX"){(actionPerformed=this._skewObject(x,y,"x"))&&this._fire("skewing",target,e)}else if(action==="skewY"){(actionPerformed=this._skewObject(x,y,"y"))&&this._fire("skewing",target,e)}else{actionPerformed=this._translateObject(x,y);if(actionPerformed){this._fire("moving",target,e);this.setCursor(target.moveCursor||this.moveCursor)}}transform.actionPerformed=transform.actionPerformed||actionPerformed},_fire:function(eventName,target,e){this.fire("object:"+eventName,{target:target,e:e});target.fire(eventName,{e:e})},_beforeScaleTransform:function(e,transform){if(transform.action==="scale"||transform.action==="scaleX"||transform.action==="scaleY"){var centerTransform=this._shouldCenterTransform(transform.target);if(centerTransform&&(transform.originX!=="center"||transform.originY!=="center")||!centerTransform&&transform.originX==="center"&&transform.originY==="center"){this._resetCurrentTransform();transform.reset=true}}},_onScale:function(e,transform,x,y){if((e[this.uniScaleKey]||this.uniScaleTransform)&&!transform.target.get("lockUniScaling")){transform.currentAction="scale";return this._scaleObject(x,y)}else{if(!transform.reset&&transform.currentAction==="scale"){this._resetCurrentTransform()}transform.currentAction="scaleEqually";return this._scaleObject(x,y,"equally")}},_setCursorFromEvent:function(e,target){if(!target||!target.selectable){this.setCursor(this.defaultCursor);return false}var hoverCursor=target.hoverCursor||this.hoverCursor,activeGroup=this.getActiveGroup(),corner=target._findTargetCorner&&(!activeGroup||!activeGroup.contains(target))&&target._findTargetCorner(this.getPointer(e,true));if(!corner){this.setCursor(hoverCursor)}else{this._setCornerCursor(corner,target,e)}return true},_setCornerCursor:function(corner,target,e){if(corner in cursorOffset){this.setCursor(this._getRotatedCornerCursor(corner,target,e))}else if(corner==="mtr"&&target.hasRotatingPoint){this.setCursor(this.rotationCursor)}else{this.setCursor(this.defaultCursor);return false}},_getRotatedCornerCursor:function(corner,target,e){var n=Math.round(target.getAngle()%360/45);if(n<0){n+=8}n+=cursorOffset[corner];if(e[this.altActionKey]&&cursorOffset[corner]%2===0){n+=2}n%=8;return this.cursorMap[n]}})})();(function(){var min=Math.min,max=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(e,target){var activeObject=this.getActiveObject();return e[this.selectionKey]&&target&&target.selectable&&(this.getActiveGroup()||activeObject&&activeObject!==target)&&this.selection},_handleGrouping:function(e,target){var activeGroup=this.getActiveGroup();if(target===activeGroup){target=this.findTarget(e,true);if(!target){return}}if(activeGroup){this._updateActiveGroup(target,e)}else{this._createActiveGroup(target,e)}if(this._activeGroup){this._activeGroup.saveCoords()}},_updateActiveGroup:function(target,e){var activeGroup=this.getActiveGroup();if(activeGroup.contains(target)){activeGroup.removeWithUpdate(target);target.set("active",false);if(activeGroup.size()===1){this.discardActiveGroup(e);this.setActiveObject(activeGroup.item(0),e);return}}else{activeGroup.addWithUpdate(target)}this.fire("selection:created",{target:activeGroup,e:e});activeGroup.set("active",true)},_createActiveGroup:function(target,e){if(this._activeObject&&target!==this._activeObject){var group=this._createGroup(target);group.addWithUpdate();this.setActiveGroup(group,e);this._activeObject=null;this.fire("selection:created",{target:group,e:e})}target.set("active",true)},_createGroup:function(target){var objects=this.getObjects(),isActiveLower=objects.indexOf(this._activeObject)<objects.indexOf(target),groupObjects=isActiveLower?[this._activeObject,target]:[target,this._activeObject];this._activeObject.isEditing&&this._activeObject.exitEditing();return new fabric.Group(groupObjects,{canvas:this})},_groupSelectedObjects:function(e){var group=this._collectObjects();if(group.length===1){this.setActiveObject(group[0],e)}else if(group.length>1){group=new fabric.Group(group.reverse(),{canvas:this});group.addWithUpdate();this.setActiveGroup(group,e);group.saveCoords();this.fire("selection:created",{target:group,e:e});this.renderAll()}},_collectObjects:function(){var group=[],currentObject,x1=this._groupSelector.ex,y1=this._groupSelector.ey,x2=x1+this._groupSelector.left,y2=y1+this._groupSelector.top,selectionX1Y1=new fabric.Point(min(x1,x2),min(y1,y2)),selectionX2Y2=new fabric.Point(max(x1,x2),max(y1,y2)),isClick=x1===x2&&y1===y2;for(var i=this._objects.length;i--;){currentObject=this._objects[i];if(!currentObject||!currentObject.selectable||!currentObject.visible){continue}if(currentObject.intersectsWithRect(selectionX1Y1,selectionX2Y2)||currentObject.isContainedWithinRect(selectionX1Y1,selectionX2Y2)||currentObject.containsPoint(selectionX1Y1)||currentObject.containsPoint(selectionX2Y2)){currentObject.set("active",true);group.push(currentObject);if(isClick){break}}}return group},_maybeGroupObjects:function(e){if(this.selection&&this._groupSelector){this._groupSelectedObjects(e)}var activeGroup=this.getActiveGroup();if(activeGroup){activeGroup.setObjectsCoords().setCoords();activeGroup.isMoving=false;this.setCursor(this.defaultCursor)}this._groupSelector=null;this._currentTransform=null}})})();(function(){var supportQuality=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(options){options||(options={});var format=options.format||"png",quality=options.quality||1,multiplier=options.multiplier||1,cropping={left:options.left||0,top:options.top||0,width:options.width||0,height:options.height||0};return this.__toDataURLWithMultiplier(format,quality,cropping,multiplier)},__toDataURLWithMultiplier:function(format,quality,cropping,multiplier){var origWidth=this.getWidth(),origHeight=this.getHeight(),scaledWidth=(cropping.width||this.getWidth())*multiplier,scaledHeight=(cropping.height||this.getHeight())*multiplier,zoom=this.getZoom(),newZoom=zoom*multiplier,vp=this.viewportTransform,translateX=(vp[4]-cropping.left)*multiplier,translateY=(vp[5]-cropping.top)*multiplier,newVp=[newZoom,0,0,newZoom,translateX,translateY],originalInteractive=this.interactive;this.viewportTransform=newVp;this.interactive&&(this.interactive=false);if(origWidth!==scaledWidth||origHeight!==scaledHeight){this.setDimensions({width:scaledWidth,height:scaledHeight})}else{this.renderAll()}var data=this.__toDataURL(format,quality,cropping);originalInteractive&&(this.interactive=originalInteractive);this.viewportTransform=vp;this.setDimensions({width:origWidth,height:origHeight});return data},__toDataURL:function(format,quality){var canvasEl=this.contextContainer.canvas;if(format==="jpg"){format="jpeg"}var data=supportQuality?canvasEl.toDataURL("image/"+format,quality):canvasEl.toDataURL("image/"+format);return data},toDataURLWithMultiplier:function(format,multiplier,quality){return this.toDataURL({format:format,multiplier:multiplier,quality:quality})}})})();fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(json,callback,reviver){return this.loadFromJSON(json,callback,reviver)},loadFromJSON:function(json,callback,reviver){if(!json){return}var serialized=typeof json==="string"?JSON.parse(json):fabric.util.object.clone(json);this.clear();var _this=this;this._enlivenObjects(serialized.objects,function(){_this._setBgOverlay(serialized,function(){delete serialized.objects;delete serialized.backgroundImage;delete serialized.overlayImage;delete serialized.background;delete serialized.overlay;_this._setOptions(serialized);callback&&callback()})},reviver);return this},_setBgOverlay:function(serialized,callback){var _this=this,loaded={backgroundColor:false,overlayColor:false,backgroundImage:false,overlayImage:false};if(!serialized.backgroundImage&&!serialized.overlayImage&&!serialized.background&&!serialized.overlay){callback&&callback();return}var cbIfLoaded=function(){if(loaded.backgroundImage&&loaded.overlayImage&&loaded.backgroundColor&&loaded.overlayColor){_this.renderAll();callback&&callback()}};this.__setBgOverlay("backgroundImage",serialized.backgroundImage,loaded,cbIfLoaded);this.__setBgOverlay("overlayImage",serialized.overlayImage,loaded,cbIfLoaded);this.__setBgOverlay("backgroundColor",serialized.background,loaded,cbIfLoaded);this.__setBgOverlay("overlayColor",serialized.overlay,loaded,cbIfLoaded)},__setBgOverlay:function(property,value,loaded,callback){var _this=this;if(!value){loaded[property]=true;callback&&callback();return}if(property==="backgroundImage"||property==="overlayImage"){fabric.util.enlivenObjects([value],function(enlivedObject){_this[property]=enlivedObject[0];loaded[property]=true;callback&&callback()})}else{this["set"+fabric.util.string.capitalize(property,true)](value,function(){loaded[property]=true;callback&&callback()})}},_enlivenObjects:function(objects,callback,reviver){var _this=this;if(!objects||objects.length===0){callback&&callback();return}var renderOnAddRemove=this.renderOnAddRemove;this.renderOnAddRemove=false;fabric.util.enlivenObjects(objects,function(enlivenedObjects){enlivenedObjects.forEach(function(obj,index){_this.insertAt(obj,index)});_this.renderOnAddRemove=renderOnAddRemove;callback&&callback()},null,reviver)},_toDataURL:function(format,callback){this.clone(function(clone){callback(clone.toDataURL(format))})},_toDataURLWithMultiplier:function(format,multiplier,callback){this.clone(function(clone){callback(clone.toDataURLWithMultiplier(format,multiplier))})},clone:function(callback,properties){var data=JSON.stringify(this.toJSON(properties));this.cloneWithoutData(function(clone){clone.loadFromJSON(data,function(){callback&&callback(clone)})})},cloneWithoutData:function(callback){var el=fabric.document.createElement("canvas");el.width=this.getWidth();el.height=this.getHeight();var clone=new fabric.Canvas(el);clone.clipTo=this.clipTo;if(this.backgroundImage){clone.setBackgroundImage(this.backgroundImage.src,function(){clone.renderAll();callback&&callback(clone)});clone.backgroundImageOpacity=this.backgroundImageOpacity;clone.backgroundImageStretch=this.backgroundImageStretch}else{callback&&callback(clone)}}});(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,clone=fabric.util.object.clone,toFixed=fabric.util.toFixed,capitalize=fabric.util.string.capitalize,degreesToRadians=fabric.util.degreesToRadians,supportsLineDash=fabric.StaticCanvas.supports("setLineDash"),objectCaching=!fabric.isLikelyNode;if(fabric.Object){return}fabric.Object=fabric.util.createClass(fabric.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:false,flipY:false,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,transparentCorners:true,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:false,centeredRotation:true,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:true,evented:true,visible:true,hasControls:true,hasBorders:true,hasRotatingPoint:true,rotatingPointOffset:40,perPixelTargetFind:false,includeDefaultValues:true,clipTo:null,lockMovementX:false,lockMovementY:false,lockRotation:false,lockScalingX:false,lockScalingY:false,lockUniScaling:false,lockSkewingX:false,lockSkewingY:false,lockScalingFlip:false,excludeFromExport:false,objectCaching:objectCaching,statefullCache:false,noScaleCache:true,dirty:true,needsItsOwnCache:false,stateProperties:("top left width height scaleX scaleY flipX flipY originX originY transformMatrix "+"stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit "+"angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor "+"skewX skewY").split(" "),cacheProperties:("fill stroke strokeWidth strokeDashArray width height stroke strokeWidth strokeDashArray"+" strokeLineCap strokeLineJoin strokeMiterLimit fillRule backgroundColor").split(" "),initialize:function(options){options=options||{};if(options){this.setOptions(options)}if(this.objectCaching){this._createCacheCanvas()}},_createCacheCanvas:function(){this._cacheProperties={};this._cacheCanvas=fabric.document.createElement("canvas");this._cacheContext=this._cacheCanvas.getContext("2d");this._updateCacheCanvas()},_getCacheCanvasDimensions:function(){var zoom=this.canvas&&this.canvas.getZoom()||1,objectScale=this.getObjectScaling(),dim=this._getNonTransformedDimensions(),retina=this.canvas&&this.canvas._isRetinaScaling()?fabric.devicePixelRatio:1,zoomX=objectScale.scaleX*zoom*retina,zoomY=objectScale.scaleY*zoom*retina,width=dim.x*zoomX,height=dim.y*zoomY;return{width:width+2,height:height+2,zoomX:zoomX,zoomY:zoomY}},_updateCacheCanvas:function(){if(this.noScaleCache&&this.canvas&&this.canvas._currentTransform){var action=this.canvas._currentTransform.action;if(action.slice(0,5)==="scale"){return false}}var dims=this._getCacheCanvasDimensions(),width=dims.width,height=dims.height,zoomX=dims.zoomX,zoomY=dims.zoomY;if(width!==this.cacheWidth||height!==this.cacheHeight){this._cacheCanvas.width=Math.ceil(width);this._cacheCanvas.height=Math.ceil(height);this._cacheContext.translate(width/2,height/2);this._cacheContext.scale(zoomX,zoomY);this.cacheWidth=width;this.cacheHeight=height;this.zoomX=zoomX;this.zoomY=zoomY;return true}return false},setOptions:function(options){this._setOptions(options);this._initGradient(options.fill,"fill");this._initGradient(options.stroke,"stroke");this._initClipping(options);this._initPattern(options.fill,"fill");this._initPattern(options.stroke,"stroke")},transform:function(ctx,fromLeft){if(this.group&&!this.group._transformDone&&this.group===this.canvas._activeGroup){this.group.transform(ctx)}var center=fromLeft?this._getLeftTopCoords():this.getCenterPoint();ctx.translate(center.x,center.y);this.angle&&ctx.rotate(degreesToRadians(this.angle));ctx.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1));this.skewX&&ctx.transform(1,0,Math.tan(degreesToRadians(this.skewX)),1,0,0);this.skewY&&ctx.transform(1,Math.tan(degreesToRadians(this.skewY)),0,1,0,0)},toObject:function(propertiesToInclude){var NUM_FRACTION_DIGITS=fabric.Object.NUM_FRACTION_DIGITS,object={type:this.type,originX:this.originX,originY:this.originY,left:toFixed(this.left,NUM_FRACTION_DIGITS),top:toFixed(this.top,NUM_FRACTION_DIGITS),width:toFixed(this.width,NUM_FRACTION_DIGITS),height:toFixed(this.height,NUM_FRACTION_DIGITS),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:toFixed(this.strokeWidth,NUM_FRACTION_DIGITS),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:toFixed(this.strokeMiterLimit,NUM_FRACTION_DIGITS),scaleX:toFixed(this.scaleX,NUM_FRACTION_DIGITS),scaleY:toFixed(this.scaleY,NUM_FRACTION_DIGITS),angle:toFixed(this.getAngle(),NUM_FRACTION_DIGITS),flipX:this.flipX,flipY:this.flipY,opacity:toFixed(this.opacity,NUM_FRACTION_DIGITS),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():null,skewX:toFixed(this.skewX,NUM_FRACTION_DIGITS),skewY:toFixed(this.skewY,NUM_FRACTION_DIGITS)};fabric.util.populateWithProperties(this,object,propertiesToInclude);if(!this.includeDefaultValues){object=this._removeDefaultValues(object)}return object},toDatalessObject:function(propertiesToInclude){return this.toObject(propertiesToInclude)},_removeDefaultValues:function(object){var prototype=fabric.util.getKlass(object.type).prototype,stateProperties=prototype.stateProperties;stateProperties.forEach(function(prop){if(object[prop]===prototype[prop]){delete object[prop]}var isArray=Object.prototype.toString.call(object[prop])==="[object Array]"&&Object.prototype.toString.call(prototype[prop])==="[object Array]";if(isArray&&object[prop].length===0&&prototype[prop].length===0){delete object[prop]}});return object},toString:function(){return"#<fabric."+capitalize(this.type)+">"},getObjectScaling:function(){var scaleX=this.scaleX,scaleY=this.scaleY;if(this.group){var scaling=this.group.getObjectScaling();scaleX*=scaling.scaleX;scaleY*=scaling.scaleY}return{scaleX:scaleX,scaleY:scaleY}},_set:function(key,value){var shouldConstrainValue=key==="scaleX"||key==="scaleY";if(shouldConstrainValue){value=this._constrainScale(value)}if(key==="scaleX"&&value<0){this.flipX=!this.flipX;value*=-1}else if(key==="scaleY"&&value<0){this.flipY=!this.flipY;value*=-1}else if(key==="shadow"&&value&&!(value instanceof fabric.Shadow)){value=new fabric.Shadow(value)}else if(key==="dirty"&&this.group){this.group.set("dirty",value)}this[key]=value;if(this.cacheProperties.indexOf(key)>-1){if(this.group){this.group.set("dirty",true)}this.dirty=true}if(this.group&&this.stateProperties.indexOf(key)>-1){this.group.set("dirty",true)}if(key==="width"||key==="height"){this.minScaleLimit=Math.min(.1,1/Math.max(this.width,this.height))}return this},setOnGroup:function(){},setSourcePath:function(value){this.sourcePath=value;return this},getViewportTransform:function(){if(this.canvas&&this.canvas.viewportTransform){return this.canvas.viewportTransform}return fabric.iMatrix.concat()},render:function(ctx,noTransform){if(this.width===0&&this.height===0||!this.visible){return}if(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()){return}ctx.save();this._setupCompositeOperation(ctx);this.drawSelectionBackground(ctx);if(!noTransform){this.transform(ctx)}this._setOpacity(ctx);this._setShadow(ctx);if(this.transformMatrix){ctx.transform.apply(ctx,this.transformMatrix)}this.clipTo&&fabric.util.clipContext(this,ctx);if(this.shouldCache()){if(!this._cacheCanvas){this._createCacheCanvas()}if(this.isCacheDirty(noTransform)){this.statefullCache&&this.saveState({propertySet:"cacheProperties"});this.drawObject(this._cacheContext,noTransform);this.dirty=false}this.drawCacheOnCanvas(ctx)}else{this.drawObject(ctx,noTransform);if(noTransform&&this.objectCaching&&this.statefullCache){this.saveState({propertySet:"cacheProperties"})}}this.clipTo&&ctx.restore();ctx.restore()},shouldCache:function(){return this.objectCaching&&(!this.group||this.needsItsOwnCache||!this.group.isCaching())},willDrawShadow:function(){return!!this.shadow},drawObject:function(ctx,noTransform){this._renderBackground(ctx);this._setStrokeStyles(ctx);this._setFillStyles(ctx);this._render(ctx,noTransform)},drawCacheOnCanvas:function(ctx){ctx.scale(1/this.zoomX,1/this.zoomY);ctx.drawImage(this._cacheCanvas,-this.cacheWidth/2,-this.cacheHeight/2)},isCacheDirty:function(skipCanvas){if(!skipCanvas&&this._updateCacheCanvas()){return true}else{if(this.dirty||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(!skipCanvas){var width=this.cacheWidth/this.zoomX;var height=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-width/2,-height/2,width,height)}return true}}return false},_renderBackground:function(ctx){if(!this.backgroundColor){return}var dim=this._getNonTransformedDimensions();ctx.fillStyle=this.backgroundColor;ctx.fillRect(-dim.x/2,-dim.y/2,dim.x,dim.y);this._removeShadow(ctx)},_setOpacity:function(ctx){ctx.globalAlpha*=this.opacity},_setStrokeStyles:function(ctx){if(this.stroke){ctx.lineWidth=this.strokeWidth;ctx.lineCap=this.strokeLineCap;ctx.lineJoin=this.strokeLineJoin;ctx.miterLimit=this.strokeMiterLimit;ctx.strokeStyle=this.stroke.toLive?this.stroke.toLive(ctx,this):this.stroke}},_setFillStyles:function(ctx){if(this.fill){ctx.fillStyle=this.fill.toLive?this.fill.toLive(ctx,this):this.fill}},_setLineDash:function(ctx,dashArray,alternative){if(!dashArray){return}if(1&dashArray.length){dashArray.push.apply(dashArray,dashArray)}if(supportsLineDash){ctx.setLineDash(dashArray)}else{alternative&&alternative(ctx)}},_renderControls:function(ctx){if(!this.active||this.group&&this.group!==this.canvas.getActiveGroup()){return}var vpt=this.getViewportTransform(),matrix=this.calcTransformMatrix(),options;matrix=fabric.util.multiplyTransformMatrices(vpt,matrix);options=fabric.util.qrDecompose(matrix);ctx.save();ctx.translate(options.translateX,options.translateY);ctx.lineWidth=1*this.borderScaleFactor;if(!this.group){ctx.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1}if(this.group&&this.group===this.canvas.getActiveGroup()){ctx.rotate(degreesToRadians(options.angle));this.drawBordersInGroup(ctx,options)}else{ctx.rotate(degreesToRadians(this.angle));this.drawBorders(ctx)}this.drawControls(ctx);ctx.restore()},_setShadow:function(ctx){if(!this.shadow){return}var multX=this.canvas&&this.canvas.viewportTransform[0]||1,multY=this.canvas&&this.canvas.viewportTransform[3]||1,scaling=this.getObjectScaling();if(this.canvas&&this.canvas._isRetinaScaling()){multX*=fabric.devicePixelRatio;multY*=fabric.devicePixelRatio}ctx.shadowColor=this.shadow.color;ctx.shadowBlur=this.shadow.blur*(multX+multY)*(scaling.scaleX+scaling.scaleY)/4;ctx.shadowOffsetX=this.shadow.offsetX*multX*scaling.scaleX;ctx.shadowOffsetY=this.shadow.offsetY*multY*scaling.scaleY},_removeShadow:function(ctx){if(!this.shadow){return}ctx.shadowColor="";ctx.shadowBlur=ctx.shadowOffsetX=ctx.shadowOffsetY=0},_applyPatternGradientTransform:function(ctx,filler){if(!filler.toLive){return}var transform=filler.gradientTransform||filler.patternTransform;if(transform){ctx.transform.apply(ctx,transform)}var offsetX=-this.width/2+filler.offsetX||0,offsetY=-this.height/2+filler.offsetY||0;ctx.translate(offsetX,offsetY)},_renderFill:function(ctx){if(!this.fill){return}ctx.save();this._applyPatternGradientTransform(ctx,this.fill);if(this.fillRule==="evenodd"){ctx.fill("evenodd")}else{ctx.fill()}ctx.restore()},_renderStroke:function(ctx){if(!this.stroke||this.strokeWidth===0){return}if(this.shadow&&!this.shadow.affectStroke){this._removeShadow(ctx)}ctx.save();this._setLineDash(ctx,this.strokeDashArray,this._renderDashedStroke);this._applyPatternGradientTransform(ctx,this.stroke);ctx.stroke();ctx.restore()},clone:function(callback,propertiesToInclude){if(this.constructor.fromObject){return this.constructor.fromObject(this.toObject(propertiesToInclude),callback)}return new fabric.Object(this.toObject(propertiesToInclude))},cloneAsImage:function(callback,options){var dataUrl=this.toDataURL(options);fabric.util.loadImage(dataUrl,function(img){if(callback){callback(new fabric.Image(img))}});return this},toDataURL:function(options){options||(options={});var el=fabric.util.createCanvasElement(),boundingRect=this.getBoundingRect();el.width=boundingRect.width;el.height=boundingRect.height;fabric.util.wrapElement(el,"div");var canvas=new fabric.StaticCanvas(el,{enableRetinaScaling:options.enableRetinaScaling});if(options.format==="jpg"){options.format="jpeg"}if(options.format==="jpeg"){canvas.backgroundColor="#fff"}var origParams={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",false);this.setPositionByOrigin(new fabric.Point(canvas.getWidth()/2,canvas.getHeight()/2),"center","center");var originalCanvas=this.canvas;canvas.add(this);var data=canvas.toDataURL(options);this.set(origParams).setCoords();this.canvas=originalCanvas;canvas.dispose();canvas=null;return data},isType:function(type){return this.type===type},complexity:function(){return 1},toJSON:function(propertiesToInclude){return this.toObject(propertiesToInclude)},setGradient:function(property,options){options||(options={});var gradient={colorStops:[]};gradient.type=options.type||(options.r1||options.r2?"radial":"linear");gradient.coords={x1:options.x1,y1:options.y1,x2:options.x2,y2:options.y2};if(options.r1||options.r2){gradient.coords.r1=options.r1;gradient.coords.r2=options.r2}gradient.gradientTransform=options.gradientTransform;fabric.Gradient.prototype.addColorStop.call(gradient,options.colorStops);return this.set(property,fabric.Gradient.forObject(this,gradient))},setPatternFill:function(options){return this.set("fill",new fabric.Pattern(options))},setShadow:function(options){ | |
| return this.set("shadow",options?new fabric.Shadow(options):null)},setColor:function(color){this.set("fill",color);return this},setAngle:function(angle){var shouldCenterOrigin=(this.originX!=="center"||this.originY!=="center")&&this.centeredRotation;if(shouldCenterOrigin){this._setOriginToCenter()}this.set("angle",angle);if(shouldCenterOrigin){this._resetOrigin()}return this},centerH:function(){this.canvas&&this.canvas.centerObjectH(this);return this},viewportCenterH:function(){this.canvas&&this.canvas.viewportCenterObjectH(this);return this},centerV:function(){this.canvas&&this.canvas.centerObjectV(this);return this},viewportCenterV:function(){this.canvas&&this.canvas.viewportCenterObjectV(this);return this},center:function(){this.canvas&&this.canvas.centerObject(this);return this},viewportCenter:function(){this.canvas&&this.canvas.viewportCenterObject(this);return this},remove:function(){this.canvas&&this.canvas.remove(this);return this},getLocalPointer:function(e,pointer){pointer=pointer||this.canvas.getPointer(e);var pClicked=new fabric.Point(pointer.x,pointer.y),objectLeftTop=this._getLeftTopCoords();if(this.angle){pClicked=fabric.util.rotatePoint(pClicked,objectLeftTop,degreesToRadians(-this.angle))}return{x:pClicked.x-objectLeftTop.x,y:pClicked.y-objectLeftTop.y}},_setupCompositeOperation:function(ctx){if(this.globalCompositeOperation){ctx.globalCompositeOperation=this.globalCompositeOperation}}});fabric.util.createAccessors(fabric.Object);fabric.Object.prototype.rotate=fabric.Object.prototype.setAngle;extend(fabric.Object.prototype,fabric.Observable);fabric.Object.NUM_FRACTION_DIGITS=2;fabric.Object._fromObject=function(className,object,callback,forceAsync,extraParam){var klass=fabric[className];object=clone(object,true);if(forceAsync){fabric.util.enlivenPatterns([object.fill,object.stroke],function(patterns){if(typeof patterns[0]!=="undefined"){object.fill=patterns[0]}if(typeof patterns[1]!=="undefined"){object.stroke=patterns[1]}var instance=extraParam?new klass(object[extraParam],object):new klass(object);callback&&callback(instance)})}else{var instance=extraParam?new klass(object[extraParam],object):new klass(object);callback&&callback(instance);return instance}};fabric.Object.__uid=0})(typeof exports!=="undefined"?exports:this);(function(){var degreesToRadians=fabric.util.degreesToRadians,originXOffset={left:-.5,center:0,right:.5},originYOffset={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(point,fromOriginX,fromOriginY,toOriginX,toOriginY){var x=point.x,y=point.y,offsetX,offsetY,dim;if(typeof fromOriginX==="string"){fromOriginX=originXOffset[fromOriginX]}else{fromOriginX-=.5}if(typeof toOriginX==="string"){toOriginX=originXOffset[toOriginX]}else{toOriginX-=.5}offsetX=toOriginX-fromOriginX;if(typeof fromOriginY==="string"){fromOriginY=originYOffset[fromOriginY]}else{fromOriginY-=.5}if(typeof toOriginY==="string"){toOriginY=originYOffset[toOriginY]}else{toOriginY-=.5}offsetY=toOriginY-fromOriginY;if(offsetX||offsetY){dim=this._getTransformedDimensions();x=point.x+offsetX*dim.x;y=point.y+offsetY*dim.y}return new fabric.Point(x,y)},translateToCenterPoint:function(point,originX,originY){var p=this.translateToGivenOrigin(point,originX,originY,"center","center");if(this.angle){return fabric.util.rotatePoint(p,point,degreesToRadians(this.angle))}return p},translateToOriginPoint:function(center,originX,originY){var p=this.translateToGivenOrigin(center,"center","center",originX,originY);if(this.angle){return fabric.util.rotatePoint(p,center,degreesToRadians(this.angle))}return p},getCenterPoint:function(){var leftTop=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(leftTop,this.originX,this.originY)},getPointByOrigin:function(originX,originY){var center=this.getCenterPoint();return this.translateToOriginPoint(center,originX,originY)},toLocalPoint:function(point,originX,originY){var center=this.getCenterPoint(),p,p2;if(typeof originX!=="undefined"&&typeof originY!=="undefined"){p=this.translateToGivenOrigin(center,"center","center",originX,originY)}else{p=new fabric.Point(this.left,this.top)}p2=new fabric.Point(point.x,point.y);if(this.angle){p2=fabric.util.rotatePoint(p2,center,-degreesToRadians(this.angle))}return p2.subtractEquals(p)},setPositionByOrigin:function(pos,originX,originY){var center=this.translateToCenterPoint(pos,originX,originY),position=this.translateToOriginPoint(center,this.originX,this.originY);this.set("left",position.x);this.set("top",position.y)},adjustPosition:function(to){var angle=degreesToRadians(this.angle),hypotFull=this.getWidth(),xFull=Math.cos(angle)*hypotFull,yFull=Math.sin(angle)*hypotFull,offsetFrom,offsetTo;if(typeof this.originX==="string"){offsetFrom=originXOffset[this.originX]}else{offsetFrom=this.originX-.5}if(typeof to==="string"){offsetTo=originXOffset[to]}else{offsetTo=to-.5}this.left+=xFull*(offsetTo-offsetFrom);this.top+=yFull*(offsetTo-offsetFrom);this.setCoords();this.originX=to},_setOriginToCenter:function(){this._originalOriginX=this.originX;this._originalOriginY=this.originY;var center=this.getCenterPoint();this.originX="center";this.originY="center";this.left=center.x;this.top=center.y},_resetOrigin:function(){var originPoint=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX;this.originY=this._originalOriginY;this.left=originPoint.x;this.top=originPoint.y;this._originalOriginX=null;this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")},onDeselect:function(){}})})();(function(){function getCoords(coords){return[new fabric.Point(coords.tl.x,coords.tl.y),new fabric.Point(coords.tr.x,coords.tr.y),new fabric.Point(coords.br.x,coords.br.y),new fabric.Point(coords.bl.x,coords.bl.y)]}var degreesToRadians=fabric.util.degreesToRadians,multiplyMatrices=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,getCoords:function(absolute,calculate){if(!this.oCoords){this.setCoords()}var coords=absolute?this.aCoords:this.oCoords;return getCoords(calculate?this.calcCoords(absolute):coords)},intersectsWithRect:function(pointTL,pointBR,absolute,calculate){var coords=this.getCoords(absolute,calculate),intersection=fabric.Intersection.intersectPolygonRectangle(coords,pointTL,pointBR);return intersection.status==="Intersection"},intersectsWithObject:function(other,absolute,calculate){var intersection=fabric.Intersection.intersectPolygonPolygon(this.getCoords(absolute,calculate),other.getCoords(absolute,calculate));return intersection.status==="Intersection"||other.isContainedWithinObject(this,absolute,calculate)||this.isContainedWithinObject(other,absolute,calculate)},isContainedWithinObject:function(other,absolute,calculate){var points=this.getCoords(absolute,calculate),i=0,lines=other._getImageLines(calculate?other.calcCoords(absolute):absolute?other.aCoords:other.oCoords);for(;i<4;i++){if(!other.containsPoint(points[i],lines)){return false}}return true},isContainedWithinRect:function(pointTL,pointBR,absolute,calculate){var boundingRect=this.getBoundingRect(absolute,calculate);return boundingRect.left>=pointTL.x&&boundingRect.left+boundingRect.width<=pointBR.x&&boundingRect.top>=pointTL.y&&boundingRect.top+boundingRect.height<=pointBR.y},containsPoint:function(point,lines,absolute,calculate){var lines=lines||this._getImageLines(calculate?this.calcCoords(absolute):absolute?this.aCoords:this.oCoords),xPoints=this._findCrossPoints(point,lines);return xPoints!==0&&xPoints%2===1},isOnScreen:function(calculate){if(!this.canvas){return false}var pointTL=this.canvas.vptCoords.tl,pointBR=this.canvas.vptCoords.br;var points=this.getCoords(true,calculate),point;for(var i=0;i<4;i++){point=points[i];if(point.x<=pointBR.x&&point.x>=pointTL.x&&point.y<=pointBR.y&&point.y>=pointTL.y){return true}}if(this.intersectsWithRect(pointTL,pointBR,true)){return true}var centerPoint={x:(pointTL.x+pointBR.x)/2,y:(pointTL.y+pointBR.y)/2};if(this.containsPoint(centerPoint,null,true)){return true}return false},_getImageLines:function(oCoords){return{topline:{o:oCoords.tl,d:oCoords.tr},rightline:{o:oCoords.tr,d:oCoords.br},bottomline:{o:oCoords.br,d:oCoords.bl},leftline:{o:oCoords.bl,d:oCoords.tl}}},_findCrossPoints:function(point,lines){var b1,b2,a1,a2,xi,xcount=0,iLine;for(var lineKey in lines){iLine=lines[lineKey];if(iLine.o.y<point.y&&iLine.d.y<point.y){continue}if(iLine.o.y>=point.y&&iLine.d.y>=point.y){continue}if(iLine.o.x===iLine.d.x&&iLine.o.x>=point.x){xi=iLine.o.x}else{b1=0;b2=(iLine.d.y-iLine.o.y)/(iLine.d.x-iLine.o.x);a1=point.y-b1*point.x;a2=iLine.o.y-b2*iLine.o.x;xi=-(a1-a2)/(b1-b2)}if(xi>=point.x){xcount+=1}if(xcount===2){break}}return xcount},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(absolute,calculate){var coords=this.getCoords(absolute,calculate);return fabric.util.makeBoundingBoxFromPoints(coords)},getWidth:function(){return this._getTransformedDimensions().x},getHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(value){if(Math.abs(value)<this.minScaleLimit){if(value<0){return-this.minScaleLimit}else{return this.minScaleLimit}}return value},scale:function(value){value=this._constrainScale(value);if(value<0){this.flipX=!this.flipX;this.flipY=!this.flipY;value*=-1}this.scaleX=value;this.scaleY=value;return this.setCoords()},scaleToWidth:function(value){var boundingRectFactor=this.getBoundingRect().width/this.getWidth();return this.scale(value/this.width/boundingRectFactor)},scaleToHeight:function(value){var boundingRectFactor=this.getBoundingRect().height/this.getHeight();return this.scale(value/this.height/boundingRectFactor)},calcCoords:function(absolute){var theta=degreesToRadians(this.angle),vpt=this.getViewportTransform(),dim=absolute?this._getTransformedDimensions():this._calculateCurrentDimensions(),currentWidth=dim.x,currentHeight=dim.y,sinTh=Math.sin(theta),cosTh=Math.cos(theta),_angle=currentWidth>0?Math.atan(currentHeight/currentWidth):0,_hypotenuse=currentWidth/Math.cos(_angle)/2,offsetX=Math.cos(_angle+theta)*_hypotenuse,offsetY=Math.sin(_angle+theta)*_hypotenuse,center=this.getCenterPoint(),coords=absolute?center:fabric.util.transformPoint(center,vpt),tl=new fabric.Point(coords.x-offsetX,coords.y-offsetY),tr=new fabric.Point(tl.x+currentWidth*cosTh,tl.y+currentWidth*sinTh),bl=new fabric.Point(tl.x-currentHeight*sinTh,tl.y+currentHeight*cosTh),br=new fabric.Point(coords.x+offsetX,coords.y+offsetY);if(!absolute){var ml=new fabric.Point((tl.x+bl.x)/2,(tl.y+bl.y)/2),mt=new fabric.Point((tr.x+tl.x)/2,(tr.y+tl.y)/2),mr=new fabric.Point((br.x+tr.x)/2,(br.y+tr.y)/2),mb=new fabric.Point((br.x+bl.x)/2,(br.y+bl.y)/2),mtr=new fabric.Point(mt.x+sinTh*this.rotatingPointOffset,mt.y-cosTh*this.rotatingPointOffset)}var coords={tl:tl,tr:tr,br:br,bl:bl};if(!absolute){coords.ml=ml;coords.mt=mt;coords.mr=mr;coords.mb=mb;coords.mtr=mtr}return coords},setCoords:function(ignoreZoom,skipAbsolute){this.oCoords=this.calcCoords(ignoreZoom);if(!skipAbsolute){this.aCoords=this.calcCoords(true)}ignoreZoom||this._setCornerCoords&&this._setCornerCoords();return this},_calcRotateMatrix:function(){if(this.angle){var theta=degreesToRadians(this.angle),cos=Math.cos(theta),sin=Math.sin(theta);if(cos===6.123233995736766e-17||cos===-1.8369701987210297e-16){cos=0}return[cos,sin,-sin,cos,0,0]}return fabric.iMatrix.concat()},calcTransformMatrix:function(skipGroup){var center=this.getCenterPoint(),translateMatrix=[1,0,0,1,center.x,center.y],rotateMatrix=this._calcRotateMatrix(),dimensionMatrix=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,true),matrix=this.group&&!skipGroup?this.group.calcTransformMatrix():fabric.iMatrix.concat();matrix=multiplyMatrices(matrix,translateMatrix);matrix=multiplyMatrices(matrix,rotateMatrix);matrix=multiplyMatrices(matrix,dimensionMatrix);return matrix},_calcDimensionsTransformMatrix:function(skewX,skewY,flipping){var skewMatrixX=[1,0,Math.tan(degreesToRadians(skewX)),1],skewMatrixY=[1,Math.tan(degreesToRadians(skewY)),0,1],scaleX=this.scaleX*(flipping&&this.flipX?-1:1),scaleY=this.scaleY*(flipping&&this.flipY?-1:1),scaleMatrix=[scaleX,0,0,scaleY],m=multiplyMatrices(scaleMatrix,skewMatrixX,true);return multiplyMatrices(m,skewMatrixY,true)},_getNonTransformedDimensions:function(){var strokeWidth=this.strokeWidth,w=this.width+strokeWidth,h=this.height+strokeWidth;return{x:w,y:h}},_getTransformedDimensions:function(skewX,skewY){if(typeof skewX==="undefined"){skewX=this.skewX}if(typeof skewY==="undefined"){skewY=this.skewY}var dimensions=this._getNonTransformedDimensions(),dimX=dimensions.x/2,dimY=dimensions.y/2,points=[{x:-dimX,y:-dimY},{x:dimX,y:-dimY},{x:-dimX,y:dimY},{x:dimX,y:dimY}],i,transformMatrix=this._calcDimensionsTransformMatrix(skewX,skewY,false),bbox;for(i=0;i<points.length;i++){points[i]=fabric.util.transformPoint(points[i],transformMatrix)}bbox=fabric.util.makeBoundingBoxFromPoints(points);return{x:bbox.width,y:bbox.height}},_calculateCurrentDimensions:function(){var vpt=this.getViewportTransform(),dim=this._getTransformedDimensions(),p=fabric.util.transformPoint(dim,vpt,true);return p.scalarAdd(2*this.padding)}})})();fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){if(this.group){fabric.StaticCanvas.prototype.sendToBack.call(this.group,this)}else{this.canvas.sendToBack(this)}return this},bringToFront:function(){if(this.group){fabric.StaticCanvas.prototype.bringToFront.call(this.group,this)}else{this.canvas.bringToFront(this)}return this},sendBackwards:function(intersecting){if(this.group){fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,intersecting)}else{this.canvas.sendBackwards(this,intersecting)}return this},bringForward:function(intersecting){if(this.group){fabric.StaticCanvas.prototype.bringForward.call(this.group,this,intersecting)}else{this.canvas.bringForward(this,intersecting)}return this},moveTo:function(index){if(this.group){fabric.StaticCanvas.prototype.moveTo.call(this.group,this,index)}else{this.canvas.moveTo(this,index)}return this}});(function(){function getSvgColorString(prop,value){if(!value){return prop+": none; "}else if(value.toLive){return prop+": url(#SVGID_"+value.id+"); "}else{var color=new fabric.Color(value),str=prop+": "+color.toRgb()+"; ",opacity=color.getAlpha();if(opacity!==1){str+=prop+"-opacity: "+opacity.toString()+"; "}return str}}fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(skipShadow){var fillRule=this.fillRule,strokeWidth=this.strokeWidth?this.strokeWidth:"0",strokeDashArray=this.strokeDashArray?this.strokeDashArray.join(" "):"none",strokeLineCap=this.strokeLineCap?this.strokeLineCap:"butt",strokeLineJoin=this.strokeLineJoin?this.strokeLineJoin:"miter",strokeMiterLimit=this.strokeMiterLimit?this.strokeMiterLimit:"4",opacity=typeof this.opacity!=="undefined"?this.opacity:"1",visibility=this.visible?"":" visibility: hidden;",filter=skipShadow?"":this.getSvgFilter(),fill=getSvgColorString("fill",this.fill),stroke=getSvgColorString("stroke",this.stroke);return[stroke,"stroke-width: ",strokeWidth,"; ","stroke-dasharray: ",strokeDashArray,"; ","stroke-linecap: ",strokeLineCap,"; ","stroke-linejoin: ",strokeLineJoin,"; ","stroke-miterlimit: ",strokeMiterLimit,"; ",fill,"fill-rule: ",fillRule,"; ","opacity: ",opacity,";",filter,visibility].join("")},getSvgFilter:function(){return this.shadow?"filter: url(#SVGID_"+this.shadow.id+");":""},getSvgId:function(){return this.id?'id="'+this.id+'" ':""},getSvgTransform:function(){if(this.group&&this.group.type==="path-group"){return""}var toFixed=fabric.util.toFixed,angle=this.getAngle(),skewX=this.getSkewX()%360,skewY=this.getSkewY()%360,center=this.getCenterPoint(),NUM_FRACTION_DIGITS=fabric.Object.NUM_FRACTION_DIGITS,translatePart=this.type==="path-group"?"":"translate("+toFixed(center.x,NUM_FRACTION_DIGITS)+" "+toFixed(center.y,NUM_FRACTION_DIGITS)+")",anglePart=angle!==0?" rotate("+toFixed(angle,NUM_FRACTION_DIGITS)+")":"",scalePart=this.scaleX===1&&this.scaleY===1?"":" scale("+toFixed(this.scaleX,NUM_FRACTION_DIGITS)+" "+toFixed(this.scaleY,NUM_FRACTION_DIGITS)+")",skewXPart=skewX!==0?" skewX("+toFixed(skewX,NUM_FRACTION_DIGITS)+")":"",skewYPart=skewY!==0?" skewY("+toFixed(skewY,NUM_FRACTION_DIGITS)+")":"",addTranslateX=this.type==="path-group"?this.width:0,flipXPart=this.flipX?" matrix(-1 0 0 1 "+addTranslateX+" 0) ":"",addTranslateY=this.type==="path-group"?this.height:0,flipYPart=this.flipY?" matrix(1 0 0 -1 0 "+addTranslateY+")":"";return[translatePart,anglePart,scalePart,flipXPart,flipYPart,skewXPart,skewYPart].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+") ":""},_createBaseSVGMarkup:function(){var markup=[];if(this.fill&&this.fill.toLive){markup.push(this.fill.toSVG(this,false))}if(this.stroke&&this.stroke.toLive){markup.push(this.stroke.toSVG(this,false))}if(this.shadow){markup.push(this.shadow.toSVG(this))}return markup}})})();(function(){var extend=fabric.util.object.extend,originalSet="stateProperties";function saveProps(origin,destination,props){var tmpObj={},deep=true;props.forEach(function(prop){tmpObj[prop]=origin[prop]});extend(origin[destination],tmpObj,deep)}function _isEqual(origValue,currentValue,firstPass){if(!fabric.isLikelyNode&&origValue instanceof Element){return origValue===currentValue}else if(origValue instanceof Array){if(origValue.length!==currentValue.length){return false}for(var i=0,len=origValue.length;i<len;i++){if(origValue[i]!==currentValue[i]){return false}}return true}else if(origValue&&typeof origValue==="object"){if(!firstPass&&Object.keys(origValue).length!==Object.keys(currentValue).length){return false}for(var key in origValue){if(!_isEqual(origValue[key],currentValue[key])){return false}}return true}else{return origValue===currentValue}}fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(propertySet){propertySet=propertySet||originalSet;propertySet="_"+propertySet;if(!Object.keys(this[propertySet]).length){return true}return!_isEqual(this[propertySet],this,true)},saveState:function(options){var propertySet=options&&options.propertySet||originalSet,destination="_"+propertySet;if(!this[destination]){return this.setupState(options)}saveProps(this,destination,this[propertySet]);if(options&&options.stateProperties){saveProps(this,destination,options.stateProperties)}return this},setupState:function(options){options=options||{};var propertySet=options.propertySet||originalSet;options.propertySet=propertySet;this["_"+propertySet]={};this.saveState(options);return this}})})();(function(){var degreesToRadians=fabric.util.degreesToRadians,isVML=function(){return typeof G_vmlCanvasManager!=="undefined"};fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(pointer){if(!this.hasControls||!this.active){return false}var ex=pointer.x,ey=pointer.y,xPoints,lines;this.__corner=0;for(var i in this.oCoords){if(!this.isControlVisible(i)){continue}if(i==="mtr"&&!this.hasRotatingPoint){continue}if(this.get("lockUniScaling")&&(i==="mt"||i==="mr"||i==="mb"||i==="ml")){continue}lines=this._getImageLines(this.oCoords[i].corner);xPoints=this._findCrossPoints({x:ex,y:ey},lines);if(xPoints!==0&&xPoints%2===1){this.__corner=i;return i}}return false},_setCornerCoords:function(){var coords=this.oCoords,newTheta=degreesToRadians(45-this.angle),cornerHypotenuse=this.cornerSize*.707106,cosHalfOffset=cornerHypotenuse*Math.cos(newTheta),sinHalfOffset=cornerHypotenuse*Math.sin(newTheta),x,y;for(var point in coords){x=coords[point].x;y=coords[point].y;coords[point].corner={tl:{x:x-sinHalfOffset,y:y-cosHalfOffset},tr:{x:x+cosHalfOffset,y:y-sinHalfOffset},bl:{x:x-cosHalfOffset,y:y+sinHalfOffset},br:{x:x+sinHalfOffset,y:y+cosHalfOffset}}}},drawSelectionBackground:function(ctx){if(!this.selectionBackgroundColor||this.group||!this.active||this.canvas&&!this.canvas.interactive){return this}ctx.save();var center=this.getCenterPoint(),wh=this._calculateCurrentDimensions(),vpt=this.canvas.viewportTransform;ctx.translate(center.x,center.y);ctx.scale(1/vpt[0],1/vpt[3]);ctx.rotate(degreesToRadians(this.angle));ctx.fillStyle=this.selectionBackgroundColor;ctx.fillRect(-wh.x/2,-wh.y/2,wh.x,wh.y);ctx.restore();return this},drawBorders:function(ctx){if(!this.hasBorders){return this}var wh=this._calculateCurrentDimensions(),strokeWidth=1/this.borderScaleFactor,width=wh.x+strokeWidth,height=wh.y+strokeWidth;ctx.save();ctx.strokeStyle=this.borderColor;this._setLineDash(ctx,this.borderDashArray,null);ctx.strokeRect(-width/2,-height/2,width,height);if(this.hasRotatingPoint&&this.isControlVisible("mtr")&&!this.get("lockRotation")&&this.hasControls){var rotateHeight=-height/2;ctx.beginPath();ctx.moveTo(0,rotateHeight);ctx.lineTo(0,rotateHeight-this.rotatingPointOffset);ctx.closePath();ctx.stroke()}ctx.restore();return this},drawBordersInGroup:function(ctx,options){if(!this.hasBorders){return this}var p=this._getNonTransformedDimensions(),matrix=fabric.util.customTransformMatrix(options.scaleX,options.scaleY,options.skewX),wh=fabric.util.transformPoint(p,matrix),strokeWidth=1/this.borderScaleFactor,width=wh.x+strokeWidth,height=wh.y+strokeWidth;ctx.save();this._setLineDash(ctx,this.borderDashArray,null);ctx.strokeStyle=this.borderColor;ctx.strokeRect(-width/2,-height/2,width,height);ctx.restore();return this},drawControls:function(ctx){if(!this.hasControls){return this}var wh=this._calculateCurrentDimensions(),width=wh.x,height=wh.y,scaleOffset=this.cornerSize,left=-(width+scaleOffset)/2,top=-(height+scaleOffset)/2,methodName=this.transparentCorners?"stroke":"fill";ctx.save();ctx.strokeStyle=ctx.fillStyle=this.cornerColor;if(!this.transparentCorners){ctx.strokeStyle=this.cornerStrokeColor}this._setLineDash(ctx,this.cornerDashArray,null);this._drawControl("tl",ctx,methodName,left,top);this._drawControl("tr",ctx,methodName,left+width,top);this._drawControl("bl",ctx,methodName,left,top+height);this._drawControl("br",ctx,methodName,left+width,top+height);if(!this.get("lockUniScaling")){this._drawControl("mt",ctx,methodName,left+width/2,top);this._drawControl("mb",ctx,methodName,left+width/2,top+height);this._drawControl("mr",ctx,methodName,left+width,top+height/2);this._drawControl("ml",ctx,methodName,left,top+height/2)}if(this.hasRotatingPoint){this._drawControl("mtr",ctx,methodName,left+width/2,top-this.rotatingPointOffset)}ctx.restore();return this},_drawControl:function(control,ctx,methodName,left,top){if(!this.isControlVisible(control)){return}var size=this.cornerSize,stroke=!this.transparentCorners&&this.cornerStrokeColor;switch(this.cornerStyle){case"circle":ctx.beginPath();ctx.arc(left+size/2,top+size/2,size/2,0,2*Math.PI,false);ctx[methodName]();if(stroke){ctx.stroke()}break;default:isVML()||this.transparentCorners||ctx.clearRect(left,top,size,size);ctx[methodName+"Rect"](left,top,size,size);if(stroke){ctx.strokeRect(left,top,size,size)}}},isControlVisible:function(controlName){return this._getControlsVisibility()[controlName]},setControlVisible:function(controlName,visible){this._getControlsVisibility()[controlName]=visible;return this},setControlsVisibility:function(options){options||(options={});for(var p in options){this.setControlVisible(p,options[p])}return this},_getControlsVisibility:function(){if(!this._controlsVisibility){this._controlsVisibility={tl:true,tr:true,br:true,bl:true,ml:true,mt:true,mr:true,mb:true,mtr:true}}return this._controlsVisibility}})})();fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(object,callbacks){callbacks=callbacks||{};var empty=function(){},onComplete=callbacks.onComplete||empty,onChange=callbacks.onChange||empty,_this=this;fabric.util.animate({startValue:object.get("left"),endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(value){object.set("left",value);_this.renderAll();onChange()},onComplete:function(){object.setCoords();onComplete()}});return this},fxCenterObjectV:function(object,callbacks){callbacks=callbacks||{};var empty=function(){},onComplete=callbacks.onComplete||empty,onChange=callbacks.onChange||empty,_this=this;fabric.util.animate({startValue:object.get("top"),endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(value){object.set("top",value);_this.renderAll();onChange()},onComplete:function(){object.setCoords();onComplete()}});return this},fxRemove:function(object,callbacks){callbacks=callbacks||{};var empty=function(){},onComplete=callbacks.onComplete||empty,onChange=callbacks.onChange||empty,_this=this;fabric.util.animate({startValue:object.get("opacity"),endValue:0,duration:this.FX_DURATION,onStart:function(){object.set("active",false)},onChange:function(value){object.set("opacity",value);_this.renderAll();onChange()},onComplete:function(){_this.remove(object);onComplete()}});return this}});fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&typeof arguments[0]==="object"){var propsToAnimate=[],prop,skipCallbacks;for(prop in arguments[0]){propsToAnimate.push(prop)}for(var i=0,len=propsToAnimate.length;i<len;i++){prop=propsToAnimate[i];skipCallbacks=i!==len-1;this._animate(prop,arguments[0][prop],arguments[1],skipCallbacks)}}else{this._animate.apply(this,arguments)}return this},_animate:function(property,to,options,skipCallbacks){var _this=this,propPair;to=to.toString();if(!options){options={}}else{options=fabric.util.object.clone(options)}if(~property.indexOf(".")){propPair=property.split(".")}var currentValue=propPair?this.get(propPair[0])[propPair[1]]:this.get(property);if(!("from"in options)){options.from=currentValue}if(~to.indexOf("=")){to=currentValue+parseFloat(to.replace("=",""))}else{to=parseFloat(to)}fabric.util.animate({startValue:options.from,endValue:to,byValue:options.by,easing:options.easing,duration:options.duration,abort:options.abort&&function(){return options.abort.call(_this)},onChange:function(value){if(propPair){_this[propPair[0]][propPair[1]]=value}else{_this.set(property,value)}if(skipCallbacks){return}options.onChange&&options.onChange()},onComplete:function(){if(skipCallbacks){return}_this.setCoords();options.onComplete&&options.onComplete()}})}});(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,clone=fabric.util.object.clone,coordProps={x1:1,x2:1,y1:1,y2:1},supportsLineDash=fabric.StaticCanvas.supports("setLineDash");if(fabric.Line){fabric.warn("fabric.Line is already defined");return}var cacheProperties=fabric.Object.prototype.cacheProperties.concat();cacheProperties.push("x1","x2","y1","y2");fabric.Line=fabric.util.createClass(fabric.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,cacheProperties:cacheProperties,initialize:function(points,options){if(!points){points=[0,0,0,0]}this.callSuper("initialize",options);this.set("x1",points[0]);this.set("y1",points[1]);this.set("x2",points[2]);this.set("y2",points[3]);this._setWidthHeight(options)},_setWidthHeight:function(options){options||(options={});this.width=Math.abs(this.x2-this.x1);this.height=Math.abs(this.y2-this.y1);this.left="left"in options?options.left:this._getLeftToOriginX();this.top="top"in options?options.top:this._getTopToOriginY()},_set:function(key,value){this.callSuper("_set",key,value);if(typeof coordProps[key]!=="undefined"){this._setWidthHeight()}return this},_getLeftToOriginX:makeEdgeToOriginGetter({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:makeEdgeToOriginGetter({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(ctx,noTransform){ctx.beginPath();if(noTransform){var cp=this.getCenterPoint(),offset=this.strokeWidth/2;ctx.translate(cp.x-(this.strokeLineCap==="butt"&&this.height===0?0:offset),cp.y-(this.strokeLineCap==="butt"&&this.width===0?0:offset))}if(!this.strokeDashArray||this.strokeDashArray&&supportsLineDash){var p=this.calcLinePoints();ctx.moveTo(p.x1,p.y1);ctx.lineTo(p.x2,p.y2)}ctx.lineWidth=this.strokeWidth;var origStrokeStyle=ctx.strokeStyle;ctx.strokeStyle=this.stroke||ctx.fillStyle;this.stroke&&this._renderStroke(ctx);ctx.strokeStyle=origStrokeStyle},_renderDashedStroke:function(ctx){var p=this.calcLinePoints();ctx.beginPath();fabric.util.drawDashedLine(ctx,p.x1,p.y1,p.x2,p.y2,this.strokeDashArray);ctx.closePath()},toObject:function(propertiesToInclude){return extend(this.callSuper("toObject",propertiesToInclude),this.calcLinePoints())},_getNonTransformedDimensions:function(){var dim=this.callSuper("_getNonTransformedDimensions");if(this.strokeLineCap==="butt"){if(this.width===0){dim.y-=this.strokeWidth}if(this.height===0){dim.x-=this.strokeWidth}}return dim},calcLinePoints:function(){var xMult=this.x1<=this.x2?-1:1,yMult=this.y1<=this.y2?-1:1,x1=xMult*this.width*.5,y1=yMult*this.height*.5,x2=xMult*this.width*-.5,y2=yMult*this.height*-.5;return{x1:x1,x2:x2,y1:y1,y2:y2}},toSVG:function(reviver){var markup=this._createBaseSVGMarkup(),p={x1:this.x1,x2:this.x2,y1:this.y1,y2:this.y2};if(!(this.group&&this.group.type==="path-group")){p=this.calcLinePoints()}markup.push("<line ",this.getSvgId(),'x1="',p.x1,'" y1="',p.y1,'" x2="',p.x2,'" y2="',p.y2,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n');return reviver?reviver(markup.join("")):markup.join("")}});fabric.Line.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" "));fabric.Line.fromElement=function(element,options){options=options||{};var parsedAttributes=fabric.parseAttributes(element,fabric.Line.ATTRIBUTE_NAMES),points=[parsedAttributes.x1||0,parsedAttributes.y1||0,parsedAttributes.x2||0,parsedAttributes.y2||0];options.originX="left";options.originY="top";return new fabric.Line(points,extend(parsedAttributes,options))};fabric.Line.fromObject=function(object,callback,forceAsync){function _callback(instance){delete instance.points;callback&&callback(instance)}var options=clone(object,true);options.points=[object.x1,object.y1,object.x2,object.y2];var line=fabric.Object._fromObject("Line",options,_callback,forceAsync,"points");if(line){delete line.points}return line};function makeEdgeToOriginGetter(propertyNames,originValues){var origin=propertyNames.origin,axis1=propertyNames.axis1,axis2=propertyNames.axis2,dimension=propertyNames.dimension,nearest=originValues.nearest,center=originValues.center,farthest=originValues.farthest;return function(){switch(this.get(origin)){case nearest:return Math.min(this.get(axis1),this.get(axis2));case center:return Math.min(this.get(axis1),this.get(axis2))+.5*this.get(dimension);case farthest:return Math.max(this.get(axis1),this.get(axis2))}}}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),pi=Math.PI,extend=fabric.util.object.extend;if(fabric.Circle){fabric.warn("fabric.Circle is already defined.");return}var cacheProperties=fabric.Object.prototype.cacheProperties.concat();cacheProperties.push("radius");fabric.Circle=fabric.util.createClass(fabric.Object,{type:"circle",radius:0,startAngle:0,endAngle:pi*2,cacheProperties:cacheProperties,initialize:function(options){this.callSuper("initialize",options);this.set("radius",options&&options.radius||0)},_set:function(key,value){this.callSuper("_set",key,value);if(key==="radius"){this.setRadius(value)}return this},toObject:function(propertiesToInclude){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(propertiesToInclude))},toSVG:function(reviver){var markup=this._createBaseSVGMarkup(),x=0,y=0,angle=(this.endAngle-this.startAngle)%(2*pi);if(angle===0){if(this.group&&this.group.type==="path-group"){x=this.left+this.radius;y=this.top+this.radius; | |
| }markup.push("<circle ",this.getSvgId(),'cx="'+x+'" cy="'+y+'" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n')}else{var startX=Math.cos(this.startAngle)*this.radius,startY=Math.sin(this.startAngle)*this.radius,endX=Math.cos(this.endAngle)*this.radius,endY=Math.sin(this.endAngle)*this.radius,largeFlag=angle>pi?"1":"0";markup.push('<path d="M '+startX+" "+startY," A "+this.radius+" "+this.radius," 0 ",+largeFlag+" 1"," "+endX+" "+endY,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n')}return reviver?reviver(markup.join("")):markup.join("")},_render:function(ctx,noTransform){ctx.beginPath();ctx.arc(noTransform?this.left+this.radius:0,noTransform?this.top+this.radius:0,this.radius,this.startAngle,this.endAngle,false);this._renderFill(ctx);this._renderStroke(ctx)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(value){this.radius=value;return this.set("width",value*2).set("height",value*2)}});fabric.Circle.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("cx cy r".split(" "));fabric.Circle.fromElement=function(element,options){options||(options={});var parsedAttributes=fabric.parseAttributes(element,fabric.Circle.ATTRIBUTE_NAMES);if(!isValidRadius(parsedAttributes)){throw new Error("value of `r` attribute is required and can not be negative")}parsedAttributes.left=parsedAttributes.left||0;parsedAttributes.top=parsedAttributes.top||0;var obj=new fabric.Circle(extend(parsedAttributes,options));obj.left-=obj.radius;obj.top-=obj.radius;return obj};function isValidRadius(attributes){return"radius"in attributes&&attributes.radius>=0}fabric.Circle.fromObject=function(object,callback,forceAsync){return fabric.Object._fromObject("Circle",object,callback,forceAsync)}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={});if(fabric.Triangle){fabric.warn("fabric.Triangle is already defined");return}fabric.Triangle=fabric.util.createClass(fabric.Object,{type:"triangle",initialize:function(options){this.callSuper("initialize",options);this.set("width",options&&options.width||100).set("height",options&&options.height||100)},_render:function(ctx){var widthBy2=this.width/2,heightBy2=this.height/2;ctx.beginPath();ctx.moveTo(-widthBy2,heightBy2);ctx.lineTo(0,-heightBy2);ctx.lineTo(widthBy2,heightBy2);ctx.closePath();this._renderFill(ctx);this._renderStroke(ctx)},_renderDashedStroke:function(ctx){var widthBy2=this.width/2,heightBy2=this.height/2;ctx.beginPath();fabric.util.drawDashedLine(ctx,-widthBy2,heightBy2,0,-heightBy2,this.strokeDashArray);fabric.util.drawDashedLine(ctx,0,-heightBy2,widthBy2,heightBy2,this.strokeDashArray);fabric.util.drawDashedLine(ctx,widthBy2,heightBy2,-widthBy2,heightBy2,this.strokeDashArray);ctx.closePath()},toSVG:function(reviver){var markup=this._createBaseSVGMarkup(),widthBy2=this.width/2,heightBy2=this.height/2,points=[-widthBy2+" "+heightBy2,"0 "+-heightBy2,widthBy2+" "+heightBy2].join(",");markup.push("<polygon ",this.getSvgId(),'points="',points,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>');return reviver?reviver(markup.join("")):markup.join("")}});fabric.Triangle.fromObject=function(object,callback,forceAsync){return fabric.Object._fromObject("Triangle",object,callback,forceAsync)}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),piBy2=Math.PI*2,extend=fabric.util.object.extend;if(fabric.Ellipse){fabric.warn("fabric.Ellipse is already defined.");return}var cacheProperties=fabric.Object.prototype.cacheProperties.concat();cacheProperties.push("rx","ry");fabric.Ellipse=fabric.util.createClass(fabric.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:cacheProperties,initialize:function(options){this.callSuper("initialize",options);this.set("rx",options&&options.rx||0);this.set("ry",options&&options.ry||0)},_set:function(key,value){this.callSuper("_set",key,value);switch(key){case"rx":this.rx=value;this.set("width",value*2);break;case"ry":this.ry=value;this.set("height",value*2);break}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(propertiesToInclude){return this.callSuper("toObject",["rx","ry"].concat(propertiesToInclude))},toSVG:function(reviver){var markup=this._createBaseSVGMarkup(),x=0,y=0;if(this.group&&this.group.type==="path-group"){x=this.left+this.rx;y=this.top+this.ry}markup.push("<ellipse ",this.getSvgId(),'cx="',x,'" cy="',y,'" ','rx="',this.rx,'" ry="',this.ry,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n');return reviver?reviver(markup.join("")):markup.join("")},_render:function(ctx,noTransform){ctx.beginPath();ctx.save();ctx.transform(1,0,0,this.ry/this.rx,0,0);ctx.arc(noTransform?this.left+this.rx:0,noTransform?(this.top+this.ry)*this.rx/this.ry:0,this.rx,0,piBy2,false);ctx.restore();this._renderFill(ctx);this._renderStroke(ctx)}});fabric.Ellipse.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" "));fabric.Ellipse.fromElement=function(element,options){options||(options={});var parsedAttributes=fabric.parseAttributes(element,fabric.Ellipse.ATTRIBUTE_NAMES);parsedAttributes.left=parsedAttributes.left||0;parsedAttributes.top=parsedAttributes.top||0;var ellipse=new fabric.Ellipse(extend(parsedAttributes,options));ellipse.top-=ellipse.ry;ellipse.left-=ellipse.rx;return ellipse};fabric.Ellipse.fromObject=function(object,callback,forceAsync){return fabric.Object._fromObject("Ellipse",object,callback,forceAsync)}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend;if(fabric.Rect){fabric.warn("fabric.Rect is already defined");return}var stateProperties=fabric.Object.prototype.stateProperties.concat();stateProperties.push("rx","ry");var cacheProperties=fabric.Object.prototype.cacheProperties.concat();cacheProperties.push("rx","ry");fabric.Rect=fabric.util.createClass(fabric.Object,{stateProperties:stateProperties,type:"rect",rx:0,ry:0,cacheProperties:cacheProperties,initialize:function(options){this.callSuper("initialize",options);this._initRxRy()},_initRxRy:function(){if(this.rx&&!this.ry){this.ry=this.rx}else if(this.ry&&!this.rx){this.rx=this.ry}},_render:function(ctx,noTransform){if(this.width===1&&this.height===1){ctx.fillRect(-.5,-.5,1,1);return}var rx=this.rx?Math.min(this.rx,this.width/2):0,ry=this.ry?Math.min(this.ry,this.height/2):0,w=this.width,h=this.height,x=noTransform?this.left:-this.width/2,y=noTransform?this.top:-this.height/2,isRounded=rx!==0||ry!==0,k=1-.5522847498;ctx.beginPath();ctx.moveTo(x+rx,y);ctx.lineTo(x+w-rx,y);isRounded&&ctx.bezierCurveTo(x+w-k*rx,y,x+w,y+k*ry,x+w,y+ry);ctx.lineTo(x+w,y+h-ry);isRounded&&ctx.bezierCurveTo(x+w,y+h-k*ry,x+w-k*rx,y+h,x+w-rx,y+h);ctx.lineTo(x+rx,y+h);isRounded&&ctx.bezierCurveTo(x+k*rx,y+h,x,y+h-k*ry,x,y+h-ry);ctx.lineTo(x,y+ry);isRounded&&ctx.bezierCurveTo(x,y+k*ry,x+k*rx,y,x+rx,y);ctx.closePath();this._renderFill(ctx);this._renderStroke(ctx)},_renderDashedStroke:function(ctx){var x=-this.width/2,y=-this.height/2,w=this.width,h=this.height;ctx.beginPath();fabric.util.drawDashedLine(ctx,x,y,x+w,y,this.strokeDashArray);fabric.util.drawDashedLine(ctx,x+w,y,x+w,y+h,this.strokeDashArray);fabric.util.drawDashedLine(ctx,x+w,y+h,x,y+h,this.strokeDashArray);fabric.util.drawDashedLine(ctx,x,y+h,x,y,this.strokeDashArray);ctx.closePath()},toObject:function(propertiesToInclude){return this.callSuper("toObject",["rx","ry"].concat(propertiesToInclude))},toSVG:function(reviver){var markup=this._createBaseSVGMarkup(),x=this.left,y=this.top;if(!(this.group&&this.group.type==="path-group")){x=-this.width/2;y=-this.height/2}markup.push("<rect ",this.getSvgId(),'x="',x,'" y="',y,'" rx="',this.get("rx"),'" ry="',this.get("ry"),'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n');return reviver?reviver(markup.join("")):markup.join("")}});fabric.Rect.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" "));fabric.Rect.fromElement=function(element,options){if(!element){return null}options=options||{};var parsedAttributes=fabric.parseAttributes(element,fabric.Rect.ATTRIBUTE_NAMES);parsedAttributes.left=parsedAttributes.left||0;parsedAttributes.top=parsedAttributes.top||0;var rect=new fabric.Rect(extend(options?fabric.util.object.clone(options):{},parsedAttributes));rect.visible=rect.visible&&rect.width>0&&rect.height>0;return rect};fabric.Rect.fromObject=function(object,callback,forceAsync){return fabric.Object._fromObject("Rect",object,callback,forceAsync)}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,min=fabric.util.array.min,max=fabric.util.array.max,toFixed=fabric.util.toFixed,NUM_FRACTION_DIGITS=fabric.Object.NUM_FRACTION_DIGITS;if(fabric.Polyline){fabric.warn("fabric.Polyline is already defined");return}var cacheProperties=fabric.Object.prototype.cacheProperties.concat();cacheProperties.push("points");fabric.Polyline=fabric.util.createClass(fabric.Object,{type:"polyline",points:null,minX:0,minY:0,cacheProperties:cacheProperties,initialize:function(points,options){options=options||{};this.points=points||[];this.callSuper("initialize",options);this._calcDimensions();if(!("top"in options)){this.top=this.minY}if(!("left"in options)){this.left=this.minX}this.pathOffset={x:this.minX+this.width/2,y:this.minY+this.height/2}},_calcDimensions:function(){var points=this.points,minX=min(points,"x"),minY=min(points,"y"),maxX=max(points,"x"),maxY=max(points,"y");this.width=maxX-minX||0;this.height=maxY-minY||0;this.minX=minX||0;this.minY=minY||0},toObject:function(propertiesToInclude){return extend(this.callSuper("toObject",propertiesToInclude),{points:this.points.concat()})},toSVG:function(reviver){var points=[],diffX,diffY,markup=this._createBaseSVGMarkup();if(!(this.group&&this.group.type==="path-group")){diffX=this.pathOffset.x;diffY=this.pathOffset.y}for(var i=0,len=this.points.length;i<len;i++){points.push(toFixed(this.points[i].x-diffX,NUM_FRACTION_DIGITS),",",toFixed(this.points[i].y-diffY,NUM_FRACTION_DIGITS)," ")}markup.push("<",this.type," ",this.getSvgId(),'points="',points.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n');return reviver?reviver(markup.join("")):markup.join("")},commonRender:function(ctx,noTransform){var point,len=this.points.length,x=noTransform?0:this.pathOffset.x,y=noTransform?0:this.pathOffset.y;if(!len||isNaN(this.points[len-1].y)){return false}ctx.beginPath();ctx.moveTo(this.points[0].x-x,this.points[0].y-y);for(var i=0;i<len;i++){point=this.points[i];ctx.lineTo(point.x-x,point.y-y)}return true},_render:function(ctx,noTransform){if(!this.commonRender(ctx,noTransform)){return}this._renderFill(ctx);this._renderStroke(ctx)},_renderDashedStroke:function(ctx){var p1,p2;ctx.beginPath();for(var i=0,len=this.points.length;i<len;i++){p1=this.points[i];p2=this.points[i+1]||p1;fabric.util.drawDashedLine(ctx,p1.x,p1.y,p2.x,p2.y,this.strokeDashArray)}},complexity:function(){return this.get("points").length}});fabric.Polyline.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat();fabric.Polyline.fromElement=function(element,options){if(!element){return null}options||(options={});var points=fabric.parsePointsAttribute(element.getAttribute("points")),parsedAttributes=fabric.parseAttributes(element,fabric.Polyline.ATTRIBUTE_NAMES);return new fabric.Polyline(points,fabric.util.object.extend(parsedAttributes,options))};fabric.Polyline.fromObject=function(object,callback,forceAsync){return fabric.Object._fromObject("Polyline",object,callback,forceAsync,"points")}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend;if(fabric.Polygon){fabric.warn("fabric.Polygon is already defined");return}fabric.Polygon=fabric.util.createClass(fabric.Polyline,{type:"polygon",_render:function(ctx,noTransform){if(!this.commonRender(ctx,noTransform)){return}ctx.closePath();this._renderFill(ctx);this._renderStroke(ctx)},_renderDashedStroke:function(ctx){this.callSuper("_renderDashedStroke",ctx);ctx.closePath()}});fabric.Polygon.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat();fabric.Polygon.fromElement=function(element,options){if(!element){return null}options||(options={});var points=fabric.parsePointsAttribute(element.getAttribute("points")),parsedAttributes=fabric.parseAttributes(element,fabric.Polygon.ATTRIBUTE_NAMES);return new fabric.Polygon(points,extend(parsedAttributes,options))};fabric.Polygon.fromObject=function(object,callback,forceAsync){return fabric.Object._fromObject("Polygon",object,callback,forceAsync,"points")}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),min=fabric.util.array.min,max=fabric.util.array.max,extend=fabric.util.object.extend,_toString=Object.prototype.toString,drawArc=fabric.util.drawArc,commandLengths={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},repeatedCommands={m:"l",M:"L"};if(fabric.Path){fabric.warn("fabric.Path is already defined");return}var cacheProperties=fabric.Object.prototype.cacheProperties.concat();cacheProperties.push("path");fabric.Path=fabric.util.createClass(fabric.Object,{type:"path",path:null,minX:0,minY:0,cacheProperties:cacheProperties,initialize:function(path,options){options=options||{};if(options){this.setOptions(options)}if(!path){path=[]}var fromArray=_toString.call(path)==="[object Array]";this.path=fromArray?path:path.match&&path.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi);if(!this.path){return}if(!fromArray){this.path=this._parsePath()}this._setPositionDimensions(options);if(this.objectCaching){this._createCacheCanvas()}},_setPositionDimensions:function(options){var calcDim=this._parseDimensions();this.minX=calcDim.left;this.minY=calcDim.top;this.width=calcDim.width;this.height=calcDim.height;if(typeof options.left==="undefined"){this.left=calcDim.left+(this.originX==="center"?this.width/2:this.originX==="right"?this.width:0)}if(typeof options.top==="undefined"){this.top=calcDim.top+(this.originY==="center"?this.height/2:this.originY==="bottom"?this.height:0)}this.pathOffset=this.pathOffset||{x:this.minX+this.width/2,y:this.minY+this.height/2}},_renderPathCommands:function(ctx){var current,previous=null,subpathStartX=0,subpathStartY=0,x=0,y=0,controlX=0,controlY=0,tempX,tempY,l=-this.pathOffset.x,t=-this.pathOffset.y;if(this.group&&this.group.type==="path-group"){l=0;t=0}ctx.beginPath();for(var i=0,len=this.path.length;i<len;++i){current=this.path[i];switch(current[0]){case"l":x+=current[1];y+=current[2];ctx.lineTo(x+l,y+t);break;case"L":x=current[1];y=current[2];ctx.lineTo(x+l,y+t);break;case"h":x+=current[1];ctx.lineTo(x+l,y+t);break;case"H":x=current[1];ctx.lineTo(x+l,y+t);break;case"v":y+=current[1];ctx.lineTo(x+l,y+t);break;case"V":y=current[1];ctx.lineTo(x+l,y+t);break;case"m":x+=current[1];y+=current[2];subpathStartX=x;subpathStartY=y;ctx.moveTo(x+l,y+t);break;case"M":x=current[1];y=current[2];subpathStartX=x;subpathStartY=y;ctx.moveTo(x+l,y+t);break;case"c":tempX=x+current[5];tempY=y+current[6];controlX=x+current[3];controlY=y+current[4];ctx.bezierCurveTo(x+current[1]+l,y+current[2]+t,controlX+l,controlY+t,tempX+l,tempY+t);x=tempX;y=tempY;break;case"C":x=current[5];y=current[6];controlX=current[3];controlY=current[4];ctx.bezierCurveTo(current[1]+l,current[2]+t,controlX+l,controlY+t,x+l,y+t);break;case"s":tempX=x+current[3];tempY=y+current[4];if(previous[0].match(/[CcSs]/)===null){controlX=x;controlY=y}else{controlX=2*x-controlX;controlY=2*y-controlY}ctx.bezierCurveTo(controlX+l,controlY+t,x+current[1]+l,y+current[2]+t,tempX+l,tempY+t);controlX=x+current[1];controlY=y+current[2];x=tempX;y=tempY;break;case"S":tempX=current[3];tempY=current[4];if(previous[0].match(/[CcSs]/)===null){controlX=x;controlY=y}else{controlX=2*x-controlX;controlY=2*y-controlY}ctx.bezierCurveTo(controlX+l,controlY+t,current[1]+l,current[2]+t,tempX+l,tempY+t);x=tempX;y=tempY;controlX=current[1];controlY=current[2];break;case"q":tempX=x+current[3];tempY=y+current[4];controlX=x+current[1];controlY=y+current[2];ctx.quadraticCurveTo(controlX+l,controlY+t,tempX+l,tempY+t);x=tempX;y=tempY;break;case"Q":tempX=current[3];tempY=current[4];ctx.quadraticCurveTo(current[1]+l,current[2]+t,tempX+l,tempY+t);x=tempX;y=tempY;controlX=current[1];controlY=current[2];break;case"t":tempX=x+current[1];tempY=y+current[2];if(previous[0].match(/[QqTt]/)===null){controlX=x;controlY=y}else{controlX=2*x-controlX;controlY=2*y-controlY}ctx.quadraticCurveTo(controlX+l,controlY+t,tempX+l,tempY+t);x=tempX;y=tempY;break;case"T":tempX=current[1];tempY=current[2];if(previous[0].match(/[QqTt]/)===null){controlX=x;controlY=y}else{controlX=2*x-controlX;controlY=2*y-controlY}ctx.quadraticCurveTo(controlX+l,controlY+t,tempX+l,tempY+t);x=tempX;y=tempY;break;case"a":drawArc(ctx,x+l,y+t,[current[1],current[2],current[3],current[4],current[5],current[6]+x+l,current[7]+y+t]);x+=current[6];y+=current[7];break;case"A":drawArc(ctx,x+l,y+t,[current[1],current[2],current[3],current[4],current[5],current[6]+l,current[7]+t]);x=current[6];y=current[7];break;case"z":case"Z":x=subpathStartX;y=subpathStartY;ctx.closePath();break}previous=current}},_render:function(ctx){this._renderPathCommands(ctx);this._renderFill(ctx);this._renderStroke(ctx)},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(propertiesToInclude){var o=extend(this.callSuper("toObject",["sourcePath","pathOffset"].concat(propertiesToInclude)),{path:this.path.map(function(item){return item.slice()}),top:this.top,left:this.left});return o},toDatalessObject:function(propertiesToInclude){var o=this.toObject(propertiesToInclude);if(this.sourcePath){o.path=this.sourcePath}delete o.sourcePath;return o},toSVG:function(reviver){var chunks=[],markup=this._createBaseSVGMarkup(),addTransform="";for(var i=0,len=this.path.length;i<len;i++){chunks.push(this.path[i].join(" "))}var path=chunks.join(" ");if(!(this.group&&this.group.type==="path-group")){addTransform=" translate("+-this.pathOffset.x+", "+-this.pathOffset.y+") "}markup.push("<path ",this.getSvgId(),'d="',path,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),addTransform,this.getSvgTransformMatrix(),'" stroke-linecap="round" ',"/>\n");return reviver?reviver(markup.join("")):markup.join("")},complexity:function(){return this.path.length},_parsePath:function(){var result=[],coords=[],currentPath,parsed,re=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,match,coordsStr;for(var i=0,coordsParsed,len=this.path.length;i<len;i++){currentPath=this.path[i];coordsStr=currentPath.slice(1).trim();coords.length=0;while(match=re.exec(coordsStr)){coords.push(match[0])}coordsParsed=[currentPath.charAt(0)];for(var j=0,jlen=coords.length;j<jlen;j++){parsed=parseFloat(coords[j]);if(!isNaN(parsed)){coordsParsed.push(parsed)}}var command=coordsParsed[0],commandLength=commandLengths[command.toLowerCase()],repeatedCommand=repeatedCommands[command]||command;if(coordsParsed.length-1>commandLength){for(var k=1,klen=coordsParsed.length;k<klen;k+=commandLength){result.push([command].concat(coordsParsed.slice(k,k+commandLength)));command=repeatedCommand}}else{result.push(coordsParsed)}}return result},_parseDimensions:function(){var aX=[],aY=[],current,previous=null,subpathStartX=0,subpathStartY=0,x=0,y=0,controlX=0,controlY=0,tempX,tempY,bounds;for(var i=0,len=this.path.length;i<len;++i){current=this.path[i];switch(current[0]){case"l":x+=current[1];y+=current[2];bounds=[];break;case"L":x=current[1];y=current[2];bounds=[];break;case"h":x+=current[1];bounds=[];break;case"H":x=current[1];bounds=[];break;case"v":y+=current[1];bounds=[];break;case"V":y=current[1];bounds=[];break;case"m":x+=current[1];y+=current[2];subpathStartX=x;subpathStartY=y;bounds=[];break;case"M":x=current[1];y=current[2];subpathStartX=x;subpathStartY=y;bounds=[];break;case"c":tempX=x+current[5];tempY=y+current[6];controlX=x+current[3];controlY=y+current[4];bounds=fabric.util.getBoundsOfCurve(x,y,x+current[1],y+current[2],controlX,controlY,tempX,tempY);x=tempX;y=tempY;break;case"C":controlX=current[3];controlY=current[4];bounds=fabric.util.getBoundsOfCurve(x,y,current[1],current[2],controlX,controlY,current[5],current[6]);x=current[5];y=current[6];break;case"s":tempX=x+current[3];tempY=y+current[4];if(previous[0].match(/[CcSs]/)===null){controlX=x;controlY=y}else{controlX=2*x-controlX;controlY=2*y-controlY}bounds=fabric.util.getBoundsOfCurve(x,y,controlX,controlY,x+current[1],y+current[2],tempX,tempY);controlX=x+current[1];controlY=y+current[2];x=tempX;y=tempY;break;case"S":tempX=current[3];tempY=current[4];if(previous[0].match(/[CcSs]/)===null){controlX=x;controlY=y}else{controlX=2*x-controlX;controlY=2*y-controlY}bounds=fabric.util.getBoundsOfCurve(x,y,controlX,controlY,current[1],current[2],tempX,tempY);x=tempX;y=tempY;controlX=current[1];controlY=current[2];break;case"q":tempX=x+current[3];tempY=y+current[4];controlX=x+current[1];controlY=y+current[2];bounds=fabric.util.getBoundsOfCurve(x,y,controlX,controlY,controlX,controlY,tempX,tempY);x=tempX;y=tempY;break;case"Q":controlX=current[1];controlY=current[2];bounds=fabric.util.getBoundsOfCurve(x,y,controlX,controlY,controlX,controlY,current[3],current[4]);x=current[3];y=current[4];break;case"t":tempX=x+current[1];tempY=y+current[2];if(previous[0].match(/[QqTt]/)===null){controlX=x;controlY=y}else{controlX=2*x-controlX;controlY=2*y-controlY}bounds=fabric.util.getBoundsOfCurve(x,y,controlX,controlY,controlX,controlY,tempX,tempY);x=tempX;y=tempY;break;case"T":tempX=current[1];tempY=current[2];if(previous[0].match(/[QqTt]/)===null){controlX=x;controlY=y}else{controlX=2*x-controlX;controlY=2*y-controlY}bounds=fabric.util.getBoundsOfCurve(x,y,controlX,controlY,controlX,controlY,tempX,tempY);x=tempX;y=tempY;break;case"a":bounds=fabric.util.getBoundsOfArc(x,y,current[1],current[2],current[3],current[4],current[5],current[6]+x,current[7]+y);x+=current[6];y+=current[7];break;case"A":bounds=fabric.util.getBoundsOfArc(x,y,current[1],current[2],current[3],current[4],current[5],current[6],current[7]);x=current[6];y=current[7];break;case"z":case"Z":x=subpathStartX;y=subpathStartY;break}previous=current;bounds.forEach(function(point){aX.push(point.x);aY.push(point.y)});aX.push(x);aY.push(y)}var minX=min(aX)||0,minY=min(aY)||0,maxX=max(aX)||0,maxY=max(aY)||0,deltaX=maxX-minX,deltaY=maxY-minY,o={left:minX,top:minY,width:deltaX,height:deltaY};return o}});fabric.Path.fromObject=function(object,callback,forceAsync){var path;if(typeof object.path==="string"){fabric.loadSVGFromURL(object.path,function(elements){var pathUrl=object.path;path=elements[0];delete object.path;fabric.util.object.extend(path,object);path.setSourcePath(pathUrl);callback&&callback(path)})}else{return fabric.Object._fromObject("Path",object,callback,forceAsync,"path")}};fabric.Path.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat(["d"]);fabric.Path.fromElement=function(element,callback,options){var parsedAttributes=fabric.parseAttributes(element,fabric.Path.ATTRIBUTE_NAMES);callback&&callback(new fabric.Path(parsedAttributes.d,extend(parsedAttributes,options)))};fabric.Path.async=true})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend;if(fabric.PathGroup){fabric.warn("fabric.PathGroup is already defined");return}fabric.PathGroup=fabric.util.createClass(fabric.Object,{type:"path-group",fill:"",initialize:function(paths,options){options=options||{};this.paths=paths||[];for(var i=this.paths.length;i--;){this.paths[i].group=this}if(options.toBeParsed){this.parseDimensionsFromPaths(options);delete options.toBeParsed}this.setOptions(options);this.setCoords();if(this.objectCaching){this._createCacheCanvas()}},parseDimensionsFromPaths:function(options){var points,p,xC=[],yC=[],path,height,width,m;for(var j=this.paths.length;j--;){path=this.paths[j];height=path.height+path.strokeWidth;width=path.width+path.strokeWidth;points=[{x:path.left,y:path.top},{x:path.left+width,y:path.top},{x:path.left,y:path.top+height},{x:path.left+width,y:path.top+height}];m=this.paths[j].transformMatrix;for(var i=0;i<points.length;i++){p=points[i];if(m){p=fabric.util.transformPoint(p,m,false)}xC.push(p.x);yC.push(p.y)}}options.width=Math.max.apply(null,xC);options.height=Math.max.apply(null,yC)},drawObject:function(ctx){ctx.save();ctx.translate(-this.width/2,-this.height/2);for(var i=0,l=this.paths.length;i<l;++i){this.paths[i].render(ctx,true)}ctx.restore()},shouldCache:function(){var parentCache=this.objectCaching&&(!this.group||this.needsItsOwnCache||!this.group.isCaching());this.caching=parentCache;if(parentCache){for(var i=0,len=this.paths.length;i<len;i++){if(this.paths[i].willDrawShadow()){this.caching=false;return false}}}return parentCache},willDrawShadow:function(){if(this.shadow){return true}for(var i=0,len=this.paths.length;i<len;i++){if(this.paths[i].willDrawShadow()){return true}}return false},isCaching:function(){return this.caching||this.group&&this.group.isCaching()},isCacheDirty:function(){if(this.callSuper("isCacheDirty")){return true}if(!this.statefullCache){return false}for(var i=0,len=this.paths.length;i<len;i++){if(this.paths[i].isCacheDirty(true)){var dim=this._getNonTransformedDimensions();this._cacheContext.clearRect(-dim.x/2,-dim.y/2,dim.x,dim.y);return true}}return false},_set:function(prop,value){if(prop==="fill"&&value&&this.isSameColor()){var i=this.paths.length;while(i--){this.paths[i]._set(prop,value)}}return this.callSuper("_set",prop,value)},toObject:function(propertiesToInclude){var pathsToObject=this.paths.map(function(path){var originalDefaults=path.includeDefaultValues;path.includeDefaultValues=path.group.includeDefaultValues;var obj=path.toObject(propertiesToInclude);path.includeDefaultValues=originalDefaults;return obj});var o=extend(this.callSuper("toObject",["sourcePath"].concat(propertiesToInclude)),{paths:pathsToObject});return o},toDatalessObject:function(propertiesToInclude){var o=this.toObject(propertiesToInclude);if(this.sourcePath){o.paths=this.sourcePath}return o},toSVG:function(reviver){var objects=this.getObjects(),p=this.getPointByOrigin("left","top"),translatePart="translate("+p.x+" "+p.y+")",markup=this._createBaseSVGMarkup();markup.push("<g ",this.getSvgId(),'style="',this.getSvgStyles(),'" ','transform="',this.getSvgTransformMatrix(),translatePart,this.getSvgTransform(),'" ',">\n");for(var i=0,len=objects.length;i<len;i++){markup.push(" ",objects[i].toSVG(reviver))}markup.push("</g>\n");return reviver?reviver(markup.join("")):markup.join("")},toString:function(){return"#<fabric.PathGroup ("+this.complexity()+"): { top: "+this.top+", left: "+this.left+" }>"},isSameColor:function(){var firstPathFill=this.getObjects()[0].get("fill")||"";if(typeof firstPathFill!=="string"){return false}firstPathFill=firstPathFill.toLowerCase();return this.getObjects().every(function(path){var pathFill=path.get("fill")||"";return typeof pathFill==="string"&&pathFill.toLowerCase()===firstPathFill})},complexity:function(){return this.paths.reduce(function(total,path){return total+(path&&path.complexity?path.complexity():0)},0)},getObjects:function(){return this.paths}});fabric.PathGroup.fromObject=function(object,callback){var originalPaths=object.paths;delete object.paths;if(typeof originalPaths==="string"){fabric.loadSVGFromURL(originalPaths,function(elements){var pathUrl=originalPaths;var pathGroup=fabric.util.groupSVGElements(elements,object,pathUrl);object.paths=originalPaths;callback(pathGroup)})}else{fabric.util.enlivenObjects(originalPaths,function(enlivenedObjects){var pathGroup=new fabric.PathGroup(enlivenedObjects,object);object.paths=originalPaths;callback(pathGroup)})}};fabric.PathGroup.async=true})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,min=fabric.util.array.min,max=fabric.util.array.max;if(fabric.Group){return}var _lockProperties={lockMovementX:true,lockMovementY:true,lockRotation:true,lockScalingX:true,lockScalingY:true,lockUniScaling:true};fabric.Group=fabric.util.createClass(fabric.Object,fabric.Collection,{type:"group",strokeWidth:0,subTargetCheck:false,initialize:function(objects,options,isAlreadyGrouped){options=options||{};this._objects=[];isAlreadyGrouped&&this.callSuper("initialize",options);this._objects=objects||[];for(var i=this._objects.length;i--;){this._objects[i].group=this}if(options.originX){this.originX=options.originX}if(options.originY){this.originY=options.originY}if(isAlreadyGrouped){this._updateObjectsCoords(true)}else{this._calcBounds();this._updateObjectsCoords();this.callSuper("initialize",options)}this.setCoords();this.saveCoords()},_updateObjectsCoords:function(skipCoordsChange){var center=this.getCenterPoint();for(var i=this._objects.length;i--;){this._updateObjectCoords(this._objects[i],center,skipCoordsChange)}},_updateObjectCoords:function(object,center,skipCoordsChange){object.__origHasControls=object.hasControls;object.hasControls=false;if(skipCoordsChange){return}var objectLeft=object.getLeft(),objectTop=object.getTop(),ignoreZoom=true,skipAbsolute=true;object.set({left:objectLeft-center.x,top:objectTop-center.y});object.setCoords(ignoreZoom,skipAbsolute)},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(object){this._restoreObjectsState();fabric.util.resetObjectTransform(this);if(object){this._objects.push(object);object.group=this;object._set("canvas",this.canvas)}this.forEachObject(this._setObjectActive,this);this._calcBounds();this._updateObjectsCoords();this.dirty=true;return this},_setObjectActive:function(object){object.set("active",true);object.group=this},removeWithUpdate:function(object){this._restoreObjectsState();fabric.util.resetObjectTransform(this);this.forEachObject(this._setObjectActive,this);this.remove(object);this._calcBounds();this._updateObjectsCoords();this.dirty=true;return this},_onObjectAdded:function(object){this.dirty=true;object.group=this;object._set("canvas",this.canvas)},_onObjectRemoved:function(object){this.dirty=true;delete object.group;object.set("active",false)},delegatedProperties:{fill:true,stroke:true,strokeWidth:true,fontFamily:true,fontWeight:true,fontSize:true,fontStyle:true,lineHeight:true,textDecoration:true,textAlign:true,backgroundColor:true},_set:function(key,value){var i=this._objects.length;if(this.delegatedProperties[key]||key==="canvas"){while(i--){this._objects[i].set(key,value)}}else{while(i--){this._objects[i].setOnGroup(key,value)}}this.callSuper("_set",key,value)},toObject:function(propertiesToInclude){var objsToObject=this.getObjects().map(function(obj){var originalDefaults=obj.includeDefaultValues;obj.includeDefaultValues=obj.group.includeDefaultValues;var _obj=obj.toObject(propertiesToInclude);obj.includeDefaultValues=originalDefaults;return _obj});return extend(this.callSuper("toObject",propertiesToInclude),{objects:objsToObject})},toDatalessObject:function(propertiesToInclude){var objsToObject=this.getObjects().map(function(obj){var originalDefaults=obj.includeDefaultValues;obj.includeDefaultValues=obj.group.includeDefaultValues;var _obj=obj.toDatalessObject(propertiesToInclude);obj.includeDefaultValues=originalDefaults;return _obj});return extend(this.callSuper("toDatalessObject",propertiesToInclude),{ | |
| objects:objsToObject})},render:function(ctx){this._transformDone=true;this.callSuper("render",ctx);this._transformDone=false},shouldCache:function(){var parentCache=this.objectCaching&&(!this.group||this.needsItsOwnCache||!this.group.isCaching());this.caching=parentCache;if(parentCache){for(var i=0,len=this._objects.length;i<len;i++){if(this._objects[i].willDrawShadow()){this.caching=false;return false}}}return parentCache},willDrawShadow:function(){if(this.shadow){return true}for(var i=0,len=this._objects.length;i<len;i++){if(this._objects[i].willDrawShadow()){return true}}return false},isCaching:function(){return this.caching||this.group&&this.group.isCaching()},drawObject:function(ctx){for(var i=0,len=this._objects.length;i<len;i++){this._renderObject(this._objects[i],ctx)}},isCacheDirty:function(){if(this.callSuper("isCacheDirty")){return true}if(!this.statefullCache){return false}for(var i=0,len=this._objects.length;i<len;i++){if(this._objects[i].isCacheDirty(true)){var dim=this._getNonTransformedDimensions();this._cacheContext.clearRect(-dim.x/2,-dim.y/2,dim.x,dim.y);return true}}return false},_renderControls:function(ctx,noTransform){ctx.save();ctx.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1;this.callSuper("_renderControls",ctx,noTransform);for(var i=0,len=this._objects.length;i<len;i++){this._objects[i]._renderControls(ctx)}ctx.restore()},_renderObject:function(object,ctx){if(!object.visible){return}var originalHasRotatingPoint=object.hasRotatingPoint;object.hasRotatingPoint=false;object.render(ctx);object.hasRotatingPoint=originalHasRotatingPoint},_restoreObjectsState:function(){this._objects.forEach(this._restoreObjectState,this);return this},realizeTransform:function(object){var matrix=object.calcTransformMatrix(),options=fabric.util.qrDecompose(matrix),center=new fabric.Point(options.translateX,options.translateY);object.flipX=false;object.flipY=false;object.set("scaleX",options.scaleX);object.set("scaleY",options.scaleY);object.skewX=options.skewX;object.skewY=options.skewY;object.angle=options.angle;object.setPositionByOrigin(center,"center","center");return object},_restoreObjectState:function(object){this.realizeTransform(object);object.setCoords();object.hasControls=object.__origHasControls;delete object.__origHasControls;object.set("active",false);delete object.group;return this},destroy:function(){return this._restoreObjectsState()},saveCoords:function(){this._originalLeft=this.get("left");this._originalTop=this.get("top");return this},hasMoved:function(){return this._originalLeft!==this.get("left")||this._originalTop!==this.get("top")},setObjectsCoords:function(){var ignoreZoom=true,skipAbsolute=true;this.forEachObject(function(object){object.setCoords(ignoreZoom,skipAbsolute)});return this},_calcBounds:function(onlyWidthHeight){var aX=[],aY=[],o,prop,props=["tr","br","bl","tl"],i=0,iLen=this._objects.length,j,jLen=props.length,ignoreZoom=true;for(;i<iLen;++i){o=this._objects[i];o.setCoords(ignoreZoom);for(j=0;j<jLen;j++){prop=props[j];aX.push(o.oCoords[prop].x);aY.push(o.oCoords[prop].y)}}this.set(this._getBounds(aX,aY,onlyWidthHeight))},_getBounds:function(aX,aY,onlyWidthHeight){var minXY=new fabric.Point(min(aX),min(aY)),maxXY=new fabric.Point(max(aX),max(aY)),obj={width:maxXY.x-minXY.x||0,height:maxXY.y-minXY.y||0};if(!onlyWidthHeight){obj.left=minXY.x||0;obj.top=minXY.y||0;if(this.originX==="center"){obj.left+=obj.width/2}if(this.originX==="right"){obj.left+=obj.width}if(this.originY==="center"){obj.top+=obj.height/2}if(this.originY==="bottom"){obj.top+=obj.height}}return obj},toSVG:function(reviver){var markup=this._createBaseSVGMarkup();markup.push("<g ",this.getSvgId(),'transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'" style="',this.getSvgFilter(),'">\n');for(var i=0,len=this._objects.length;i<len;i++){markup.push(" ",this._objects[i].toSVG(reviver))}markup.push("</g>\n");return reviver?reviver(markup.join("")):markup.join("")},get:function(prop){if(prop in _lockProperties){if(this[prop]){return this[prop]}else{for(var i=0,len=this._objects.length;i<len;i++){if(this._objects[i][prop]){return true}}return false}}else{if(prop in this.delegatedProperties){return this._objects[0]&&this._objects[0].get(prop)}return this[prop]}}});fabric.Group.fromObject=function(object,callback){fabric.util.enlivenObjects(object.objects,function(enlivenedObjects){delete object.objects;callback&&callback(new fabric.Group(enlivenedObjects,object,true))})};fabric.Group.async=true})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var extend=fabric.util.object.extend;if(!global.fabric){global.fabric={}}if(global.fabric.Image){fabric.warn("fabric.Image is already defined.");return}var stateProperties=fabric.Object.prototype.stateProperties.concat();stateProperties.push("alignX","alignY","meetOrSlice");fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",alignX:"none",alignY:"none",meetOrSlice:"meet",strokeWidth:0,_lastScaleX:1,_lastScaleY:1,minimumScaleTrigger:.5,stateProperties:stateProperties,objectCaching:false,initialize:function(element,options,callback){options||(options={});this.filters=[];this.resizeFilters=[];this.callSuper("initialize",options);this._initElement(element,options,callback)},getElement:function(){return this._element},setElement:function(element,callback,options){var _callback,_this;this._element=element;this._originalElement=element;this._initConfig(options);if(this.resizeFilters.length===0){_callback=callback}else{_this=this;_callback=function(){_this.applyFilters(callback,_this.resizeFilters,_this._filteredEl||_this._originalElement,true)}}if(this.filters.length!==0){this.applyFilters(_callback)}else if(_callback){_callback(this)}return this},setCrossOrigin:function(value){this.crossOrigin=value;this._element.crossOrigin=value;return this},getOriginalSize:function(){var element=this.getElement();return{width:element.width,height:element.height}},_stroke:function(ctx){if(!this.stroke||this.strokeWidth===0){return}var w=this.width/2,h=this.height/2;ctx.beginPath();ctx.moveTo(-w,-h);ctx.lineTo(w,-h);ctx.lineTo(w,h);ctx.lineTo(-w,h);ctx.lineTo(-w,-h);ctx.closePath()},_renderDashedStroke:function(ctx){var x=-this.width/2,y=-this.height/2,w=this.width,h=this.height;ctx.save();this._setStrokeStyles(ctx);ctx.beginPath();fabric.util.drawDashedLine(ctx,x,y,x+w,y,this.strokeDashArray);fabric.util.drawDashedLine(ctx,x+w,y,x+w,y+h,this.strokeDashArray);fabric.util.drawDashedLine(ctx,x+w,y+h,x,y+h,this.strokeDashArray);fabric.util.drawDashedLine(ctx,x,y+h,x,y,this.strokeDashArray);ctx.closePath();ctx.restore()},toObject:function(propertiesToInclude){var filters=[],resizeFilters=[],scaleX=1,scaleY=1;this.filters.forEach(function(filterObj){if(filterObj){if(filterObj.type==="Resize"){scaleX*=filterObj.scaleX;scaleY*=filterObj.scaleY}filters.push(filterObj.toObject())}});this.resizeFilters.forEach(function(filterObj){filterObj&&resizeFilters.push(filterObj.toObject())});var object=extend(this.callSuper("toObject",["crossOrigin","alignX","alignY","meetOrSlice"].concat(propertiesToInclude)),{src:this.getSrc(),filters:filters,resizeFilters:resizeFilters});object.width/=scaleX;object.height/=scaleY;return object},toSVG:function(reviver){var markup=this._createBaseSVGMarkup(),x=-this.width/2,y=-this.height/2,preserveAspectRatio="none",filtered=true;if(this.group&&this.group.type==="path-group"){x=this.left;y=this.top}if(this.alignX!=="none"&&this.alignY!=="none"){preserveAspectRatio="x"+this.alignX+"Y"+this.alignY+" "+this.meetOrSlice}markup.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n',"<image ",this.getSvgId(),'xlink:href="',this.getSvgSrc(filtered),'" x="',x,'" y="',y,'" style="',this.getSvgStyles(),'" width="',this.width,'" height="',this.height,'" preserveAspectRatio="',preserveAspectRatio,'"',"></image>\n");if(this.stroke||this.strokeDashArray){var origFill=this.fill;this.fill=null;markup.push("<rect ",'x="',x,'" y="',y,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n');this.fill=origFill}markup.push("</g>\n");return reviver?reviver(markup.join("")):markup.join("")},getSrc:function(filtered){var element=filtered?this._element:this._originalElement;if(element){return fabric.isLikelyNode?element._src:element.src}else{return this.src||""}},setSrc:function(src,callback,options){fabric.util.loadImage(src,function(img){return this.setElement(img,callback,options)},this,options&&options.crossOrigin)},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},applyFilters:function(callback,filters,imgElement,forResizing){filters=filters||this.filters;imgElement=imgElement||this._originalElement;if(!imgElement){return}var replacement=fabric.util.createImage(),retinaScaling=this.canvas?this.canvas.getRetinaScaling():fabric.devicePixelRatio,minimumScale=this.minimumScaleTrigger/retinaScaling,_this=this,scaleX,scaleY;if(filters.length===0){this._element=imgElement;callback&&callback(this);return imgElement}var canvasEl=fabric.util.createCanvasElement();canvasEl.width=imgElement.width;canvasEl.height=imgElement.height;canvasEl.getContext("2d").drawImage(imgElement,0,0,imgElement.width,imgElement.height);filters.forEach(function(filter){if(!filter){return}if(forResizing){scaleX=_this.scaleX<minimumScale?_this.scaleX:1;scaleY=_this.scaleY<minimumScale?_this.scaleY:1;if(scaleX*retinaScaling<1){scaleX*=retinaScaling}if(scaleY*retinaScaling<1){scaleY*=retinaScaling}}else{scaleX=filter.scaleX;scaleY=filter.scaleY}filter.applyTo(canvasEl,scaleX,scaleY);if(!forResizing&&filter.type==="Resize"){_this.width*=filter.scaleX;_this.height*=filter.scaleY}});replacement.width=canvasEl.width;replacement.height=canvasEl.height;if(fabric.isLikelyNode){replacement.src=canvasEl.toBuffer(undefined,fabric.Image.pngCompression);_this._element=replacement;!forResizing&&(_this._filteredEl=replacement);callback&&callback(_this)}else{replacement.onload=function(){_this._element=replacement;!forResizing&&(_this._filteredEl=replacement);callback&&callback(_this);replacement.onload=canvasEl=null};replacement.src=canvasEl.toDataURL("image/png")}return canvasEl},_render:function(ctx,noTransform){var x,y,imageMargins=this._findMargins(),elementToDraw;x=noTransform?this.left:-this.width/2;y=noTransform?this.top:-this.height/2;if(this.meetOrSlice==="slice"){ctx.beginPath();ctx.rect(x,y,this.width,this.height);ctx.clip()}if(this.isMoving===false&&this.resizeFilters.length&&this._needsResize()){this._lastScaleX=this.scaleX;this._lastScaleY=this.scaleY;elementToDraw=this.applyFilters(null,this.resizeFilters,this._filteredEl||this._originalElement,true)}else{elementToDraw=this._element}elementToDraw&&ctx.drawImage(elementToDraw,x+imageMargins.marginX,y+imageMargins.marginY,imageMargins.width,imageMargins.height);this._stroke(ctx);this._renderStroke(ctx)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_findMargins:function(){var width=this.width,height=this.height,scales,scale,marginX=0,marginY=0;if(this.alignX!=="none"||this.alignY!=="none"){scales=[this.width/this._element.width,this.height/this._element.height];scale=this.meetOrSlice==="meet"?Math.min.apply(null,scales):Math.max.apply(null,scales);width=this._element.width*scale;height=this._element.height*scale;if(this.alignX==="Mid"){marginX=(this.width-width)/2}if(this.alignX==="Max"){marginX=this.width-width}if(this.alignY==="Mid"){marginY=(this.height-height)/2}if(this.alignY==="Max"){marginY=this.height-height}}return{width:width,height:height,marginX:marginX,marginY:marginY}},_resetWidthHeight:function(){var element=this.getElement();this.set("width",element.width);this.set("height",element.height)},_initElement:function(element,options,callback){this.setElement(fabric.util.getById(element),callback,options);fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(options){options||(options={});this.setOptions(options);this._setWidthHeight(options);if(this._element&&this.crossOrigin){this._element.crossOrigin=this.crossOrigin}},_initFilters:function(filters,callback){if(filters&&filters.length){fabric.util.enlivenObjects(filters,function(enlivenedObjects){callback&&callback(enlivenedObjects)},"fabric.Image.filters")}else{callback&&callback()}},_setWidthHeight:function(options){this.width="width"in options?options.width:this.getElement()?this.getElement().width||0:0;this.height="height"in options?options.height:this.getElement()?this.getElement().height||0:0}});fabric.Image.CSS_CANVAS="canvas-img";fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc;fabric.Image.fromObject=function(object,callback){fabric.util.loadImage(object.src,function(img,error){if(error){callback&&callback(null,error);return}fabric.Image.prototype._initFilters.call(object,object.filters,function(filters){object.filters=filters||[];fabric.Image.prototype._initFilters.call(object,object.resizeFilters,function(resizeFilters){object.resizeFilters=resizeFilters||[];return new fabric.Image(img,object,callback)})})},null,object.crossOrigin)};fabric.Image.fromURL=function(url,callback,imgOptions){fabric.util.loadImage(url,function(img){callback&&callback(new fabric.Image(img,imgOptions))},null,imgOptions&&imgOptions.crossOrigin)};fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" "));fabric.Image.fromElement=function(element,callback,options){var parsedAttributes=fabric.parseAttributes(element,fabric.Image.ATTRIBUTE_NAMES),preserveAR;if(parsedAttributes.preserveAspectRatio){preserveAR=fabric.util.parsePreserveAspectRatioAttribute(parsedAttributes.preserveAspectRatio);extend(parsedAttributes,preserveAR)}fabric.Image.fromURL(parsedAttributes["xlink:href"],callback,extend(options?fabric.util.object.clone(options):{},parsedAttributes))};fabric.Image.async=true;fabric.Image.pngCompression=1})(typeof exports!=="undefined"?exports:this);fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var angle=this.getAngle()%360;if(angle>0){return Math.round((angle-1)/90)*90}return Math.round(angle/90)*90},straighten:function(){this.setAngle(this._getAngleValueForStraighten());return this},fxStraighten:function(callbacks){callbacks=callbacks||{};var empty=function(){},onComplete=callbacks.onComplete||empty,onChange=callbacks.onChange||empty,_this=this;fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(value){_this.setAngle(value);onChange()},onComplete:function(){_this.setCoords();onComplete()},onStart:function(){_this.set("active",false)}});return this}});fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(object){object.straighten();this.renderAll();return this},fxStraightenObject:function(object){object.fxStraighten({onChange:this.renderAll.bind(this)});return this}});fabric.Image.filters=fabric.Image.filters||{};fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",initialize:function(options){if(options){this.setOptions(options)}},setOptions:function(options){for(var prop in options){this[prop]=options[prop]}},toObject:function(){return{type:this.type}},toJSON:function(){return this.toObject()}});fabric.Image.filters.BaseFilter.fromObject=function(object,callback){var filter=new fabric.Image.filters[object.type](object);callback&&callback(filter);return filter};(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Brightness=createClass(filters.BaseFilter,{type:"Brightness",initialize:function(options){options=options||{};this.brightness=options.brightness||0},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,brightness=this.brightness;for(var i=0,len=data.length;i<len;i+=4){data[i]+=brightness;data[i+1]+=brightness;data[i+2]+=brightness}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{brightness:this.brightness})}});fabric.Image.filters.Brightness.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Convolute=createClass(filters.BaseFilter,{type:"Convolute",initialize:function(options){options=options||{};this.opaque=options.opaque;this.matrix=options.matrix||[0,0,0,0,1,0,0,0,0]},applyTo:function(canvasEl){var weights=this.matrix,context=canvasEl.getContext("2d"),pixels=context.getImageData(0,0,canvasEl.width,canvasEl.height),side=Math.round(Math.sqrt(weights.length)),halfSide=Math.floor(side/2),src=pixels.data,sw=pixels.width,sh=pixels.height,output=context.createImageData(sw,sh),dst=output.data,alphaFac=this.opaque?1:0,r,g,b,a,dstOff,scx,scy,srcOff,wt;for(var y=0;y<sh;y++){for(var x=0;x<sw;x++){dstOff=(y*sw+x)*4;r=0;g=0;b=0;a=0;for(var cy=0;cy<side;cy++){for(var cx=0;cx<side;cx++){scy=y+cy-halfSide;scx=x+cx-halfSide;if(scy<0||scy>sh||scx<0||scx>sw){continue}srcOff=(scy*sw+scx)*4;wt=weights[cy*side+cx];r+=src[srcOff]*wt;g+=src[srcOff+1]*wt;b+=src[srcOff+2]*wt;a+=src[srcOff+3]*wt}}dst[dstOff]=r;dst[dstOff+1]=g;dst[dstOff+2]=b;dst[dstOff+3]=a+alphaFac*(255-a)}}context.putImageData(output,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}});fabric.Image.filters.Convolute.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.GradientTransparency=createClass(filters.BaseFilter,{type:"GradientTransparency",initialize:function(options){options=options||{};this.threshold=options.threshold||100},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,threshold=this.threshold,total=data.length;for(var i=0,len=data.length;i<len;i+=4){data[i+3]=threshold+255*(total-i)/total}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{threshold:this.threshold})}});fabric.Image.filters.GradientTransparency.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Grayscale=createClass(filters.BaseFilter,{type:"Grayscale",applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,len=imageData.width*imageData.height*4,index=0,average;while(index<len){average=(data[index]+data[index+1]+data[index+2])/3;data[index]=average;data[index+1]=average;data[index+2]=average;index+=4}context.putImageData(imageData,0,0)}});fabric.Image.filters.Grayscale.fromObject=function(object,callback){object=object||{};object.type="Grayscale";return fabric.Image.filters.BaseFilter.fromObject(object,callback)}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Invert=createClass(filters.BaseFilter,{type:"Invert",applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,iLen=data.length,i;for(i=0;i<iLen;i+=4){data[i]=255-data[i];data[i+1]=255-data[i+1];data[i+2]=255-data[i+2]}context.putImageData(imageData,0,0)}});fabric.Image.filters.Invert.fromObject=function(object,callback){object=object||{};object.type="Invert";return fabric.Image.filters.BaseFilter.fromObject(object,callback)}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Mask=createClass(filters.BaseFilter,{type:"Mask",initialize:function(options){options=options||{};this.mask=options.mask;this.channel=[0,1,2,3].indexOf(options.channel)>-1?options.channel:0},applyTo:function(canvasEl){if(!this.mask){return}var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,maskEl=this.mask.getElement(),maskCanvasEl=fabric.util.createCanvasElement(),channel=this.channel,i,iLen=imageData.width*imageData.height*4;maskCanvasEl.width=canvasEl.width;maskCanvasEl.height=canvasEl.height;maskCanvasEl.getContext("2d").drawImage(maskEl,0,0,canvasEl.width,canvasEl.height);var maskImageData=maskCanvasEl.getContext("2d").getImageData(0,0,canvasEl.width,canvasEl.height),maskData=maskImageData.data;for(i=0;i<iLen;i+=4){data[i+3]=maskData[i+channel]}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{mask:this.mask.toObject(),channel:this.channel})}});fabric.Image.filters.Mask.fromObject=function(object,callback){fabric.util.loadImage(object.mask.src,function(img){object.mask=new fabric.Image(img,object.mask);return fabric.Image.filters.BaseFilter.fromObject(object,callback)})};fabric.Image.filters.Mask.async=true})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Noise=createClass(filters.BaseFilter,{type:"Noise",initialize:function(options){options=options||{};this.noise=options.noise||0},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,noise=this.noise,rand;for(var i=0,len=data.length;i<len;i+=4){rand=(.5-Math.random())*noise;data[i]+=rand;data[i+1]+=rand;data[i+2]+=rand}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{noise:this.noise})}});fabric.Image.filters.Noise.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Pixelate=createClass(filters.BaseFilter,{type:"Pixelate",initialize:function(options){options=options||{};this.blocksize=options.blocksize||4},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,iLen=imageData.height,jLen=imageData.width,index,i,j,r,g,b,a;for(i=0;i<iLen;i+=this.blocksize){for(j=0;j<jLen;j+=this.blocksize){index=i*4*jLen+j*4;r=data[index];g=data[index+1];b=data[index+2];a=data[index+3];for(var _i=i,_ilen=i+this.blocksize;_i<_ilen;_i++){for(var _j=j,_jlen=j+this.blocksize;_j<_jlen;_j++){index=_i*4*jLen+_j*4;data[index]=r;data[index+1]=g;data[index+2]=b;data[index+3]=a}}}}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{blocksize:this.blocksize})}});fabric.Image.filters.Pixelate.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.RemoveWhite=createClass(filters.BaseFilter,{type:"RemoveWhite",initialize:function(options){options=options||{};this.threshold=options.threshold||30;this.distance=options.distance||20},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,threshold=this.threshold,distance=this.distance,limit=255-threshold,abs=Math.abs,r,g,b;for(var i=0,len=data.length;i<len;i+=4){r=data[i];g=data[i+1];b=data[i+2];if(r>limit&&g>limit&&b>limit&&abs(r-g)<distance&&abs(r-b)<distance&&abs(g-b)<distance){data[i+3]=0}}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{threshold:this.threshold,distance:this.distance})}});fabric.Image.filters.RemoveWhite.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Sepia=createClass(filters.BaseFilter,{type:"Sepia",applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,iLen=data.length,i,avg;for(i=0;i<iLen;i+=4){avg=.3*data[i]+.59*data[i+1]+.11*data[i+2];data[i]=avg+100;data[i+1]=avg+50;data[i+2]=avg+255}context.putImageData(imageData,0,0)}});fabric.Image.filters.Sepia.fromObject=function(object,callback){object=object||{};object.type="Sepia";return new fabric.Image.filters.BaseFilter.fromObject(object,callback)}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Sepia2=createClass(filters.BaseFilter,{type:"Sepia2",applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,iLen=data.length,i,r,g,b;for(i=0;i<iLen;i+=4){r=data[i];g=data[i+1];b=data[i+2];data[i]=(r*.393+g*.769+b*.189)/1.351;data[i+1]=(r*.349+g*.686+b*.168)/1.203;data[i+2]=(r*.272+g*.534+b*.131)/2.14}context.putImageData(imageData,0,0)}});fabric.Image.filters.Sepia2.fromObject=function(object,callback){object=object||{};object.type="Sepia2";return new fabric.Image.filters.BaseFilter.fromObject(object,callback)}})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Tint=createClass(filters.BaseFilter,{type:"Tint",initialize:function(options){options=options||{};this.color=options.color||"#000000";this.opacity=typeof options.opacity!=="undefined"?options.opacity:new fabric.Color(this.color).getAlpha()},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,iLen=data.length,i,tintR,tintG,tintB,r,g,b,alpha1,source;source=new fabric.Color(this.color).getSource();tintR=source[0]*this.opacity;tintG=source[1]*this.opacity;tintB=source[2]*this.opacity;alpha1=1-this.opacity;for(i=0;i<iLen;i+=4){r=data[i];g=data[i+1];b=data[i+2];data[i]=tintR+r*alpha1;data[i+1]=tintG+g*alpha1;data[i+2]=tintB+b*alpha1}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{color:this.color,opacity:this.opacity})}});fabric.Image.filters.Tint.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Multiply=createClass(filters.BaseFilter,{type:"Multiply",initialize:function(options){options=options||{};this.color=options.color||"#000000"},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,iLen=data.length,i,source;source=new fabric.Color(this.color).getSource();for(i=0;i<iLen;i+=4){data[i]*=source[0]/255;data[i+1]*=source[1]/255;data[i+2]*=source[2]/255}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{color:this.color})}});fabric.Image.filters.Multiply.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Blend=createClass(filters.BaseFilter,{type:"Blend",initialize:function(options){options=options||{};this.color=options.color||"#000";this.image=options.image||false;this.mode=options.mode||"multiply";this.alpha=options.alpha||1},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,tr,tg,tb,r,g,b,_r,_g,_b,source,isImage=false;if(this.image){isImage=true;var _el=fabric.util.createCanvasElement();_el.width=this.image.width;_el.height=this.image.height;var tmpCanvas=new fabric.StaticCanvas(_el);tmpCanvas.add(this.image);var context2=tmpCanvas.getContext("2d");source=context2.getImageData(0,0,tmpCanvas.width,tmpCanvas.height).data}else{source=new fabric.Color(this.color).getSource();tr=source[0]*this.alpha;tg=source[1]*this.alpha;tb=source[2]*this.alpha}for(var i=0,len=data.length;i<len;i+=4){r=data[i];g=data[i+1];b=data[i+2];if(isImage){tr=source[i]*this.alpha;tg=source[i+1]*this.alpha;tb=source[i+2]*this.alpha}switch(this.mode){case"multiply":data[i]=r*tr/255;data[i+1]=g*tg/255;data[i+2]=b*tb/255;break;case"screen":data[i]=1-(1-r)*(1-tr);data[i+1]=1-(1-g)*(1-tg);data[i+2]=1-(1-b)*(1-tb);break;case"add":data[i]=Math.min(255,r+tr);data[i+1]=Math.min(255,g+tg);data[i+2]=Math.min(255,b+tb);break;case"diff":case"difference":data[i]=Math.abs(r-tr);data[i+1]=Math.abs(g-tg);data[i+2]=Math.abs(b-tb);break;case"subtract":_r=r-tr;_g=g-tg;_b=b-tb;data[i]=_r<0?0:_r;data[i+1]=_g<0?0:_g;data[i+2]=_b<0?0:_b;break;case"darken":data[i]=Math.min(r,tr);data[i+1]=Math.min(g,tg);data[i+2]=Math.min(b,tb);break;case"lighten":data[i]=Math.max(r,tr);data[i+1]=Math.max(g,tg);data[i+2]=Math.max(b,tb);break}}context.putImageData(imageData,0,0)},toObject:function(){return{color:this.color,image:this.image,mode:this.mode,alpha:this.alpha}}});fabric.Image.filters.Blend.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),pow=Math.pow,floor=Math.floor,sqrt=Math.sqrt,abs=Math.abs,max=Math.max,round=Math.round,sin=Math.sin,ceil=Math.ceil,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Resize=createClass(filters.BaseFilter,{type:"Resize",resizeType:"hermite",scaleX:0,scaleY:0,lanczosLobes:3,applyTo:function(canvasEl,scaleX,scaleY){if(scaleX===1&&scaleY===1){return}this.rcpScaleX=1/scaleX;this.rcpScaleY=1/scaleY;var oW=canvasEl.width,oH=canvasEl.height,dW=round(oW*scaleX),dH=round(oH*scaleY),imageData;if(this.resizeType==="sliceHack"){imageData=this.sliceByTwo(canvasEl,oW,oH,dW,dH)}if(this.resizeType==="hermite"){imageData=this.hermiteFastResize(canvasEl,oW,oH,dW,dH)}if(this.resizeType==="bilinear"){imageData=this.bilinearFiltering(canvasEl,oW,oH,dW,dH)}if(this.resizeType==="lanczos"){imageData=this.lanczosResize(canvasEl,oW,oH,dW,dH)}canvasEl.width=dW;canvasEl.height=dH;canvasEl.getContext("2d").putImageData(imageData,0,0)},sliceByTwo:function(canvasEl,oW,oH,dW,dH){var context=canvasEl.getContext("2d"),imageData,multW=.5,multH=.5,signW=1,signH=1,doneW=false,doneH=false,stepW=oW,stepH=oH,tmpCanvas=fabric.util.createCanvasElement(),tmpCtx=tmpCanvas.getContext("2d");dW=floor(dW);dH=floor(dH);tmpCanvas.width=max(dW,oW);tmpCanvas.height=max(dH,oH);if(dW>oW){multW=2;signW=-1}if(dH>oH){multH=2;signH=-1}imageData=context.getImageData(0,0,oW,oH);canvasEl.width=max(dW,oW);canvasEl.height=max(dH,oH); | |
| context.putImageData(imageData,0,0);while(!doneW||!doneH){oW=stepW;oH=stepH;if(dW*signW<floor(stepW*multW*signW)){stepW=floor(stepW*multW)}else{stepW=dW;doneW=true}if(dH*signH<floor(stepH*multH*signH)){stepH=floor(stepH*multH)}else{stepH=dH;doneH=true}imageData=context.getImageData(0,0,oW,oH);tmpCtx.putImageData(imageData,0,0);context.clearRect(0,0,stepW,stepH);context.drawImage(tmpCanvas,0,0,oW,oH,0,0,stepW,stepH)}return context.getImageData(0,0,dW,dH)},lanczosResize:function(canvasEl,oW,oH,dW,dH){function lanczosCreate(lobes){return function(x){if(x>lobes){return 0}x*=Math.PI;if(abs(x)<1e-16){return 1}var xx=x/lobes;return sin(x)*sin(xx)/x/xx}}function process(u){var v,i,weight,idx,a,red,green,blue,alpha,fX,fY;center.x=(u+.5)*ratioX;icenter.x=floor(center.x);for(v=0;v<dH;v++){center.y=(v+.5)*ratioY;icenter.y=floor(center.y);a=0;red=0;green=0;blue=0;alpha=0;for(i=icenter.x-range2X;i<=icenter.x+range2X;i++){if(i<0||i>=oW){continue}fX=floor(1e3*abs(i-center.x));if(!cacheLanc[fX]){cacheLanc[fX]={}}for(var j=icenter.y-range2Y;j<=icenter.y+range2Y;j++){if(j<0||j>=oH){continue}fY=floor(1e3*abs(j-center.y));if(!cacheLanc[fX][fY]){cacheLanc[fX][fY]=lanczos(sqrt(pow(fX*rcpRatioX,2)+pow(fY*rcpRatioY,2))/1e3)}weight=cacheLanc[fX][fY];if(weight>0){idx=(j*oW+i)*4;a+=weight;red+=weight*srcData[idx];green+=weight*srcData[idx+1];blue+=weight*srcData[idx+2];alpha+=weight*srcData[idx+3]}}}idx=(v*dW+u)*4;destData[idx]=red/a;destData[idx+1]=green/a;destData[idx+2]=blue/a;destData[idx+3]=alpha/a}if(++u<dW){return process(u)}else{return destImg}}var context=canvasEl.getContext("2d"),srcImg=context.getImageData(0,0,oW,oH),destImg=context.getImageData(0,0,dW,dH),srcData=srcImg.data,destData=destImg.data,lanczos=lanczosCreate(this.lanczosLobes),ratioX=this.rcpScaleX,ratioY=this.rcpScaleY,rcpRatioX=2/this.rcpScaleX,rcpRatioY=2/this.rcpScaleY,range2X=ceil(ratioX*this.lanczosLobes/2),range2Y=ceil(ratioY*this.lanczosLobes/2),cacheLanc={},center={},icenter={};return process(0)},bilinearFiltering:function(canvasEl,oW,oH,dW,dH){var a,b,c,d,x,y,i,j,xDiff,yDiff,chnl,color,offset=0,origPix,ratioX=this.rcpScaleX,ratioY=this.rcpScaleY,context=canvasEl.getContext("2d"),w4=4*(oW-1),img=context.getImageData(0,0,oW,oH),pixels=img.data,destImage=context.getImageData(0,0,dW,dH),destPixels=destImage.data;for(i=0;i<dH;i++){for(j=0;j<dW;j++){x=floor(ratioX*j);y=floor(ratioY*i);xDiff=ratioX*j-x;yDiff=ratioY*i-y;origPix=4*(y*oW+x);for(chnl=0;chnl<4;chnl++){a=pixels[origPix+chnl];b=pixels[origPix+4+chnl];c=pixels[origPix+w4+chnl];d=pixels[origPix+w4+4+chnl];color=a*(1-xDiff)*(1-yDiff)+b*xDiff*(1-yDiff)+c*yDiff*(1-xDiff)+d*xDiff*yDiff;destPixels[offset++]=color}}}return destImage},hermiteFastResize:function(canvasEl,oW,oH,dW,dH){var ratioW=this.rcpScaleX,ratioH=this.rcpScaleY,ratioWHalf=ceil(ratioW/2),ratioHHalf=ceil(ratioH/2),context=canvasEl.getContext("2d"),img=context.getImageData(0,0,oW,oH),data=img.data,img2=context.getImageData(0,0,dW,dH),data2=img2.data;for(var j=0;j<dH;j++){for(var i=0;i<dW;i++){var x2=(i+j*dW)*4,weight=0,weights=0,weightsAlpha=0,gxR=0,gxG=0,gxB=0,gxA=0,centerY=(j+.5)*ratioH;for(var yy=floor(j*ratioH);yy<(j+1)*ratioH;yy++){var dy=abs(centerY-(yy+.5))/ratioHHalf,centerX=(i+.5)*ratioW,w0=dy*dy;for(var xx=floor(i*ratioW);xx<(i+1)*ratioW;xx++){var dx=abs(centerX-(xx+.5))/ratioWHalf,w=sqrt(w0+dx*dx);if(w>1&&w<-1){continue}weight=2*w*w*w-3*w*w+1;if(weight>0){dx=4*(xx+yy*oW);gxA+=weight*data[dx+3];weightsAlpha+=weight;if(data[dx+3]<255){weight=weight*data[dx+3]/250}gxR+=weight*data[dx];gxG+=weight*data[dx+1];gxB+=weight*data[dx+2];weights+=weight}}}data2[x2]=gxR/weights;data2[x2+1]=gxG/weights;data2[x2+2]=gxB/weights;data2[x2+3]=gxA/weightsAlpha}}return img2},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}});fabric.Image.filters.Resize.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.ColorMatrix=createClass(filters.BaseFilter,{type:"ColorMatrix",initialize:function(options){options||(options={});this.matrix=options.matrix||[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0]},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,iLen=data.length,i,r,g,b,a,m=this.matrix;for(i=0;i<iLen;i+=4){r=data[i];g=data[i+1];b=data[i+2];a=data[i+3];data[i]=r*m[0]+g*m[1]+b*m[2]+a*m[3]+m[4];data[i+1]=r*m[5]+g*m[6]+b*m[7]+a*m[8]+m[9];data[i+2]=r*m[10]+g*m[11]+b*m[12]+a*m[13]+m[14];data[i+3]=r*m[15]+g*m[16]+b*m[17]+a*m[18]+m[19]}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{type:this.type,matrix:this.matrix})}});fabric.Image.filters.ColorMatrix.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Contrast=createClass(filters.BaseFilter,{type:"Contrast",initialize:function(options){options=options||{};this.contrast=options.contrast||0},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,contrastF=259*(this.contrast+255)/(255*(259-this.contrast));for(var i=0,len=data.length;i<len;i+=4){data[i]=contrastF*(data[i]-128)+128;data[i+1]=contrastF*(data[i+1]-128)+128;data[i+2]=contrastF*(data[i+2]-128)+128}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{contrast:this.contrast})}});fabric.Image.filters.Contrast.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),extend=fabric.util.object.extend,filters=fabric.Image.filters,createClass=fabric.util.createClass;filters.Saturate=createClass(filters.BaseFilter,{type:"Saturate",initialize:function(options){options=options||{};this.saturate=options.saturate||0},applyTo:function(canvasEl){var context=canvasEl.getContext("2d"),imageData=context.getImageData(0,0,canvasEl.width,canvasEl.height),data=imageData.data,max,adjust=-this.saturate*.01;for(var i=0,len=data.length;i<len;i+=4){max=Math.max(data[i],data[i+1],data[i+2]);data[i]+=max!==data[i]?(max-data[i])*adjust:0;data[i+1]+=max!==data[i+1]?(max-data[i+1])*adjust:0;data[i+2]+=max!==data[i+2]?(max-data[i+2])*adjust:0}context.putImageData(imageData,0,0)},toObject:function(){return extend(this.callSuper("toObject"),{saturate:this.saturate})}});fabric.Image.filters.Saturate.fromObject=fabric.Image.filters.BaseFilter.fromObject})(typeof exports!=="undefined"?exports:this);(function(global){"use strict";var fabric=global.fabric||(global.fabric={}),toFixed=fabric.util.toFixed,NUM_FRACTION_DIGITS=fabric.Object.NUM_FRACTION_DIGITS,MIN_TEXT_WIDTH=2;if(fabric.Text){fabric.warn("fabric.Text is already defined");return}var stateProperties=fabric.Object.prototype.stateProperties.concat();stateProperties.push("fontFamily","fontWeight","fontSize","text","textDecoration","textAlign","fontStyle","lineHeight","textBackgroundColor","charSpacing");var cacheProperties=fabric.Object.prototype.cacheProperties.concat();cacheProperties.push("fontFamily","fontWeight","fontSize","text","textDecoration","textAlign","fontStyle","lineHeight","textBackgroundColor","charSpacing","styles");fabric.Text=fabric.util.createClass(fabric.Object,{_dimensionAffectingProps:["fontSize","fontWeight","fontFamily","fontStyle","lineHeight","text","charSpacing","textAlign"],_reNewline:/\r?\n/,_reSpacesAndTabs:/[ \t\r]+/g,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",textDecoration:"",textAlign:"left",fontStyle:"",lineHeight:1.16,textBackgroundColor:"",stateProperties:stateProperties,cacheProperties:cacheProperties,stroke:null,shadow:null,_fontSizeFraction:.25,_fontSizeMult:1.13,charSpacing:0,initialize:function(text,options){options=options||{};this.text=text;this.__skipDimension=true;this.callSuper("initialize",options);this.__skipDimension=false;this._initDimensions();this.setCoords();this.setupState({propertySet:"_dimensionAffectingProps"})},_initDimensions:function(ctx){if(this.__skipDimension){return}if(!ctx){ctx=fabric.util.createCanvasElement().getContext("2d");this._setTextStyles(ctx)}this._textLines=this._splitTextIntoLines();this._clearCache();this.width=this._getTextWidth(ctx)||this.cursorWidth||MIN_TEXT_WIDTH;this.height=this._getTextHeight(ctx)},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_getCacheCanvasDimensions:function(){var dim=this.callSuper("_getCacheCanvasDimensions");var fontSize=this.fontSize*2;dim.width+=fontSize*dim.zoomX;dim.height+=fontSize*dim.zoomY;return dim},_render:function(ctx){this._setTextStyles(ctx);if(this.group&&this.group.type==="path-group"){ctx.translate(this.left,this.top)}this._renderTextLinesBackground(ctx);this._renderText(ctx);this._renderTextDecoration(ctx)},_renderText:function(ctx){this._renderTextFill(ctx);this._renderTextStroke(ctx)},_setTextStyles:function(ctx){ctx.textBaseline="alphabetic";ctx.font=this._getFontDeclaration()},_getTextHeight:function(){return this._getHeightOfSingleLine()+(this._textLines.length-1)*this._getHeightOfLine()},_getTextWidth:function(ctx){var maxWidth=this._getLineWidth(ctx,0);for(var i=1,len=this._textLines.length;i<len;i++){var currentLineWidth=this._getLineWidth(ctx,i);if(currentLineWidth>maxWidth){maxWidth=currentLineWidth}}return maxWidth},_renderChars:function(method,ctx,chars,left,top){var shortM=method.slice(0,-4),_char,width;if(this[shortM].toLive){var offsetX=-this.width/2+this[shortM].offsetX||0,offsetY=-this.height/2+this[shortM].offsetY||0;ctx.save();ctx.translate(offsetX,offsetY);left-=offsetX;top-=offsetY}if(this.charSpacing!==0){var additionalSpace=this._getWidthOfCharSpacing();chars=chars.split("");for(var i=0,len=chars.length;i<len;i++){_char=chars[i];width=ctx.measureText(_char).width+additionalSpace;ctx[method](_char,left,top);left+=width>0?width:0}}else{ctx[method](chars,left,top)}this[shortM].toLive&&ctx.restore()},_renderTextLine:function(method,ctx,line,left,top,lineIndex){top-=this.fontSize*this._fontSizeFraction;var lineWidth=this._getLineWidth(ctx,lineIndex);if(this.textAlign!=="justify"||this.width<lineWidth){this._renderChars(method,ctx,line,left,top,lineIndex);return}var words=line.split(/\s+/),charOffset=0,wordsWidth=this._getWidthOfWords(ctx,words.join(" "),lineIndex,0),widthDiff=this.width-wordsWidth,numSpaces=words.length-1,spaceWidth=numSpaces>0?widthDiff/numSpaces:0,leftOffset=0,word;for(var i=0,len=words.length;i<len;i++){while(line[charOffset]===" "&&charOffset<line.length){charOffset++}word=words[i];this._renderChars(method,ctx,word,left+leftOffset,top,lineIndex,charOffset);leftOffset+=this._getWidthOfWords(ctx,word,lineIndex,charOffset)+spaceWidth;charOffset+=word.length}},_getWidthOfWords:function(ctx,word){var width=ctx.measureText(word).width,charCount,additionalSpace;if(this.charSpacing!==0){charCount=word.split("").length;additionalSpace=charCount*this._getWidthOfCharSpacing();width+=additionalSpace}return width>0?width:0},_getLeftOffset:function(){return-this.width/2},_getTopOffset:function(){return-this.height/2},isEmptyStyles:function(){return true},_renderTextCommon:function(ctx,method){var lineHeights=0,left=this._getLeftOffset(),top=this._getTopOffset();for(var i=0,len=this._textLines.length;i<len;i++){var heightOfLine=this._getHeightOfLine(ctx,i),maxHeight=heightOfLine/this.lineHeight,lineWidth=this._getLineWidth(ctx,i),leftOffset=this._getLineLeftOffset(lineWidth);this._renderTextLine(method,ctx,this._textLines[i],left+leftOffset,top+lineHeights+maxHeight,i);lineHeights+=heightOfLine}},_renderTextFill:function(ctx){if(!this.fill&&this.isEmptyStyles()){return}this._renderTextCommon(ctx,"fillText")},_renderTextStroke:function(ctx){if((!this.stroke||this.strokeWidth===0)&&this.isEmptyStyles()){return}if(this.shadow&&!this.shadow.affectStroke){this._removeShadow(ctx)}ctx.save();this._setLineDash(ctx,this.strokeDashArray);ctx.beginPath();this._renderTextCommon(ctx,"strokeText");ctx.closePath();ctx.restore()},_getHeightOfLine:function(){return this._getHeightOfSingleLine()*this.lineHeight},_getHeightOfSingleLine:function(){return this.fontSize*this._fontSizeMult},_renderTextLinesBackground:function(ctx){if(!this.textBackgroundColor){return}var lineTopOffset=0,heightOfLine,lineWidth,lineLeftOffset,originalFill=ctx.fillStyle;ctx.fillStyle=this.textBackgroundColor;for(var i=0,len=this._textLines.length;i<len;i++){heightOfLine=this._getHeightOfLine(ctx,i);lineWidth=this._getLineWidth(ctx,i);if(lineWidth>0){lineLeftOffset=this._getLineLeftOffset(lineWidth);ctx.fillRect(this._getLeftOffset()+lineLeftOffset,this._getTopOffset()+lineTopOffset,lineWidth,heightOfLine/this.lineHeight)}lineTopOffset+=heightOfLine}ctx.fillStyle=originalFill;this._removeShadow(ctx)},_getLineLeftOffset:function(lineWidth){if(this.textAlign==="center"){return(this.width-lineWidth)/2}if(this.textAlign==="right"){return this.width-lineWidth}return 0},_clearCache:function(){this.__lineWidths=[];this.__lineHeights=[]},_shouldClearDimensionCache:function(){var shouldClear=this._forceClearCache;shouldClear||(shouldClear=this.hasStateChanged("_dimensionAffectingProps"));if(shouldClear){this.saveState({propertySet:"_dimensionAffectingProps"});this.dirty=true}return shouldClear},_getLineWidth:function(ctx,lineIndex){if(this.__lineWidths[lineIndex]){return this.__lineWidths[lineIndex]===-1?this.width:this.__lineWidths[lineIndex]}var width,wordCount,line=this._textLines[lineIndex];if(line===""){width=0}else{width=this._measureLine(ctx,lineIndex)}this.__lineWidths[lineIndex]=width;if(width&&this.textAlign==="justify"){wordCount=line.split(/\s+/);if(wordCount.length>1){this.__lineWidths[lineIndex]=-1}}return width},_getWidthOfCharSpacing:function(){if(this.charSpacing!==0){return this.fontSize*this.charSpacing/1e3}return 0},_measureLine:function(ctx,lineIndex){var line=this._textLines[lineIndex],width=ctx.measureText(line).width,additionalSpace=0,charCount,finalWidth;if(this.charSpacing!==0){charCount=line.split("").length;additionalSpace=(charCount-1)*this._getWidthOfCharSpacing()}finalWidth=width+additionalSpace;return finalWidth>0?finalWidth:0},_renderTextDecoration:function(ctx){if(!this.textDecoration){return}var halfOfVerticalBox=this.height/2,_this=this,offsets=[];function renderLinesAtOffset(offsets){var i,lineHeight=0,len,j,oLen,lineWidth,lineLeftOffset,heightOfLine;for(i=0,len=_this._textLines.length;i<len;i++){lineWidth=_this._getLineWidth(ctx,i);lineLeftOffset=_this._getLineLeftOffset(lineWidth);heightOfLine=_this._getHeightOfLine(ctx,i);for(j=0,oLen=offsets.length;j<oLen;j++){ctx.fillRect(_this._getLeftOffset()+lineLeftOffset,lineHeight+(_this._fontSizeMult-1+offsets[j])*_this.fontSize-halfOfVerticalBox,lineWidth,_this.fontSize/15)}lineHeight+=heightOfLine}}if(this.textDecoration.indexOf("underline")>-1){offsets.push(.85)}if(this.textDecoration.indexOf("line-through")>-1){offsets.push(.43)}if(this.textDecoration.indexOf("overline")>-1){offsets.push(-.12)}if(offsets.length>0){renderLinesAtOffset(offsets)}},_getFontDeclaration:function(){return[fabric.isLikelyNode?this.fontWeight:this.fontStyle,fabric.isLikelyNode?this.fontStyle:this.fontWeight,this.fontSize+"px",fabric.isLikelyNode?'"'+this.fontFamily+'"':this.fontFamily].join(" ")},render:function(ctx,noTransform){if(!this.visible){return}if(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()){return}if(this._shouldClearDimensionCache()){this._setTextStyles(ctx);this._initDimensions(ctx)}this.callSuper("render",ctx,noTransform)},_splitTextIntoLines:function(){return this.text.split(this._reNewline)},toObject:function(propertiesToInclude){var additionalProperties=["text","fontSize","fontWeight","fontFamily","fontStyle","lineHeight","textDecoration","textAlign","textBackgroundColor","charSpacing"].concat(propertiesToInclude);return this.callSuper("toObject",additionalProperties)},toSVG:function(reviver){if(!this.ctx){this.ctx=fabric.util.createCanvasElement().getContext("2d")}var markup=this._createBaseSVGMarkup(),offsets=this._getSVGLeftTopOffsets(this.ctx),textAndBg=this._getSVGTextAndBg(offsets.textTop,offsets.textLeft);this._wrapSVGTextAndBg(markup,textAndBg);return reviver?reviver(markup.join("")):markup.join("")},_getSVGLeftTopOffsets:function(ctx){var lineTop=this._getHeightOfLine(ctx,0),textLeft=-this.width/2,textTop=0;return{textLeft:textLeft+(this.group&&this.group.type==="path-group"?this.left:0),textTop:textTop+(this.group&&this.group.type==="path-group"?-this.top:0),lineTop:lineTop}},_wrapSVGTextAndBg:function(markup,textAndBg){var noShadow=true,filter=this.getSvgFilter(),style=filter===""?"":' style="'+filter+'"';markup.push(" <g ",this.getSvgId(),'transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"',style,">\n",textAndBg.textBgRects.join("")," <text ",this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",this.textDecoration?'text-decoration="'+this.textDecoration+'" ':"",'style="',this.getSvgStyles(noShadow),'" >\n',textAndBg.textSpans.join("")," </text>\n"," </g>\n")},_getSVGTextAndBg:function(textTopOffset,textLeftOffset){var textSpans=[],textBgRects=[],height=0;this._setSVGBg(textBgRects);for(var i=0,len=this._textLines.length;i<len;i++){if(this.textBackgroundColor){this._setSVGTextLineBg(textBgRects,i,textLeftOffset,textTopOffset,height)}this._setSVGTextLineText(i,textSpans,height,textLeftOffset,textTopOffset,textBgRects);height+=this._getHeightOfLine(this.ctx,i)}return{textSpans:textSpans,textBgRects:textBgRects}},_setSVGTextLineText:function(i,textSpans,height,textLeftOffset,textTopOffset){var yPos=this.fontSize*(this._fontSizeMult-this._fontSizeFraction)-textTopOffset+height-this.height/2;if(this.textAlign==="justify"){this._setSVGTextLineJustifed(i,textSpans,yPos,textLeftOffset);return}textSpans.push(' <tspan x="',toFixed(textLeftOffset+this._getLineLeftOffset(this._getLineWidth(this.ctx,i)),NUM_FRACTION_DIGITS),'" ','y="',toFixed(yPos,NUM_FRACTION_DIGITS),'" ',this._getFillAttributes(this.fill),">",fabric.util.string.escapeXml(this._textLines[i]),"</tspan>\n")},_setSVGTextLineJustifed:function(i,textSpans,yPos,textLeftOffset){var ctx=fabric.util.createCanvasElement().getContext("2d");this._setTextStyles(ctx);var line=this._textLines[i],words=line.split(/\s+/),wordsWidth=this._getWidthOfWords(ctx,words.join("")),widthDiff=this.width-wordsWidth,numSpaces=words.length-1,spaceWidth=numSpaces>0?widthDiff/numSpaces:0,word,attributes=this._getFillAttributes(this.fill),len;textLeftOffset+=this._getLineLeftOffset(this._getLineWidth(ctx,i));for(i=0,len=words.length;i<len;i++){word=words[i];textSpans.push(' <tspan x="',toFixed(textLeftOffset,NUM_FRACTION_DIGITS),'" ','y="',toFixed(yPos,NUM_FRACTION_DIGITS),'" ',attributes,">",fabric.util.string.escapeXml(word),"</tspan>\n");textLeftOffset+=this._getWidthOfWords(ctx,word)+spaceWidth}},_setSVGTextLineBg:function(textBgRects,i,textLeftOffset,textTopOffset,height){textBgRects.push(" <rect ",this._getFillAttributes(this.textBackgroundColor),' x="',toFixed(textLeftOffset+this._getLineLeftOffset(this._getLineWidth(this.ctx,i)),NUM_FRACTION_DIGITS),'" y="',toFixed(height-this.height/2,NUM_FRACTION_DIGITS),'" width="',toFixed(this._getLineWidth(this.ctx,i),NUM_FRACTION_DIGITS),'" height="',toFixed(this._getHeightOfLine(this.ctx,i)/this.lineHeight,NUM_FRACTION_DIGITS),'"></rect>\n')},_setSVGBg:function(textBgRects){if(this.backgroundColor){textBgRects.push(" <rect ",this._getFillAttributes(this.backgroundColor),' x="',toFixed(-this.width/2,NUM_FRACTION_DIGITS),'" y="',toFixed(-this.height/2,NUM_FRACTION_DIGITS),'" width="',toFixed(this.width,NUM_FRACTION_DIGITS),'" height="',toFixed(this.height,NUM_FRACTION_DIGITS),'"></rect>\n')}},_getFillAttributes:function(value){var fillColor=value&&typeof value==="string"?new fabric.Color(value):"";if(!fillColor||!fillColor.getSource()||fillColor.getAlpha()===1){return'fill="'+value+'"'}return'opacity="'+fillColor.getAlpha()+'" fill="'+fillColor.setAlpha(1).toRgb()+'"'},_set:function(key,value){this.callSuper("_set",key,value);if(this._dimensionAffectingProps.indexOf(key)>-1){this._initDimensions();this.setCoords()}},complexity:function(){return 1}});fabric.Text.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" "));fabric.Text.DEFAULT_SVG_FONT_SIZE=16;fabric.Text.fromElement=function(element,options){if(!element){return null}var parsedAttributes=fabric.parseAttributes(element,fabric.Text.ATTRIBUTE_NAMES);options=fabric.util.object.extend(options?fabric.util.object.clone(options):{},parsedAttributes);options.top=options.top||0;options.left=options.left||0;if("dx"in parsedAttributes){options.left+=parsedAttributes.dx}if("dy"in parsedAttributes){options.top+=parsedAttributes.dy}if(!("fontSize"in options)){options.fontSize=fabric.Text.DEFAULT_SVG_FONT_SIZE}if(!options.originX){options.originX="left"}var textContent="";if(!("textContent"in element)){if("firstChild"in element&&element.firstChild!==null){if("data"in element.firstChild&&element.firstChild.data!==null){textContent=element.firstChild.data}}}else{textContent=element.textContent}textContent=textContent.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var text=new fabric.Text(textContent,options),textHeightScaleFactor=text.getHeight()/text.height,lineHeightDiff=(text.height+text.strokeWidth)*text.lineHeight-text.height,scaledDiff=lineHeightDiff*textHeightScaleFactor,textHeight=text.getHeight()+scaledDiff,offX=0;if(text.originX==="left"){offX=text.getWidth()/2}if(text.originX==="right"){offX=-text.getWidth()/2}text.set({left:text.getLeft()+offX,top:text.getTop()-textHeight/2+text.fontSize*(.18+text._fontSizeFraction)/text.lineHeight});return text};fabric.Text.fromObject=function(object,callback,forceAsync){return fabric.Object._fromObject("Text",object,callback,forceAsync,"text")};fabric.util.createAccessors(fabric.Text)})(typeof exports!=="undefined"?exports:this);(function(){var clone=fabric.util.object.clone;fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:false,editable:true,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,styles:null,caching:true,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:false,__widthOfSpace:[],initialize:function(text,options){this.styles=options?options.styles||{}:{};this.callSuper("initialize",text,options);this.initBehavior()},_clearCache:function(){this.callSuper("_clearCache");this.__widthOfSpace=[]},isEmptyStyles:function(){if(!this.styles){return true}var obj=this.styles;for(var p1 in obj){for(var p2 in obj[p1]){for(var p3 in obj[p1][p2]){return false}}}return true},setSelectionStart:function(index){index=Math.max(index,0);this._updateAndFire("selectionStart",index)},setSelectionEnd:function(index){index=Math.min(index,this.text.length);this._updateAndFire("selectionEnd",index)},_updateAndFire:function(property,index){if(this[property]!==index){this._fireSelectionChanged();this[property]=index}this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed");this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectionStyles:function(startIndex,endIndex){if(arguments.length===2){var styles=[];for(var i=startIndex;i<endIndex;i++){styles.push(this.getSelectionStyles(i))}return styles}var loc=this.get2DCursorLocation(startIndex),style=this._getStyleDeclaration(loc.lineIndex,loc.charIndex);return style||{}},setSelectionStyles:function(styles){if(this.selectionStart===this.selectionEnd){this._extendStyles(this.selectionStart,styles)}else{for(var i=this.selectionStart;i<this.selectionEnd;i++){this._extendStyles(i,styles)}}this._forceClearCache=true;return this},_extendStyles:function(index,styles){var loc=this.get2DCursorLocation(index);if(!this._getLineStyle(loc.lineIndex)){this._setLineStyle(loc.lineIndex,{})}if(!this._getStyleDeclaration(loc.lineIndex,loc.charIndex)){this._setStyleDeclaration(loc.lineIndex,loc.charIndex,{})}fabric.util.object.extend(this._getStyleDeclaration(loc.lineIndex,loc.charIndex),styles)},_initDimensions:function(ctx){if(!ctx){this.clearContextTop()}this.callSuper("_initDimensions",ctx)},render:function(ctx,noTransform){this.clearContextTop();this.callSuper("render",ctx,noTransform);this.cursorOffsetCache={};this.renderCursorOrSelection()},_render:function(ctx){this.callSuper("_render",ctx);this.ctx=ctx},clearContextTop:function(){if(!this.active||!this.isEditing){return}if(this.canvas&&this.canvas.contextTop){var ctx=this.canvas.contextTop;ctx.save();ctx.transform.apply(ctx,this.canvas.viewportTransform);this.transform(ctx);this.transformMatrix&&ctx.transform.apply(ctx,this.transformMatrix);this._clearTextArea(ctx);ctx.restore()}},renderCursorOrSelection:function(){if(!this.active||!this.isEditing){return}var chars=this.text.split(""),boundaries,ctx;if(this.canvas&&this.canvas.contextTop){ctx=this.canvas.contextTop;ctx.save();ctx.transform.apply(ctx,this.canvas.viewportTransform);this.transform(ctx);this.transformMatrix&&ctx.transform.apply(ctx,this.transformMatrix);this._clearTextArea(ctx)}else{ctx=this.ctx;ctx.save()}if(this.selectionStart===this.selectionEnd){boundaries=this._getCursorBoundaries(chars,"cursor");this.renderCursor(boundaries,ctx)}else{boundaries=this._getCursorBoundaries(chars,"selection");this.renderSelection(chars,boundaries,ctx)}ctx.restore()},_clearTextArea:function(ctx){var width=this.width+4,height=this.height+4;ctx.clearRect(-width/2,-height/2,width,height)},get2DCursorLocation:function(selectionStart){if(typeof selectionStart==="undefined"){selectionStart=this.selectionStart}var len=this._textLines.length;for(var i=0;i<len;i++){if(selectionStart<=this._textLines[i].length){return{lineIndex:i,charIndex:selectionStart}}selectionStart-=this._textLines[i].length+1}return{lineIndex:i-1,charIndex:this._textLines[i-1].length<selectionStart?this._textLines[i-1].length:selectionStart}},getCurrentCharStyle:function(lineIndex,charIndex){var style=this._getStyleDeclaration(lineIndex,charIndex===0?0:charIndex-1);return{fontSize:style&&style.fontSize||this.fontSize,fill:style&&style.fill||this.fill,textBackgroundColor:style&&style.textBackgroundColor||this.textBackgroundColor,textDecoration:style&&style.textDecoration||this.textDecoration,fontFamily:style&&style.fontFamily||this.fontFamily,fontWeight:style&&style.fontWeight||this.fontWeight,fontStyle:style&&style.fontStyle||this.fontStyle,stroke:style&&style.stroke||this.stroke,strokeWidth:style&&style.strokeWidth||this.strokeWidth}},getCurrentCharFontSize:function(lineIndex,charIndex){var style=this._getStyleDeclaration(lineIndex,charIndex===0?0:charIndex-1);return style&&style.fontSize?style.fontSize:this.fontSize},getCurrentCharColor:function(lineIndex,charIndex){var style=this._getStyleDeclaration(lineIndex,charIndex===0?0:charIndex-1);return style&&style.fill?style.fill:this.cursorColor},_getCursorBoundaries:function(chars,typeOfBoundaries){var left=Math.round(this._getLeftOffset()),top=this._getTopOffset(),offsets=this._getCursorBoundariesOffsets(chars,typeOfBoundaries);return{left:left,top:top,leftOffset:offsets.left+offsets.lineLeft,topOffset:offsets.top}},_getCursorBoundariesOffsets:function(chars,typeOfBoundaries){if(this.cursorOffsetCache&&"top"in this.cursorOffsetCache){return this.cursorOffsetCache}var lineLeftOffset=0,lineIndex=0,charIndex=0,topOffset=0,leftOffset=0,boundaries;for(var i=0;i<this.selectionStart;i++){if(chars[i]==="\n"){leftOffset=0;topOffset+=this._getHeightOfLine(this.ctx,lineIndex);lineIndex++;charIndex=0}else{leftOffset+=this._getWidthOfChar(this.ctx,chars[i],lineIndex,charIndex);charIndex++}lineLeftOffset=this._getLineLeftOffset(this._getLineWidth(this.ctx,lineIndex))}if(typeOfBoundaries==="cursor"){topOffset+=(1-this._fontSizeFraction)*this._getHeightOfLine(this.ctx,lineIndex)/this.lineHeight-this.getCurrentCharFontSize(lineIndex,charIndex)*(1-this._fontSizeFraction)}if(this.charSpacing!==0&&charIndex===this._textLines[lineIndex].length){leftOffset-=this._getWidthOfCharSpacing()}boundaries={top:topOffset,left:leftOffset>0?leftOffset:0,lineLeft:lineLeftOffset};this.cursorOffsetCache=boundaries;return this.cursorOffsetCache},renderCursor:function(boundaries,ctx){var cursorLocation=this.get2DCursorLocation(),lineIndex=cursorLocation.lineIndex,charIndex=cursorLocation.charIndex,charHeight=this.getCurrentCharFontSize(lineIndex,charIndex),leftOffset=boundaries.leftOffset,multiplier=this.scaleX*this.canvas.getZoom(),cursorWidth=this.cursorWidth/multiplier;ctx.fillStyle=this.getCurrentCharColor(lineIndex,charIndex);ctx.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity;ctx.fillRect(boundaries.left+leftOffset-cursorWidth/2,boundaries.top+boundaries.topOffset,cursorWidth,charHeight)},renderSelection:function(chars,boundaries,ctx){ctx.fillStyle=this.selectionColor;var start=this.get2DCursorLocation(this.selectionStart),end=this.get2DCursorLocation(this.selectionEnd),startLine=start.lineIndex,endLine=end.lineIndex;for(var i=startLine;i<=endLine;i++){var lineOffset=this._getLineLeftOffset(this._getLineWidth(ctx,i))||0,lineHeight=this._getHeightOfLine(this.ctx,i),realLineHeight=0,boxWidth=0,line=this._textLines[i];if(i===startLine){for(var j=0,len=line.length;j<len;j++){if(j>=start.charIndex&&(i!==endLine||j<end.charIndex)){boxWidth+=this._getWidthOfChar(ctx,line[j],i,j)}if(j<start.charIndex){lineOffset+=this._getWidthOfChar(ctx,line[j],i,j)}}if(j===line.length){boxWidth-=this._getWidthOfCharSpacing()}}else if(i>startLine&&i<endLine){boxWidth+=this._getLineWidth(ctx,i)||5}else if(i===endLine){for(var j2=0,j2len=end.charIndex;j2<j2len;j2++){boxWidth+=this._getWidthOfChar(ctx,line[j2],i,j2)}if(end.charIndex===line.length){boxWidth-=this._getWidthOfCharSpacing()}}realLineHeight=lineHeight;if(this.lineHeight<1||i===endLine&&this.lineHeight>1){lineHeight/=this.lineHeight}ctx.fillRect(boundaries.left+lineOffset,boundaries.top+boundaries.topOffset,boxWidth>0?boxWidth:0,lineHeight);boundaries.topOffset+=realLineHeight}},_renderChars:function(method,ctx,line,left,top,lineIndex,charOffset){if(this.isEmptyStyles()){return this._renderCharsFast(method,ctx,line,left,top)}charOffset=charOffset||0;var lineHeight=this._getHeightOfLine(ctx,lineIndex),prevStyle,thisStyle,charsToRender="";ctx.save();top-=lineHeight/this.lineHeight*this._fontSizeFraction;for(var i=charOffset,len=line.length+charOffset;i<=len;i++){prevStyle=prevStyle||this.getCurrentCharStyle(lineIndex,i);thisStyle=this.getCurrentCharStyle(lineIndex,i+1);if(this._hasStyleChanged(prevStyle,thisStyle)||i===len){this._renderChar(method,ctx,lineIndex,i-1,charsToRender,left,top,lineHeight);charsToRender="";prevStyle=thisStyle}charsToRender+=line[i-charOffset]}ctx.restore()},_renderCharsFast:function(method,ctx,line,left,top){if(method==="fillText"&&this.fill){this.callSuper("_renderChars",method,ctx,line,left,top)}if(method==="strokeText"&&(this.stroke&&this.strokeWidth>0||this.skipFillStrokeCheck)){this.callSuper("_renderChars",method,ctx,line,left,top)}},_renderChar:function(method,ctx,lineIndex,i,_char,left,top,lineHeight){var charWidth,charHeight,shouldFill,shouldStroke,decl=this._getStyleDeclaration(lineIndex,i),offset,textDecoration,chars,additionalSpace,_charWidth; | |
| if(decl){charHeight=this._getHeightOfChar(ctx,_char,lineIndex,i);shouldStroke=decl.stroke;shouldFill=decl.fill;textDecoration=decl.textDecoration}else{charHeight=this.fontSize}shouldStroke=(shouldStroke||this.stroke)&&method==="strokeText";shouldFill=(shouldFill||this.fill)&&method==="fillText";decl&&ctx.save();charWidth=this._applyCharStylesGetWidth(ctx,_char,lineIndex,i,decl||null);textDecoration=textDecoration||this.textDecoration;if(decl&&decl.textBackgroundColor){this._removeShadow(ctx)}if(this.charSpacing!==0){additionalSpace=this._getWidthOfCharSpacing();chars=_char.split("");charWidth=0;for(var j=0,len=chars.length,jChar;j<len;j++){jChar=chars[j];shouldFill&&ctx.fillText(jChar,left+charWidth,top);shouldStroke&&ctx.strokeText(jChar,left+charWidth,top);_charWidth=ctx.measureText(jChar).width+additionalSpace;charWidth+=_charWidth>0?_charWidth:0}}else{shouldFill&&ctx.fillText(_char,left,top);shouldStroke&&ctx.strokeText(_char,left,top)}if(textDecoration||textDecoration!==""){offset=this._fontSizeFraction*lineHeight/this.lineHeight;this._renderCharDecoration(ctx,textDecoration,left,top,offset,charWidth,charHeight)}decl&&ctx.restore();ctx.translate(charWidth,0)},_hasStyleChanged:function(prevStyle,thisStyle){return prevStyle.fill!==thisStyle.fill||prevStyle.fontSize!==thisStyle.fontSize||prevStyle.textBackgroundColor!==thisStyle.textBackgroundColor||prevStyle.textDecoration!==thisStyle.textDecoration||prevStyle.fontFamily!==thisStyle.fontFamily||prevStyle.fontWeight!==thisStyle.fontWeight||prevStyle.fontStyle!==thisStyle.fontStyle||prevStyle.stroke!==thisStyle.stroke||prevStyle.strokeWidth!==thisStyle.strokeWidth},_renderCharDecoration:function(ctx,textDecoration,left,top,offset,charWidth,charHeight){if(!textDecoration){return}var decorationWeight=charHeight/15,positions={underline:top+charHeight/10,"line-through":top-charHeight*(this._fontSizeFraction+this._fontSizeMult-1)+decorationWeight,overline:top-(this._fontSizeMult-this._fontSizeFraction)*charHeight},decorations=["underline","line-through","overline"],i,decoration;for(i=0;i<decorations.length;i++){decoration=decorations[i];if(textDecoration.indexOf(decoration)>-1){ctx.fillRect(left,positions[decoration],charWidth,decorationWeight)}}},_renderTextLine:function(method,ctx,line,left,top,lineIndex){if(!this.isEmptyStyles()){top+=this.fontSize*(this._fontSizeFraction+.03)}this.callSuper("_renderTextLine",method,ctx,line,left,top,lineIndex)},_renderTextDecoration:function(ctx){if(this.isEmptyStyles()){return this.callSuper("_renderTextDecoration",ctx)}},_renderTextLinesBackground:function(ctx){this.callSuper("_renderTextLinesBackground",ctx);var lineTopOffset=0,heightOfLine,lineWidth,lineLeftOffset,leftOffset=this._getLeftOffset(),topOffset=this._getTopOffset(),colorCache="",line,_char,style,leftCache,topCache,widthCache,heightCache;ctx.save();for(var i=0,len=this._textLines.length;i<len;i++){heightOfLine=this._getHeightOfLine(ctx,i);line=this._textLines[i];if(line===""||!this.styles||!this._getLineStyle(i)){lineTopOffset+=heightOfLine;continue}lineWidth=this._getLineWidth(ctx,i);lineLeftOffset=this._getLineLeftOffset(lineWidth);leftCache=topCache=widthCache=heightCache=0;for(var j=0,jlen=line.length;j<jlen;j++){style=this._getStyleDeclaration(i,j)||{};if(colorCache!==style.textBackgroundColor){if(heightCache&&widthCache){ctx.fillStyle=colorCache;ctx.fillRect(leftCache,topCache,widthCache,heightCache)}leftCache=topCache=widthCache=heightCache=0;colorCache=style.textBackgroundColor||""}if(!style.textBackgroundColor){colorCache="";continue}_char=line[j];if(colorCache===style.textBackgroundColor){colorCache=style.textBackgroundColor;if(!leftCache){leftCache=leftOffset+lineLeftOffset+this._getWidthOfCharsAt(ctx,i,j)}topCache=topOffset+lineTopOffset;widthCache+=this._getWidthOfChar(ctx,_char,i,j);heightCache=heightOfLine/this.lineHeight}}if(heightCache&&widthCache){ctx.fillStyle=colorCache;ctx.fillRect(leftCache,topCache,widthCache,heightCache);leftCache=topCache=widthCache=heightCache=0}lineTopOffset+=heightOfLine}ctx.restore()},_getCacheProp:function(_char,styleDeclaration){return _char+styleDeclaration.fontSize+styleDeclaration.fontWeight+styleDeclaration.fontStyle},_getFontCache:function(fontFamily){if(!fabric.charWidthsCache[fontFamily]){fabric.charWidthsCache[fontFamily]={}}return fabric.charWidthsCache[fontFamily]},_applyCharStylesGetWidth:function(ctx,_char,lineIndex,charIndex,decl){var charDecl=decl||this._getStyleDeclaration(lineIndex,charIndex),styleDeclaration=clone(charDecl),width,cacheProp,charWidthsCache;this._applyFontStyles(styleDeclaration);charWidthsCache=this._getFontCache(styleDeclaration.fontFamily);cacheProp=this._getCacheProp(_char,styleDeclaration);if(!charDecl&&charWidthsCache[cacheProp]&&this.caching){return charWidthsCache[cacheProp]}if(typeof styleDeclaration.shadow==="string"){styleDeclaration.shadow=new fabric.Shadow(styleDeclaration.shadow)}var fill=styleDeclaration.fill||this.fill;ctx.fillStyle=fill.toLive?fill.toLive(ctx,this):fill;if(styleDeclaration.stroke){ctx.strokeStyle=styleDeclaration.stroke&&styleDeclaration.stroke.toLive?styleDeclaration.stroke.toLive(ctx,this):styleDeclaration.stroke}ctx.lineWidth=styleDeclaration.strokeWidth||this.strokeWidth;ctx.font=this._getFontDeclaration.call(styleDeclaration);if(styleDeclaration.shadow){styleDeclaration.scaleX=this.scaleX;styleDeclaration.scaleY=this.scaleY;styleDeclaration.canvas=this.canvas;styleDeclaration.getObjectScaling=this.getObjectScaling;this._setShadow.call(styleDeclaration,ctx)}if(!this.caching||!charWidthsCache[cacheProp]){width=ctx.measureText(_char).width;this.caching&&(charWidthsCache[cacheProp]=width);return width}return charWidthsCache[cacheProp]},_applyFontStyles:function(styleDeclaration){if(!styleDeclaration.fontFamily){styleDeclaration.fontFamily=this.fontFamily}if(!styleDeclaration.fontSize){styleDeclaration.fontSize=this.fontSize}if(!styleDeclaration.fontWeight){styleDeclaration.fontWeight=this.fontWeight}if(!styleDeclaration.fontStyle){styleDeclaration.fontStyle=this.fontStyle}},_getStyleDeclaration:function(lineIndex,charIndex,returnCloneOrEmpty){if(returnCloneOrEmpty){return this.styles[lineIndex]&&this.styles[lineIndex][charIndex]?clone(this.styles[lineIndex][charIndex]):{}}return this.styles[lineIndex]&&this.styles[lineIndex][charIndex]?this.styles[lineIndex][charIndex]:null},_setStyleDeclaration:function(lineIndex,charIndex,style){this.styles[lineIndex][charIndex]=style},_deleteStyleDeclaration:function(lineIndex,charIndex){delete this.styles[lineIndex][charIndex]},_getLineStyle:function(lineIndex){return this.styles[lineIndex]},_setLineStyle:function(lineIndex,style){this.styles[lineIndex]=style},_deleteLineStyle:function(lineIndex){delete this.styles[lineIndex]},_getWidthOfChar:function(ctx,_char,lineIndex,charIndex){if(!this._isMeasuring&&this.textAlign==="justify"&&this._reSpacesAndTabs.test(_char)){return this._getWidthOfSpace(ctx,lineIndex)}ctx.save();var width=this._applyCharStylesGetWidth(ctx,_char,lineIndex,charIndex);if(this.charSpacing!==0){width+=this._getWidthOfCharSpacing()}ctx.restore();return width>0?width:0},_getHeightOfChar:function(ctx,lineIndex,charIndex){var style=this._getStyleDeclaration(lineIndex,charIndex);return style&&style.fontSize?style.fontSize:this.fontSize},_getWidthOfCharsAt:function(ctx,lineIndex,charIndex){var width=0,i,_char;for(i=0;i<charIndex;i++){_char=this._textLines[lineIndex][i];width+=this._getWidthOfChar(ctx,_char,lineIndex,i)}return width},_measureLine:function(ctx,lineIndex){this._isMeasuring=true;var width=this._getWidthOfCharsAt(ctx,lineIndex,this._textLines[lineIndex].length);if(this.charSpacing!==0){width-=this._getWidthOfCharSpacing()}this._isMeasuring=false;return width>0?width:0},_getWidthOfSpace:function(ctx,lineIndex){if(this.__widthOfSpace[lineIndex]){return this.__widthOfSpace[lineIndex]}var line=this._textLines[lineIndex],wordsWidth=this._getWidthOfWords(ctx,line,lineIndex,0),widthDiff=this.width-wordsWidth,numSpaces=line.length-line.replace(this._reSpacesAndTabs,"").length,width=Math.max(widthDiff/numSpaces,ctx.measureText(" ").width);this.__widthOfSpace[lineIndex]=width;return width},_getWidthOfWords:function(ctx,line,lineIndex,charOffset){var width=0;for(var charIndex=0;charIndex<line.length;charIndex++){var _char=line[charIndex];if(!_char.match(/\s/)){width+=this._getWidthOfChar(ctx,_char,lineIndex,charIndex+charOffset)}}return width},_getHeightOfLine:function(ctx,lineIndex){if(this.__lineHeights[lineIndex]){return this.__lineHeights[lineIndex]}var line=this._textLines[lineIndex],maxHeight=this._getHeightOfChar(ctx,lineIndex,0);for(var i=1,len=line.length;i<len;i++){var currentCharHeight=this._getHeightOfChar(ctx,lineIndex,i);if(currentCharHeight>maxHeight){maxHeight=currentCharHeight}}this.__lineHeights[lineIndex]=maxHeight*this.lineHeight*this._fontSizeMult;return this.__lineHeights[lineIndex]},_getTextHeight:function(ctx){var lineHeight,height=0;for(var i=0,len=this._textLines.length;i<len;i++){lineHeight=this._getHeightOfLine(ctx,i);height+=i===len-1?lineHeight/this.lineHeight:lineHeight}return height},toObject:function(propertiesToInclude){return fabric.util.object.extend(this.callSuper("toObject",propertiesToInclude),{styles:clone(this.styles,true)})}});fabric.IText.fromObject=function(object,callback,forceAsync){return fabric.Object._fromObject("IText",object,callback,forceAsync,"text")}})();(function(){var clone=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler();this.initRemovedHandler();this.initCursorSelectionHandlers();this.initDoubleClickSimulation();this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing();this.selected=false;this.callSuper("onDeselect")},initAddedHandler:function(){var _this=this;this.on("added",function(){var canvas=_this.canvas;if(canvas){if(!canvas._hasITextHandlers){canvas._hasITextHandlers=true;_this._initCanvasHandlers(canvas)}canvas._iTextInstances=canvas._iTextInstances||[];canvas._iTextInstances.push(_this)}})},initRemovedHandler:function(){var _this=this;this.on("removed",function(){var canvas=_this.canvas;if(canvas){canvas._iTextInstances=canvas._iTextInstances||[];fabric.util.removeFromArray(canvas._iTextInstances,_this);if(canvas._iTextInstances.length===0){canvas._hasITextHandlers=false;_this._removeCanvasHandlers(canvas)}}})},_initCanvasHandlers:function(canvas){canvas._mouseUpITextHandler=function(){if(canvas._iTextInstances){canvas._iTextInstances.forEach(function(obj){obj.__isMousedown=false})}}.bind(this);canvas.on("mouse:up",canvas._mouseUpITextHandler)},_removeCanvasHandlers:function(canvas){canvas.off("mouse:up",canvas._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(obj,targetOpacity,duration,completeMethod){var tickState;tickState={isAborted:false,abort:function(){this.isAborted=true}};obj.animate("_currentCursorOpacity",targetOpacity,{duration:duration,onComplete:function(){if(!tickState.isAborted){obj[completeMethod]()}},onChange:function(){if(obj.canvas&&obj.selectionStart===obj.selectionEnd){obj.renderCursorOrSelection()}},abort:function(){return tickState.isAborted}});return tickState},_onTickComplete:function(){var _this=this;if(this._cursorTimeout1){clearTimeout(this._cursorTimeout1)}this._cursorTimeout1=setTimeout(function(){_this._currentTickCompleteState=_this._animateCursor(_this,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(restart){var _this=this,delay=restart?0:this.cursorDelay;this.abortCursorAnimation();this._currentCursorOpacity=1;this._cursorTimeout2=setTimeout(function(){_this._tick()},delay)},abortCursorAnimation:function(){var shouldClear=this._currentTickState||this._currentTickCompleteState;this._currentTickState&&this._currentTickState.abort();this._currentTickCompleteState&&this._currentTickCompleteState.abort();clearTimeout(this._cursorTimeout1);clearTimeout(this._cursorTimeout2);this._currentCursorOpacity=0;if(shouldClear){this.canvas&&this.canvas.clearContext(this.canvas.contextTop||this.ctx)}},selectAll:function(){this.selectionStart=0;this.selectionEnd=this.text.length;this._fireSelectionChanged();this._updateTextarea()},getSelectedText:function(){return this.text.slice(this.selectionStart,this.selectionEnd)},findWordBoundaryLeft:function(startFrom){var offset=0,index=startFrom-1;if(this._reSpace.test(this.text.charAt(index))){while(this._reSpace.test(this.text.charAt(index))){offset++;index--}}while(/\S/.test(this.text.charAt(index))&&index>-1){offset++;index--}return startFrom-offset},findWordBoundaryRight:function(startFrom){var offset=0,index=startFrom;if(this._reSpace.test(this.text.charAt(index))){while(this._reSpace.test(this.text.charAt(index))){offset++;index++}}while(/\S/.test(this.text.charAt(index))&&index<this.text.length){offset++;index++}return startFrom+offset},findLineBoundaryLeft:function(startFrom){var offset=0,index=startFrom-1;while(!/\n/.test(this.text.charAt(index))&&index>-1){offset++;index--}return startFrom-offset},findLineBoundaryRight:function(startFrom){var offset=0,index=startFrom;while(!/\n/.test(this.text.charAt(index))&&index<this.text.length){offset++;index++}return startFrom+offset},getNumNewLinesInSelectedText:function(){var selectedText=this.getSelectedText(),numNewLines=0;for(var i=0,len=selectedText.length;i<len;i++){if(selectedText[i]==="\n"){numNewLines++}}return numNewLines},searchWordBoundary:function(selectionStart,direction){var index=this._reSpace.test(this.text.charAt(selectionStart))?selectionStart-1:selectionStart,_char=this.text.charAt(index),reNonWord=/[ \n\.,;!\?\-]/;while(!reNonWord.test(_char)&&index>0&&index<this.text.length){index+=direction;_char=this.text.charAt(index)}if(reNonWord.test(_char)&&_char!=="\n"){index+=direction===1?0:1}return index},selectWord:function(selectionStart){selectionStart=selectionStart||this.selectionStart;var newSelectionStart=this.searchWordBoundary(selectionStart,-1),newSelectionEnd=this.searchWordBoundary(selectionStart,1);this.selectionStart=newSelectionStart;this.selectionEnd=newSelectionEnd;this._fireSelectionChanged();this._updateTextarea();this.renderCursorOrSelection()},selectLine:function(selectionStart){selectionStart=selectionStart||this.selectionStart;var newSelectionStart=this.findLineBoundaryLeft(selectionStart),newSelectionEnd=this.findLineBoundaryRight(selectionStart);this.selectionStart=newSelectionStart;this.selectionEnd=newSelectionEnd;this._fireSelectionChanged();this._updateTextarea()},enterEditing:function(e){if(this.isEditing||!this.editable){return}if(this.canvas){this.exitEditingOnOthers(this.canvas)}this.isEditing=true;this.selected=true;this.initHiddenTextarea(e);this.hiddenTextarea.focus();this._updateTextarea();this._saveEditingProps();this._setEditingProps();this._textBeforeEdit=this.text;this._tick();this.fire("editing:entered");this._fireSelectionChanged();if(!this.canvas){return this}this.canvas.fire("text:editing:entered",{target:this});this.initMouseMoveHandler();this.canvas.renderAll();return this},exitEditingOnOthers:function(canvas){if(canvas._iTextInstances){canvas._iTextInstances.forEach(function(obj){obj.selected=false;if(obj.isEditing){obj.exitEditing()}})}},initMouseMoveHandler:function(){this.canvas.on("mouse:move",this.mouseMoveHandler)},mouseMoveHandler:function(options){if(!this.__isMousedown||!this.isEditing){return}var newSelectionStart=this.getSelectionStartFromPointer(options.e),currentStart=this.selectionStart,currentEnd=this.selectionEnd;if((newSelectionStart!==this.__selectionStartOnMouseDown||currentStart===currentEnd)&&(currentStart===newSelectionStart||currentEnd===newSelectionStart)){return}if(newSelectionStart>this.__selectionStartOnMouseDown){this.selectionStart=this.__selectionStartOnMouseDown;this.selectionEnd=newSelectionStart}else{this.selectionStart=newSelectionStart;this.selectionEnd=this.__selectionStartOnMouseDown}if(this.selectionStart!==currentStart||this.selectionEnd!==currentEnd){this.restartCursorIfNeeded();this._fireSelectionChanged();this._updateTextarea();this.renderCursorOrSelection()}},_setEditingProps:function(){this.hoverCursor="text";if(this.canvas){this.canvas.defaultCursor=this.canvas.moveCursor="text"}this.borderColor=this.editingBorderColor;this.hasControls=this.selectable=false;this.lockMovementX=this.lockMovementY=true},_updateTextarea:function(){if(!this.hiddenTextarea||this.inCompositionMode){return}this.cursorOffsetCache={};this.hiddenTextarea.value=this.text;this.hiddenTextarea.selectionStart=this.selectionStart;this.hiddenTextarea.selectionEnd=this.selectionEnd;if(this.selectionStart===this.selectionEnd){var style=this._calcTextareaPosition();this.hiddenTextarea.style.left=style.left;this.hiddenTextarea.style.top=style.top;this.hiddenTextarea.style.fontSize=style.fontSize}},_calcTextareaPosition:function(){if(!this.canvas){return{x:1,y:1}}var chars=this.text.split(""),boundaries=this._getCursorBoundaries(chars,"cursor"),cursorLocation=this.get2DCursorLocation(),lineIndex=cursorLocation.lineIndex,charIndex=cursorLocation.charIndex,charHeight=this.getCurrentCharFontSize(lineIndex,charIndex),leftOffset=boundaries.leftOffset,m=this.calcTransformMatrix(),p={x:boundaries.left+leftOffset,y:boundaries.top+boundaries.topOffset+charHeight},upperCanvas=this.canvas.upperCanvasEl,maxWidth=upperCanvas.width-charHeight,maxHeight=upperCanvas.height-charHeight;p=fabric.util.transformPoint(p,m);p=fabric.util.transformPoint(p,this.canvas.viewportTransform);if(p.x<0){p.x=0}if(p.x>maxWidth){p.x=maxWidth}if(p.y<0){p.y=0}if(p.y>maxHeight){p.y=maxHeight}p.x+=this.canvas._offset.left;p.y+=this.canvas._offset.top;return{left:p.x+"px",top:p.y+"px",fontSize:charHeight}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){if(!this._savedProps){return}this.hoverCursor=this._savedProps.overCursor;this.hasControls=this._savedProps.hasControls;this.borderColor=this._savedProps.borderColor;this.lockMovementX=this._savedProps.lockMovementX;this.lockMovementY=this._savedProps.lockMovementY;if(this.canvas){this.canvas.defaultCursor=this._savedProps.defaultCursor;this.canvas.moveCursor=this._savedProps.moveCursor}},exitEditing:function(){var isTextChanged=this._textBeforeEdit!==this.text;this.selected=false;this.isEditing=false;this.selectable=true;this.selectionEnd=this.selectionStart;if(this.hiddenTextarea){this.hiddenTextarea.blur&&this.hiddenTextarea.blur();this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea);this.hiddenTextarea=null}this.abortCursorAnimation();this._restoreEditingProps();this._currentCursorOpacity=0;this.fire("editing:exited");isTextChanged&&this.fire("modified");if(this.canvas){this.canvas.off("mouse:move",this.mouseMoveHandler);this.canvas.fire("text:editing:exited",{target:this});isTextChanged&&this.canvas.fire("object:modified",{target:this})}return this},_removeExtraneousStyles:function(){for(var prop in this.styles){if(!this._textLines[prop]){delete this.styles[prop]}}},_removeCharsFromTo:function(start,end){while(end!==start){this._removeSingleCharAndStyle(start+1);end--}this.selectionStart=start;this.selectionEnd=start},_removeSingleCharAndStyle:function(index){var isBeginningOfLine=this.text[index-1]==="\n",indexStyle=isBeginningOfLine?index:index-1;this.removeStyleObject(isBeginningOfLine,indexStyle);this.text=this.text.slice(0,index-1)+this.text.slice(index);this._textLines=this._splitTextIntoLines()},insertChars:function(_chars,useCopiedStyle){var style;if(this.selectionEnd-this.selectionStart>1){this._removeCharsFromTo(this.selectionStart,this.selectionEnd)}if(!useCopiedStyle&&this.isEmptyStyles()){this.insertChar(_chars,false);return}for(var i=0,len=_chars.length;i<len;i++){if(useCopiedStyle){style=fabric.util.object.clone(fabric.copiedTextStyle[i],true)}this.insertChar(_chars[i],i<len-1,style)}},insertChar:function(_char,skipUpdate,styleObject){var isEndOfLine=this.text[this.selectionStart]==="\n";this.text=this.text.slice(0,this.selectionStart)+_char+this.text.slice(this.selectionEnd);this._textLines=this._splitTextIntoLines();this.insertStyleObjects(_char,isEndOfLine,styleObject);this.selectionStart+=_char.length;this.selectionEnd=this.selectionStart;if(skipUpdate){return}this._updateTextarea();this.setCoords();this._fireSelectionChanged();this.fire("changed");this.restartCursorIfNeeded();if(this.canvas){this.canvas.fire("text:changed",{target:this});this.canvas.renderAll()}},restartCursorIfNeeded:function(){if(!this._currentTickState||this._currentTickState.isAborted||!this._currentTickCompleteState||this._currentTickCompleteState.isAborted){this.initDelayedCursor()}},insertNewlineStyleObject:function(lineIndex,charIndex,isEndOfLine){this.shiftLineStyles(lineIndex,+1);var currentCharStyle={},newLineStyles={};if(this.styles[lineIndex]&&this.styles[lineIndex][charIndex-1]){currentCharStyle=this.styles[lineIndex][charIndex-1]}if(isEndOfLine&¤tCharStyle){newLineStyles[0]=clone(currentCharStyle);this.styles[lineIndex+1]=newLineStyles}else{var somethingAdded=false;for(var index in this.styles[lineIndex]){var numIndex=parseInt(index,10);if(numIndex>=charIndex){somethingAdded=true;newLineStyles[numIndex-charIndex]=this.styles[lineIndex][index];delete this.styles[lineIndex][index]}}somethingAdded&&(this.styles[lineIndex+1]=newLineStyles)}this._forceClearCache=true},insertCharStyleObject:function(lineIndex,charIndex,style){var currentLineStyles=this.styles[lineIndex],currentLineStylesCloned=clone(currentLineStyles);if(charIndex===0&&!style){charIndex=1}for(var index in currentLineStylesCloned){var numericIndex=parseInt(index,10);if(numericIndex>=charIndex){currentLineStyles[numericIndex+1]=currentLineStylesCloned[numericIndex];if(!currentLineStylesCloned[numericIndex-1]){delete currentLineStyles[numericIndex]}}}var newStyle=style||clone(currentLineStyles[charIndex-1]);newStyle&&(this.styles[lineIndex][charIndex]=newStyle);this._forceClearCache=true},insertStyleObjects:function(_chars,isEndOfLine,styleObject){var cursorLocation=this.get2DCursorLocation(),lineIndex=cursorLocation.lineIndex,charIndex=cursorLocation.charIndex;if(!this._getLineStyle(lineIndex)){this._setLineStyle(lineIndex,{})}if(_chars==="\n"){this.insertNewlineStyleObject(lineIndex,charIndex,isEndOfLine)}else{this.insertCharStyleObject(lineIndex,charIndex,styleObject)}},shiftLineStyles:function(lineIndex,offset){var clonedStyles=clone(this.styles);for(var line in clonedStyles){var numericLine=parseInt(line,10);if(numericLine<=lineIndex){delete clonedStyles[numericLine]}}for(var line in this.styles){var numericLine=parseInt(line,10);if(numericLine>lineIndex){this.styles[numericLine+offset]=clonedStyles[numericLine];if(!clonedStyles[numericLine-offset]){delete this.styles[numericLine]}}}},removeStyleObject:function(isBeginningOfLine,index){var cursorLocation=this.get2DCursorLocation(index),lineIndex=cursorLocation.lineIndex,charIndex=cursorLocation.charIndex;this._removeStyleObject(isBeginningOfLine,cursorLocation,lineIndex,charIndex)},_getTextOnPreviousLine:function(lIndex){return this._textLines[lIndex-1]},_removeStyleObject:function(isBeginningOfLine,cursorLocation,lineIndex,charIndex){if(isBeginningOfLine){var textOnPreviousLine=this._getTextOnPreviousLine(cursorLocation.lineIndex),newCharIndexOnPrevLine=textOnPreviousLine?textOnPreviousLine.length:0;if(!this.styles[lineIndex-1]){this.styles[lineIndex-1]={}}for(charIndex in this.styles[lineIndex]){this.styles[lineIndex-1][parseInt(charIndex,10)+newCharIndexOnPrevLine]=this.styles[lineIndex][charIndex]}this.shiftLineStyles(cursorLocation.lineIndex,-1)}else{var currentLineStyles=this.styles[lineIndex];if(currentLineStyles){delete currentLineStyles[charIndex]}var currentLineStylesCloned=clone(currentLineStyles);for(var i in currentLineStylesCloned){var numericIndex=parseInt(i,10);if(numericIndex>=charIndex&&numericIndex!==0){currentLineStyles[numericIndex-1]=currentLineStylesCloned[numericIndex];delete currentLineStyles[numericIndex]}}}},insertNewline:function(){this.insertChars("\n")},setSelectionStartEndWithShift:function(start,end,newSelection){if(newSelection<=start){if(end===start){this._selectionDirection="left"}else if(this._selectionDirection==="right"){this._selectionDirection="left";this.selectionEnd=start}this.selectionStart=newSelection}else if(newSelection>start&&newSelection<end){if(this._selectionDirection==="right"){this.selectionEnd=newSelection}else{this.selectionStart=newSelection}}else{if(end===start){this._selectionDirection="right"}else if(this._selectionDirection==="left"){this._selectionDirection="right";this.selectionStart=end}this.selectionEnd=newSelection}},setSelectionInBoundaries:function(){var length=this.text.length;if(this.selectionStart>length){this.selectionStart=length}else if(this.selectionStart<0){this.selectionStart=0}if(this.selectionEnd>length){this.selectionEnd=length}else if(this.selectionEnd<0){this.selectionEnd=0}}})})();fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date;this.__lastLastClickTime=+new Date;this.__lastPointer={};this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(options){this.__newClickTime=+new Date;var newPointer=this.canvas.getPointer(options.e);if(this.isTripleClick(newPointer)){this.fire("tripleclick",options);this._stopEvent(options.e)}else if(this.isDoubleClick(newPointer)){this.fire("dblclick",options);this._stopEvent(options.e)}this.__lastLastClickTime=this.__lastClickTime;this.__lastClickTime=this.__newClickTime;this.__lastPointer=newPointer;this.__lastIsEditing=this.isEditing;this.__lastSelected=this.selected},isDoubleClick:function(newPointer){return this.__newClickTime-this.__lastClickTime<500&&this.__lastPointer.x===newPointer.x&&this.__lastPointer.y===newPointer.y&&this.__lastIsEditing},isTripleClick:function(newPointer){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===newPointer.x&&this.__lastPointer.y===newPointer.y},_stopEvent:function(e){e.preventDefault&&e.preventDefault();e.stopPropagation&&e.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler();this.initMouseupHandler();this.initClicks()},initClicks:function(){this.on("dblclick",function(options){this.selectWord(this.getSelectionStartFromPointer(options.e))});this.on("tripleclick",function(options){this.selectLine(this.getSelectionStartFromPointer(options.e))})},initMousedownHandler:function(){this.on("mousedown",function(options){if(!this.editable){return}var pointer=this.canvas.getPointer(options.e);this.__mousedownX=pointer.x;this.__mousedownY=pointer.y;this.__isMousedown=true;if(this.selected){this.setCursorByClick(options.e)}if(this.isEditing){this.__selectionStartOnMouseDown=this.selectionStart;if(this.selectionStart===this.selectionEnd){this.abortCursorAnimation()}this.renderCursorOrSelection()}})},_isObjectMoved:function(e){var pointer=this.canvas.getPointer(e);return this.__mousedownX!==pointer.x||this.__mousedownY!==pointer.y},initMouseupHandler:function(){this.on("mouseup",function(options){this.__isMousedown=false;if(!this.editable||this._isObjectMoved(options.e)){return}if(this.__lastSelected&&!this.__corner){this.enterEditing(options.e);if(this.selectionStart===this.selectionEnd){this.initDelayedCursor(true)}else{this.renderCursorOrSelection()}}this.selected=true})},setCursorByClick:function(e){var newSelection=this.getSelectionStartFromPointer(e),start=this.selectionStart,end=this.selectionEnd;if(e.shiftKey){this.setSelectionStartEndWithShift(start,end,newSelection)}else{this.selectionStart=newSelection;this.selectionEnd=newSelection}if(this.isEditing){this._fireSelectionChanged();this._updateTextarea()}},getSelectionStartFromPointer:function(e){var mouseOffset=this.getLocalPointer(e),prevWidth=0,width=0,height=0,charIndex=0,newSelectionStart,line;for(var i=0,len=this._textLines.length;i<len;i++){line=this._textLines[i];height+=this._getHeightOfLine(this.ctx,i)*this.scaleY;var widthOfLine=this._getLineWidth(this.ctx,i),lineLeftOffset=this._getLineLeftOffset(widthOfLine);width=lineLeftOffset*this.scaleX;for(var j=0,jlen=line.length;j<jlen;j++){prevWidth=width;width+=this._getWidthOfChar(this.ctx,line[j],i,this.flipX?jlen-j:j)*this.scaleX;if(height<=mouseOffset.y||width<=mouseOffset.x){charIndex++;continue}return this._getNewSelectionStartFromOffset(mouseOffset,prevWidth,width,charIndex+i,jlen)}if(mouseOffset.y<height){return this._getNewSelectionStartFromOffset(mouseOffset,prevWidth,width,charIndex+i-1,jlen)}}if(typeof newSelectionStart==="undefined"){return this.text.length}},_getNewSelectionStartFromOffset:function(mouseOffset,prevWidth,width,index,jlen){var distanceBtwLastCharAndCursor=mouseOffset.x-prevWidth,distanceBtwNextCharAndCursor=width-mouseOffset.x,offset=distanceBtwNextCharAndCursor>distanceBtwLastCharAndCursor?0:1,newSelectionStart=index+offset;if(this.flipX){newSelectionStart=jlen-newSelectionStart}if(newSelectionStart>this.text.length){newSelectionStart=this.text.length}return newSelectionStart}});fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea");this.hiddenTextarea.setAttribute("autocapitalize","off");var style=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="white-space: nowrap; position: absolute; top: "+style.top+"; left: "+style.left+"; opacity: 0; width: 1px; height: 1px; z-index: -999;";fabric.document.body.appendChild(this.hiddenTextarea);fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this));fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this));fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this));fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this));fabric.util.addListener(this.hiddenTextarea,"cut",this.cut.bind(this));fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this));fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this));fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this));fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this));if(!this._clickHandlerInitialized&&this.canvas){fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this));this._clickHandlerInitialized=true}},_keysMap:{8:"removeChars",9:"exitEditing",27:"exitEditing",13:"insertNewline",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown",46:"forwardDelete"},_ctrlKeysMapUp:{67:"copy",88:"cut"},_ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(e){if(!this.isEditing){return}if(e.keyCode in this._keysMap){this[this._keysMap[e.keyCode]](e)}else if(e.keyCode in this._ctrlKeysMapDown&&(e.ctrlKey||e.metaKey)){this[this._ctrlKeysMapDown[e.keyCode]](e)}else{return}e.stopImmediatePropagation();e.preventDefault();if(e.keyCode>=33&&e.keyCode<=40){this.clearContextTop();this.renderCursorOrSelection()}else{this.canvas&&this.canvas.renderAll()}},onKeyUp:function(e){if(!this.isEditing||this._copyDone){this._copyDone=false;return}if(e.keyCode in this._ctrlKeysMapUp&&(e.ctrlKey||e.metaKey)){this[this._ctrlKeysMapUp[e.keyCode]](e)}else{return}e.stopImmediatePropagation();e.preventDefault();this.canvas&&this.canvas.renderAll()},onInput:function(e){if(!this.isEditing||this.inCompositionMode){return; | |
| }var offset=this.selectionStart||0,offsetEnd=this.selectionEnd||0,textLength=this.text.length,newTextLength=this.hiddenTextarea.value.length,diff,charsToInsert,start;if(newTextLength>textLength){start=this._selectionDirection==="left"?offsetEnd:offset;diff=newTextLength-textLength;charsToInsert=this.hiddenTextarea.value.slice(start,start+diff)}else{diff=newTextLength-textLength+offsetEnd-offset;charsToInsert=this.hiddenTextarea.value.slice(offset,offset+diff)}this.insertChars(charsToInsert);e.stopPropagation()},onCompositionStart:function(){this.inCompositionMode=true;this.prevCompositionLength=0;this.compositionStart=this.selectionStart},onCompositionEnd:function(){this.inCompositionMode=false},onCompositionUpdate:function(e){var data=e.data;this.selectionStart=this.compositionStart;this.selectionEnd=this.selectionEnd===this.selectionStart?this.compositionStart+this.prevCompositionLength:this.selectionEnd;this.insertChars(data,false);this.prevCompositionLength=data.length},forwardDelete:function(e){if(this.selectionStart===this.selectionEnd){if(this.selectionStart===this.text.length){return}this.moveCursorRight(e)}this.removeChars(e)},copy:function(e){if(this.selectionStart===this.selectionEnd){return}var selectedText=this.getSelectedText(),clipboardData=this._getClipboardData(e);if(clipboardData){clipboardData.setData("text",selectedText)}fabric.copiedText=selectedText;fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd);e.stopImmediatePropagation();e.preventDefault();this._copyDone=true},paste:function(e){var copiedText=null,clipboardData=this._getClipboardData(e),useCopiedStyle=true;if(clipboardData){copiedText=clipboardData.getData("text").replace(/\r/g,"");if(!fabric.copiedTextStyle||fabric.copiedText!==copiedText){useCopiedStyle=false}}else{copiedText=fabric.copiedText}if(copiedText){this.insertChars(copiedText,useCopiedStyle)}e.stopImmediatePropagation();e.preventDefault()},cut:function(e){if(this.selectionStart===this.selectionEnd){return}this.copy(e);this.removeChars(e)},_getClipboardData:function(e){return e&&e.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(lineIndex,charIndex){var textBeforeCursor=this._textLines[lineIndex].slice(0,charIndex),widthOfLine=this._getLineWidth(this.ctx,lineIndex),widthBeforeCursor=this._getLineLeftOffset(widthOfLine),_char;for(var i=0,len=textBeforeCursor.length;i<len;i++){_char=textBeforeCursor[i];widthBeforeCursor+=this._getWidthOfChar(this.ctx,_char,lineIndex,i)}return widthBeforeCursor},getDownCursorOffset:function(e,isRight){var selectionProp=this._getSelectionForOffset(e,isRight),cursorLocation=this.get2DCursorLocation(selectionProp),lineIndex=cursorLocation.lineIndex;if(lineIndex===this._textLines.length-1||e.metaKey||e.keyCode===34){return this.text.length-selectionProp}var charIndex=cursorLocation.charIndex,widthBeforeCursor=this._getWidthBeforeCursor(lineIndex,charIndex),indexOnOtherLine=this._getIndexOnLine(lineIndex+1,widthBeforeCursor),textAfterCursor=this._textLines[lineIndex].slice(charIndex);return textAfterCursor.length+indexOnOtherLine+2},_getSelectionForOffset:function(e,isRight){if(e.shiftKey&&this.selectionStart!==this.selectionEnd&&isRight){return this.selectionEnd}else{return this.selectionStart}},getUpCursorOffset:function(e,isRight){var selectionProp=this._getSelectionForOffset(e,isRight),cursorLocation=this.get2DCursorLocation(selectionProp),lineIndex=cursorLocation.lineIndex;if(lineIndex===0||e.metaKey||e.keyCode===33){return-selectionProp}var charIndex=cursorLocation.charIndex,widthBeforeCursor=this._getWidthBeforeCursor(lineIndex,charIndex),indexOnOtherLine=this._getIndexOnLine(lineIndex-1,widthBeforeCursor),textBeforeCursor=this._textLines[lineIndex].slice(0,charIndex);return-this._textLines[lineIndex-1].length+indexOnOtherLine-textBeforeCursor.length},_getIndexOnLine:function(lineIndex,width){var widthOfLine=this._getLineWidth(this.ctx,lineIndex),textOnLine=this._textLines[lineIndex],lineLeftOffset=this._getLineLeftOffset(widthOfLine),widthOfCharsOnLine=lineLeftOffset,indexOnLine=0,foundMatch;for(var j=0,jlen=textOnLine.length;j<jlen;j++){var _char=textOnLine[j],widthOfChar=this._getWidthOfChar(this.ctx,_char,lineIndex,j);widthOfCharsOnLine+=widthOfChar;if(widthOfCharsOnLine>width){foundMatch=true;var leftEdge=widthOfCharsOnLine-widthOfChar,rightEdge=widthOfCharsOnLine,offsetFromLeftEdge=Math.abs(leftEdge-width),offsetFromRightEdge=Math.abs(rightEdge-width);indexOnLine=offsetFromRightEdge<offsetFromLeftEdge?j:j-1;break}}if(!foundMatch){indexOnLine=textOnLine.length-1}return indexOnLine},moveCursorDown:function(e){if(this.selectionStart>=this.text.length&&this.selectionEnd>=this.text.length){return}this._moveCursorUpOrDown("Down",e)},moveCursorUp:function(e){if(this.selectionStart===0&&this.selectionEnd===0){return}this._moveCursorUpOrDown("Up",e)},_moveCursorUpOrDown:function(direction,e){var action="get"+direction+"CursorOffset",offset=this[action](e,this._selectionDirection==="right");if(e.shiftKey){this.moveCursorWithShift(offset)}else{this.moveCursorWithoutShift(offset)}if(offset!==0){this.setSelectionInBoundaries();this.abortCursorAnimation();this._currentCursorOpacity=1;this.initDelayedCursor();this._fireSelectionChanged();this._updateTextarea()}},moveCursorWithShift:function(offset){var newSelection=this._selectionDirection==="left"?this.selectionStart+offset:this.selectionEnd+offset;this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,newSelection);return offset!==0},moveCursorWithoutShift:function(offset){if(offset<0){this.selectionStart+=offset;this.selectionEnd=this.selectionStart}else{this.selectionEnd+=offset;this.selectionStart=this.selectionEnd}return offset!==0},moveCursorLeft:function(e){if(this.selectionStart===0&&this.selectionEnd===0){return}this._moveCursorLeftOrRight("Left",e)},_move:function(e,prop,direction){var newValue;if(e.altKey){newValue=this["findWordBoundary"+direction](this[prop])}else if(e.metaKey||e.keyCode===35||e.keyCode===36){newValue=this["findLineBoundary"+direction](this[prop])}else{this[prop]+=direction==="Left"?-1:1;return true}if(typeof newValue!==undefined&&this[prop]!==newValue){this[prop]=newValue;return true}},_moveLeft:function(e,prop){return this._move(e,prop,"Left")},_moveRight:function(e,prop){return this._move(e,prop,"Right")},moveCursorLeftWithoutShift:function(e){var change=true;this._selectionDirection="left";if(this.selectionEnd===this.selectionStart&&this.selectionStart!==0){change=this._moveLeft(e,"selectionStart")}this.selectionEnd=this.selectionStart;return change},moveCursorLeftWithShift:function(e){if(this._selectionDirection==="right"&&this.selectionStart!==this.selectionEnd){return this._moveLeft(e,"selectionEnd")}else if(this.selectionStart!==0){this._selectionDirection="left";return this._moveLeft(e,"selectionStart")}},moveCursorRight:function(e){if(this.selectionStart>=this.text.length&&this.selectionEnd>=this.text.length){return}this._moveCursorLeftOrRight("Right",e)},_moveCursorLeftOrRight:function(direction,e){var actionName="moveCursor"+direction+"With";this._currentCursorOpacity=1;if(e.shiftKey){actionName+="Shift"}else{actionName+="outShift"}if(this[actionName](e)){this.abortCursorAnimation();this.initDelayedCursor();this._fireSelectionChanged();this._updateTextarea()}},moveCursorRightWithShift:function(e){if(this._selectionDirection==="left"&&this.selectionStart!==this.selectionEnd){return this._moveRight(e,"selectionStart")}else if(this.selectionEnd!==this.text.length){this._selectionDirection="right";return this._moveRight(e,"selectionEnd")}},moveCursorRightWithoutShift:function(e){var changed=true;this._selectionDirection="right";if(this.selectionStart===this.selectionEnd){changed=this._moveRight(e,"selectionStart");this.selectionEnd=this.selectionStart}else{this.selectionStart=this.selectionEnd}return changed},removeChars:function(e){if(this.selectionStart===this.selectionEnd){this._removeCharsNearCursor(e)}else{this._removeCharsFromTo(this.selectionStart,this.selectionEnd)}this.set("dirty",true);this.setSelectionEnd(this.selectionStart);this._removeExtraneousStyles();this.canvas&&this.canvas.renderAll();this.setCoords();this.fire("changed");this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(e){if(this.selectionStart===0){return}if(e.metaKey){var leftLineBoundary=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(leftLineBoundary,this.selectionStart);this.setSelectionStart(leftLineBoundary)}else if(e.altKey){var leftWordBoundary=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(leftWordBoundary,this.selectionStart);this.setSelectionStart(leftWordBoundary)}else{this._removeSingleCharAndStyle(this.selectionStart);this.setSelectionStart(this.selectionStart-1)}}});(function(){var toFixed=fabric.util.toFixed,NUM_FRACTION_DIGITS=fabric.Object.NUM_FRACTION_DIGITS;fabric.util.object.extend(fabric.IText.prototype,{_setSVGTextLineText:function(lineIndex,textSpans,height,textLeftOffset,textTopOffset,textBgRects){if(!this._getLineStyle(lineIndex)){fabric.Text.prototype._setSVGTextLineText.call(this,lineIndex,textSpans,height,textLeftOffset,textTopOffset)}else{this._setSVGTextLineChars(lineIndex,textSpans,height,textLeftOffset,textBgRects)}},_setSVGTextLineChars:function(lineIndex,textSpans,height,textLeftOffset,textBgRects){var chars=this._textLines[lineIndex],charOffset=0,lineLeftOffset=this._getLineLeftOffset(this._getLineWidth(this.ctx,lineIndex))-this.width/2,lineOffset=this._getSVGLineTopOffset(lineIndex),heightOfLine=this._getHeightOfLine(this.ctx,lineIndex);for(var i=0,len=chars.length;i<len;i++){var styleDecl=this._getStyleDeclaration(lineIndex,i)||{};textSpans.push(this._createTextCharSpan(chars[i],styleDecl,lineLeftOffset,lineOffset.lineTop+lineOffset.offset,charOffset));var charWidth=this._getWidthOfChar(this.ctx,chars[i],lineIndex,i);if(styleDecl.textBackgroundColor){textBgRects.push(this._createTextCharBg(styleDecl,lineLeftOffset,lineOffset.lineTop,heightOfLine,charWidth,charOffset))}charOffset+=charWidth}},_getSVGLineTopOffset:function(lineIndex){var lineTopOffset=0,lastHeight=0;for(var j=0;j<lineIndex;j++){lineTopOffset+=this._getHeightOfLine(this.ctx,j)}lastHeight=this._getHeightOfLine(this.ctx,j);return{lineTop:lineTopOffset,offset:(this._fontSizeMult-this._fontSizeFraction)*lastHeight/(this.lineHeight*this._fontSizeMult)}},_createTextCharBg:function(styleDecl,lineLeftOffset,lineTopOffset,heightOfLine,charWidth,charOffset){return[' <rect fill="',styleDecl.textBackgroundColor,'" x="',toFixed(lineLeftOffset+charOffset,NUM_FRACTION_DIGITS),'" y="',toFixed(lineTopOffset-this.height/2,NUM_FRACTION_DIGITS),'" width="',toFixed(charWidth,NUM_FRACTION_DIGITS),'" height="',toFixed(heightOfLine/this.lineHeight,NUM_FRACTION_DIGITS),'"></rect>\n'].join("")},_createTextCharSpan:function(_char,styleDecl,lineLeftOffset,lineTopOffset,charOffset){var fillStyles=this.getSvgStyles.call(fabric.util.object.extend({visible:true,fill:this.fill,stroke:this.stroke,type:"text",getSvgFilter:fabric.Object.prototype.getSvgFilter},styleDecl));return[' <tspan x="',toFixed(lineLeftOffset+charOffset,NUM_FRACTION_DIGITS),'" y="',toFixed(lineTopOffset-this.height/2,NUM_FRACTION_DIGITS),'" ',styleDecl.fontFamily?'font-family="'+styleDecl.fontFamily.replace(/"/g,"'")+'" ':"",styleDecl.fontSize?'font-size="'+styleDecl.fontSize+'" ':"",styleDecl.fontStyle?'font-style="'+styleDecl.fontStyle+'" ':"",styleDecl.fontWeight?'font-weight="'+styleDecl.fontWeight+'" ':"",styleDecl.textDecoration?'text-decoration="'+styleDecl.textDecoration+'" ':"",'style="',fillStyles,'">',fabric.util.string.escapeXml(_char),"</tspan>\n"].join("")}})})();(function(global){"use strict";var fabric=global.fabric||(global.fabric={});fabric.Textbox=fabric.util.createClass(fabric.IText,fabric.Observable,{type:"textbox",minWidth:20,dynamicMinWidth:2,__cachedLines:null,lockScalingY:true,lockScalingFlip:true,noScaleCache:false,initialize:function(text,options){this.callSuper("initialize",text,options);this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility());this.ctx=this.objectCaching?this._cacheContext:fabric.util.createCanvasElement().getContext("2d");this._dimensionAffectingProps.push("width")},_initDimensions:function(ctx){if(this.__skipDimension){return}if(!ctx){ctx=fabric.util.createCanvasElement().getContext("2d");this._setTextStyles(ctx);this.clearContextTop()}this.dynamicMinWidth=0;this._textLines=this._splitTextIntoLines(ctx);if(this.dynamicMinWidth>this.width){this._set("width",this.dynamicMinWidth)}this._clearCache();this.height=this._getTextHeight(ctx)},_generateStyleMap:function(){var realLineCount=0,realLineCharCount=0,charCount=0,map={};for(var i=0;i<this._textLines.length;i++){if(this.text[charCount]==="\n"&&i>0){realLineCharCount=0;charCount++;realLineCount++}else if(this.text[charCount]===" "&&i>0){realLineCharCount++;charCount++}map[i]={line:realLineCount,offset:realLineCharCount};charCount+=this._textLines[i].length;realLineCharCount+=this._textLines[i].length}return map},_getStyleDeclaration:function(lineIndex,charIndex,returnCloneOrEmpty){if(this._styleMap){var map=this._styleMap[lineIndex];if(!map){return returnCloneOrEmpty?{}:null}lineIndex=map.line;charIndex=map.offset+charIndex}return this.callSuper("_getStyleDeclaration",lineIndex,charIndex,returnCloneOrEmpty)},_setStyleDeclaration:function(lineIndex,charIndex,style){var map=this._styleMap[lineIndex];lineIndex=map.line;charIndex=map.offset+charIndex;this.styles[lineIndex][charIndex]=style},_deleteStyleDeclaration:function(lineIndex,charIndex){var map=this._styleMap[lineIndex];lineIndex=map.line;charIndex=map.offset+charIndex;delete this.styles[lineIndex][charIndex]},_getLineStyle:function(lineIndex){var map=this._styleMap[lineIndex];return this.styles[map.line]},_setLineStyle:function(lineIndex,style){var map=this._styleMap[lineIndex];this.styles[map.line]=style},_deleteLineStyle:function(lineIndex){var map=this._styleMap[lineIndex];delete this.styles[map.line]},_wrapText:function(ctx,text){var lines=text.split(this._reNewline),wrapped=[],i;for(i=0;i<lines.length;i++){wrapped=wrapped.concat(this._wrapLine(ctx,lines[i],i))}return wrapped},_measureText:function(ctx,text,lineIndex,charOffset){var width=0;charOffset=charOffset||0;for(var i=0,len=text.length;i<len;i++){width+=this._getWidthOfChar(ctx,text[i],lineIndex,i+charOffset)}return width},_wrapLine:function(ctx,text,lineIndex){var lineWidth=0,lines=[],line="",words=text.split(" "),word="",offset=0,infix=" ",wordWidth=0,infixWidth=0,largestWordWidth=0,lineJustStarted=true,additionalSpace=this._getWidthOfCharSpacing();for(var i=0;i<words.length;i++){word=words[i];wordWidth=this._measureText(ctx,word,lineIndex,offset);offset+=word.length;lineWidth+=infixWidth+wordWidth-additionalSpace;if(lineWidth>=this.width&&!lineJustStarted){lines.push(line);line="";lineWidth=wordWidth;lineJustStarted=true}else{lineWidth+=additionalSpace}if(!lineJustStarted){line+=infix}line+=word;infixWidth=this._measureText(ctx,infix,lineIndex,offset);offset++;lineJustStarted=false;if(wordWidth>largestWordWidth){largestWordWidth=wordWidth}}i&&lines.push(line);if(largestWordWidth>this.dynamicMinWidth){this.dynamicMinWidth=largestWordWidth-additionalSpace}return lines},_splitTextIntoLines:function(ctx){ctx=ctx||this.ctx;var originalAlign=this.textAlign;this._styleMap=null;ctx.save();this._setTextStyles(ctx);this.textAlign="left";var lines=this._wrapText(ctx,this.text);this.textAlign=originalAlign;ctx.restore();this._textLines=lines;this._styleMap=this._generateStyleMap();return lines},setOnGroup:function(key,value){if(key==="scaleX"){this.set("scaleX",Math.abs(1/value));this.set("width",this.get("width")*value/(typeof this.__oldScaleX==="undefined"?1:this.__oldScaleX));this.__oldScaleX=value}},get2DCursorLocation:function(selectionStart){if(typeof selectionStart==="undefined"){selectionStart=this.selectionStart}var numLines=this._textLines.length,removed=0;for(var i=0;i<numLines;i++){var line=this._textLines[i],lineLen=line.length;if(selectionStart<=removed+lineLen){return{lineIndex:i,charIndex:selectionStart-removed}}removed+=lineLen;if(this.text[removed]==="\n"||this.text[removed]===" "){removed++}}return{lineIndex:numLines-1,charIndex:this._textLines[numLines-1].length}},_getCursorBoundariesOffsets:function(chars,typeOfBoundaries){var topOffset=0,leftOffset=0,cursorLocation=this.get2DCursorLocation(),lineChars=this._textLines[cursorLocation.lineIndex].split(""),lineLeftOffset=this._getLineLeftOffset(this._getLineWidth(this.ctx,cursorLocation.lineIndex));for(var i=0;i<cursorLocation.charIndex;i++){leftOffset+=this._getWidthOfChar(this.ctx,lineChars[i],cursorLocation.lineIndex,i)}for(i=0;i<cursorLocation.lineIndex;i++){topOffset+=this._getHeightOfLine(this.ctx,i)}if(typeOfBoundaries==="cursor"){topOffset+=(1-this._fontSizeFraction)*this._getHeightOfLine(this.ctx,cursorLocation.lineIndex)/this.lineHeight-this.getCurrentCharFontSize(cursorLocation.lineIndex,cursorLocation.charIndex)*(1-this._fontSizeFraction)}return{top:topOffset,left:leftOffset,lineLeft:lineLeftOffset}},getMinWidth:function(){return Math.max(this.minWidth,this.dynamicMinWidth)},toObject:function(propertiesToInclude){return this.callSuper("toObject",["minWidth"].concat(propertiesToInclude))}});fabric.Textbox.fromObject=function(object,callback,forceAsync){return fabric.Object._fromObject("Textbox",object,callback,forceAsync,"text")};fabric.Textbox.getTextboxControlVisibility=function(){return{tl:false,tr:false,br:false,bl:false,ml:true,mt:false,mr:true,mb:false,mtr:true}}})(typeof exports!=="undefined"?exports:this);(function(){var setObjectScaleOverridden=fabric.Canvas.prototype._setObjectScale;fabric.Canvas.prototype._setObjectScale=function(localMouse,transform,lockScalingX,lockScalingY,by,lockScalingFlip,_dim){var t=transform.target;if(t instanceof fabric.Textbox){var w=t.width*(localMouse.x/transform.scaleX/(t.width+t.strokeWidth));if(w>=t.getMinWidth()){t.set("width",w);return true}}else{return setObjectScaleOverridden.call(fabric.Canvas.prototype,localMouse,transform,lockScalingX,lockScalingY,by,lockScalingFlip,_dim)}};fabric.Group.prototype._refreshControlsVisibility=function(){if(typeof fabric.Textbox==="undefined"){return}for(var i=this._objects.length;i--;){if(this._objects[i]instanceof fabric.Textbox){this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility());return}}};fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var prop in this._styleMap){if(!this._textLines[prop]){delete this.styles[this._styleMap[prop].line]}}},insertCharStyleObject:function(lineIndex,charIndex,style){var map=this._styleMap[lineIndex];lineIndex=map.line;charIndex=map.offset+charIndex;fabric.IText.prototype.insertCharStyleObject.apply(this,[lineIndex,charIndex,style])},insertNewlineStyleObject:function(lineIndex,charIndex,isEndOfLine){var map=this._styleMap[lineIndex];lineIndex=map.line;charIndex=map.offset+charIndex;fabric.IText.prototype.insertNewlineStyleObject.apply(this,[lineIndex,charIndex,isEndOfLine])},shiftLineStyles:function(lineIndex,offset){var map=this._styleMap[lineIndex];lineIndex=map.line;fabric.IText.prototype.shiftLineStyles.call(this,lineIndex,offset)},_getTextOnPreviousLine:function(lIndex){var textOnPreviousLine=this._textLines[lIndex-1];while(this._styleMap[lIndex-2]&&this._styleMap[lIndex-2].line===this._styleMap[lIndex-1].line){textOnPreviousLine=this._textLines[lIndex-2]+textOnPreviousLine;lIndex--}return textOnPreviousLine},removeStyleObject:function(isBeginningOfLine,index){var cursorLocation=this.get2DCursorLocation(index),map=this._styleMap[cursorLocation.lineIndex],lineIndex=map.line,charIndex=map.offset+cursorLocation.charIndex;this._removeStyleObject(isBeginningOfLine,cursorLocation,lineIndex,charIndex)}})})();(function(){var override=fabric.IText.prototype._getNewSelectionStartFromOffset;fabric.IText.prototype._getNewSelectionStartFromOffset=function(mouseOffset,prevWidth,width,index,jlen){index=override.call(this,mouseOffset,prevWidth,width,index,jlen);var tmp=0,removed=0;for(var i=0;i<this._textLines.length;i++){tmp+=this._textLines[i].length;if(tmp+removed>=index){break}if(this.text[tmp+removed]==="\n"||this.text[tmp+removed]===" "){removed++}}return index-i+removed}})();(function(){if(typeof document!=="undefined"&&typeof window!=="undefined"){return}var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require("canvas"),Image=require("canvas").Image;function request(url,encoding,callback){var oURL=URL.parse(url);if(!oURL.port){oURL.port=oURL.protocol.indexOf("https:")===0?443:80}var reqHandler=oURL.protocol.indexOf("https:")===0?HTTPS:HTTP,req=reqHandler.request({hostname:oURL.hostname,port:oURL.port,path:oURL.path,method:"GET"},function(response){var body="";if(encoding){response.setEncoding(encoding)}response.on("end",function(){callback(body)});response.on("data",function(chunk){if(response.statusCode===200){body+=chunk}})});req.on("error",function(err){if(err.errno===process.ECONNREFUSED){fabric.log("ECONNREFUSED: connection refused to "+oURL.hostname+":"+oURL.port)}else{fabric.log(err.message)}callback(null)});req.end()}function requestFs(path,callback){var fs=require("fs");fs.readFile(path,function(err,data){if(err){fabric.log(err);throw err}else{callback(data)}})}fabric.util.loadImage=function(url,callback,context){function createImageAndCallBack(data){if(data){img.src=new Buffer(data,"binary");img._src=url;callback&&callback.call(context,img)}else{img=null;callback&&callback.call(context,null,true)}}var img=new Image;if(url&&(url instanceof Buffer||url.indexOf("data")===0)){img.src=img._src=url;callback&&callback.call(context,img)}else if(url&&url.indexOf("http")!==0){requestFs(url,createImageAndCallBack)}else if(url){request(url,"binary",createImageAndCallBack)}else{callback&&callback.call(context,url)}};fabric.loadSVGFromURL=function(url,callback,reviver){url=url.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim();if(url.indexOf("http")!==0){requestFs(url,function(body){fabric.loadSVGFromString(body.toString(),callback,reviver)})}else{request(url,"",function(body){fabric.loadSVGFromString(body,callback,reviver)})}};fabric.loadSVGFromString=function(string,callback,reviver){var doc=(new DOMParser).parseFromString(string);fabric.parseSVGDocument(doc.documentElement,function(results,options){callback&&callback(results,options)},reviver)};fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body);callback&&callback()})};fabric.createCanvasForNode=function(width,height,options,nodeCanvasOptions){nodeCanvasOptions=nodeCanvasOptions||options;var canvasEl=fabric.document.createElement("canvas"),nodeCanvas=new Canvas(width||600,height||600,nodeCanvasOptions),nodeCacheCanvas=new Canvas(width||600,height||600,nodeCanvasOptions);canvasEl.style={};canvasEl.width=nodeCanvas.width;canvasEl.height=nodeCanvas.height;options=options||{};options.nodeCanvas=nodeCanvas;options.nodeCacheCanvas=nodeCacheCanvas;var FabricCanvas=fabric.Canvas||fabric.StaticCanvas,fabricCanvas=new FabricCanvas(canvasEl,options);fabricCanvas.nodeCanvas=nodeCanvas;fabricCanvas.nodeCacheCanvas=nodeCacheCanvas;fabricCanvas.contextContainer=nodeCanvas.getContext("2d");fabricCanvas.contextCache=nodeCacheCanvas.getContext("2d");fabricCanvas.Font=Canvas.Font;return fabricCanvas};var originaInitStatic=fabric.StaticCanvas.prototype._initStatic;fabric.StaticCanvas.prototype._initStatic=function(el,options){el=el||fabric.document.createElement("canvas");this.nodeCanvas=new Canvas(el.width,el.height);this.nodeCacheCanvas=new Canvas(el.width,el.height);originaInitStatic.call(this,el,options);this.contextContainer=this.nodeCanvas.getContext("2d");this.contextCache=this.nodeCacheCanvas.getContext("2d");this.Font=Canvas.Font};fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()};fabric.StaticCanvas.prototype.createJPEGStream=function(opts){return this.nodeCanvas.createJPEGStream(opts)};fabric.StaticCanvas.prototype._initRetinaScaling=function(){if(!this._isRetinaScaling()){return}this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio);this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio);this.nodeCanvas.width=this.width*fabric.devicePixelRatio;this.nodeCanvas.height=this.height*fabric.devicePixelRatio;this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio);return this};if(fabric.Canvas){fabric.Canvas.prototype._initRetinaScaling=fabric.StaticCanvas.prototype._initRetinaScaling}var origSetBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension;fabric.StaticCanvas.prototype._setBackstoreDimension=function(prop,value){origSetBackstoreDimension.call(this,prop,value);this.nodeCanvas[prop]=value;return this};if(fabric.Canvas){fabric.Canvas.prototype._setBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension}})()}).call(this,require("_process"),require("buffer").Buffer)},{_process:10,buffer:2,canvas:1,fs:1,http:27,https:7,jsdom:1,url:34,xmldom:1}]},{},[]);var PNG=require("pngjs").PNG,pixelmatch=require("pixelmatch"),fabric=require("fabric").fabric;var c1=new fabric.Canvas("c1"),c2=new fabric.Canvas("c2");var ctx1=c1.getContext(),ctx2=c2.getContext(),ctx3=document.getElementById("c3").getContext("2d");var pixelsElm=document.getElementById("pixels");c1.add(new fabric.IText("hi",{left:20,top:20}));c2.add(new fabric.IText("hoi",{left:20,top:20}));document.getElementById("compare").addEventListener("click",function(){var img1=ctx1.getImageData(0,0,100,100);var img2=ctx2.getImageData(0,0,100,100);var diff=ctx3.createImageData(100,100);var res=pixelmatch(img1.data,img2.data,diff.data,100,100);ctx3.putImageData(diff,0,0);pixelsElm.innerHTML=res})},0); |
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| { | |
| "name": "requirebin-sketch", | |
| "version": "1.0.0", | |
| "dependencies": { | |
| "pngjs": "3.0.1", | |
| "pixelmatch": "4.0.2", | |
| "fabric": "1.7.11" | |
| } | |
| } |
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| <!-- contents of this file will be placed inside the <body> --> | |
| <canvas id="c1" width="100" height="100" style="border: black 3px solid;"></canvas> | |
| <canvas id="c2" width="100" height="100" style="border: black 3px solid;"></canvas> | |
| <canvas id="c3" width="100" height="100" style="border: black 3px solid;"></canvas> | |
| <div> | |
| <button id="compare">Compare</button> | |
| <div id="pixels"></div> | |
| </div> |
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| <!-- contents of this file will be placed inside the <head> --> |
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