Last active
December 24, 2015 13:28
-
-
Save joyrexus/6804727 to your computer and use it in GitHub Desktop.
Cursor extension for svg.js
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
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <script src="https://s3-eu-west-1.amazonaws.com/svgjs/svg.js"></script> | |
| <script src="http://jashkenas.github.io/coffee-script/extras/coffee-script.js"></script> | |
| <script src="svg.cursor.js"></script> | |
| <style> | |
| rect { | |
| fill: none; | |
| stroke: #999; | |
| stroke-width: 2; | |
| } | |
| line { | |
| stroke-width: 2; | |
| opacity: 0.5; | |
| } | |
| </style> | |
| <body> | |
| <div id="canvas"></div> | |
| <script type="text/coffeescript"> | |
| w = 960 | |
| h = 500 | |
| draw = SVG('canvas') | |
| draw.rect(w, h) | |
| d = 400 # diameter | |
| r = d / 2 # radius | |
| c = | |
| x: w / 2 | |
| y: h / 2 | |
| style = | |
| fill: "aliceblue" | |
| stroke: "steelblue" | |
| 'stroke-width': 10 | |
| draw.circle(d+2) # diameter + stroke width of markers | |
| .center(c.x, c.y) | |
| .attr(style) | |
| draw.cursor(c.x, c.y) | |
| .lineTo(c.x, c.y+r) | |
| .lineTo(c.x+r, c.y, "orange") | |
| .markPoint() | |
| .moveTo(c.x, c.y-r) | |
| .markPoint() | |
| .lineTo(c.x-r, c.y, "orange") | |
| .lineTo(c.x, c.y) | |
| </script> |
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
| class Cursor | |
| markerStyle: | |
| fill: "#999" | |
| stroke: "aliceblue" | |
| 'stroke-width': 2 | |
| constructor: (@x=0, @y=0, @draw) -> | |
| lineTo: (x, y, color="steelblue") -> | |
| @draw.line(@x,@y, x,y).attr({stroke: color}) | |
| @x = x | |
| @y = y | |
| @ | |
| moveTo: (x, y) -> @lineTo(x, y, "none") | |
| markPoint: (size=10, style) -> | |
| style or= @markerStyle | |
| @draw.circle(size).attr(style).center(@x, @y) | |
| @ | |
| extension = | |
| cursor: (x, y) -> new Cursor x, y, @ | |
| SVG.extend(SVG.Doc, extension) |
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
| // Generated by CoffeeScript 1.6.3 | |
| (function() { | |
| var Cursor, extension; | |
| Cursor = (function() { | |
| Cursor.prototype.markerStyle = { | |
| fill: "#999", | |
| stroke: "aliceblue", | |
| 'stroke-width': 2 | |
| }; | |
| function Cursor(x, y, draw) { | |
| this.x = x != null ? x : 0; | |
| this.y = y != null ? y : 0; | |
| this.draw = draw; | |
| } | |
| Cursor.prototype.lineTo = function(x, y, color) { | |
| if (color == null) { | |
| color = "steelblue"; | |
| } | |
| this.draw.line(this.x, this.y, x, y).attr({ | |
| stroke: color | |
| }); | |
| this.x = x; | |
| this.y = y; | |
| return this; | |
| }; | |
| Cursor.prototype.moveTo = function(x, y) { | |
| return this.lineTo(x, y, "none"); | |
| }; | |
| Cursor.prototype.markPoint = function(size, style) { | |
| if (size == null) { | |
| size = 10; | |
| } | |
| style || (style = this.markerStyle); | |
| this.draw.circle(size).attr(style).center(this.x, this.y); | |
| return this; | |
| }; | |
| return Cursor; | |
| })(); | |
| extension = { | |
| cursor: function(x, y) { | |
| return new Cursor(x, y, this); | |
| } | |
| }; | |
| SVG.extend(SVG.Doc, extension); | |
| }).call(this); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment