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SVG Colour Experiment
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README.md

PS5 SVG Colour Experiment

Process

I decided to take this project as an opportunity to explore some new territory.

Looking at my ps4 glyph8, I realised that some iterations weren't overly aesthetically pleasing, I decided I wanted to explore form and colour in a more graphic design type context. I am currently learning to skate and decided that drawing a skateboard was as good a glyph to draw as any. I started by sketching different skateboards from both internet images and freehand.

sketches

My next step was to explore different colour pallets, I did so through the use of adobe kuler and a smartphone app also by adobe called 'Capture'. Capture allowed me to pull colour pallets from images taken on my phone, a really fun and useful tool.

I then drew a few skateboards in illustrator and experimented with colouring them in different ways.

sketches

The hard part was integrating these SVGs back into the project.

Up to this point, I hadn't given too much thought as to how to integrate, assuming that p5.js had similar support for SVGs as processing, this was not the case. I also tried threejs however this actually uses some fancy DOM manipulation to render the SVG. In the end I chose to simply use vanilla DOM and ajax along with jQuery to manipulate the SVG.

I wanted to implement the glyph4 inputs to manipulate the colour palette and strokeWeight of the SVG, this turned out to work fairly well however I had run out of time to implement all the tiling/grid features of the original ps4 project.

sketches

Further Extension

I would like to take the project away from the existing glyph route and further the colour manipulation aspects to turn it into more of a tool to try different possibly wacky permutations of colour that otherwise might take too long to try out manually in a typical vector graphics package.

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board_2.svg
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index.html
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<script src="jquery-3.1.1.slim.min.js"></script>
<script src="snap.svg-min.js"></script>
<script src="tinycolor-min.js"></script>
<form method="post" action="demoform">
<label for="slider0">Stroke Weight:</label>
<br/>
<input type="range" name="0" id="slider0" value="50" min="0" max="100" oninput="sliderChanged(this.value, this.name)">
<label for="slider1">Stroke Colour:</label>
<br/>
<input type="range" name="1" id="slider1" value="50" min="0" max="100" oninput="sliderChanged(this.value, this.name)">
<label for="slider2">Change Colors:</label>
<br/>
<button type="button" onclick="toggleClasses()">Toggle Classes</button>
<br/>
<label for="slider3">Num Tiles:</label>
<br/>
<select id="numTileSelector" name="numTiles" oninput="selectChanged(this.value, this.name)">
<option value="1">1</option>
<option value="24">24</option>
</select>
</form>
<div class="images">
<div class="grid">
<div class="svg"></div>
</div>
</div>
<!-- SVG stuff -->
<script src="svgPlayer.js"></script>
<!-- Page styles -->
<style>
/*generic*/
body {
box-sizing: border-box;
margin: 0;
}
/*board*/
.images {
width: 960px;
height: 500px;
overflow: hidden;
/*border: 1px solid black;*/
}
.grid {
display: flex;
flex-wrap: wrap;
flex-direction: row;
max-height: 100%;
margin: auto;
}
.svg {
margin: auto;
margin-bottom: 10px;
width:calc((100% / 1.8) - 2.2rem);
max-height: 100%;
/*border: 1px solid black;*/
}
/*form*/
label, input {
display: inline-block;
vertical-align: baseline;
width: 125px;
}
label {
color: #2D2D2D;
font-size: 15px;
}
form, input {
box-sizing: border-box;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
}
form {
width: 200px;
position: absolute;
left: 10px;
top: 10px;
opacity: 0.5;
/*background-color: #ffffff;*/
}
form:hover{
opacity: 1;
}
</style>
</body>
</html>
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eb=/\[\]$/,fb=/\r?\n/g,gb=/^(?:submit|button|image|reset|file)$/i,hb=/^(?:input|select|textarea|keygen)/i;function ib(a,b,c,d){var e;if(r.isArray(b))r.each(b,function(b,e){c||eb.test(a)?d(a,e):ib(a+"["+("object"==typeof e&&null!=e?b:"")+"]",e,c,d);
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snap.svg-min.js
// Snap.svg 0.4.1
//
// Copyright (c) 2013 – 2015 Adobe Systems Incorporated. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// build: 2015-04-13
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m=c.el.node;m.nextSibling,m.parentNode,m.style.display}d+=g,e+=f,b("snap.drag.move."+c.el.id,c.move_scope||c.el,d-c.el._drag.x,e-c.el._drag.y,d,e,a)}},q=function(c){a.unmousemove(p).unmouseup(q);for(var d,e=o.length;e--;)d=o[e],d.el._drag={},b("snap.drag.end."+d.el.id,d.end_scope||d.start_scope||d.move_scope||d.el,c),b.off("snap.drag.*."+d.el.id);o=[]},r=i.length;r--;)!function(b){a[b]=f[b]=function(c,d){if(a.is(c,"function"))this.events=this.events||[],this.events.push({name:b,f:c,unbind:n(this.node||document,b,c,d||this)});else for(var e=0,f=this.events.length;f>e;e++)if(this.events[e].name==b)try{this.events[e].f.call(this)}catch(g){}return this},a["un"+b]=f["un"+b]=function(a){for(var c=this.events||[],d=c.length;d--;)if(c[d].name==b&&(c[d].f==a||!a))return c[d].unbind(),c.splice(d,1),!c.length&&delete this.events,this;return this}}(i[r]);f.hover=function(a,b,c,d){return this.mouseover(a,c).mouseout(b,d||c)},f.unhover=function(a,b){return this.unmouseover(a).unmouseout(b)};var s=[];f.drag=function(c,d,e,f,g,h){function i(i,j,l){(i.originalEvent||i).preventDefault(),k._drag.x=j,k._drag.y=l,k._drag.id=i.identifier,!o.length&&a.mousemove(p).mouseup(q),o.push({el:k,move_scope:f,start_scope:g,end_scope:h}),d&&b.on("snap.drag.start."+k.id,d),c&&b.on("snap.drag.move."+k.id,c),e&&b.on("snap.drag.end."+k.id,e),b("snap.drag.start."+k.id,g||f||k,j,l,i)}function j(a,c,d){b("snap.draginit."+k.id,k,a,c,d)}var k=this;if(!arguments.length){var l;return k.drag(function(a,b){this.attr({transform:l+(l?"T":"t")+[a,b]})},function(){l=this.transform().local})}return b.on("snap.draginit."+k.id,i),k._drag={},s.push({el:k,start:i,init:j}),k.mousedown(j),k},f.undrag=function(){for(var c=s.length;c--;)s[c].el==this&&(this.unmousedown(s[c].init),s.splice(c,1),b.unbind("snap.drag.*."+this.id),b.unbind("snap.draginit."+this.id));return!s.length&&a.unmousemove(p).unmouseup(q),this}}),d.plugin(function(a,c,d){var e=(c.prototype,d.prototype),f=/^\s*url\((.+)\)/,g=String,h=a._.$;a.filter={},e.filter=function(b){var d=this;"svg"!=d.type&&(d=d.paper);var e=a.parse(g(b)),f=a._.id(),i=(d.node.offsetWidth,d.node.offsetHeight,h("filter"));return h(i,{id:f,filterUnits:"userSpaceOnUse"}),i.appendChild(e.node),d.defs.appendChild(i),new c(i)},b.on("snap.util.getattr.filter",function(){b.stop();var c=h(this.node,"filter");if(c){var d=g(c).match(f);return d&&a.select(d[1])}}),b.on("snap.util.attr.filter",function(d){if(d instanceof c&&"filter"==d.type){b.stop();var e=d.node.id;e||(h(d.node,{id:d.id}),e=d.id),h(this.node,{filter:a.url(e)})}d&&"none"!=d||(b.stop(),this.node.removeAttribute("filter"))}),a.filter.blur=function(b,c){null==b&&(b=2);var d=null==c?b:[b,c];return a.format('<feGaussianBlur stdDeviation="{def}"/>',{def:d})},a.filter.blur.toString=function(){return this()},a.filter.shadow=function(b,c,d,e,f){return"string"==typeof d&&(e=d,f=e,d=4),"string"!=typeof e&&(f=e,e="#000"),e=e||"#000",null==d&&(d=4),null==f&&(f=1),null==b&&(b=0,c=2),null==c&&(c=b),e=a.color(e),a.format('<feGaussianBlur in="SourceAlpha" stdDeviation="{blur}"/><feOffset dx="{dx}" dy="{dy}" result="offsetblur"/><feFlood flood-color="{color}"/><feComposite in2="offsetblur" operator="in"/><feComponentTransfer><feFuncA type="linear" slope="{opacity}"/></feComponentTransfer><feMerge><feMergeNode/><feMergeNode in="SourceGraphic"/></feMerge>',{color:e,dx:b,dy:c,blur:d,opacity:f})},a.filter.shadow.toString=function(){return this()},a.filter.grayscale=function(b){return null==b&&(b=1),a.format('<feColorMatrix type="matrix" values="{a} {b} {c} 0 0 {d} {e} {f} 0 0 {g} {b} {h} 0 0 0 0 0 1 0"/>',{a:.2126+.7874*(1-b),b:.7152-.7152*(1-b),c:.0722-.0722*(1-b),d:.2126-.2126*(1-b),e:.7152+.2848*(1-b),f:.0722-.0722*(1-b),g:.2126-.2126*(1-b),h:.0722+.9278*(1-b)})},a.filter.grayscale.toString=function(){return this()},a.filter.sepia=function(b){return null==b&&(b=1),a.format('<feColorMatrix type="matrix" values="{a} {b} {c} 0 0 {d} {e} {f} 0 0 {g} {h} {i} 0 0 0 0 0 1 0"/>',{a:.393+.607*(1-b),b:.769-.769*(1-b),c:.189-.189*(1-b),d:.349-.349*(1-b),e:.686+.314*(1-b),f:.168-.168*(1-b),g:.272-.272*(1-b),h:.534-.534*(1-b),i:.131+.869*(1-b)})},a.filter.sepia.toString=function(){return this()},a.filter.saturate=function(b){return null==b&&(b=1),a.format('<feColorMatrix type="saturate" values="{amount}"/>',{amount:1-b})},a.filter.saturate.toString=function(){return this()},a.filter.hueRotate=function(b){return b=b||0,a.format('<feColorMatrix type="hueRotate" values="{angle}"/>',{angle:b})},a.filter.hueRotate.toString=function(){return this()},a.filter.invert=function(b){return null==b&&(b=1),a.format('<feComponentTransfer><feFuncR type="table" tableValues="{amount} {amount2}"/><feFuncG type="table" tableValues="{amount} {amount2}"/><feFuncB type="table" tableValues="{amount} {amount2}"/></feComponentTransfer>',{amount:b,amount2:1-b})},a.filter.invert.toString=function(){return this()},a.filter.brightness=function(b){return null==b&&(b=1),a.format('<feComponentTransfer><feFuncR type="linear" slope="{amount}"/><feFuncG type="linear" slope="{amount}"/><feFuncB type="linear" slope="{amount}"/></feComponentTransfer>',{amount:b})},a.filter.brightness.toString=function(){return this()},a.filter.contrast=function(b){return null==b&&(b=1),a.format('<feComponentTransfer><feFuncR type="linear" slope="{amount}" intercept="{amount2}"/><feFuncG type="linear" slope="{amount}" intercept="{amount2}"/><feFuncB type="linear" slope="{amount}" intercept="{amount2}"/></feComponentTransfer>',{amount:b,amount2:.5-b/2})},a.filter.contrast.toString=function(){return this()}}),d.plugin(function(a,b){var c=a._.box,d=a.is,e=/^[^a-z]*([tbmlrc])/i,f=function(){return"T"+this.dx+","+this.dy};b.prototype.getAlign=function(a,b){null==b&&d(a,"string")&&(b=a,a=null),a=a||this.paper;var g=a.getBBox?a.getBBox():c(a),h=this.getBBox(),i={};switch(b=b&&b.match(e),b=b?b[1].toLowerCase():"c"){case"t":i.dx=0,i.dy=g.y-h.y;break;case"b":i.dx=0,i.dy=g.y2-h.y2;break;case"m":i.dx=0,i.dy=g.cy-h.cy;break;case"l":i.dx=g.x-h.x,i.dy=0;break;case"r":i.dx=g.x2-h.x2,i.dy=0;break;default:i.dx=g.cx-h.cx,i.dy=0}return i.toString=f,i},b.prototype.align=function(a,b){return this.transform("..."+this.getAlign(a,b))}}),d});
Raw
svgPlayer.js
var WIDTH = 960;
var HEIGHT = 600;
var numImgs;
initVals();
var cols = {
pal1:["#e75b5a","#e54545","#fcb758","#60c5dd","#1e3658","#091019"],
// pal1:["#e75b5a","#e54545","#fcb758","#60c5dd","#1e3658","#091019"]
};
var url = "board_2.svg";
var ajax = new XMLHttpRequest();
ajax.open("GET", url, true);
ajax.send();
ajax.onload = function(e) {
var div = $(".svg");
div.html(ajax.responseText);
}
// sliders
function sliderChanged(val, slider) {
if(slider == 0) {
var strokeWeight = ( val / 100 ) * 6;
$('svg').each(function(i){
this.style['stroke-width'] = strokeWeight;
});
} else if (slider == 1) {
var c2 = tinycolor('#fff');
var c1 = tinycolor('#000');
var amt = val / 100.0;
var color = lerpColorRGB(c1, c2, amt);
var x = color.toHexString();
//apply to all
$('svg').each(function(i){
this.style.stroke = color;
});
}
}
function toggleClasses(){
var classes = {};
var svgs = $('*[class^="st"]');
svgs.each(function(){
//make a set of all the keys
var cl = $(this).attr("class");
if(classes[cl]){
classes[cl] += 1;
} else {
classes[cl] = 1;
}
});
var numKeys = Object.keys(classes).length;
//cycle classes
svgs.each(function(i){
var cl = $(this).attr("class");
var clNum = parseInt(cl.substring(2));
var newClassNum = (clNum + 1) % numKeys;
var newClass = "st" + newClassNum;
var me = $(this);
me.removeClass(cl);
me.addClass(newClass);
});
}
function selectChanged(selection){
console.log("selection", selection);
populateTiles(selection);
}
/* Get any values needed from sliders */
function initVals(){
numImgs = $('#numTileSelector').val();
}
function populateTiles(numTiles){
var cur = $('.svg');
var curLength = cur.length;
var grid = $('.grid');
if(curLength > numTiles){
$('.svg').not(':first').remove();
}
for (var i = 0; i < (numTiles - curLength); i++) {
var newTile = $(cur[0]).clone();
grid.append(newTile);
}
var numHoriz = 1.8;
if(numTiles == 24) {
numHoriz = 5;
}
$('.svg').each(function(i) {
this.style.width = 'calc((100% / ' + numHoriz + ') - 2.2rem)';
});
}
// helper functions
function lerpColorRGB(c0, c1, amt){
var col0 = c0.toRgb();
var col1 = c1.toRgb();
var r = lerp(col0.r, col1.r, amt);
var g = lerp(col0.g, col1.g, amt);
var b = lerp(col0.b, col1.b, amt);
return tinycolor({r: r, g: g, b: b});
}
function lerp(v0, v1, amt){
v0 = min(v0, v1);
v1 = max(v0, v1);
return (1 - amt) * v0 + amt * v1;
}
function max(v0, v1){
if(v0 > v1) return v0;
return v1;
}
function min(v0, v1){
if(v0 < v1) return v0;
return v1;
}
Raw
tinycolor-min.js
View raw

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