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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Matrix testing</title>
<style type="text/css" media="screen">
div {
-webkit-box-sizing: border-box;
}
.column {
margin: 10px;
display: inline-block;
vertical-align: top;
}
.container {
position: relative;
height: 200px;
width: 200px;
margin: 10px;
background-color: silver;
border: 1px solid black;
}
.box {
position: absolute;
top: 0;
left: 0;
height: 60px;
width: 60px;
border: 1px dotted black;
-webkit-transform-origin: top left; /* to match SVG */
}
.final {
border: 1px solid blue;
}
</style>
<script type="text/javascript" charset="utf-8">
function doTest()
{
doCSS();
doSVG();
}
function doCSS()
{
var matrixDiv = document.getElementById('matrixed');
var firstMatrix = new WebKitCSSMatrix(document.getElementById('box1').style.transform);
var secondMatrix = new WebKitCSSMatrix(document.getElementById('box2').style.transform);
var thirdMatrix = new WebKitCSSMatrix(document.getElementById('box3').style.transform);
var finalMatrix = firstMatrix.multiply(secondMatrix);
finalMatrix = finalMatrix.multiply(thirdMatrix);
// "Flipped" behavior
// var finalMatrix = thirdMatrix.multiply(secondMatrix);
// finalMatrix = finalMatrix.multiply(firstMatrix);
matrixDiv.style.transform = finalMatrix;
}
function doSVG()
{
var matrixDiv = document.getElementById('matrix-svg');
var svgroot = document.getElementsByTagName('svg')[0];
var firstMatrix = svgroot.createSVGMatrix();
firstMatrix = firstMatrix.translate(75, 25);
var secondMatrix = svgroot.createSVGMatrix();
secondMatrix = secondMatrix.scale(2);
var thirdMatrix = svgroot.createSVGMatrix();
thirdMatrix = thirdMatrix.rotate(45);
var finalMatrix = firstMatrix.multiply(secondMatrix);
finalMatrix = finalMatrix.multiply(thirdMatrix);
var matrixString = "matrix(" + finalMatrix.a + " " + finalMatrix.b +
" " + finalMatrix.c + " " + finalMatrix.d + " " + finalMatrix.e + " "
+ finalMatrix.f + ")";
matrixDiv.setAttribute("transform", matrixString);
}
window.addEventListener('load', doTest, false)
</script>
</head>
<body>
<div class="column">
<h2>SVG nested</h2>
<div class="container">
<svg xmlns="http://www.w3.org/2000/svg" version="1.1"
viewBox="0 0 200 200" style="width:200px; height:200px;">
<g id="group1" x="0" y="0" width="60" height="60" transform="translate(75, 25)">
<rect x="0" y="0" width="60" height="60" stroke="black" stroke-width="1px" stroke-dasharray="1 1" fill="none" />
<g id="group2" x="0" y="0" width="60" height="60" transform="scale(2)" >
<rect x="0" y="0" width="60" height="60" stroke="black" stroke-dasharray="1 1" stroke-width="1px" fill="none" />
<rect id="group3" x="0" y="0" width="60" height="60" stroke="blue" fill="none" transform="rotate(45)" />
</g>
</g>
</svg>
</div>
<h2>CSS nested</h2>
<div class="container">
<div id="box1" class="box" style="transform: translate(75px, 25px)">
<div id="box2" class="box" style="transform: scale(2)">
<div id="box3" class="final box" style="transform: rotate(45deg)">
</div>
</div>
</div>
</div>
</div>
<div class="column">
<h2>SVG compound</h2>
<div class="container">
<svg xmlns="http://www.w3.org/2000/svg" version="1.1"
viewBox="0 0 200 200" style="width:200px; height:200px;">
<rect x="0" y="0" width="60" height="60" stroke="blue" fill="none" transform="translate(75, 25) scale(2) rotate(45)">
</rect>
</svg>
</div>
<h2>CSS compound</h2>
<div class="container">
<div class="final box" style="transform: translate(75px, 25px) scale(2) rotate(45deg)">
</div>
</div>
</div>
<div class="column">
<h2>SVG Matrix</h2>
<div class="container">
<svg xmlns="http://www.w3.org/2000/svg" version="1.1"
viewBox="0 0 200 200" style="width:200px; height:200px;">
<rect id="matrix-svg" x="0" y="0" width="60" height="60" stroke="blue" fill="none">
</rect>
</svg>
</div>
<h2>CSSMatrix</h2>
<div class="container">
<div id="matrixed" class="final box">
</div>
</div>
</div>
</body>
</html>
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