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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+ <title>Test SVGMatrix behavior</title>
+ <script type="text/javascript" src="/MochiKit/packed.js"></script>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="text/javascript" src="matrixUtils.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<p id="display"></p>
+<div id="content">
+ <svg xmlns="http://www.w3.org/2000/svg" width="100%" height="1" id="svg">
+ <g id="g" transform="translate(10, 20)"/>
+ </svg>
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+<![CDATA[
+
+SimpleTest.waitForExplicitFinish();
+
+function main()
+{
+ var tests =
+ [ testCreateMatrix,
+ testMultiply,
+ testInverse,
+ testTranslate,
+ testScale,
+ testScaleNonUniform,
+ testRotate,
+ testRotateFromVector,
+ testFlipX,
+ testFlipY,
+ testSkewX,
+ testSkewY
+ ];
+ for (var i = 0; i < tests.length; i++) {
+ tests[i]();
+ }
+ SimpleTest.finish();
+}
+
+function testCreateMatrix()
+{
+ svg = $('svg');
+ var m = svg.createSVGMatrix();
+
+ // Should be initialised to identity
+ cmpMatrix(m, [1, 0, 0, 1, 0, 0],
+ "createMatrix should produce identity matrix");
+
+ // Should return a new object each time;
+ ok(m != svg.createSVGMatrix(),
+ "Got identical objects when creating new matrix");
+}
+
+// SVGMatrix multiply(in SVGMatrix secondMatrix);
+function testMultiply()
+{
+ // This is the example from SVG 1.1 section 7.5
+ var m1 = createMatrix(1, 0, 0, 1, 50, 90);
+ var m2 = createMatrix(0.707, -0.707, 0.707, 0.707, 0, 0);
+ var m3 = createMatrix(1, 0, 0, 1, 130, 160);
+ var result = m1.multiply(m2).multiply(m3);
+ roughCmpMatrix(result, [0.707, -0.707, 0.707, 0.707, 255.03, 111.21],
+ "Unexpected result after multiplying matrices");
+
+ // Check orig matrices are unchanged
+ cmpMatrix(m1, [1, 0, 0, 1, 50, 90], "Matrix changed after multiplication");
+ roughCmpMatrix(m2, [0.707, -0.707, 0.707, 0.707, 0, 0],
+ "Matrix changed after multiplication");
+ cmpMatrix(m3, [1, 0, 0, 1, 130, 160], "Matrix changed after multiplication");
+}
+
+// SVGMatrix inverse() raises(SVGException);
+function testInverse()
+{
+ // Test inversion
+ var m = createMatrix(2, 0, 0, 4, 110, -50);
+ roughCmpMatrix(m.inverse(), [0.5, 0, 0, 0.25, -55, 12.5],
+ "Unexpected result after inverting matrix");
+
+ // Test non-invertable
+ m = createMatrix(0, 0, 1, 0, 0, 0);
+ try {
+ m.inverse();
+ ok(false, "Failed to throw exception when inverting singular matrix");
+ } catch (e) {
+ is(e.name, "InvalidStateError",
+ "Got unexpected exception " + e + ", expected InvalidStateError");
+ }
+}
+
+// SVGMatrix translate(in float x, in float y);
+function testTranslate()
+{
+ var m = createMatrix(2, 0, 0, 1, 120, 100);
+ roughCmpMatrix(m.translate(100, -50), [2, 0, 0, 1, 320, 50],
+ "Unexpected result after translate");
+}
+
+// SVGMatrix scale(in float scaleFactor);
+function testScale()
+{
+ var m = createMatrix(2, 0, 0, 1, 120, 100);
+ roughCmpMatrix(m.scale(0.5), [1, 0, 0, 0.5, 120, 100],
+ "Unexpected result after scale");
+}
+
+// SVGMatrix scaleNonUniform(in float scaleFactorX, in float scaleFactorY);
+function testScaleNonUniform()
+{
+ var m = createMatrix(2, 0, 0, 1, 120, 100);
+ roughCmpMatrix(m.scaleNonUniform(0.5, -3), [1, 0, 0, -3, 120, 100],
+ "Unexpected result after scaleNonUniform");
+}
+
+// SVGMatrix rotate(in float angle);
+function testRotate()
+{
+ var m = createMatrix(2, 0, 0, 1, 120, 100);
+ roughCmpMatrix(m.rotate(45),
+ [2*Math.cos(Math.PI/4), Math.sin(Math.PI/4),
+ 2*-Math.sin(Math.PI/4), Math.cos(Math.PI/4),
+ 120, 100],
+ "Unexpected result after rotate");
+}
+
+// SVGMatrix rotateFromVector(in float x, in float y) raises(SVGException);
+function testRotateFromVector()
+{
+ var m = createMatrix(2, 0, 0, 1, 120, 100);
+ // Make a 150 degree angle
+ var result = m.rotateFromVector(-2, 1.1547);
+ roughCmpMatrix(result,
+ [2*Math.cos(5*Math.PI/6), Math.sin(5*Math.PI/6),
+ 2*-Math.sin(5*Math.PI/6), Math.cos(5*Math.PI/6),
+ 120, 100],
+ "Unexpected result after rotateFromVector");
+
+ // Test bad input (1)
+ try {
+ m.rotateFromVector(1, 0);
+ ok(false, "Failed to throw exception with zero coord for rotateFromVector");
+ } catch (e) {
+ is(e.name, "InvalidAccessError",
+ "Got unexpected exception " + e + ", expected TypeError");
+ }
+
+ // Test bad input (2)
+ try {
+ m.rotateFromVector(0, 1);
+ ok(false, "Failed to throw exception with zero coord for rotateFromVector");
+ } catch (e) { }
+}
+
+// SVGMatrix flipX();
+function testFlipX()
+{
+ var m = createMatrix(1, 2, 3, 4, 5, 6);
+ cmpMatrix(m.flipX(), [-1, -2, 3, 4, 5, 6], "Unexpected result after flipX");
+}
+
+// SVGMatrix flipY();
+function testFlipY()
+{
+ var m = createMatrix(1, 2, 3, 4, 5, 6);
+ cmpMatrix(m.flipY(), [1, 2, -3, -4, 5, 6], "Unexpected result after flipY");
+}
+
+// SVGMatrix skewX(in float angle);
+function testSkewX()
+{
+ var m = createMatrix(2, 0, 0, 1, 120, 100);
+ roughCmpMatrix(m.skewX(30), [2, 0, 2*Math.tan(Math.PI/6), 1, 120, 100],
+ "Unexpected result after skewX");
+}
+
+// SVGMatrix skewY(in float angle);
+function testSkewY()
+{
+ var m = createMatrix(2, 0, 0, 1, 120, 100);
+ roughCmpMatrix(m.skewY(30), [2, Math.tan(Math.PI/6), 0, 1, 120, 100],
+ "Unexpected result after skewY");
+}
+
+window.addEventListener("load", main, false);
+
+]]>
+</script>
+</pre>
+</body>
+</html>
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