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