100 lines
3.4 KiB
HTML
100 lines
3.4 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>Transform Origin</title>
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<style type="text/css" media="screen">
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.container {
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height: 100px;
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width: 200px;
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margin: 30px;
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outline: 1px solid black;
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}
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.box {
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height: 100%;
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width: 100%;
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padding: 5px;
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margin: 5px;
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border: 5px solid gray;
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background-color: green;
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-webkit-transform-origin: 20% 50%;
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}
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#results {
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margin-top: 150px;
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}
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</style>
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<script type="text/javascript" charset="utf-8">
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if (window.testRunner) {
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testRunner.dumpAsText();
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testRunner.waitUntilDone();
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}
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var gTests = [
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{ 'transform' : 'translate(80px, 90px)', 'result' : 'matrix(1, 0, 0, 1, 80, 90)' },
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{ 'transform' : 'translate(10px, 50%)', 'result' : 'matrix(1, 0, 0, 1, 10, 60)' },
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{ 'transform' : 'scale(1.2, 0.8)', 'result' : 'matrix(1.2, 0, 0, 0.8, 0, 0)' },
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{ 'transform' : 'skew(-0.7rad, 20deg)', 'result' : 'matrix(1, 0.36397, -0.842288, 1, 0, 0)' },
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{ 'transform' : 'rotate(45deg)', 'result' : 'matrix(0.707107, 0.707107, -0.707107, 0.707107, 0, 0)' },
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];
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function compareTransform(expected, computed)
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{
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var re = /^matrix\(([^,]+), ([^,]+), ([^,]+), ([^,]+), ([^,]+?)(?:px)?, ([^,]+?)(?:px)?\)$/;
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var parsedExpected = re.exec(expected);
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var parsedComputed = re.exec(computed);
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for(var i = 1; i < 7; i++) {
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// use +/- 0.05 to avoid problems with rounding
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if (!(Math.abs(parsedComputed[i] - parsedExpected[i]) < 0.05))
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return false;
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}
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return true;
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}
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function runTests()
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{
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var testBox = document.getElementById('test-box');
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var testSpan = document.getElementById('test-span');
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var resultsBox = document.getElementById('results');
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gTests.forEach(function(curTest) {
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// set one of our test transforms
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testBox.style.webkitTransform = curTest.transform;
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testSpan.style.webkitTransform = curTest.transform;
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// read back computed style
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var computedTransform = window.getComputedStyle(testBox).webkitTransform;
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var computedSpanTransform = window.getComputedStyle(testSpan).webkitTransform;
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// compare expected result to computed transformation matrix
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var success = compareTransform(curTest.result, computedTransform);
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var result;
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if (success)
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result = curTest.transform + ' expected <code>' + curTest.result + '</code> : PASS';
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else
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result = curTest.transform + ' expected <code>' + curTest.result + '</code>, got <code>' + computedTransform + '</code> : FAIL';
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resultsBox.innerHTML += result + '<br>';
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if (computedSpanTransform !== 'none') {
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result = curTest.transform + ' applied to a non-box element: ' + ' expected <code>none</code> got <code>' + computedSpanTransform + '</code> : FAIL';
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resultsBox.innerHTML += result + '<br>';
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}
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});
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if (window.testRunner)
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testRunner.notifyDone();
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}
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</script>
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</head>
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<body onload="runTests()">
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<div class="container">
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<div id="test-box" class="box"></div>
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</div>
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<span id="test-span" class="box"></span>
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<div id="results">
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</div>
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</body>
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</html>
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