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https://github.com/servo/servo
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34 lines
1.2 KiB
HTML
34 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
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<title>Canvas test: 2d.imageData.put.alpha</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/common/canvas-tests.js"></script>
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<link rel="stylesheet" href="/common/canvas-tests.css">
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<body class="show_output">
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<h1>2d.imageData.put.alpha</h1>
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<p class="desc">putImageData() puts non-solid image data correctly</p>
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<p class="output">Actual output:</p>
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<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<p class="output expectedtext">Expected output:<p><img src="2d.imageData.put.alpha.png" class="output expected" id="expected" alt="">
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<ul id="d"></ul>
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<script>
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var t = async_test("putImageData() puts non-solid image data correctly");
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_addTest(function(canvas, ctx) {
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ctx.fillStyle = 'rgba(0, 255, 0, 0.25)';
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ctx.fillRect(0, 0, 100, 50)
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var imgdata = ctx.getImageData(0, 0, 100, 50);
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ctx.fillStyle = '#f00';
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ctx.fillRect(0, 0, 100, 50)
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ctx.putImageData(imgdata, 0, 0);
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_assertPixelApprox(canvas, 50,25, 0,255,0,64, "50,25", "0,255,0,64", 2);
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});
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</script>
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