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46 lines
1.6 KiB
HTML
46 lines
1.6 KiB
HTML
<!DOCTYPE HTML>
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<title>Canvas test: 2d.imageData.object.round</title>
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<!-- Testing: ImageData.data rounds numbers with convertToIntegerTiesToEven -->
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<script src="/MochiKit/MochiKit.js"></script>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css">
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<body>
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<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<script>
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SimpleTest.waitForExplicitFinish();
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MochiKit.DOM.addLoadEvent(function () {
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var canvas = document.getElementById('c');
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var ctx = canvas.getContext('2d');
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var imgdata = ctx.getImageData(0, 0, 10, 10);
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imgdata.data[0] = 0.499;
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todo(imgdata.data[0] === 0, "imgdata.data[\""+(0)+"\"] === 0");
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imgdata.data[0] = 0.5;
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todo(imgdata.data[0] === 0, "imgdata.data[\""+(0)+"\"] === 0");
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imgdata.data[0] = 0.501;
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todo(imgdata.data[0] === 1, "imgdata.data[\""+(0)+"\"] === 1");
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imgdata.data[0] = 1.499;
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todo(imgdata.data[0] === 1, "imgdata.data[\""+(0)+"\"] === 1");
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imgdata.data[0] = 1.5;
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todo(imgdata.data[0] === 2, "imgdata.data[\""+(0)+"\"] === 2");
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imgdata.data[0] = 1.501;
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todo(imgdata.data[0] === 2, "imgdata.data[\""+(0)+"\"] === 2");
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imgdata.data[0] = 2.5;
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todo(imgdata.data[0] === 2, "imgdata.data[\""+(0)+"\"] === 2");
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imgdata.data[0] = 3.5;
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todo(imgdata.data[0] === 4, "imgdata.data[\""+(0)+"\"] === 4");
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imgdata.data[0] = 252.5;
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todo(imgdata.data[0] === 252, "imgdata.data[\""+(0)+"\"] === 252");
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imgdata.data[0] = 253.5;
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todo(imgdata.data[0] === 254, "imgdata.data[\""+(0)+"\"] === 254");
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imgdata.data[0] = 254.5;
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todo(imgdata.data[0] === 254, "imgdata.data[\""+(0)+"\"] === 254");
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SimpleTest.finish();
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});
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</script>
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