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27 lines
960 B
JavaScript
27 lines
960 B
JavaScript
// DO NOT EDIT! This test has been generated by tools/gentest.py.
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// OffscreenCanvas test in a worker:2d.imageData.get.nonpremul
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// Description:getImageData() returns non-premultiplied colours
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// Note:
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importScripts("/resources/testharness.js");
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importScripts("/common/canvas-tests.js");
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var t = async_test("getImageData() returns non-premultiplied colours");
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t.step(function() {
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var offscreenCanvas = new OffscreenCanvas(100, 50);
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var ctx = offscreenCanvas.getContext('2d');
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ctx.fillStyle = 'rgba(255, 255, 255, 0.5)';
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ctx.fillRect(0, 0, 100, 50);
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var imgdata = ctx.getImageData(10, 10, 10, 10);
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_assert(imgdata.data[0] > 200, "imgdata.data[\""+(0)+"\"] > 200");
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_assert(imgdata.data[1] > 200, "imgdata.data[\""+(1)+"\"] > 200");
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_assert(imgdata.data[2] > 200, "imgdata.data[\""+(2)+"\"] > 200");
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_assert(imgdata.data[3] > 100, "imgdata.data[\""+(3)+"\"] > 100");
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_assert(imgdata.data[3] < 200, "imgdata.data[\""+(3)+"\"] < 200");
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t.done();
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});
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done();
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