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31 lines
1,005 B
HTML
31 lines
1,005 B
HTML
<!DOCTYPE html>
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<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
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<title>OffscreenCanvas test: 2d.gradient.interpolate.colouralpha</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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<h1>2d.gradient.interpolate.colouralpha</h1>
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<p class="desc"></p>
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<script>
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var t = async_test("");
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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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var g = ctx.createLinearGradient(0, 0, 100, 0);
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g.addColorStop(0, 'rgba(255,255,0, 0)');
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g.addColorStop(1, 'rgba(0,0,255, 1)');
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ctx.fillStyle = g;
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ctx.fillRect(0, 0, 100, 50);
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_assertPixelApprox(offscreenCanvas, 25,25, 190,190,65,65, "25,25", "190,190,65,65", 3);
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_assertPixelApprox(offscreenCanvas, 50,25, 126,126,128,128, "50,25", "126,126,128,128", 3);
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_assertPixelApprox(offscreenCanvas, 75,25, 62,62,192,192, "75,25", "62,62,192,192", 3);
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t.done();
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});
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</script>
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