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29 lines
923 B
HTML
29 lines
923 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: initial.reset.same</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>initial.reset.same</h1>
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<p class="desc">Setting size (not changing the value) resets canvas to transparent black</p>
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<script>
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var t = async_test("Setting size (not changing the value) resets canvas to transparent black");
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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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offscreenCanvas.width = 100;
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ctx.fillStyle = '#f00';
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ctx.fillRect(0, 0, 50, 50);
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_assertPixel(offscreenCanvas, 20,20, 255,0,0,255, "20,20", "255,0,0,255");
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offscreenCanvas.width = 100;
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_assertPixel(offscreenCanvas, 20,20, 0,0,0,0, "20,20", "0,0,0,0");
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t.done();
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});
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</script>
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