Content - f797c6376498820289e23ffeffc0280e77d1d2cd - 8026783/offscreen-canvas/compositing/2d.composite.globalAlpha.canvascopy.html

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Tip revision: cf94be3b1a0f78b0ecb5e812ecc81f9d5f561cef authored by Eric Willigers on 03 October 2017, 02:38:14 UTC
CSS Motion Path: support <size> for ray paths

Tip revision: cf94be3

2d.composite.globalAlpha.canvascopy.html

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.composite.globalAlpha.canvascopy</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/canvas-tests.js"></script>

<h1>2d.composite.globalAlpha.canvascopy</h1>
<p class="desc"></p>


<script>
var t = async_test("");
t.step(function() {

var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');

var offscreenCanvas2 = new OffscreenCanvas(100, 50);
var ctx2 = offscreenCanvas2.getContext('2d');
ctx2.fillStyle = '#0f0';
ctx2.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.globalCompositeOperation = 'copy'
ctx.globalAlpha = 0.51;
ctx.drawImage(offscreenCanvas2, 0, 0);
_assertPixelApprox(offscreenCanvas, 50,25, 0,255,0,130, "50,25", "0,255,0,130", 2);

t.done();

});
</script>

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