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Issue 2547023002: Import wpt@3c8896ae408c8fd594979da7c99970029e7856a7 (Closed)
Patch Set: Modify TestExpectations or download new baselines for tests. Created 4 years ago
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1 <!DOCTYPE html>
2 <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
3 <title>OffscreenCanvas test: 2d.composite.canvas.destination-in</title>
4 <script src="/resources/testharness.js"></script>
5 <script src="/resources/testharnessreport.js"></script>
6 <script src="/common/canvas-tests.js"></script>
7
8 <h1>2d.composite.canvas.destination-in</h1>
9 <p class="desc"></p>
10
11
12 <script>
13 var t = async_test("");
14 t.step(function() {
15
16 var offscreenCanvas = new OffscreenCanvas(100, 50);
17 var ctx = offscreenCanvas.getContext('2d');
18
19
20 var offscreenCanvas2 = new OffscreenCanvas(offscreenCanvas.width, offscreenCanva s.height);
21 var ctx2 = offscreenCanvas2.getContext('2d');
22 var promise = new Promise(function(resolve, reject) {
23 var xhr = new XMLHttpRequest();
24 xhr.open("GET", '/images/yellow75.png');
25 xhr.responseType = 'blob';
26 xhr.send();
27 xhr.onload = function() {
28 resolve(xhr.response);
29 };
30 });
31 promise.then(function(response) {
32 ctx2.drawImage(response, 0, 0);
33 ctx.fillStyle = 'rgba(0, 255, 255, 0.5)';
34 ctx.fillRect(0, 0, 100, 50);
35 ctx.globalCompositeOperation = 'destination-in';
36 ctx.drawImage(offscreenCanvas2, 0, 0);
37 _assertPixelApprox(offscreenCanvas, 50,25, 0,255,255,96, "50,25", "0,255,255 ,96", 5);
38 });
39
40 t.done();
41
42 });
43 </script>
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