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Issue 2550713004: Import wpt@5915964199b07226bf6d8fbb177a63b1f272907a (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.gradient.interpolate.alpha</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.gradient.interpolate.alpha</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 ctx.fillStyle = '#ff0';
20 ctx.fillRect(0, 0, 100, 50);
21 var g = ctx.createLinearGradient(0, 0, 100, 0);
22 g.addColorStop(0, 'rgba(0,0,255, 0)');
23 g.addColorStop(1, 'rgba(0,0,255, 1)');
24 ctx.fillStyle = g;
25 ctx.fillRect(0, 0, 100, 50);
26 _assertPixelApprox(offscreenCanvas, 25,25, 191,191,63,255, "25,25", "191,191,63, 255", 3);
27 _assertPixelApprox(offscreenCanvas, 50,25, 127,127,127,255, "50,25", "127,127,12 7,255", 3);
28 _assertPixelApprox(offscreenCanvas, 75,25, 63,63,191,255, "75,25", "63,63,191,25 5", 3);
29
30 t.done();
31
32 });
33 </script>
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