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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.shadow.pattern.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.shadow.pattern.alpha</h1> | |
9 <p class="desc">Shadows are drawn correctly for partially-transparent fill patte
rns</p> | |
10 | |
11 | |
12 <script> | |
13 var t = async_test("Shadows are drawn correctly for partially-transparent fill p
atterns"); | |
14 t.step(function() { | |
15 | |
16 var offscreenCanvas = new OffscreenCanvas(100, 50); | |
17 var ctx = offscreenCanvas.getContext('2d'); | |
18 | |
19 var promise = new Promise(function(resolve, reject) { | |
20 var xhr = new XMLHttpRequest(); | |
21 xhr.open("GET", '/images/transparent50.png'); | |
22 xhr.responseType = 'blob'; | |
23 xhr.send(); | |
24 xhr.onload = function() { | |
25 resolve(xhr.response); | |
26 }; | |
27 }); | |
28 promise.then(function(response) { | |
29 var pattern = ctx.createPattern(response, 'repeat'); | |
30 ctx.fillStyle = '#f00'; | |
31 ctx.fillRect(0, 0, 100, 50); | |
32 ctx.shadowOffsetY = 50; | |
33 ctx.shadowColor = '#00f'; | |
34 ctx.fillStyle = pattern; | |
35 ctx.fillRect(0, -50, 100, 50); | |
36 }); | |
37 | |
38 t.done(); | |
39 | |
40 }); | |
41 </script> | |
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