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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.drawImage.5arg</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.drawImage.5arg</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 = '#f00'; | |
20 ctx.fillRect(0, 0, 100, 50); | |
21 var promise1 = new Promise(function(resolve, reject) { | |
22 var xhr = new XMLHttpRequest(); | |
23 xhr.open("GET", '/images/red.png'); | |
24 xhr.responseType = 'blob'; | |
25 xhr.send(); | |
26 xhr.onload = function() { | |
27 resolve(xhr.response); | |
28 }; | |
29 }); | |
30 var promise2 = new Promise(function(resolve, reject) { | |
31 var xhr = new XMLHttpRequest(); | |
32 xhr.open("GET", '/images/green.png'); | |
33 xhr.responseType = 'blob'; | |
34 xhr.send(); | |
35 xhr.onload = function() { | |
36 resolve(xhr.response); | |
37 }; | |
38 }); | |
39 Promise.all([promise1, promise2]).then(function(response1, response2) { | |
40 ctx.drawImage(response2, 50, 0, 50, 50); | |
41 ctx.drawImage(response1, 0, 0, 50, 50); | |
42 ctx.fillStyle = '#0f0'; | |
43 ctx.fillRect(0, 0, 50, 50); | |
44 _assertPixelApprox(offscreenCanvas, 0,0, 0,255,0,255, "0,0", "0,255,0,255",
2); | |
45 _assertPixelApprox(offscreenCanvas, 99,0, 0,255,0,255, "99,0", "0,255,0,255"
, 2); | |
46 _assertPixelApprox(offscreenCanvas, 0,49, 0,255,0,255, "0,49", "0,255,0,255"
, 2); | |
47 _assertPixelApprox(offscreenCanvas, 99,49, 0,255,0,255, "99,49", "0,255,0,25
5", 2); | |
48 }); | |
49 | |
50 t.done(); | |
51 | |
52 }); | |
53 </script> | |
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