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1 <script src = "../../resources/js-test.js"></script> | |
2 <script type = 'text/javascript'> | |
3 description("Test that verifies whether the image data survives the toBlob proce ss"); | |
4 | |
5 if (window.testRunner) { | |
6 testRunner.dumpAsText(); | |
7 testRunner.waitUntilDone(); | |
8 } | |
9 | |
10 var canvas = document.createElement("canvas"); | |
11 var ctx = canvas.getContext("2d"); | |
12 ctx.fillStyle = "#FF0000"; | |
13 ctx.fillRect(0, 0, 150, 75); | |
14 var canvas2 = document.createElement("canvas"); | |
15 var ctx2 = canvas2.getContext("2d"); | |
16 | |
17 var newImg = new Image(); | |
18 newImg.onload = function() { | |
19 ctx2.drawImage(newImg, 0, 0, 150, 75); | |
20 //Randomly pick a pixel to check whether they match | |
Noel Gordon
2015/08/28 08:53:47
This doesn't appear to be random pixel pick (it al
xlai (Olivia)
2015/08/28 19:54:19
Acknowledged for randomized pixel picking.
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21 shouldBe('ctx.getImageData(0, 0, 150, 75).data[4]', 'ctx2.getImageData(0, 0, 150, 75).data[4]'); | |
22 if (window.testRunner) | |
23 testRunner.notifyDone(); | |
24 } | |
25 | |
26 canvas.toBlob(function(blob) { | |
27 url = URL.createObjectURL(blob); | |
28 newImg.src = url; | |
29 }); | |
30 | |
31 </script> | |
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