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1 <!DOCTYPE html> | |
2 <style> | |
3 canvas { | |
4 width: 100px; | |
5 height: 100px; | |
6 image-rendering: pixelated; | |
7 } | |
8 </style> | |
9 <body> | |
10 <!-- The resulting image should be 100x100, consisting of 4 50x50 blocks of
solid color, with no blurring of edges --> | |
11 <canvas width="2" height="2"></canvas> | |
12 </body> | |
13 <script> | |
14 // Ignore the render tree. | |
15 if (window.testRunner) | |
16 window.testRunner.dumpAsTextWithPixelResults(); | |
17 | |
18 var canvas; | |
19 var imageHandle; | |
20 canvas = document.getElementsByTagName("canvas")[0].getContext("2d"); | |
21 canvas.width = 2; | |
22 canvas.height = 2; | |
23 imageHandle = canvas.createImageData(2, 2); | |
24 | |
25 var index = 0; | |
26 var length = imageHandle.data.length; | |
27 | |
28 imageHandle.data[index++] = 255; | |
29 imageHandle.data[index++] = 0; | |
30 imageHandle.data[index++] = 0; | |
31 imageHandle.data[index++] = 255; | |
32 | |
33 imageHandle.data[index++] = 0; | |
34 imageHandle.data[index++] = 255; | |
35 imageHandle.data[index++] = 0; | |
36 imageHandle.data[index++] = 255; | |
37 | |
38 imageHandle.data[index++] = 0; | |
39 imageHandle.data[index++] = 0; | |
40 imageHandle.data[index++] = 255; | |
41 imageHandle.data[index++] = 255; | |
42 | |
43 imageHandle.data[index++] = 0; | |
44 imageHandle.data[index++] = 0; | |
45 imageHandle.data[index++] = 0; | |
46 imageHandle.data[index++] = 255; | |
47 | |
48 canvas.putImageData(imageHandle, 0, 0); | |
49 </script> | |
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