| <!DOCTYPE html> |
| <style> |
| canvas { |
| display: block; |
| position: fixed; |
| left: 0px; |
| top: 0px; |
| right: 0px; |
| bottom: 0px; |
| border: none; |
| width: 100px; |
| height: 100px; |
| margin: 0px; |
| padding: 0px; |
| image-rendering: -webkit-optimize-contrast; |
| } |
| </style> |
| <body> |
| <!-- The resulting image should be 100x100, consisting of 4 50x50 blocks of solid color, with no blurring of edges --> |
| <canvas width="2" height="2"></canvas> |
| </body> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsTextWithPixelResults(); |
| |
| var canvas; |
| var imageHandle; |
| canvas = document.getElementsByTagName("canvas")[0].getContext("2d"); |
| canvas.width = 2; |
| canvas.height = 2; |
| imageHandle = canvas.createImageData(2, 2); |
| |
| var index = 0; |
| var length = imageHandle.data.length; |
| |
| imageHandle.data[index++] = 255; |
| imageHandle.data[index++] = 0; |
| imageHandle.data[index++] = 0; |
| imageHandle.data[index++] = 255; |
| |
| imageHandle.data[index++] = 0; |
| imageHandle.data[index++] = 255; |
| imageHandle.data[index++] = 0; |
| imageHandle.data[index++] = 255; |
| |
| imageHandle.data[index++] = 0; |
| imageHandle.data[index++] = 0; |
| imageHandle.data[index++] = 255; |
| imageHandle.data[index++] = 255; |
| |
| imageHandle.data[index++] = 0; |
| imageHandle.data[index++] = 0; |
| imageHandle.data[index++] = 0; |
| imageHandle.data[index++] = 255; |
| |
| canvas.putImageData(imageHandle, 0, 0); |
| </script> |
