| <!DOCTYPE html> |
| <html> |
| <script src="../resources/run-after-layout-and-paint.js"></script> |
| |
| <style> |
| canvas { transform: translateZ(0); } |
| img, canvas { margin: 5px; width: 48% } |
| </style> |
| |
| <body style="overflow: hidden"> |
| <!-- The _blue_ sector of the <img> image should be at 12 o'clock. --> |
| <img> |
| <!-- The red sector of the <canvas> image should be at 12 o'clock. --> |
| <canvas></canvas> |
| </body> |
| |
| <script> |
| window.onload = function() { |
| var image = document.querySelector('img'); |
| |
| image.onload = function() { |
| runAfterLayoutAndPaint(drawImagePatternToCanvas); |
| }; |
| |
| image.src = 'resources/red-at-12-oclock-with-color-profile.jpg'; |
| }; |
| |
| function drawImagePatternToCanvas() { |
| var canvas = document.querySelector('canvas'); |
| var ctx = canvas.getContext('2d'); |
| var pattern = ctx.createPattern(document.querySelector('img'), null); |
| var scale = 0.1870; |
| |
| ctx.clearRect(0, 0, canvas.width = 300, canvas.height = 300); |
| ctx.save(); |
| ctx.scale(scale, scale); |
| ctx.fillStyle = pattern; |
| ctx.fillRect(0, 0, canvas.width / scale, canvas.height / scale); |
| ctx.restore(); |
| |
| if (window.testRunner) |
| window.testRunner.notifyDone(); |
| } |
| |
| if (window.testRunner) { |
| testRunner.dumpAsTextWithPixelResults(); |
| testRunner.waitUntilDone(); |
| } |
| </script> |
| </html> |