| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .composited { |
| will-change: transform; |
| } |
| .border { |
| border: 2px solid blue; |
| } |
| </style> |
| <script> |
| var layerText = ''; |
| |
| function layerTreeText(message) { |
| return message + '\n\n' + internals.layerTreeAsText(document) + '\n'; |
| } |
| |
| function load(element) { |
| if (window.testRunner) |
| layerText += layerTreeText('layer tree before image style change'); |
| |
| document.querySelector('img').classList.add('border'); |
| if (window.testRunner) |
| setTimeout(done, 0); |
| } |
| |
| function done() { |
| result.innerText = layerText + layerTreeText('layer tree after image style change'); |
| testRunner.notifyDone(); |
| } |
| |
| if (window.testRunner) { |
| testRunner.waitUntilDone(); |
| testRunner.dumpAsText(); |
| } |
| </script> |
| </head> |
| |
| <!-- The image should have a blue border, and its composited layer.drawsContent should be true --> |
| <body> |
| <img class="composited" onload="load(this)" src="../../images/resources/green-256x256.jpg"> |
| <pre id="result"></pre> |
| </body> |
| </html> |
