| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| .container { |
| position: relative; |
| height: 200px; |
| width: 200px; |
| margin: 10px; |
| } |
| |
| .composited { |
| -webkit-transform: translateZ(0); |
| } |
| |
| .child { |
| position: absolute; |
| height: 180px; |
| width: 180px; |
| margin: 10px; |
| } |
| |
| .masked { |
| -webkit-mask: linear-gradient(black, transparent); |
| } |
| |
| .grandchild { |
| position: absolute; |
| top: 10px; |
| left: 10px; |
| width: 150px; |
| height: 150px; |
| background-color: silver; |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| function dumpLayers() |
| { |
| var layersResult = document.getElementById('layers'); |
| if (window.testRunner) |
| layersResult.innerText = window.internals.layerTreeAsText(document); |
| } |
| |
| window.addEventListener('load', dumpLayers, false) |
| </script> |
| </head> |
| <body> |
| <div class="composited container"><div class="masked child"></div></div> |
| <div class="composited container"><div class="masked child"><div class="grandchild"></div></div></div> |
| |
| <pre id="layers">Layer tree goes here in DRT</pre> |
| </body> |
| </html> |
