| OLD | NEW |
|---|
| 1 <!doctype HTML> | 1 <!doctype HTML> |
| 2 <body> | 2 <body> |
| 3 <div style="height: 2000px; width: 2000px;"> | 3 <div style="height: 2000px; width: 2000px;"> |
| 4 <img id="targetImage"> | 4 <img id="targetImage"> |
| 5 </div> | 5 </div> |
| 6 <script src="../../fast/repaint/resources/text-based-repaint.js"></script> | 6 <script src="../../fast/repaint/resources/text-based-repaint.js"></script> |
| 7 <script> | 7 <script> |
| 8 window.testIsAsync = true; | 8 window.testIsAsync = true; |
| 9 | 9 |
| 10 // Steps: | |
| 11 // 1. Load the image | |
| 12 // 2. Start tracking paint invalidation rects | |
| 13 // 3. Call layoutAndPaintAsyncThen (via runRepaintTest, which does this for us)
to draw a frame | |
| 14 // 4. Wait longer than 100ms, so that the timer between the first and second ani
mated GIF | |
| 15 // frame expires and a paint invalidation is issued on the animated GIF. (100
ms is the | |
| 16 // length of the first frame of the animation in the GIF file.) | |
| 17 // 5. Stop tracking paint invalidation rects (finishRepaintTest does this for us
) | |
| 18 | |
| 19 // These steps differ from a standard repaint test in that step 2 precedes step
3. | |
| 20 // This is critical because layoutAndPaintAsyncThen may take longer than the 100
ms of the timer, | |
| 21 // so we may miss it. | |
| 22 | |
| 23 function repaintTest() { | 10 function repaintTest() { |
| 24 setTimeout(finishRepaintTest, 150); | 11 window.internals.advanceImageAnimation(targetImage); |
| 12 requestAnimationFrame(function() { |
| 13 finishRepaintTest(); |
| 14 }); |
| 25 } | 15 } |
| 26 | 16 |
| 27 function targetImageOnload() { | 17 function targetImageOnload() { |
| 28 if (window.internals) | 18 window.internals.startTrackingRepaints(document); |
| 29 window.internals.startTrackingRepaints(document); | |
| 30 runRepaintTest(); | 19 runRepaintTest(); |
| 31 } | 20 } |
| 32 | 21 |
| 33 window.onload = function() { | 22 window.onload = function() { |
| 34 targetImage.onload = targetImageOnload; | 23 targetImage.onload = targetImageOnload; |
| 35 targetImage.src="../../fast/backgrounds/resources/red-green-animated.gif"; | 24 targetImage.src="../../fast/backgrounds/resources/red-green-animated.gif"; |
| 36 } | 25 } |
| 37 </script> | 26 </script> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1304093006:
Add a new API for testing animated images (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master
