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1 <!DOCTYPE HTML> | 1 <!DOCTYPE HTML> |
2 <script src="../../fast/repaint/resources/text-based-repaint.js"></script> | |
3 <script> | 2 <script> |
4 if (window.internals) | 3 onload = function() { |
5 internals.settings.setPreferCompositingToLCDTextEnabled(true); | |
6 function repaintTest() { | |
7 document.getElementById('content').style.backgroundColor = 'green'; | |
8 var container = document.getElementById('container'); | 4 var container = document.getElementById('container'); |
9 container.scrollLeft = 2000; | 5 container.scrollLeft = 2000; |
10 container.scrollTop = 2000; | 6 container.scrollTop = 2000; |
11 } | 7 } |
12 window.onload = runRepaintTest; | 8 window.onload = runRepaintTest; |
13 </script> | 9 </script> |
14 <style> | 10 <style> |
15 #container { | 11 #container { |
16 width: 500px; | 12 width: 500px; |
17 height: 500px; | 13 height: 500px; |
18 overflow: scroll; | 14 overflow: scroll; |
19 } | 15 } |
20 #content { | 16 #content { |
21 width: 5000px; | 17 width: 5000px; |
22 height: 5000px; | 18 height: 5000px; |
23 background-color: red; | 19 background-color: green; |
24 } | 20 } |
25 </style> | 21 </style> |
26 <div id="container"> | 22 <div id="container"> |
27 <div id="content"> | 23 <div id="content"> |
28 Tests invalidation of scrolling layer. Passes if the repaint rect is not clipp
ed, | 24 Tests invalidation of scrolling layer. Passes if the repaint rect is not clipp
ed, |
29 and there is no red when the scrolling container is scrolled.<br> | 25 and there is no red when the scrolling container is scrolled.<br> |
30 Note for manual testing: must run with --enable-prefer-compositing-to-lcd-text | 26 Note for manual testing: must run with --enable-prefer-compositing-to-lcd-text |
31 on non-high-dpi machines to enable composited scrolling. | 27 on non-high-dpi machines to enable composited scrolling. |
32 </div> | 28 </div> |
33 </div> | 29 </div> |
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