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|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <html lang="en"> |
| 3 <head> |
| 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
| 5 <title>Canvas Incremental Repaint</title> |
| 6 <style type="text/css" media="screen"> |
| 7 canvas { |
| 8 width: 300px; |
| 9 height: 300px; |
| 10 border: 20px solid green; |
| 11 padding: 10px; |
| 12 background-color: green; |
| 13 } |
| 14 </style> |
| 15 <script src="../../resources/run-after-layout-and-paint.js"></script> |
| 16 <script type="text/javascript" charset="utf-8"> |
| 17 |
| 18 if (window.testRunner) { |
| 19 testRunner.dumpAsTextWithPixelResults(); |
| 20 testRunner.waitUntilDone(); |
| 21 } |
| 22 |
| 23 var canvas; |
| 24 var ctx; |
| 25 |
| 26 function beginTest() |
| 27 { |
| 28 canvas = document.getElementById('canvas1'); |
| 29 ctx = canvas.getContext('2d'); |
| 30 canvas.width = 300; |
| 31 canvas.height = 300; |
| 32 ctx.fillStyle = 'red'; |
| 33 ctx.fillRect(0, 0, 300, 300); |
| 34 runAfterLayoutAndPaint(repaintTest) |
| 35 } |
| 36 |
| 37 function repaintTest() |
| 38 { |
| 39 ctx.fillStyle = 'green'; |
| 40 ctx.fillRect(0, 0, 300, 300); |
| 41 if (window.testRunner) { |
| 42 testRunner.notifyDone(); |
| 43 } |
| 44 } |
| 45 </script> |
| 46 </head> |
| 47 <body onload="beginTest()"> |
| 48 <p>Expect a solid green square below this text.</p> |
| 49 <canvas id="canvas1"></canvas> |
| 50 </body> |
| 51 </html> |
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Chromium Code Reviews
Issue 1149973006:
Fix incorrect paint invalidations with accelerated 2D canvas (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master