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| 1 <!-- Based on fast/repaint/canvas-resize.html --> | |
| 2 <!DOCTYPE html> | |
| 3 <style> | |
| 4 canvas { | |
| 5 position: absolute; | |
| 6 width: 600px; | |
| 7 height: 500px; | |
| 8 top: 50px; | |
| 9 left: 50px; | |
| 10 } | |
| 11 </style> | |
| 12 Tests paint invalidation of canvas when it's resized. Passes if there is a whole
green circle. | |
| 13 <canvas id="canvas" width="500" height="500"></canvas> | |
| 14 | |
| 15 <script src="resources/paint-invalidation-test.js"></script> | |
| 16 <script> | |
| 17 function paintInvalidationTest() { | |
| 18 document.getElementById('canvas').style.width = '500px'; | |
| 19 } | |
| 20 onload = runPaintInvalidationTest; | |
| 21 | |
| 22 var ctx = document.getElementById('canvas').getContext('2d'); | |
| 23 ctx.beginPath(); | |
| 24 ctx.arc(250, 250, 250, 0, 2 * Math.PI); | |
| 25 ctx.fillStyle = 'green'; | |
| 26 ctx.fill(); | |
| 27 </script> | |
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