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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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