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1 <!-- Test for https://bugs.webkit.org/show_bug.cgi?id=46319 --> | |
2 <head> | |
3 <script src="resources/text-based-repaint.js"></script> | |
4 </head> | |
5 <body> | |
6 <canvas id="canvas" width="100" height="100"></canvas> | |
7 <script> | |
8 var canvas = document.getElementById('canvas'); | |
9 var ctx = canvas.getContext('2d'); | |
10 | |
11 // prepare imagedata | |
12 ctx.fillStyle = "rgb(255, 0, 0)"; ctx.fillRect(0, 0, 100, 100); // red b
ackground | |
13 ctx.fillStyle = "rgb(0, 255, 0)"; ctx.fillRect(10, 10, 10, 10); // inset
green square | |
14 var imageDataGreen = ctx.getImageData(10, 10, 10, 10); | |
15 var imageDataRedWithInsetGreen = ctx.getImageData(0, 0, 30, 30); | |
16 | |
17 // clear canvas to dark green | |
18 ctx.fillStyle = "rgb(0, 128, 0)"; | |
19 ctx.fillRect(0, 0, 100, 100); | |
20 | |
21 // fill target locations with dark red | |
22 ctx.fillStyle = "rgb(128, 0, 0)"; | |
23 ctx.fillRect(0, 0, 10, 10); | |
24 ctx.fillRect(40, 40, 10, 10); | |
25 ctx.fillRect(80, 80, 10, 10); | |
26 window.testIsAsync = true; | |
27 | |
28 function repaintTest() | |
29 { | |
30 // patch up red squares with putImageData | |
31 ctx.putImageData(imageDataGreen, 0, 0); | |
32 ctx.putImageData(imageDataGreen, 40, 40); | |
33 ctx.putImageData(imageDataRedWithInsetGreen, 70, 70, 10, 10, 10, 10)
; | |
34 // Because canvas invalidations are processed at the end of the curr
ent task, | |
35 // the repaint test has to end in a subsequent task in order to capt
ure the repaint. | |
36 setTimeout(finishRepaintTest, 0); | |
37 } | |
38 | |
39 window.onload = runRepaintAndPixelTest; | |
40 </script> | |
41 </body> | |
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