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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> | 1 <script src="../../resources/testharness.js"></script> |
2 <html> | 2 <script src="../../resources/testharnessreport.js"></script> |
3 <head> | |
4 <script src="../../resources/js-test.js"></script> | |
5 </head> | |
6 <body> | 3 <body> |
7 <script src="script-tests/canvas-copyPixels.js"></script> | 4 <script> |
| 5 test(function(t) { |
| 6 var ctx = document.createElement('canvas').getContext('2d'); |
| 7 |
| 8 ctx.fillStyle = "red"; |
| 9 ctx.fillRect(0,0,50,20); |
| 10 ctx.fillStyle = "green"; |
| 11 ctx.fillRect(50,0,50,20); |
| 12 ctx.fillStyle = "blue"; |
| 13 ctx.fillRect(100,0,50,20); |
| 14 |
| 15 var data = ctx.getImageData(0,0,150,20); |
| 16 ctx.putImageData(data, 0, 20); |
| 17 |
| 18 var imageData = ctx.getImageData(1, 21, 48, 18); |
| 19 var imgdata = imageData.data; |
| 20 assert_equals(imgdata[4], 255); |
| 21 assert_equals(imgdata[5], 0); |
| 22 assert_equals(imgdata[6], 0); |
| 23 |
| 24 imageData = ctx.getImageData(51, 21, 48, 18); |
| 25 imgdata = imageData.data; |
| 26 assert_equals(imgdata[4], 0); |
| 27 assert_equals(imgdata[5], 128); |
| 28 assert_equals(imgdata[6], 0); |
| 29 |
| 30 imageData = ctx.getImageData(101, 21, 48, 18); |
| 31 imgdata = imageData.data; |
| 32 assert_equals(imgdata[4], 0); |
| 33 assert_equals(imgdata[5], 0); |
| 34 assert_equals(imgdata[6], 255); |
| 35 }, "Test if putImageData gives back the same result as getImageData"); |
| 36 </script> |
8 </body> | 37 </body> |
9 </html> | |
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