The Tor Browser / file comparison
comparison: layout/reftests/bugs/670442-1-ref.html
layout/reftests/bugs/670442-1-ref.html
- branch
- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
equal
deleted
inserted
replaced
| -1:000000000000 | 0:04cf851d24ba |
|---|---|
| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <body> | |
| 4 <div> | |
| 5 <canvas id="c1" width="400" height="400"></canvas> | |
| 6 <canvas id="c2" width="400" height="400"></canvas> | |
| 7 </div> | |
| 8 <script type="text/javascript"> | |
| 9 var canv1 = document.getElementById('c1'); | |
| 10 var canv2 = document.getElementById('c2'); | |
| 11 var ctx1 = canv1.getContext('2d'); | |
| 12 var ctx2 = canv2.getContext('2d'); | |
| 13 | |
| 14 ctx1.strokeStyle = '#FF0000'; | |
| 15 ctx1.moveTo(10, 10); | |
| 16 ctx1.lineTo(390, 390); | |
| 17 ctx1.stroke(); | |
| 18 | |
| 19 function doTest() | |
| 20 { | |
| 21 // Save img data | |
| 22 var imgData = ctx1.getImageData(0, 0, canv1.width, canv1.height); | |
| 23 | |
| 24 // Resize canvas - seems to cause the bug | |
| 25 canv1.width = 0; | |
| 26 canv1.height = 0; | |
| 27 canv1.width = 400; | |
| 28 canv1.height = 400; | |
| 29 | |
| 30 // Put image data from ctx1 to ctx2 | |
| 31 ctx2.putImageData(imgData, 0, 0); | |
| 32 | |
| 33 // Draw canvas2 on canvas1 | |
| 34 ctx1.drawImage(canv2, 0, 0); | |
| 35 }; | |
| 36 | |
| 37 doTest(); | |
| 38 </script> | |
| 39 </body> | |
| 40 </html> |
