OLD | NEW |
---|---|
(Empty) | |
1 <!DOCTYPE HTML> | |
Ken Russell (switch to Gerrit)
2016/12/20 06:01:24
Is it worth naming the new test something like "..
xlai (Olivia)
2016/12/20 18:13:38
Done.
| |
2 | |
3 <!-- READ BEFORE UPDATING: | |
4 If this test is updated make sure to increment the "revision" value of the | |
5 associated test in content/test/gpu/page_sets/pixel_tests.py. This will ensure | |
Ken Russell (switch to Gerrit)
2016/12/20 06:01:24
Could you update the comment to point to content/t
xlai (Olivia)
2016/12/20 18:13:38
Done.
| |
6 that the baseline images are regenerated on the next run. | |
7 --> | |
8 | |
9 <html> | |
10 <head> | |
11 <title>OffscreenCanvas 2d commit flow with resizing: 100X200 canvas as a result. </title> | |
12 <style type="text/css"> | |
13 .nomargin { | |
14 margin: 0px auto; | |
15 } | |
16 </style> | |
17 <script id="myWorker" type="text/worker"> | |
18 self.onmessage = function(e) { | |
19 var transfered = e.data; | |
20 var ctx2d = transfered.getContext('2d'); | |
21 ctx2d.fillStyle = "purple"; | |
22 ctx2d.fillRect(0, 0, transfered.width, transfered.height); | |
23 ctx2d.commit(); | |
24 | |
25 // Resize offscreenCanvas from 150X150 to 100X200. | |
26 transfered.width = 100; | |
27 transfered.height = 200; | |
28 ctx2d.fillStyle = "green"; | |
29 ctx2d.fillRect(0, 0, transfered.width, transfered.height); | |
30 ctx2d.commit(); | |
31 | |
32 self.postMessage(""); | |
33 }; | |
34 </script> | |
35 <script> | |
36 var g_swapsBeforeAck = 15; | |
37 | |
38 function makeWorker(script) | |
39 { | |
40 var blob = new Blob([script]); | |
41 return new Worker(URL.createObjectURL(blob)); | |
42 } | |
43 | |
44 function waitForFinish() | |
45 { | |
46 if (g_swapsBeforeAck == 0) { | |
47 domAutomationController.setAutomationId(1); | |
48 domAutomationController.send("SUCCESS"); | |
49 } else { | |
50 g_swapsBeforeAck--; | |
51 document.getElementById('container').style.zIndex = g_swapsBeforeAck + 1; | |
52 window.webkitRequestAnimationFrame(waitForFinish); | |
53 } | |
54 } | |
55 | |
56 function main() | |
57 { | |
58 var canvas2D = document.getElementById("c"); | |
59 var offscreenCanvas = canvas2D.transferControlToOffscreen(); | |
60 var worker = makeWorker(document.getElementById("myWorker").textContent); | |
61 worker.postMessage(offscreenCanvas, [offscreenCanvas]); | |
62 worker.onmessage = function (e) { | |
Ken Russell (switch to Gerrit)
2016/12/20 06:01:24
The fact that the onmessage handler is set after c
xlai (Olivia)
2016/12/20 18:13:38
Done. I will follow up with another CL that edits
| |
63 waitForFinish(); | |
64 }; | |
65 } | |
66 </script> | |
67 </head> | |
68 <body onload="main()"> | |
69 <div style="position:relative; width:200px; height:200px; background-color:white "> | |
70 </div> | |
71 <div id="container" style="position:absolute; top:0px; left:0px"> | |
72 <canvas id="c" width="150" height="150" class="nomargin"></canvas> | |
73 </div> | |
74 </body> | |
75 </html> | |
OLD | NEW |