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| (Empty) | |
| 1 <html> |
| 2 <head> |
| 3 <title>Ensure correct behavior of drawImage video elements on both software ca
nvas and accelerated canvas. crbug.com/424591</title> |
| 4 <style trpe="text/css"> |
| 5 video { |
| 6 display: none; |
| 7 } |
| 8 </style> |
| 9 </head> |
| 10 <body> |
| 11 <canvas id="hw-canvas" width=300 height=300></canvas> |
| 12 <canvas id="sw-canvas" width=150 height=150></canvas> |
| 13 <!-- |
| 14 If we creates two video elements for each canvas, each video caches sw bitma
p or |
| 15 hw bitmap respectively. So the -expected.html creates two videos. |
| 16 --> |
| 17 <video id="video-for-hw-canvas" loop> |
| 18 <source src="resources/canvas_video.mp4" type='video/mp4' /> |
| 19 <source src="resources/canvas_video.webm" type='video/webm' /> |
| 20 <source src="resources/canvas_video.ogv" type='video/ogg' /> |
| 21 </video> |
| 22 <video id="video-for-sw-canvas" loop> |
| 23 <source src="resources/canvas_video.mp4" type='video/mp4' /> |
| 24 <source src="resources/canvas_video.webm" type='video/webm' /> |
| 25 <source src="resources/canvas_video.ogv" type='video/ogg' /> |
| 26 </video> |
| 27 <script> |
| 28 if (window.testRunner) { |
| 29 testRunner.waitUntilDone(); |
| 30 } |
| 31 if (window.internals) |
| 32 window.internals.settings.setMinimumAccelerated2dCanvasSize(257*256); |
| 33 |
| 34 var hw_canvas = document.getElementById("hw-canvas"); |
| 35 var hw_ctx = hw_canvas.getContext("2d"); |
| 36 // Although enabling accelerated-2d-canvas, canvas with the dimension |
| 37 // less than 257*256 is not accelerated. |
| 38 var sw_canvas = document.getElementById("sw-canvas"); |
| 39 var sw_ctx = sw_canvas.getContext("2d"); |
| 40 |
| 41 var blockUntilPlayingBothVideo = true; |
| 42 var video_for_hw_canvas = document.getElementById("video-for-hw-canvas"); |
| 43 video_for_hw_canvas.addEventListener("playing", onHwVideoPlaying, true); |
| 44 video_for_hw_canvas.play(); |
| 45 function onHwVideoPlaying() { |
| 46 video_for_hw_canvas.removeEventListener("playing", onHwVideoPlaying, true); |
| 47 if (blockUntilPlayingBothVideo) { |
| 48 blockUntilPlayingBothVideo = false; |
| 49 } else { |
| 50 drawImageToCanvas(); |
| 51 } |
| 52 } |
| 53 var video_for_sw_canvas = document.getElementById("video-for-sw-canvas"); |
| 54 video_for_sw_canvas.addEventListener("playing", onSwVideoPlaying, true); |
| 55 video_for_sw_canvas.play(); |
| 56 function onSwVideoPlaying() { |
| 57 video_for_sw_canvas.removeEventListener("playing", onSwVideoPlaying, true); |
| 58 if (blockUntilPlayingBothVideo) { |
| 59 blockUntilPlayingBothVideo = false; |
| 60 } else { |
| 61 drawImageToCanvas(); |
| 62 } |
| 63 } |
| 64 |
| 65 function drawVideo(video, ctx, canvas) { |
| 66 ctx.globalAlpha = 1; |
| 67 ctx.fillStyle = "blue"; |
| 68 ctx.fillRect(0, 0, canvas.width, canvas.width); |
| 69 ctx.drawImage(video, 0, 0); |
| 70 ctx.globalAlpha = 0.5; |
| 71 ctx.drawImage(video, 0, 60); |
| 72 } |
| 73 |
| 74 function drawImageToCanvas() { |
| 75 // draw a different video on a different canvas. |
| 76 drawVideo(video_for_sw_canvas, sw_ctx, sw_canvas); |
| 77 drawVideo(video_for_hw_canvas, hw_ctx, hw_canvas); |
| 78 if (window.testRunner) |
| 79 testRunner.notifyDone(); |
| 80 } |
| 81 </script> |
| 82 </body> |
| 83 </html> |
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Chromium Code Reviews
Issue 656683007:
Add a layout test for potential bug on drawing video on SkCanvas (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master