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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "modules/canvas/HTMLCanvasElementModule.h" | 5 #include "modules/canvas/HTMLCanvasElementModule.h" |
| 6 | 6 |
| 7 #include "core/dom/DOMNodeIds.h" | 7 #include "core/dom/DOMNodeIds.h" |
| 8 #include "core/html/canvas/CanvasContextCreationAttributes.h" | 8 #include "core/html/canvas/CanvasContextCreationAttributes.h" |
| 9 #include "core/html/canvas/CanvasRenderingContext.h" | 9 #include "core/html/canvas/CanvasRenderingContext.h" |
| 10 #include "core/offscreencanvas/OffscreenCanvas.h" | 10 #include "core/offscreencanvas/OffscreenCanvas.h" |
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| 58 "Cannot transfer control from a canvas that has a rendering context."); | 58 "Cannot transfer control from a canvas that has a rendering context."); |
| 59 return nullptr; | 59 return nullptr; |
| 60 } | 60 } |
| 61 OffscreenCanvas* offscreen_canvas = | 61 OffscreenCanvas* offscreen_canvas = |
| 62 OffscreenCanvas::Create(canvas.width(), canvas.height()); | 62 OffscreenCanvas::Create(canvas.width(), canvas.height()); |
| 63 | 63 |
| 64 int canvas_id = DOMNodeIds::IdForNode(&canvas); | 64 int canvas_id = DOMNodeIds::IdForNode(&canvas); |
| 65 offscreen_canvas->SetPlaceholderCanvasId(canvas_id); | 65 offscreen_canvas->SetPlaceholderCanvasId(canvas_id); |
| 66 canvas.RegisterPlaceholder(canvas_id); | 66 canvas.RegisterPlaceholder(canvas_id); |
| 67 | 67 |
| 68 CanvasSurfaceLayerBridge* bridge = canvas.SurfaceLayerBridge(); | 68 SurfaceLayerBridge* bridge = canvas.SurfaceLayerBridge(); |
| 69 if (bridge) { | 69 if (bridge) { |
| 70 offscreen_canvas->SetFrameSinkId(bridge->GetFrameSinkId().client_id(), | 70 offscreen_canvas->SetFrameSinkId(bridge->GetFrameSinkId().client_id(), |
| 71 bridge->GetFrameSinkId().sink_id()); | 71 bridge->GetFrameSinkId().sink_id()); |
| 72 } | 72 } |
| 73 return offscreen_canvas; | 73 return offscreen_canvas; |
| 74 } | 74 } |
| 75 } | 75 } |
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