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Side by Side Diff: third_party/WebKit/Source/modules/canvas/HTMLCanvasElementModule.cpp

Issue 1928043002: Add drawImage() originClean() getSecurityOrigin() to OffscreenCanvas (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase master and Edited based on haraken's comment Created 4 years, 7 months ago
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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"
11 11
12 namespace blink { 12 namespace blink {
13 13
14 void HTMLCanvasElementModule::getContext(HTMLCanvasElement& canvas, const String & type, const CanvasContextCreationAttributes& attributes, RenderingContext& res ult) 14 void HTMLCanvasElementModule::getContext(HTMLCanvasElement& canvas, const String & type, const CanvasContextCreationAttributes& attributes, RenderingContext& res ult)
15 { 15 {
16 CanvasRenderingContext* context = canvas.getCanvasRenderingContext(type, att ributes); 16 CanvasRenderingContext* context = canvas.getCanvasRenderingContext(type, att ributes);
17 if (context) { 17 if (context) {
18 context->setCanvasGetContextResult(result); 18 context->setCanvasGetContextResult(result);
19 } 19 }
20 } 20 }
21 21
22 OffscreenCanvas* HTMLCanvasElementModule::transferControlToOffscreen(HTMLCanvasE lement& canvas, ExceptionState& exceptionState) 22 OffscreenCanvas* HTMLCanvasElementModule::transferControlToOffscreen(ExecutionCo ntext* executionContext, HTMLCanvasElement& canvas, ExceptionState& exceptionSta te)
23 { 23 {
24 if (canvas.renderingContext()) { 24 if (canvas.renderingContext()) {
25 exceptionState.throwDOMException(InvalidStateError, "Cannot transfer con trol from a canvas that has a rendering context."); 25 exceptionState.throwDOMException(InvalidStateError, "Cannot transfer con trol from a canvas that has a rendering context.");
26 return nullptr; 26 return nullptr;
27 } 27 }
28 OffscreenCanvas* offscreenCanvas = OffscreenCanvas::create(canvas.width(), c anvas.height()); 28 OffscreenCanvas* offscreenCanvas = OffscreenCanvas::create(executionContext, canvas.width(), canvas.height());
29 offscreenCanvas->setAssociatedCanvasId(DOMNodeIds::idForNode(&canvas)); 29 offscreenCanvas->setAssociatedCanvasId(DOMNodeIds::idForNode(&canvas));
30 return offscreenCanvas; 30 return offscreenCanvas;
31 } 31 }
32 32
33 } 33 }
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