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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/offscreencanvas2d/OffscreenCanvasRenderingContext2D.h" | 5 #include "modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.h" |
6 | 6 |
7 #include "bindings/modules/v8/UnionTypesModules.h" | 7 #include "bindings/modules/v8/UnionTypesModules.h" |
8 #include "core/frame/ImageBitmap.h" | 8 #include "core/frame/ImageBitmap.h" |
9 #include "platform/graphics/ImageBuffer.h" | 9 #include "platform/graphics/ImageBuffer.h" |
10 #include "platform/graphics/StaticBitmapImage.h" | 10 #include "platform/graphics/StaticBitmapImage.h" |
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26 | 26 |
27 DEFINE_TRACE(OffscreenCanvasRenderingContext2D) | 27 DEFINE_TRACE(OffscreenCanvasRenderingContext2D) |
28 { | 28 { |
29 CanvasRenderingContext::trace(visitor); | 29 CanvasRenderingContext::trace(visitor); |
30 BaseRenderingContext2D::trace(visitor); | 30 BaseRenderingContext2D::trace(visitor); |
31 } | 31 } |
32 | 32 |
33 // BaseRenderingContext2D implementation | 33 // BaseRenderingContext2D implementation |
34 bool OffscreenCanvasRenderingContext2D::originClean() const | 34 bool OffscreenCanvasRenderingContext2D::originClean() const |
35 { | 35 { |
36 return m_originClean; | 36 return getOffscreenCanvas()->originClean(); |
37 } | 37 } |
38 | 38 |
39 void OffscreenCanvasRenderingContext2D::setOriginTainted() | 39 void OffscreenCanvasRenderingContext2D::setOriginTainted() |
40 { | 40 { |
41 m_originClean = false; | 41 return getOffscreenCanvas()->setOriginTainted(); |
42 } | 42 } |
43 | 43 |
44 bool OffscreenCanvasRenderingContext2D::wouldTaintOrigin(CanvasImageSource* sour
ce, ScriptState* scriptState) | 44 bool OffscreenCanvasRenderingContext2D::wouldTaintOrigin(CanvasImageSource* sour
ce) |
45 { | 45 { |
46 if (scriptState->getExecutionContext()->isWorkerGlobalScope()) { | 46 ASSERT(getOffscreenCanvas()); |
| 47 if (getOffscreenCanvas()->getExecutionContext()->isWorkerGlobalScope()) { |
47 // Currently, we only support passing in ImageBitmap as source image in | 48 // Currently, we only support passing in ImageBitmap as source image in |
48 // drawImage() or createPattern() in a OffscreenCanvas2d in worker. | 49 // drawImage() or createPattern() in a OffscreenCanvas2d in worker. |
49 ASSERT(source->isImageBitmap()); | 50 ASSERT(source->isImageBitmap()); |
50 // ImageBitmap wouldTaintOrigin doesn't consider destinationSecurityOrig
in. | 51 // ImageBitmap wouldTaintOrigin doesn't consider destinationSecurityOrig
in. |
51 return source->wouldTaintOrigin(nullptr); | 52 return source->wouldTaintOrigin(nullptr); |
52 } | 53 } |
53 | 54 |
54 // TODO(crbug.com/606925): implement wouldTaintOrigin for OffscreenCanvas2d | 55 // TODO(crbug.com/606925): implement wouldTaintOrigin for OffscreenCanvas2d |
55 // on main thread | 56 // on main thread |
56 NOTIMPLEMENTED(); | 57 NOTIMPLEMENTED(); |
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84 return m_imageBuffer.get(); | 85 return m_imageBuffer.get(); |
85 } | 86 } |
86 | 87 |
87 ImageBitmap* OffscreenCanvasRenderingContext2D::transferToImageBitmap(ExceptionS
tate& exceptionState) | 88 ImageBitmap* OffscreenCanvasRenderingContext2D::transferToImageBitmap(ExceptionS
tate& exceptionState) |
88 { | 89 { |
89 if (!imageBuffer()) | 90 if (!imageBuffer()) |
90 return nullptr; | 91 return nullptr; |
91 // TODO: crbug.com/593514 Add support for GPU rendering | 92 // TODO: crbug.com/593514 Add support for GPU rendering |
92 RefPtr<SkImage> skImage = m_imageBuffer->newSkImageSnapshot(PreferNoAccelera
tion, SnapshotReasonUnknown); | 93 RefPtr<SkImage> skImage = m_imageBuffer->newSkImageSnapshot(PreferNoAccelera
tion, SnapshotReasonUnknown); |
93 RefPtr<StaticBitmapImage> image = StaticBitmapImage::create(skImage.release(
)); | 94 RefPtr<StaticBitmapImage> image = StaticBitmapImage::create(skImage.release(
)); |
| 95 image->setOriginClean(this->originClean()); |
94 m_imageBuffer.clear(); // "Transfer" means no retained buffer | 96 m_imageBuffer.clear(); // "Transfer" means no retained buffer |
95 return ImageBitmap::create(image.release()); | 97 return ImageBitmap::create(image.release()); |
96 } | 98 } |
97 | 99 |
98 void OffscreenCanvasRenderingContext2D::setOffscreenCanvasGetContextResult(Offsc
reenRenderingContext& result) | 100 void OffscreenCanvasRenderingContext2D::setOffscreenCanvasGetContextResult(Offsc
reenRenderingContext& result) |
99 { | 101 { |
100 result.setOffscreenCanvasRenderingContext2D(this); | 102 result.setOffscreenCanvasRenderingContext2D(this); |
101 } | 103 } |
102 | 104 |
103 bool OffscreenCanvasRenderingContext2D::parseColorOrCurrentColor(Color& color, c
onst String& colorString) const | 105 bool OffscreenCanvasRenderingContext2D::parseColorOrCurrentColor(Color& color, c
onst String& colorString) const |
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156 } | 158 } |
157 #endif | 159 #endif |
158 } | 160 } |
159 | 161 |
160 bool OffscreenCanvasRenderingContext2D::isContextLost() const | 162 bool OffscreenCanvasRenderingContext2D::isContextLost() const |
161 { | 163 { |
162 return false; | 164 return false; |
163 } | 165 } |
164 | 166 |
165 } | 167 } |
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