OLD | NEW |
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/OffscreenCanvasRenderingContext2DOrWebGLRenderingC
ontextOrWebGL2RenderingContext.h" | 7 #include "bindings/modules/v8/OffscreenCanvasRenderingContext2DOrWebGLRenderingC
ontextOrWebGL2RenderingContext.h" |
8 #include "core/frame/ImageBitmap.h" | 8 #include "core/frame/ImageBitmap.h" |
9 #include "core/frame/Settings.h" | 9 #include "core/frame/Settings.h" |
10 #include "core/workers/WorkerGlobalScope.h" | 10 #include "core/workers/WorkerGlobalScope.h" |
(...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
46 | 46 |
47 void OffscreenCanvasRenderingContext2D::commit(ExceptionState& exceptionState) | 47 void OffscreenCanvasRenderingContext2D::commit(ExceptionState& exceptionState) |
48 { | 48 { |
49 if (getOffscreenCanvas()->getAssociatedCanvasId() < 0) { | 49 if (getOffscreenCanvas()->getAssociatedCanvasId() < 0) { |
50 // If an OffscreenCanvas has no associated canvas Id, it indicates that | 50 // If an OffscreenCanvas has no associated canvas Id, it indicates that |
51 // it is not an OffscreenCanvas created by transfering control from html | 51 // it is not an OffscreenCanvas created by transfering control from html |
52 // canvas. | 52 // canvas. |
53 exceptionState.throwDOMException(InvalidStateError, "Commit() was called
on a context whose OffscreenCanvas is not associated with a canvas element."); | 53 exceptionState.throwDOMException(InvalidStateError, "Commit() was called
on a context whose OffscreenCanvas is not associated with a canvas element."); |
54 return; | 54 return; |
55 } | 55 } |
56 getOffscreenCanvas()->getOrCreateFrameDispatcher()->dispatchFrame(nullptr); | 56 RefPtr<StaticBitmapImage> image = this->transferToStaticBitmapImage(); |
| 57 getOffscreenCanvas()->getOrCreateFrameDispatcher()->dispatchFrame(std::move(
image)); |
57 } | 58 } |
58 | 59 |
59 // BaseRenderingContext2D implementation | 60 // BaseRenderingContext2D implementation |
60 bool OffscreenCanvasRenderingContext2D::originClean() const | 61 bool OffscreenCanvasRenderingContext2D::originClean() const |
61 { | 62 { |
62 return getOffscreenCanvas()->originClean(); | 63 return getOffscreenCanvas()->originClean(); |
63 } | 64 } |
64 | 65 |
65 void OffscreenCanvasRenderingContext2D::setOriginTainted() | 66 void OffscreenCanvasRenderingContext2D::setOriginTainted() |
66 { | 67 { |
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
117 | 118 |
118 if (m_needsMatrixClipRestore) { | 119 if (m_needsMatrixClipRestore) { |
119 restoreMatrixClipStack(m_imageBuffer->canvas()); | 120 restoreMatrixClipStack(m_imageBuffer->canvas()); |
120 nonConstThis->m_needsMatrixClipRestore = false; | 121 nonConstThis->m_needsMatrixClipRestore = false; |
121 } | 122 } |
122 } | 123 } |
123 | 124 |
124 return m_imageBuffer.get(); | 125 return m_imageBuffer.get(); |
125 } | 126 } |
126 | 127 |
127 ImageBitmap* OffscreenCanvasRenderingContext2D::transferToImageBitmap(ExceptionS
tate& exceptionState) | 128 RefPtr<StaticBitmapImage> OffscreenCanvasRenderingContext2D::transferToStaticBit
mapImage() |
128 { | 129 { |
129 if (!imageBuffer()) | 130 if (!imageBuffer()) |
130 return nullptr; | 131 return nullptr; |
131 sk_sp<SkImage> skImage = m_imageBuffer->newSkImageSnapshot(PreferAcceleratio
n, SnapshotReasonTransferToImageBitmap); | 132 sk_sp<SkImage> skImage = m_imageBuffer->newSkImageSnapshot(PreferAcceleratio
n, SnapshotReasonTransferToImageBitmap); |
132 RefPtr<StaticBitmapImage> image = StaticBitmapImage::create(std::move(skImag
e)); | 133 RefPtr<StaticBitmapImage> image = StaticBitmapImage::create(std::move(skImag
e)); |
133 image->setOriginClean(this->originClean()); | 134 image->setOriginClean(this->originClean()); |
| 135 return image; |
| 136 } |
| 137 |
| 138 ImageBitmap* OffscreenCanvasRenderingContext2D::transferToImageBitmap(ExceptionS
tate& exceptionState) |
| 139 { |
| 140 RefPtr<StaticBitmapImage> image = transferToStaticBitmapImage(); |
| 141 if (!image) |
| 142 return nullptr; |
134 m_imageBuffer.reset(); // "Transfer" means no retained buffer | 143 m_imageBuffer.reset(); // "Transfer" means no retained buffer |
135 m_needsMatrixClipRestore = true; | 144 m_needsMatrixClipRestore = true; |
136 return ImageBitmap::create(image.release()); | 145 return ImageBitmap::create(std::move(image)); |
137 } | 146 } |
138 | 147 |
139 PassRefPtr<Image> OffscreenCanvasRenderingContext2D::getImage(AccelerationHint h
int, SnapshotReason reason) const | 148 PassRefPtr<Image> OffscreenCanvasRenderingContext2D::getImage(AccelerationHint h
int, SnapshotReason reason) const |
140 { | 149 { |
141 if (!imageBuffer()) | 150 if (!imageBuffer()) |
142 return nullptr; | 151 return nullptr; |
143 sk_sp<SkImage> skImage = m_imageBuffer->newSkImageSnapshot(hint, reason); | 152 sk_sp<SkImage> skImage = m_imageBuffer->newSkImageSnapshot(hint, reason); |
144 RefPtr<StaticBitmapImage> image = StaticBitmapImage::create(std::move(skImag
e)); | 153 RefPtr<StaticBitmapImage> image = StaticBitmapImage::create(std::move(skImag
e)); |
145 return image; | 154 return image; |
146 } | 155 } |
(...skipping 63 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
210 bool OffscreenCanvasRenderingContext2D::isContextLost() const | 219 bool OffscreenCanvasRenderingContext2D::isContextLost() const |
211 { | 220 { |
212 return false; | 221 return false; |
213 } | 222 } |
214 | 223 |
215 bool OffscreenCanvasRenderingContext2D::isPaintable() const | 224 bool OffscreenCanvasRenderingContext2D::isPaintable() const |
216 { | 225 { |
217 return this->imageBuffer(); | 226 return this->imageBuffer(); |
218 } | 227 } |
219 } | 228 } |
OLD | NEW |