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1 /* | 1 /* |
2 * Copyright (C) 2004, 2006, 2009, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2006, 2009, 2010 Apple Inc. All rights reserved. |
3 * Copyright (C) 2007 Alp Toker <alp@atoker.com> | 3 * Copyright (C) 2007 Alp Toker <alp@atoker.com> |
4 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. | 4 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. |
5 * | 5 * |
6 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
7 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
8 * are met: | 8 * are met: |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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107 | 107 |
108 GraphicsContext* drawingContext() const; | 108 GraphicsContext* drawingContext() const; |
109 GraphicsContext* existingDrawingContext() const; | 109 GraphicsContext* existingDrawingContext() const; |
110 | 110 |
111 CanvasRenderingContext* renderingContext() const { return m_context.get(); } | 111 CanvasRenderingContext* renderingContext() const { return m_context.get(); } |
112 | 112 |
113 void ensureUnacceleratedImageBuffer(); | 113 void ensureUnacceleratedImageBuffer(); |
114 ImageBuffer* buffer() const; | 114 ImageBuffer* buffer() const; |
115 Image* copiedImage() const; | 115 Image* copiedImage() const; |
116 void clearCopiedImage(); | 116 void clearCopiedImage(); |
117 PassRefPtrWillBeRawPtr<ImageData> getImageData(); | 117 PassRefPtrWillBeRawPtr<ImageData> getImageData() const; |
118 void makePresentationCopy(); | 118 void makePresentationCopy(); |
119 void clearPresentationCopy(); | 119 void clearPresentationCopy(); |
120 | 120 |
121 SecurityOrigin* securityOrigin() const; | 121 SecurityOrigin* securityOrigin() const; |
122 bool originClean() const { return m_originClean; } | 122 bool originClean() const { return m_originClean; } |
123 void setOriginTainted() { m_originClean = false; } | 123 void setOriginTainted() { m_originClean = false; } |
124 | 124 |
125 AffineTransform baseTransform() const; | 125 AffineTransform baseTransform() const; |
126 | 126 |
127 bool is3D() const; | 127 bool is3D() const; |
128 | 128 |
129 bool hasImageBuffer() const { return m_imageBuffer; } | 129 bool hasImageBuffer() const { return m_imageBuffer; } |
130 bool hasValidImageBuffer() const; | 130 bool hasValidImageBuffer() const; |
131 void discardImageBuffer(); | 131 void discardImageBuffer(); |
132 | 132 |
133 bool shouldAccelerate(const IntSize&) const; | 133 bool shouldAccelerate(const IntSize&) const; |
134 | 134 |
| 135 virtual const AtomicString imageSourceURL() const OVERRIDE; |
| 136 |
135 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; | 137 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; |
136 | 138 |
137 // DocumentVisibilityObserver implementation | 139 // DocumentVisibilityObserver implementation |
138 virtual void didChangeVisibilityState(PageVisibilityState) OVERRIDE; | 140 virtual void didChangeVisibilityState(PageVisibilityState) OVERRIDE; |
139 | 141 |
140 // CanvasImageSource implementation | 142 // CanvasImageSource implementation |
141 virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceIma
geStatus*) const OVERRIDE; | 143 virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceIma
geStatus*) const OVERRIDE; |
142 virtual bool wouldTaintOrigin(SecurityOrigin*) const OVERRIDE; | 144 virtual bool wouldTaintOrigin(SecurityOrigin*) const OVERRIDE; |
143 virtual FloatSize sourceSize() const OVERRIDE; | 145 virtual FloatSize sourceSize() const OVERRIDE; |
144 | 146 |
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161 void createImageBuffer(); | 163 void createImageBuffer(); |
162 void createImageBufferInternal(); | 164 void createImageBufferInternal(); |
163 void clearImageBuffer(); | 165 void clearImageBuffer(); |
164 | 166 |
165 void setSurfaceSize(const IntSize&); | 167 void setSurfaceSize(const IntSize&); |
166 | 168 |
167 bool paintsIntoCanvasBuffer() const; | 169 bool paintsIntoCanvasBuffer() const; |
168 | 170 |
169 void updateExternallyAllocatedMemory() const; | 171 void updateExternallyAllocatedMemory() const; |
170 | 172 |
| 173 String toDataURLInternal(const String& mimeType, const double* quality) cons
t; |
| 174 |
171 HashSet<CanvasObserver*> m_observers; | 175 HashSet<CanvasObserver*> m_observers; |
172 | 176 |
173 IntSize m_size; | 177 IntSize m_size; |
174 | 178 |
175 OwnPtr<CanvasRenderingContext> m_context; | 179 OwnPtr<CanvasRenderingContext> m_context; |
176 | 180 |
177 bool m_rendererIsCanvas; | 181 bool m_rendererIsCanvas; |
178 | 182 |
179 bool m_ignoreReset; | 183 bool m_ignoreReset; |
180 bool m_accelerationDisabled; | 184 bool m_accelerationDisabled; |
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191 OwnPtr<ImageBuffer> m_imageBuffer; | 195 OwnPtr<ImageBuffer> m_imageBuffer; |
192 mutable OwnPtr<GraphicsContextStateSaver> m_contextStateSaver; | 196 mutable OwnPtr<GraphicsContextStateSaver> m_contextStateSaver; |
193 | 197 |
194 mutable RefPtr<Image> m_presentedImage; | 198 mutable RefPtr<Image> m_presentedImage; |
195 mutable RefPtr<Image> m_copiedImage; // FIXME: This is temporary for platfor
ms that have to copy the image buffer to render (and for CSSCanvasValue). | 199 mutable RefPtr<Image> m_copiedImage; // FIXME: This is temporary for platfor
ms that have to copy the image buffer to render (and for CSSCanvasValue). |
196 }; | 200 }; |
197 | 201 |
198 } //namespace | 202 } //namespace |
199 | 203 |
200 #endif | 204 #endif |
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