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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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186 | 186 |
187 PassOwnPtr<ImageBufferSurface> createImageBufferSurface(const IntSize& devic
eSize, int* msaaSampleCount); | 187 PassOwnPtr<ImageBufferSurface> createImageBufferSurface(const IntSize& devic
eSize, int* msaaSampleCount); |
188 void createImageBuffer(); | 188 void createImageBuffer(); |
189 void createImageBufferInternal(PassOwnPtr<ImageBufferSurface> externalSurfac
e); | 189 void createImageBufferInternal(PassOwnPtr<ImageBufferSurface> externalSurfac
e); |
190 bool shouldUseDisplayList(const IntSize& deviceSize); | 190 bool shouldUseDisplayList(const IntSize& deviceSize); |
191 | 191 |
192 void setSurfaceSize(const IntSize&); | 192 void setSurfaceSize(const IntSize&); |
193 | 193 |
194 bool paintsIntoCanvasBuffer() const; | 194 bool paintsIntoCanvasBuffer() const; |
195 | 195 |
196 ImageData* toImageData(SourceDrawingBuffer) const; | 196 ImageData* toImageData(SourceDrawingBuffer, ExceptionState&) const; |
197 String toDataURLInternal(const String& mimeType, const double& quality, Sour
ceDrawingBuffer) const; | 197 String toDataURLInternal(const String& mimeType, const double& quality, Sour
ceDrawingBuffer, ExceptionState&) const; |
198 | 198 |
199 IntSize m_size; | 199 IntSize m_size; |
200 | 200 |
201 OwnPtrWillBeMember<CanvasRenderingContext> m_context; | 201 OwnPtrWillBeMember<CanvasRenderingContext> m_context; |
202 | 202 |
203 bool m_ignoreReset; | 203 bool m_ignoreReset; |
204 FloatRect m_dirtyRect; | 204 FloatRect m_dirtyRect; |
205 | 205 |
206 mutable intptr_t m_externallyAllocatedMemory; | 206 mutable intptr_t m_externallyAllocatedMemory; |
207 | 207 |
208 bool m_originClean; | 208 bool m_originClean; |
209 | 209 |
210 // It prevents HTMLCanvasElement::buffer() from continuously re-attempting t
o allocate an imageBuffer | 210 // It prevents HTMLCanvasElement::buffer() from continuously re-attempting t
o allocate an imageBuffer |
211 // after the first attempt failed. | 211 // after the first attempt failed. |
212 mutable bool m_didFailToCreateImageBuffer; | 212 mutable bool m_didFailToCreateImageBuffer; |
213 bool m_imageBufferIsClear; | 213 bool m_imageBufferIsClear; |
214 OwnPtr<ImageBuffer> m_imageBuffer; | 214 OwnPtr<ImageBuffer> m_imageBuffer; |
215 | 215 |
216 mutable RefPtr<Image> m_copiedImage; // FIXME: This is temporary for platfor
ms that have to copy the image buffer to render (and for CSSCanvasValue). | 216 mutable RefPtr<Image> m_copiedImage; // FIXME: This is temporary for platfor
ms that have to copy the image buffer to render (and for CSSCanvasValue). |
217 }; | 217 }; |
218 | 218 |
219 } // namespace blink | 219 } // namespace blink |
220 | 220 |
221 #endif // HTMLCanvasElement_h | 221 #endif // HTMLCanvasElement_h |
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