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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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207 | 207 |
208 PassOwnPtr<ImageBufferSurface> createImageBufferSurface(const IntSize& devic
eSize, int* msaaSampleCount); | 208 PassOwnPtr<ImageBufferSurface> createImageBufferSurface(const IntSize& devic
eSize, int* msaaSampleCount); |
209 void createImageBuffer(); | 209 void createImageBuffer(); |
210 void createImageBufferInternal(PassOwnPtr<ImageBufferSurface> externalSurfac
e); | 210 void createImageBufferInternal(PassOwnPtr<ImageBufferSurface> externalSurfac
e); |
211 bool shouldUseDisplayList(const IntSize& deviceSize); | 211 bool shouldUseDisplayList(const IntSize& deviceSize); |
212 | 212 |
213 void setSurfaceSize(const IntSize&); | 213 void setSurfaceSize(const IntSize&); |
214 | 214 |
215 bool paintsIntoCanvasBuffer() const; | 215 bool paintsIntoCanvasBuffer() const; |
216 | 216 |
217 ImageData* toImageData(SourceDrawingBuffer) const; | 217 ImageData* toImageData(SourceDrawingBuffer, ExceptionState&) const; |
218 String toDataURLInternal(const String& mimeType, const double& quality, Sour
ceDrawingBuffer) const; | 218 String toDataURLInternal(const String& mimeType, const double& quality, Sour
ceDrawingBuffer, ExceptionState&) const; |
219 | 219 |
220 static void encodeImageAsync(DOMUint8ClampedArray* imagedata, IntSize imageS
ize, FileCallback*, const String& mimeType, double quality); | 220 static void encodeImageAsync(DOMUint8ClampedArray* imagedata, IntSize imageS
ize, FileCallback*, const String& mimeType, double quality); |
221 static void createBlobAndCall(PassOwnPtr<Vector<char>> encodedImage, const S
tring& mimeType, FileCallback*); | 221 static void createBlobAndCall(PassOwnPtr<Vector<char>> encodedImage, const S
tring& mimeType, FileCallback*); |
222 | 222 |
223 WillBeHeapHashSet<RawPtrWillBeWeakMember<CanvasObserver>> m_observers; | 223 WillBeHeapHashSet<RawPtrWillBeWeakMember<CanvasObserver>> m_observers; |
224 | 224 |
225 IntSize m_size; | 225 IntSize m_size; |
226 | 226 |
227 OwnPtrWillBeMember<CanvasRenderingContext> m_context; | 227 OwnPtrWillBeMember<CanvasRenderingContext> m_context; |
228 | 228 |
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239 mutable bool m_didFailToCreateImageBuffer; | 239 mutable bool m_didFailToCreateImageBuffer; |
240 bool m_imageBufferIsClear; | 240 bool m_imageBufferIsClear; |
241 OwnPtr<ImageBuffer> m_imageBuffer; | 241 OwnPtr<ImageBuffer> m_imageBuffer; |
242 | 242 |
243 mutable RefPtr<Image> m_copiedImage; // FIXME: This is temporary for platfor
ms that have to copy the image buffer to render (and for CSSCanvasValue). | 243 mutable RefPtr<Image> m_copiedImage; // FIXME: This is temporary for platfor
ms that have to copy the image buffer to render (and for CSSCanvasValue). |
244 }; | 244 }; |
245 | 245 |
246 } // namespace blink | 246 } // namespace blink |
247 | 247 |
248 #endif // HTMLCanvasElement_h | 248 #endif // HTMLCanvasElement_h |
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