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1 /* | 1 /* |
2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved. | 3 * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved. |
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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75 WTF_MAKE_NONCOPYABLE(ImageBuffer); | 75 WTF_MAKE_NONCOPYABLE(ImageBuffer); |
76 USING_FAST_MALLOC(ImageBuffer); | 76 USING_FAST_MALLOC(ImageBuffer); |
77 public: | 77 public: |
78 static std::unique_ptr<ImageBuffer> create(const IntSize&, OpacityMode = Non
Opaque, ImageInitializationMode = InitializeImagePixels); | 78 static std::unique_ptr<ImageBuffer> create(const IntSize&, OpacityMode = Non
Opaque, ImageInitializationMode = InitializeImagePixels); |
79 static std::unique_ptr<ImageBuffer> create(std::unique_ptr<ImageBufferSurfac
e>); | 79 static std::unique_ptr<ImageBuffer> create(std::unique_ptr<ImageBufferSurfac
e>); |
80 | 80 |
81 virtual ~ImageBuffer(); | 81 virtual ~ImageBuffer(); |
82 | 82 |
83 void setClient(ImageBufferClient* client) { m_client = client; } | 83 void setClient(ImageBufferClient* client) { m_client = client; } |
84 | 84 |
| 85 static bool canCreateImageBuffer(const IntSize&); |
85 const IntSize& size() const { return m_surface->size(); } | 86 const IntSize& size() const { return m_surface->size(); } |
86 bool isAccelerated() const { return m_surface->isAccelerated(); } | 87 bool isAccelerated() const { return m_surface->isAccelerated(); } |
87 bool isRecording() const { return m_surface->isRecording(); } | 88 bool isRecording() const { return m_surface->isRecording(); } |
88 void setHasExpensiveOp() { m_surface->setHasExpensiveOp(); } | 89 void setHasExpensiveOp() { m_surface->setHasExpensiveOp(); } |
89 bool isExpensiveToPaint() const { return m_surface->isExpensiveToPaint(); } | 90 bool isExpensiveToPaint() const { return m_surface->isExpensiveToPaint(); } |
90 void prepareSurfaceForPaintingIfNeeded() { m_surface->prepareSurfaceForPaint
ingIfNeeded(); } | 91 void prepareSurfaceForPaintingIfNeeded() { m_surface->prepareSurfaceForPaint
ingIfNeeded(); } |
91 bool isSurfaceValid() const; | 92 bool isSurfaceValid() const; |
92 bool restoreSurface() const; | 93 bool restoreSurface() const; |
93 void didDraw(const FloatRect&) const; | 94 void didDraw(const FloatRect&) const; |
94 bool wasDrawnToAfterSnapshot() const { return m_snapshotState == DrawnToAfte
rSnapshot; } | 95 bool wasDrawnToAfterSnapshot() const { return m_snapshotState == DrawnToAfte
rSnapshot; } |
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178 int height() const { return m_size.height(); } | 179 int height() const { return m_size.height(); } |
179 int width() const { return m_size.width(); } | 180 int width() const { return m_size.width(); } |
180 | 181 |
181 const unsigned char* m_data; | 182 const unsigned char* m_data; |
182 const IntSize m_size; | 183 const IntSize m_size; |
183 }; | 184 }; |
184 | 185 |
185 } // namespace blink | 186 } // namespace blink |
186 | 187 |
187 #endif // ImageBuffer_h | 188 #endif // ImageBuffer_h |
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