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1 /* | 1 /* |
2 * Copyright (c) 2013, Google Inc. All rights reserved. | 2 * Copyright (c) 2013, Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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35 #include "platform/geometry/IntSize.h" | 35 #include "platform/geometry/IntSize.h" |
36 #include "platform/graphics/GraphicsTypes3D.h" | 36 #include "platform/graphics/GraphicsTypes3D.h" |
37 #include "wtf/FastAllocBase.h" | 37 #include "wtf/FastAllocBase.h" |
38 #include "wtf/Noncopyable.h" | 38 #include "wtf/Noncopyable.h" |
39 #include "wtf/PassRefPtr.h" | 39 #include "wtf/PassRefPtr.h" |
40 | 40 |
41 class SkBitmap; | 41 class SkBitmap; |
42 class SkCanvas; | 42 class SkCanvas; |
43 class SkPicture; | 43 class SkPicture; |
44 | 44 |
45 namespace blink { class WebLayer; } | |
46 | |
47 namespace blink { | 45 namespace blink { |
48 | 46 |
49 class ImageBuffer; | 47 class ImageBuffer; |
| 48 class WebLayer; |
50 | 49 |
51 enum OpacityMode { | 50 enum OpacityMode { |
52 NonOpaque, | 51 NonOpaque, |
53 Opaque, | 52 Opaque, |
54 }; | 53 }; |
55 | 54 |
56 class PLATFORM_EXPORT ImageBufferSurface { | 55 class PLATFORM_EXPORT ImageBufferSurface { |
57 WTF_MAKE_NONCOPYABLE(ImageBufferSurface); WTF_MAKE_FAST_ALLOCATED; | 56 WTF_MAKE_NONCOPYABLE(ImageBufferSurface); WTF_MAKE_FAST_ALLOCATED; |
58 public: | 57 public: |
59 virtual ~ImageBufferSurface() { } | 58 virtual ~ImageBufferSurface() { } |
60 | 59 |
61 virtual SkCanvas* canvas() const = 0; | 60 virtual SkCanvas* canvas() const = 0; |
62 virtual const SkBitmap& bitmap(); | 61 virtual const SkBitmap& bitmap(); |
63 virtual void willAccessPixels() { } | 62 virtual void willAccessPixels() { } |
64 virtual bool isValid() const = 0; | 63 virtual bool isValid() const = 0; |
65 virtual bool restore() { return false; }; | 64 virtual bool restore() { return false; }; |
66 virtual blink::WebLayer* layer() const { return 0; }; | 65 virtual WebLayer* layer() const { return 0; }; |
67 virtual bool isAccelerated() const { return false; } | 66 virtual bool isAccelerated() const { return false; } |
68 virtual Platform3DObject getBackingTexture() const { return 0; } | 67 virtual Platform3DObject getBackingTexture() const { return 0; } |
69 virtual bool cachedBitmapEnabled() const { return false; } | 68 virtual bool cachedBitmapEnabled() const { return false; } |
70 virtual const SkBitmap& cachedBitmap() const; | 69 virtual const SkBitmap& cachedBitmap() const; |
71 virtual void invalidateCachedBitmap() { } | 70 virtual void invalidateCachedBitmap() { } |
72 virtual void updateCachedBitmapIfNeeded() { } | 71 virtual void updateCachedBitmapIfNeeded() { } |
73 virtual void setIsHidden(bool) { } | 72 virtual void setIsHidden(bool) { } |
74 virtual void setImageBuffer(ImageBuffer*) { } | 73 virtual void setImageBuffer(ImageBuffer*) { } |
75 virtual PassRefPtr<SkPicture> getPicture(); | 74 virtual PassRefPtr<SkPicture> getPicture(); |
76 virtual void didClearCanvas() { } | 75 virtual void didClearCanvas() { } |
77 virtual void finalizeFrame() { } | 76 virtual void finalizeFrame() { } |
78 | 77 |
79 OpacityMode opacityMode() const { return m_opacityMode; } | 78 OpacityMode opacityMode() const { return m_opacityMode; } |
80 const IntSize& size() const { return m_size; } | 79 const IntSize& size() const { return m_size; } |
81 void notifyIsValidChanged(bool isValid) const; | 80 void notifyIsValidChanged(bool isValid) const; |
82 | 81 |
83 protected: | 82 protected: |
84 ImageBufferSurface(const IntSize&, OpacityMode); | 83 ImageBufferSurface(const IntSize&, OpacityMode); |
85 void clear(); | 84 void clear(); |
86 | 85 |
87 private: | 86 private: |
88 OpacityMode m_opacityMode; | 87 OpacityMode m_opacityMode; |
89 IntSize m_size; | 88 IntSize m_size; |
90 }; | 89 }; |
91 | 90 |
92 } // namespace blink | 91 } // namespace blink |
93 | 92 |
94 #endif | 93 #endif |
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