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1 /* | 1 /* |
2 * Copyright (c) 2006,2007,2008, Google Inc. All rights reserved. | 2 * Copyright (c) 2006,2007,2008, 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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46 // is that NativeImagePtr = NativeImageSkia, yet callers have SkBitmap. | 46 // is that NativeImagePtr = NativeImageSkia, yet callers have SkBitmap. |
47 class BitmapImageSingleFrameSkia : public Image { | 47 class BitmapImageSingleFrameSkia : public Image { |
48 public: | 48 public: |
49 // Creates a new Image from the given SkBitmap. If "copyPixels" is true, a | 49 // Creates a new Image from the given SkBitmap. If "copyPixels" is true, a |
50 // deep copy is done. Otherwise, a shallow copy is done (pixel data is | 50 // deep copy is done. Otherwise, a shallow copy is done (pixel data is |
51 // ref'ed). | 51 // ref'ed). |
52 static PassRefPtr<BitmapImageSingleFrameSkia> create(const SkBitmap&, bool c
opyPixels); | 52 static PassRefPtr<BitmapImageSingleFrameSkia> create(const SkBitmap&, bool c
opyPixels); |
53 | 53 |
54 virtual bool isBitmapImage() const { return true; } | 54 virtual bool isBitmapImage() const { return true; } |
55 | 55 |
| 56 virtual bool currentFrameHasAlpha() { return !m_nativeImage.isOpaque(); } |
| 57 |
56 virtual IntSize size() const | 58 virtual IntSize size() const |
57 { | 59 { |
58 return IntSize(m_nativeImage.width(), m_nativeImage.height()); | 60 return IntSize(m_nativeImage.width(), m_nativeImage.height()); |
59 } | 61 } |
60 | 62 |
61 // Do nothing, as we only have the one representation of data (decoded). | 63 // Do nothing, as we only have the one representation of data (decoded). |
62 virtual void destroyDecodedData(bool destroyAll = true) { } | 64 virtual void destroyDecodedData(bool destroyAll = true) { } |
63 | 65 |
64 virtual unsigned decodedSize() const | 66 virtual unsigned decodedSize() const |
65 { | 67 { |
66 return m_nativeImage.decodedSize(); | 68 return m_nativeImage.decodedSize(); |
67 } | 69 } |
68 | 70 |
69 // We only have a single frame. | 71 // We only have a single frame. |
70 virtual NativeImagePtr nativeImageForCurrentFrame() | 72 virtual NativeImagePtr nativeImageForCurrentFrame() |
71 { | 73 { |
72 return &m_nativeImage; | 74 return &m_nativeImage; |
73 } | 75 } |
74 | 76 |
| 77 #if !ASSERT_DISABLED |
| 78 virtual bool notSolidColor() |
| 79 { |
| 80 return m_nativeImage.width() != 1 || m_nativeImage.height() != 1; |
| 81 } |
| 82 #endif |
| 83 |
75 protected: | 84 protected: |
76 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRec
t& srcRect, ColorSpace styleColorSpace, CompositeOperator); | 85 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRec
t& srcRect, ColorSpace styleColorSpace, CompositeOperator); |
77 | 86 |
78 private: | 87 private: |
79 NativeImageSkia m_nativeImage; | 88 NativeImageSkia m_nativeImage; |
80 | 89 |
81 // Creates a new Image from the given SkBitmap, using a shallow copy. | 90 // Creates a new Image from the given SkBitmap, using a shallow copy. |
82 explicit BitmapImageSingleFrameSkia(const SkBitmap&); | 91 explicit BitmapImageSingleFrameSkia(const SkBitmap&); |
83 }; | 92 }; |
84 | 93 |
85 FloatRect normalizeRect(const FloatRect&); | 94 FloatRect normalizeRect(const FloatRect&); |
86 | 95 |
87 } // namespace WebCore | 96 } // namespace WebCore |
88 | 97 |
89 #endif // BitmapImageSingleFrameSkia_h | 98 #endif // BitmapImageSingleFrameSkia_h |
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