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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 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 | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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40 namespace blink { | 40 namespace blink { |
41 | 41 |
42 class ImageFrameGenerator; | 42 class ImageFrameGenerator; |
43 class SharedBuffer; | 43 class SharedBuffer; |
44 struct DeferredFrameData; | 44 struct DeferredFrameData; |
45 | 45 |
46 class PLATFORM_EXPORT DeferredImageDecoder final { | 46 class PLATFORM_EXPORT DeferredImageDecoder final { |
47 WTF_MAKE_NONCOPYABLE(DeferredImageDecoder); | 47 WTF_MAKE_NONCOPYABLE(DeferredImageDecoder); |
48 USING_FAST_MALLOC(DeferredImageDecoder); | 48 USING_FAST_MALLOC(DeferredImageDecoder); |
49 public: | 49 public: |
50 static std::unique_ptr<DeferredImageDecoder> create(ImageDecoder::SniffResul
t, ImageDecoder::AlphaOption, ImageDecoder::GammaAndColorProfileOption); | 50 static std::unique_ptr<DeferredImageDecoder> create(PassRefPtr<SharedBuffer>
data, bool dataComplete, |
| 51 ImageDecoder::AlphaOption, ImageDecoder::GammaAndColorProfileOption); |
51 | 52 |
52 static std::unique_ptr<DeferredImageDecoder> createForTesting(std::unique_pt
r<ImageDecoder>); | 53 static std::unique_ptr<DeferredImageDecoder> createForTesting(std::unique_pt
r<ImageDecoder>); |
53 | 54 |
54 ~DeferredImageDecoder(); | 55 ~DeferredImageDecoder(); |
55 | 56 |
56 String filenameExtension() const; | 57 String filenameExtension() const; |
57 | 58 |
58 PassRefPtr<SkImage> createFrameAtIndex(size_t); | 59 PassRefPtr<SkImage> createFrameAtIndex(size_t); |
59 | 60 |
60 PassRefPtr<SharedBuffer> data(); | 61 PassRefPtr<SharedBuffer> data(); |
61 void setData(SharedBuffer& data, bool allDataReceived); | 62 void setData(PassRefPtr<SharedBuffer> data, bool allDataReceived); |
62 | 63 |
63 bool isSizeAvailable(); | 64 bool isSizeAvailable(); |
64 bool hasColorProfile() const; | 65 bool hasColorProfile() const; |
65 IntSize size() const; | 66 IntSize size() const; |
66 IntSize frameSizeAtIndex(size_t index) const; | 67 IntSize frameSizeAtIndex(size_t index) const; |
67 size_t frameCount(); | 68 size_t frameCount(); |
68 int repetitionCount() const; | 69 int repetitionCount() const; |
69 size_t clearCacheExceptFrame(size_t index); | 70 size_t clearCacheExceptFrame(size_t index); |
70 bool frameHasAlphaAtIndex(size_t index) const; | 71 bool frameHasAlphaAtIndex(size_t index) const; |
71 bool frameIsCompleteAtIndex(size_t index) const; | 72 bool frameIsCompleteAtIndex(size_t index) const; |
72 float frameDurationAtIndex(size_t index) const; | 73 float frameDurationAtIndex(size_t index) const; |
73 size_t frameBytesAtIndex(size_t index) const; | 74 size_t frameBytesAtIndex(size_t index) const; |
74 ImageOrientation orientationAtIndex(size_t index) const; | 75 ImageOrientation orientationAtIndex(size_t index) const; |
75 bool hotSpot(IntPoint&) const; | 76 bool hotSpot(IntPoint&) const; |
76 | 77 |
77 private: | 78 private: |
78 explicit DeferredImageDecoder(std::unique_ptr<ImageDecoder> actualDecoder); | 79 explicit DeferredImageDecoder(std::unique_ptr<ImageDecoder> actualDecoder); |
79 | 80 |
80 friend class DeferredImageDecoderTest; | 81 friend class DeferredImageDecoderTest; |
81 ImageFrameGenerator* frameGenerator() { return m_frameGenerator.get(); } | 82 ImageFrameGenerator* frameGenerator() { return m_frameGenerator.get(); } |
82 | 83 |
83 void activateLazyDecoding(); | 84 void activateLazyDecoding(); |
84 void prepareLazyDecodedFrames(); | 85 void prepareLazyDecodedFrames(); |
85 | 86 |
86 PassRefPtr<SkImage> createFrameImageAtIndex(size_t index, bool knownToBeOpaq
ue); | 87 PassRefPtr<SkImage> createFrameImageAtIndex(size_t index, bool knownToBeOpaq
ue); |
87 | 88 |
| 89 void setDataInternal(PassRefPtr<SharedBuffer> data, bool allDataReceived, bo
ol pushDataToDecoder); |
| 90 |
88 // Copy of the data that is passed in, used by deferred decoding. | 91 // Copy of the data that is passed in, used by deferred decoding. |
89 // Allows creating readonly snapshots that may be read in another thread. | 92 // Allows creating readonly snapshots that may be read in another thread. |
90 std::unique_ptr<SkRWBuffer> m_rwBuffer; | 93 std::unique_ptr<SkRWBuffer> m_rwBuffer; |
91 bool m_allDataReceived; | 94 bool m_allDataReceived; |
92 std::unique_ptr<ImageDecoder> m_actualDecoder; | 95 std::unique_ptr<ImageDecoder> m_actualDecoder; |
93 | 96 |
94 String m_filenameExtension; | 97 String m_filenameExtension; |
95 IntSize m_size; | 98 IntSize m_size; |
96 int m_repetitionCount; | 99 int m_repetitionCount; |
97 bool m_hasColorProfile; | 100 bool m_hasColorProfile; |
98 bool m_canYUVDecode; | 101 bool m_canYUVDecode; |
99 bool m_hasHotSpot; | 102 bool m_hasHotSpot; |
100 IntPoint m_hotSpot; | 103 IntPoint m_hotSpot; |
101 | 104 |
102 // Caches frame state information. | 105 // Caches frame state information. |
103 Vector<DeferredFrameData> m_frameData; | 106 Vector<DeferredFrameData> m_frameData; |
104 RefPtr<ImageFrameGenerator> m_frameGenerator; | 107 RefPtr<ImageFrameGenerator> m_frameGenerator; |
105 }; | 108 }; |
106 | 109 |
107 } // namespace blink | 110 } // namespace blink |
108 | 111 |
109 #endif | 112 #endif |
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