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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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36 #include "wtf/Forward.h" | 36 #include "wtf/Forward.h" |
37 #include "wtf/OwnPtr.h" | 37 #include "wtf/OwnPtr.h" |
38 #include "wtf/Vector.h" | 38 #include "wtf/Vector.h" |
39 | 39 |
40 class SkImage; | 40 class SkImage; |
41 | 41 |
42 namespace blink { | 42 namespace blink { |
43 | 43 |
44 class ImageFrameGenerator; | 44 class ImageFrameGenerator; |
45 class SharedBuffer; | 45 class SharedBuffer; |
46 struct FrameData; | 46 struct DeferredFrameData; |
47 | 47 |
48 class PLATFORM_EXPORT DeferredImageDecoder final { | 48 class PLATFORM_EXPORT DeferredImageDecoder final { |
49 WTF_MAKE_NONCOPYABLE(DeferredImageDecoder); | 49 WTF_MAKE_NONCOPYABLE(DeferredImageDecoder); |
50 USING_FAST_MALLOC(DeferredImageDecoder); | 50 USING_FAST_MALLOC(DeferredImageDecoder); |
51 public: | 51 public: |
52 static PassOwnPtr<DeferredImageDecoder> create(const SharedBuffer& data, Ima geDecoder::AlphaOption, ImageDecoder::GammaAndColorProfileOption); | 52 static PassOwnPtr<DeferredImageDecoder> create(const SharedBuffer& data, Ima geDecoder::AlphaOption, ImageDecoder::GammaAndColorProfileOption); |
53 | 53 |
54 static PassOwnPtr<DeferredImageDecoder> createForTesting(PassOwnPtr<ImageDec oder>); | 54 static PassOwnPtr<DeferredImageDecoder> createForTesting(PassOwnPtr<ImageDec oder>); |
55 | 55 |
56 ~DeferredImageDecoder(); | 56 ~DeferredImageDecoder(); |
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80 | 80 |
81 private: | 81 private: |
82 explicit DeferredImageDecoder(PassOwnPtr<ImageDecoder> actualDecoder); | 82 explicit DeferredImageDecoder(PassOwnPtr<ImageDecoder> actualDecoder); |
83 | 83 |
84 friend class DeferredImageDecoderTest; | 84 friend class DeferredImageDecoderTest; |
85 ImageFrameGenerator* frameGenerator() { return m_frameGenerator.get(); } | 85 ImageFrameGenerator* frameGenerator() { return m_frameGenerator.get(); } |
86 | 86 |
87 void activateLazyDecoding(); | 87 void activateLazyDecoding(); |
88 void prepareLazyDecodedFrames(); | 88 void prepareLazyDecodedFrames(); |
89 | 89 |
90 PassRefPtr<SkImage> createFrameImageAtIndex(size_t index, bool knownToBeOpaq ue) const; | 90 PassRefPtr<SkImage> createFrameImageAtIndex(size_t index, bool knownToBeOpaq ue); |
91 | 91 |
92 // Copy of the data that is passed in, used by deferred decoding. | 92 // Copy of the data that is passed in, used by deferred decoding. |
93 // Allows creating readonly snapshots that may be read in another thread. | 93 // Allows creating readonly snapshots that may be read in another thread. |
94 OwnPtr<SkRWBuffer> m_rwBuffer; | 94 OwnPtr<SkRWBuffer> m_rwBuffer; |
95 bool m_allDataReceived; | 95 bool m_allDataReceived; |
96 OwnPtr<ImageDecoder> m_actualDecoder; | 96 OwnPtr<ImageDecoder> m_actualDecoder; |
97 | 97 |
98 String m_filenameExtension; | 98 String m_filenameExtension; |
99 IntSize m_size; | 99 IntSize m_size; |
100 int m_repetitionCount; | 100 int m_repetitionCount; |
101 bool m_hasColorProfile; | 101 bool m_hasColorProfile; |
102 bool m_canYUVDecode; | 102 bool m_canYUVDecode; |
103 | 103 |
104 // Carries only frame state and other information. Does not carry bitmap. | 104 // Carries only frame state and other information. Does not carry bitmap. |
Peter Kasting
2016/05/04 03:01:07
This comment seems superfluous given that it's no
aleksandar.stojiljkovic
2016/05/04 20:56:29
Done.
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105 Vector<FrameData> m_frameData; | 105 Vector<DeferredFrameData> m_frameData; |
106 RefPtr<ImageFrameGenerator> m_frameGenerator; | 106 RefPtr<ImageFrameGenerator> m_frameGenerator; |
107 | 107 |
108 static bool s_enabled; | 108 static bool s_enabled; |
109 }; | 109 }; |
110 | 110 |
111 } // namespace blink | 111 } // namespace blink |
112 | 112 |
113 #endif | 113 #endif |
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