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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 | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. 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 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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34 #include "wtf/Noncopyable.h" | 34 #include "wtf/Noncopyable.h" |
35 #include "wtf/PassRefPtr.h" | 35 #include "wtf/PassRefPtr.h" |
36 #include "wtf/RefPtr.h" | 36 #include "wtf/RefPtr.h" |
37 | 37 |
38 class SkData; | 38 class SkData; |
39 | 39 |
40 namespace blink { | 40 namespace blink { |
41 | 41 |
42 class ImageFrameGenerator; | 42 class ImageFrameGenerator; |
43 | 43 |
44 // Implements SkImageGenerator, used by SkPixelRef to populate a discardable mem
ory | 44 // Implements SkImageGenerator, used by SkPixelRef to populate a discardable |
45 // with a decoded image frame. ImageFrameGenerator does the actual decoding. | 45 // memory with a decoded image frame. ImageFrameGenerator does the actual |
46 // | 46 // decoding. |
47 class PLATFORM_EXPORT DecodingImageGenerator final : public SkImageGenerator { | 47 class PLATFORM_EXPORT DecodingImageGenerator final : public SkImageGenerator { |
48 USING_FAST_MALLOC(DecodingImageGenerator); | 48 USING_FAST_MALLOC(DecodingImageGenerator); |
49 WTF_MAKE_NONCOPYABLE(DecodingImageGenerator); | 49 WTF_MAKE_NONCOPYABLE(DecodingImageGenerator); |
50 | 50 |
51 public: | 51 public: |
52 // Make SkImageGenerator::kNeedNewImageUniqueID accessible. | 52 // Make SkImageGenerator::kNeedNewImageUniqueID accessible. |
53 enum { kNeedNewImageUniqueID = SkImageGenerator::kNeedNewImageUniqueID }; | 53 enum { kNeedNewImageUniqueID = SkImageGenerator::kNeedNewImageUniqueID }; |
54 | 54 |
55 static SkImageGenerator* create(SkData*); | 55 static SkImageGenerator* create(SkData*); |
56 | 56 |
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81 RefPtr<ImageFrameGenerator> m_frameGenerator; | 81 RefPtr<ImageFrameGenerator> m_frameGenerator; |
82 const RefPtr<SegmentReader> m_data; // Data source. | 82 const RefPtr<SegmentReader> m_data; // Data source. |
83 const bool m_allDataReceived; | 83 const bool m_allDataReceived; |
84 const size_t m_frameIndex; | 84 const size_t m_frameIndex; |
85 bool m_canYUVDecode; | 85 bool m_canYUVDecode; |
86 }; | 86 }; |
87 | 87 |
88 } // namespace blink | 88 } // namespace blink |
89 | 89 |
90 #endif // DecodingImageGenerator_h_ | 90 #endif // DecodingImageGenerator_h_ |
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