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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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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef DeferredImageDecoder_h | 26 #ifndef DeferredImageDecoder_h |
27 #define DeferredImageDecoder_h | 27 #define DeferredImageDecoder_h |
28 | 28 |
29 #include "platform/PlatformExport.h" | 29 #include "platform/PlatformExport.h" |
30 #include "platform/geometry/IntSize.h" | 30 #include "platform/geometry/IntSize.h" |
31 #include "platform/image-decoders/ImageDecoder.h" | 31 #include "platform/image-decoders/ImageDecoder.h" |
32 #include "third_party/skia/include/core/SkRWBuffer.h" | 32 #include "third_party/skia/include/core/SkRWBuffer.h" |
| 33 #include "third_party/skia/include/core/SkRefCnt.h" |
33 #include "wtf/Allocator.h" | 34 #include "wtf/Allocator.h" |
34 #include "wtf/Forward.h" | 35 #include "wtf/Forward.h" |
35 #include "wtf/Vector.h" | 36 #include "wtf/Vector.h" |
36 #include <memory> | 37 #include <memory> |
37 | 38 |
38 class SkImage; | 39 class SkImage; |
39 | 40 |
40 namespace blink { | 41 namespace blink { |
41 | 42 |
42 class ImageFrameGenerator; | 43 class ImageFrameGenerator; |
43 class SharedBuffer; | 44 class SharedBuffer; |
44 struct DeferredFrameData; | 45 struct DeferredFrameData; |
45 | 46 |
46 class PLATFORM_EXPORT DeferredImageDecoder final { | 47 class PLATFORM_EXPORT DeferredImageDecoder final { |
47 WTF_MAKE_NONCOPYABLE(DeferredImageDecoder); | 48 WTF_MAKE_NONCOPYABLE(DeferredImageDecoder); |
48 USING_FAST_MALLOC(DeferredImageDecoder); | 49 USING_FAST_MALLOC(DeferredImageDecoder); |
49 public: | 50 public: |
50 static std::unique_ptr<DeferredImageDecoder> create(PassRefPtr<SharedBuffer>
data, bool dataComplete, | 51 static std::unique_ptr<DeferredImageDecoder> create(PassRefPtr<SharedBuffer>
data, bool dataComplete, |
51 ImageDecoder::AlphaOption, ImageDecoder::GammaAndColorProfileOption); | 52 ImageDecoder::AlphaOption, ImageDecoder::GammaAndColorProfileOption); |
52 | 53 |
53 static std::unique_ptr<DeferredImageDecoder> createForTesting(std::unique_pt
r<ImageDecoder>); | 54 static std::unique_ptr<DeferredImageDecoder> createForTesting(std::unique_pt
r<ImageDecoder>); |
54 | 55 |
55 ~DeferredImageDecoder(); | 56 ~DeferredImageDecoder(); |
56 | 57 |
57 String filenameExtension() const; | 58 String filenameExtension() const; |
58 | 59 |
59 PassRefPtr<SkImage> createFrameAtIndex(size_t); | 60 sk_sp<SkImage> createFrameAtIndex(size_t); |
60 | 61 |
61 PassRefPtr<SharedBuffer> data(); | 62 PassRefPtr<SharedBuffer> data(); |
62 void setData(PassRefPtr<SharedBuffer> data, bool allDataReceived); | 63 void setData(PassRefPtr<SharedBuffer> data, bool allDataReceived); |
63 | 64 |
64 bool isSizeAvailable(); | 65 bool isSizeAvailable(); |
65 bool hasColorProfile() const; | 66 bool hasColorProfile() const; |
66 IntSize size() const; | 67 IntSize size() const; |
67 IntSize frameSizeAtIndex(size_t index) const; | 68 IntSize frameSizeAtIndex(size_t index) const; |
68 size_t frameCount(); | 69 size_t frameCount(); |
69 int repetitionCount() const; | 70 int repetitionCount() const; |
70 size_t clearCacheExceptFrame(size_t index); | 71 size_t clearCacheExceptFrame(size_t index); |
71 bool frameHasAlphaAtIndex(size_t index) const; | 72 bool frameHasAlphaAtIndex(size_t index) const; |
72 bool frameIsCompleteAtIndex(size_t index) const; | 73 bool frameIsCompleteAtIndex(size_t index) const; |
73 float frameDurationAtIndex(size_t index) const; | 74 float frameDurationAtIndex(size_t index) const; |
74 size_t frameBytesAtIndex(size_t index) const; | 75 size_t frameBytesAtIndex(size_t index) const; |
75 ImageOrientation orientationAtIndex(size_t index) const; | 76 ImageOrientation orientationAtIndex(size_t index) const; |
76 bool hotSpot(IntPoint&) const; | 77 bool hotSpot(IntPoint&) const; |
77 | 78 |
78 private: | 79 private: |
79 explicit DeferredImageDecoder(std::unique_ptr<ImageDecoder> actualDecoder); | 80 explicit DeferredImageDecoder(std::unique_ptr<ImageDecoder> actualDecoder); |
80 | 81 |
81 friend class DeferredImageDecoderTest; | 82 friend class DeferredImageDecoderTest; |
82 ImageFrameGenerator* frameGenerator() { return m_frameGenerator.get(); } | 83 ImageFrameGenerator* frameGenerator() { return m_frameGenerator.get(); } |
83 | 84 |
84 void activateLazyDecoding(); | 85 void activateLazyDecoding(); |
85 void prepareLazyDecodedFrames(); | 86 void prepareLazyDecodedFrames(); |
86 | 87 |
87 PassRefPtr<SkImage> createFrameImageAtIndex(size_t index, bool knownToBeOpaq
ue); | 88 sk_sp<SkImage> createFrameImageAtIndex(size_t index, bool knownToBeOpaque); |
88 | 89 |
89 void setDataInternal(PassRefPtr<SharedBuffer> data, bool allDataReceived, bo
ol pushDataToDecoder); | 90 void setDataInternal(PassRefPtr<SharedBuffer> data, bool allDataReceived, bo
ol pushDataToDecoder); |
90 | 91 |
91 // 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. |
92 // Allows creating readonly snapshots that may be read in another thread. | 93 // Allows creating readonly snapshots that may be read in another thread. |
93 std::unique_ptr<SkRWBuffer> m_rwBuffer; | 94 std::unique_ptr<SkRWBuffer> m_rwBuffer; |
94 bool m_allDataReceived; | 95 bool m_allDataReceived; |
95 std::unique_ptr<ImageDecoder> m_actualDecoder; | 96 std::unique_ptr<ImageDecoder> m_actualDecoder; |
96 | 97 |
97 String m_filenameExtension; | 98 String m_filenameExtension; |
98 IntSize m_size; | 99 IntSize m_size; |
99 int m_repetitionCount; | 100 int m_repetitionCount; |
100 bool m_hasColorProfile; | 101 bool m_hasColorProfile; |
101 bool m_canYUVDecode; | 102 bool m_canYUVDecode; |
102 bool m_hasHotSpot; | 103 bool m_hasHotSpot; |
103 IntPoint m_hotSpot; | 104 IntPoint m_hotSpot; |
104 | 105 |
105 // Caches frame state information. | 106 // Caches frame state information. |
106 Vector<DeferredFrameData> m_frameData; | 107 Vector<DeferredFrameData> m_frameData; |
107 RefPtr<ImageFrameGenerator> m_frameGenerator; | 108 RefPtr<ImageFrameGenerator> m_frameGenerator; |
108 }; | 109 }; |
109 | 110 |
110 } // namespace blink | 111 } // namespace blink |
111 | 112 |
112 #endif | 113 #endif |
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