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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 "SkBitmap.h" | 29 #include "SkBitmap.h" |
30 #include "SkPixelRef.h" | 30 #include "SkPixelRef.h" |
31 #include "platform/PlatformExport.h" | 31 #include "platform/PlatformExport.h" |
32 #include "platform/geometry/IntSize.h" | 32 #include "platform/geometry/IntSize.h" |
| 33 #include "platform/graphics/FrameData.h" |
33 #include "platform/graphics/ImageFrameGenerator.h" | 34 #include "platform/graphics/ImageFrameGenerator.h" |
34 #include "platform/graphics/ImageSource.h" | 35 #include "platform/graphics/ImageSource.h" |
35 #include "platform/image-decoders/ImageDecoder.h" | 36 #include "platform/image-decoders/ImageDecoder.h" |
36 #include "wtf/Forward.h" | 37 #include "wtf/Forward.h" |
37 #include "wtf/OwnPtr.h" | 38 #include "wtf/OwnPtr.h" |
38 #include "wtf/Vector.h" | 39 #include "wtf/Vector.h" |
39 | 40 |
40 namespace blink { | 41 namespace blink { |
41 | 42 |
42 class ImageFrameGenerator; | 43 class ImageFrameGenerator; |
43 class SharedBuffer; | 44 class SharedBuffer; |
44 | 45 |
45 class PLATFORM_EXPORT DeferredImageDecoder { | 46 class PLATFORM_EXPORT DeferredImageDecoder { |
46 WTF_MAKE_NONCOPYABLE(DeferredImageDecoder); | 47 WTF_MAKE_NONCOPYABLE(DeferredImageDecoder); |
47 public: | 48 public: |
48 ~DeferredImageDecoder(); | 49 ~DeferredImageDecoder(); |
49 static PassOwnPtr<DeferredImageDecoder> create(const SharedBuffer& data, Ima
geSource::AlphaOption, ImageSource::GammaAndColorProfileOption); | 50 static PassOwnPtr<DeferredImageDecoder> create(const SharedBuffer& data, Ima
geSource::AlphaOption, ImageSource::GammaAndColorProfileOption); |
50 | 51 |
51 static PassOwnPtr<DeferredImageDecoder> createForTesting(PassOwnPtr<ImageDec
oder>); | 52 static PassOwnPtr<DeferredImageDecoder> createForTesting(PassOwnPtr<ImageDec
oder>); |
52 | 53 |
53 static bool isLazyDecoded(const SkBitmap&); | 54 static bool isLazyDecoded(const SkBitmap&); |
54 | 55 |
55 static void setEnabled(bool); | 56 static void setEnabled(bool); |
56 static bool enabled(); | 57 static bool enabled(); |
57 | 58 |
58 String filenameExtension() const; | 59 String filenameExtension() const; |
59 | 60 |
60 ImageFrame* frameBufferAtIndex(size_t index); | 61 PassRefPtr<NativeImageSkia> createFrameAtIndex(size_t); |
61 | 62 |
62 void setData(SharedBuffer& data, bool allDataReceived); | 63 void setData(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); | 71 size_t clearCacheExceptFrame(size_t); |
71 bool frameHasAlphaAtIndex(size_t index) const; | 72 bool frameHasAlphaAtIndex(size_t index) const; |
72 bool frameIsCompleteAtIndex(size_t) const; | 73 bool frameIsCompleteAtIndex(size_t) const; |
73 float frameDurationAtIndex(size_t) const; | 74 float frameDurationAtIndex(size_t) const; |
74 unsigned frameBytesAtIndex(size_t index) const; | 75 unsigned frameBytesAtIndex(size_t index) const; |
75 ImageOrientation orientation() const; | 76 ImageOrientation orientationAtIndex(size_t index) const; |
76 bool hotSpot(IntPoint&) const; | 77 bool hotSpot(IntPoint&) const; |
77 | 78 |
78 // For testing. | 79 // For testing. |
79 ImageFrameGenerator* frameGenerator() { return m_frameGenerator.get(); } | 80 ImageFrameGenerator* frameGenerator() { return m_frameGenerator.get(); } |
80 | 81 |
81 private: | 82 private: |
82 explicit DeferredImageDecoder(PassOwnPtr<ImageDecoder> actualDecoder); | 83 explicit DeferredImageDecoder(PassOwnPtr<ImageDecoder> actualDecoder); |
83 void prepareLazyDecodedFrames(); | 84 void prepareLazyDecodedFrames(); |
84 SkBitmap createBitmap(size_t index); | 85 SkBitmap createBitmap(size_t index); |
85 void activateLazyDecoding(); | 86 void activateLazyDecoding(); |
86 | 87 |
87 RefPtr<SharedBuffer> m_data; | 88 RefPtr<SharedBuffer> m_data; |
88 bool m_allDataReceived; | 89 bool m_allDataReceived; |
89 unsigned m_lastDataSize; | 90 unsigned m_lastDataSize; |
90 bool m_dataChanged; | |
91 OwnPtr<ImageDecoder> m_actualDecoder; | 91 OwnPtr<ImageDecoder> m_actualDecoder; |
92 | 92 |
93 String m_filenameExtension; | 93 String m_filenameExtension; |
94 IntSize m_size; | 94 IntSize m_size; |
95 ImageOrientation m_orientation; | 95 ImageOrientation m_orientation; |
96 int m_repetitionCount; | 96 int m_repetitionCount; |
97 bool m_hasColorProfile; | 97 bool m_hasColorProfile; |
98 | 98 |
99 Vector<OwnPtr<ImageFrame>> m_lazyDecodedFrames; | 99 // Carries only frame state and other information. Does not carry bitmap. |
| 100 Vector<FrameData> m_frameData; |
100 RefPtr<ImageFrameGenerator> m_frameGenerator; | 101 RefPtr<ImageFrameGenerator> m_frameGenerator; |
101 | 102 |
102 static bool s_enabled; | 103 static bool s_enabled; |
103 }; | 104 }; |
104 | 105 |
105 } // namespace blink | 106 } // namespace blink |
106 | 107 |
107 #endif | 108 #endif |
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