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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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70 void setData(PassRefPtr<SharedBuffer>, bool allDataReceived); | 70 void setData(PassRefPtr<SharedBuffer>, bool allDataReceived); |
71 | 71 |
72 // Return our encoded image data. Caller takes ownership and must unref the
data | 72 // Return our encoded image data. Caller takes ownership and must unref the
data |
73 // according to the contract SkImageGenerator::refEncodedData. Returns null
if | 73 // according to the contract SkImageGenerator::refEncodedData. Returns null
if |
74 // the data is has not been fully received. | 74 // the data is has not been fully received. |
75 SkData* refEncodedData(); | 75 SkData* refEncodedData(); |
76 | 76 |
77 // Decodes and scales the specified frame at |index|. The dimensions and out
put | 77 // Decodes and scales the specified frame at |index|. The dimensions and out
put |
78 // format are given in SkImageInfo. Decoded pixels are written into |pixels|
with | 78 // format are given in SkImageInfo. Decoded pixels are written into |pixels|
with |
79 // a stride of |rowBytes|. Returns true if decoding was successful. | 79 // a stride of |rowBytes|. Returns true if decoding was successful. |
80 bool decodeAndScale(size_t index, const SkImageInfo&, void* pixels, size_t r
owBytes); | 80 bool decodeAndScale(size_t index, const SkImageInfo&, void* pixels, size_t r
owBytes, SkPMColor ctable[] = nullptr, int* ctableCount = nullptr); |
81 | 81 |
82 // Decodes YUV components directly into the provided memory planes. | 82 // Decodes YUV components directly into the provided memory planes. |
83 bool decodeToYUV(size_t index, SkISize componentSizes[3], void* planes[3], s
ize_t rowBytes[3]); | 83 bool decodeToYUV(size_t index, SkISize componentSizes[3], void* planes[3], s
ize_t rowBytes[3]); |
84 | 84 |
85 const SkISize& getFullSize() const { return m_fullSize; } | 85 const SkISize& getFullSize() const { return m_fullSize; } |
86 | 86 |
87 bool isMultiFrame() const { return m_isMultiFrame; } | 87 bool isMultiFrame() const { return m_isMultiFrame; } |
88 bool decodeFailed() const { return m_decodeFailed; } | 88 bool decodeFailed() const { return m_decodeFailed; } |
89 | 89 |
90 bool hasAlpha(size_t index); | 90 bool hasAlpha(size_t index); |
91 | 91 |
92 bool getYUVComponentSizes(SkISize componentSizes[3]); | 92 bool getYUVComponentSizes(SkISize componentSizes[3]); |
93 | 93 |
| 94 // Specifies that there is decoder support, to optimize when to call canDeco
deTo(). |
| 95 void setDecoderCanDecodeToIndex8(bool canIt) { m_decoderCanDecodeToIndex8 =
canIt; } |
| 96 bool canDecodeTo(size_t index, SkColorType outputType); |
| 97 |
94 private: | 98 private: |
95 ImageFrameGenerator(const SkISize& fullSize, PassRefPtr<SharedBuffer>, bool
allDataReceived, bool isMultiFrame); | 99 ImageFrameGenerator(const SkISize& fullSize, PassRefPtr<SharedBuffer>, bool
allDataReceived, bool isMultiFrame); |
96 | 100 |
97 friend class ImageFrameGeneratorTest; | 101 friend class ImageFrameGeneratorTest; |
98 friend class DeferredImageDecoderTest; | 102 friend class DeferredImageDecoderTest; |
99 // For testing. |factory| will overwrite the default ImageDecoder creation l
ogic if |factory->create()| returns non-zero. | 103 // For testing. |factory| will overwrite the default ImageDecoder creation l
ogic if |factory->create()| returns non-zero. |
100 void setImageDecoderFactory(PassOwnPtr<ImageDecoderFactory> factory) { m_ima
geDecoderFactory = std::move(factory); } | 104 void setImageDecoderFactory(PassOwnPtr<ImageDecoderFactory> factory) { m_ima
geDecoderFactory = std::move(factory); } |
101 | 105 |
102 void setHasAlpha(size_t index, bool hasAlpha); | 106 void setHasAlpha(size_t index, bool hasAlpha); |
103 | 107 |
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128 | 132 |
129 // Protect concurrent access to m_hasAlpha. | 133 // Protect concurrent access to m_hasAlpha. |
130 Mutex m_alphaMutex; | 134 Mutex m_alphaMutex; |
131 | 135 |
132 // Our encoded image data returned in refEncodedData. | 136 // Our encoded image data returned in refEncodedData. |
133 SkData* m_encodedData; | 137 SkData* m_encodedData; |
134 | 138 |
135 #if COMPILER(MSVC) | 139 #if COMPILER(MSVC) |
136 friend struct ::WTF::OwnedPtrDeleter<ExternalMemoryAllocator>; | 140 friend struct ::WTF::OwnedPtrDeleter<ExternalMemoryAllocator>; |
137 #endif | 141 #endif |
| 142 bool m_decoderCanDecodeToIndex8; |
138 }; | 143 }; |
139 | 144 |
140 } // namespace blink | 145 } // namespace blink |
141 | 146 |
142 #endif | 147 #endif |
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