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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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110 if (!m_actualDecoder || m_actualDecoder->failed()) | 110 if (!m_actualDecoder || m_actualDecoder->failed()) |
111 return nullptr; | 111 return nullptr; |
112 | 112 |
113 ImageFrame* frame = m_actualDecoder->frameBufferAtIndex(index); | 113 ImageFrame* frame = m_actualDecoder->frameBufferAtIndex(index); |
114 if (!frame || frame->getStatus() == ImageFrame::FrameEmpty) | 114 if (!frame || frame->getStatus() == ImageFrame::FrameEmpty) |
115 return nullptr; | 115 return nullptr; |
116 | 116 |
117 return adoptRef(SkImage::NewFromBitmap(frame->bitmap())); | 117 return adoptRef(SkImage::NewFromBitmap(frame->bitmap())); |
118 } | 118 } |
119 | 119 |
| 120 bool DeferredImageDecoder::hasData() const |
| 121 { |
| 122 return static_cast<bool>(m_rwBuffer); |
| 123 } |
| 124 |
| 125 PassRefPtr<SharedBuffer> DeferredImageDecoder::data() |
| 126 { |
| 127 if (!m_rwBuffer) |
| 128 return nullptr; |
| 129 RefPtr<SkROBuffer> roBuffer = adoptRef(m_rwBuffer->newRBufferSnapshot()); |
| 130 RefPtr<SharedBuffer> sharedBuffer = SharedBuffer::create(roBuffer->size()); |
| 131 SkROBuffer::Iter it(roBuffer.get()); |
| 132 do { |
| 133 sharedBuffer->append(static_cast<const char*>(it.data()), it.size()); |
| 134 } while (it.next()); |
| 135 return sharedBuffer; |
| 136 } |
| 137 |
120 void DeferredImageDecoder::setData(SharedBuffer& data, bool allDataReceived) | 138 void DeferredImageDecoder::setData(SharedBuffer& data, bool allDataReceived) |
121 { | 139 { |
122 if (m_actualDecoder) { | 140 if (m_actualDecoder) { |
123 m_allDataReceived = allDataReceived; | 141 m_allDataReceived = allDataReceived; |
124 m_actualDecoder->setData(&data, allDataReceived); | 142 m_actualDecoder->setData(&data, allDataReceived); |
125 prepareLazyDecodedFrames(); | 143 prepareLazyDecodedFrames(); |
126 } | 144 } |
127 | 145 |
128 if (m_frameGenerator) { | 146 if (m_frameGenerator) { |
129 if (!m_rwBuffer) | 147 if (!m_rwBuffer) |
130 m_rwBuffer = adoptPtr(new SkRWBuffer(data.size())); | 148 m_rwBuffer = adoptPtr(new SkRWBuffer(data.size())); |
131 | 149 |
132 const char* segment = 0; | 150 const char* segment = 0; |
133 for (size_t length = data.getSomeData(segment, m_rwBuffer->size()); | 151 for (size_t length = data.getSomeData(segment, m_rwBuffer->size()); |
134 length; length = data.getSomeData(segment, m_rwBuffer->size())) | 152 length; length = data.getSomeData(segment, m_rwBuffer->size())) { |
135 m_rwBuffer->append(segment, length); | 153 m_rwBuffer->append(segment, length); |
| 154 } |
136 } | 155 } |
137 } | 156 } |
138 | 157 |
139 bool DeferredImageDecoder::isSizeAvailable() | 158 bool DeferredImageDecoder::isSizeAvailable() |
140 { | 159 { |
141 // m_actualDecoder is 0 only if image decoding is deferred and that means | 160 // m_actualDecoder is 0 only if image decoding is deferred and that means |
142 // the image header decoded successfully and the size is available. | 161 // the image header decoded successfully and the size is available. |
143 return m_actualDecoder ? m_actualDecoder->isSizeAvailable() : true; | 162 return m_actualDecoder ? m_actualDecoder->isSizeAvailable() : true; |
144 } | 163 } |
145 | 164 |
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319 } | 338 } |
320 | 339 |
321 } // namespace blink | 340 } // namespace blink |
322 | 341 |
323 namespace WTF { | 342 namespace WTF { |
324 template<> struct VectorTraits<blink::DeferredFrameData> : public SimpleClassVec
torTraits<blink::DeferredFrameData> { | 343 template<> struct VectorTraits<blink::DeferredFrameData> : public SimpleClassVec
torTraits<blink::DeferredFrameData> { |
325 STATIC_ONLY(VectorTraits); | 344 STATIC_ONLY(VectorTraits); |
326 static const bool canInitializeWithMemset = false; // Not all DeferredFrameD
ata members initialize to 0. | 345 static const bool canInitializeWithMemset = false; // Not all DeferredFrameD
ata members initialize to 0. |
327 }; | 346 }; |
328 } | 347 } |
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