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1 /* | 1 /* |
2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. |
3 * Copyright (C) 2007 Alp Toker <alp.toker@collabora.co.uk> | 3 * Copyright (C) 2007 Alp Toker <alp.toker@collabora.co.uk> |
4 * Copyright (C) 2008, Google Inc. All rights reserved. | 4 * Copyright (C) 2008, Google Inc. All rights reserved. |
5 * | 5 * |
6 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
7 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
8 * are met: | 8 * are met: |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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44 size_t ImageSource::clearCacheExceptFrame(size_t clearExceptFrame) | 44 size_t ImageSource::clearCacheExceptFrame(size_t clearExceptFrame) |
45 { | 45 { |
46 return m_decoder ? m_decoder->clearCacheExceptFrame(clearExceptFrame) : 0; | 46 return m_decoder ? m_decoder->clearCacheExceptFrame(clearExceptFrame) : 0; |
47 } | 47 } |
48 | 48 |
49 PassRefPtr<SharedBuffer> ImageSource::data() | 49 PassRefPtr<SharedBuffer> ImageSource::data() |
50 { | 50 { |
51 return m_decoder ? m_decoder->data() : nullptr; | 51 return m_decoder ? m_decoder->data() : nullptr; |
52 } | 52 } |
53 | 53 |
54 void ImageSource::setData(SharedBuffer& data, bool allDataReceived) | 54 ImageDecoder::SniffResult ImageSource::setData(SharedBuffer& data, bool allDataR
eceived) |
55 { | 55 { |
56 // Create a decoder by sniffing the encoded data. If insufficient data bytes
are available to | 56 ImageDecoder::SniffResult result = ImageDecoder::determineImageType(data); |
57 // determine the encoded image type, no decoder is created. | |
58 if (!m_decoder) | 57 if (!m_decoder) |
59 m_decoder = DeferredImageDecoder::create(data, ImageDecoder::AlphaPremul
tiplied, ImageDecoder::GammaAndColorProfileApplied); | 58 m_decoder = DeferredImageDecoder::create(result, ImageDecoder::AlphaPrem
ultiplied, ImageDecoder::GammaAndColorProfileApplied); |
60 | 59 |
61 if (m_decoder) | 60 if (m_decoder) |
62 m_decoder->setData(data, allDataReceived); | 61 m_decoder->setData(data, allDataReceived); |
| 62 |
| 63 return result; |
63 } | 64 } |
64 | 65 |
65 String ImageSource::filenameExtension() const | 66 String ImageSource::filenameExtension() const |
66 { | 67 { |
67 return m_decoder ? m_decoder->filenameExtension() : String(); | 68 return m_decoder ? m_decoder->filenameExtension() : String(); |
68 } | 69 } |
69 | 70 |
70 bool ImageSource::isSizeAvailable() | 71 bool ImageSource::isSizeAvailable() |
71 { | 72 { |
72 return m_decoder && m_decoder->isSizeAvailable(); | 73 return m_decoder && m_decoder->isSizeAvailable(); |
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146 { | 147 { |
147 return m_decoder && m_decoder->frameIsCompleteAtIndex(index); | 148 return m_decoder && m_decoder->frameIsCompleteAtIndex(index); |
148 } | 149 } |
149 | 150 |
150 size_t ImageSource::frameBytesAtIndex(size_t index) const | 151 size_t ImageSource::frameBytesAtIndex(size_t index) const |
151 { | 152 { |
152 return m_decoder ? m_decoder->frameBytesAtIndex(index) : 0; | 153 return m_decoder ? m_decoder->frameBytesAtIndex(index) : 0; |
153 } | 154 } |
154 | 155 |
155 } // namespace blink | 156 } // namespace blink |
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