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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 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 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 */ | 27 */ |
28 | 28 |
29 #ifndef WEBPImageDecoder_h | 29 #ifndef WEBPImageDecoder_h |
30 #define WEBPImageDecoder_h | 30 #define WEBPImageDecoder_h |
31 | 31 |
32 #include "core/platform/image-decoders/ImageDecoder.h" | 32 #include "core/platform/image-decoders/ImageDecoder.h" |
33 | 33 |
34 #include "webp/decode.h" | 34 #include "webp/decode.h" |
35 #if USE(QCMSLIB) && (WEBP_DECODER_ABI_VERSION > 0x200) | 35 #if (WEBP_DECODER_ABI_VERSION > 0x200) |
| 36 #include "webp/demux.h" |
| 37 #define WEBP_ICC_ANIMATION_SUPPORT |
| 38 #if USE(QCMSLIB) |
36 #define QCMS_WEBP_COLOR_CORRECTION | 39 #define QCMS_WEBP_COLOR_CORRECTION |
37 #endif | 40 #endif |
| 41 #endif |
38 | 42 |
39 namespace WebCore { | 43 namespace WebCore { |
40 | 44 |
41 class WEBPImageDecoder : public ImageDecoder { | 45 class WEBPImageDecoder : public ImageDecoder { |
42 public: | 46 public: |
43 WEBPImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProfile
Option); | 47 WEBPImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProfile
Option); |
44 virtual ~WEBPImageDecoder(); | 48 virtual ~WEBPImageDecoder(); |
45 | 49 |
46 virtual String filenameExtension() const { return "webp"; } | 50 virtual String filenameExtension() const OVERRIDE { return "webp"; } |
47 virtual bool isSizeAvailable(); | 51 virtual bool isSizeAvailable() OVERRIDE; |
48 virtual ImageFrame* frameBufferAtIndex(size_t); | 52 virtual size_t frameCount() OVERRIDE; |
| 53 virtual ImageFrame* frameBufferAtIndex(size_t) OVERRIDE; |
| 54 #ifdef WEBP_ICC_ANIMATION_SUPPORT |
| 55 virtual void setData(SharedBuffer* data, bool allDataReceived) OVERRIDE; |
| 56 virtual int repetitionCount() const OVERRIDE; |
| 57 virtual bool frameIsCompleteAtIndex(size_t) const OVERRIDE; |
| 58 virtual float frameDurationAtIndex(size_t) const OVERRIDE; |
| 59 virtual size_t clearCacheExceptFrame(size_t) OVERRIDE; |
| 60 #endif |
49 | 61 |
50 private: | 62 private: |
51 bool decode(bool onlySize); | 63 bool decode(const uint8_t* dataBytes, size_t dataSize, bool onlySize, size_t
frameIndex); |
52 | 64 |
53 WebPIDecoder* m_decoder; | 65 WebPIDecoder* m_decoder; |
54 WebPDecBuffer m_decoderBuffer; | 66 WebPDecBuffer m_decoderBuffer; |
55 bool m_hasAlpha; | |
56 int m_formatFlags; | 67 int m_formatFlags; |
| 68 bool m_frameBackgroundHasAlpha; |
57 | 69 |
58 #ifdef QCMS_WEBP_COLOR_CORRECTION | 70 #ifdef QCMS_WEBP_COLOR_CORRECTION |
59 qcms_transform* colorTransform() const { return m_transform; } | 71 qcms_transform* colorTransform() const { return m_transform; } |
60 void createColorTransform(const char* data, size_t); | 72 void createColorTransform(const char* data, size_t); |
61 void readColorProfile(const uint8_t* data, size_t); | 73 void readColorProfile(); |
62 void applyColorProfile(const uint8_t* data, size_t, ImageFrame&); | |
63 | 74 |
64 bool m_haveReadProfile; | 75 bool m_haveReadProfile; |
65 qcms_transform* m_transform; | 76 qcms_transform* m_transform; |
| 77 #endif |
| 78 |
| 79 #ifdef WEBP_ICC_ANIMATION_SUPPORT |
| 80 bool updateDemuxer(); |
| 81 bool initFrameBuffer(const WebPIterator&, size_t frameIndex); |
| 82 void applyPostProcessing(size_t frameIndex); |
| 83 virtual void clearFrameBuffer(size_t frameIndex) OVERRIDE; |
| 84 |
| 85 WebPDemuxer* m_demux; |
| 86 WebPDemuxState m_demuxState; |
| 87 bool m_haveAlreadyParsedThisData; |
| 88 bool m_haveReadAnimationParameters; |
| 89 int m_repetitionCount; |
66 int m_decodedHeight; | 90 int m_decodedHeight; |
67 #else | 91 #else |
68 void applyColorProfile(const uint8_t*, size_t, ImageFrame&) { }; | 92 void applyPostProcessing(size_t) { }; |
69 #endif | 93 #endif |
| 94 |
70 void clear(); | 95 void clear(); |
| 96 void clearDecoder(); |
71 }; | 97 }; |
72 | 98 |
73 } // namespace WebCore | 99 } // namespace WebCore |
74 | 100 |
75 #endif | 101 #endif |
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