Index: Source/core/platform/image-decoders/webp/WEBPImageDecoder.h |
diff --git a/Source/core/platform/image-decoders/webp/WEBPImageDecoder.h b/Source/core/platform/image-decoders/webp/WEBPImageDecoder.h |
index ea74c8e117331796b92cdc7bd4dfc731a99ef571..2b92f14c7bd396793fb3befeb63523da3792c268 100644 |
--- a/Source/core/platform/image-decoders/webp/WEBPImageDecoder.h |
+++ b/Source/core/platform/image-decoders/webp/WEBPImageDecoder.h |
@@ -32,9 +32,13 @@ |
#include "ImageDecoder.h" |
#include "webp/decode.h" |
-#if USE(QCMSLIB) && (WEBP_DECODER_ABI_VERSION > 0x200) |
+#if (WEBP_DECODER_ABI_VERSION > 0x200) |
+#include "webp/demux.h" |
+#define WEBP_ICC_ANIM_SUPPORT |
Alpha Left Google
2013/04/25 22:07:12
Can you have this always defined such that animate
urvang (Google)
2013/04/26 01:46:23
It's basically to support different versions of li
|
+#if USE(QCMSLIB) |
#define QCMS_WEBP_COLOR_CORRECTION |
#endif |
+#endif |
namespace WebCore { |
@@ -45,29 +49,58 @@ public: |
virtual String filenameExtension() const { return "webp"; } |
virtual bool isSizeAvailable(); |
+ virtual size_t frameCount(); |
virtual ImageFrame* frameBufferAtIndex(size_t index); |
+#ifdef WEBP_ICC_ANIM_SUPPORT |
+ virtual void setData(SharedBuffer* data, bool allDataReceived); |
+ virtual int repetitionCount() const { return m_repetitionCount; } |
+ virtual void clearFrameBufferCache(size_t clearBeforeFrame); |
+#endif |
private: |
- bool decode(bool onlySize); |
+ bool decode(const uint8_t* dataBytes, size_t dataSize, bool onlySize, size_t frameIndex); |
WebPIDecoder* m_decoder; |
WebPDecBuffer m_decoderBuffer; |
- bool m_hasAlpha; |
int m_formatFlags; |
#ifdef QCMS_WEBP_COLOR_CORRECTION |
qcms_transform* colorTransform() const { return m_transform; } |
void createColorTransform(const char* data, size_t); |
- void readColorProfile(const uint8_t* data, size_t); |
- void applyColorProfile(const uint8_t* data, size_t, ImageFrame&); |
+ void readColorProfile(); |
bool m_haveReadProfile; |
qcms_transform* m_transform; |
+#endif |
+ |
+#ifdef WEBP_ICC_ANIM_SUPPORT |
+ // Recreates demux object when new data is available, and sets canvas size, format flags, |
+ // animation properties etc as appropriate. Returns true on success. On |
+ // failure, this will mark the image as failed. |
+ bool updateDemuxer(); |
+ // Called to initialize the frame buffer at the given index based on |
+ // the previous frame's disposal method. Returns true on success. On |
+ // failure, this will mark the image as failed. |
+ bool initFrameBuffer(const WebPIterator& fIter, size_t frameIndex); |
+ // Apply color profile, and perform necessary post-processing for frame disposal. |
+ void applyPostProcessing(size_t frameIndex); |
+ |
+ // Number of rows decoded and post-processed so far in the current frame. It |
+ // is used by applyPostProcessing() to decode and post-process incrementally. |
int m_decodedHeight; |
+ |
+ bool m_haveAlreadyParsedThisData; |
+ WebPDemuxer* m_demux; |
+ WebPDemuxState m_demuxState; |
+ |
+ bool m_haveReadAnimParams; |
+ int m_repetitionCount; |
#else |
- void applyColorProfile(const uint8_t*, size_t, ImageFrame&) { }; |
+ void applyPostProcessing(size_t) { }; |
#endif |
- void clear(); |
+ |
+ void clearAll(); |
+ void clearDecoder(); |
}; |
} // namespace WebCore |