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| author | Ryan Harrison <rharrison@chromium.org> | 2017-09-22 11:05:13 -0400 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2017-09-22 15:13:06 +0000 |
| commit | 92827b695a69c7a3fd5940dc0aa1713fe3f3ee96 (patch) | |
| tree | 1698c9f11f3709683cd4eea615b9a4d970409e3e /core/fxcodec/lgif/cgifcontext.h | |
| parent | 73bed4ef57444a2ea066d532a8a82b230fd206d9 (diff) | |
| download | pdfium-92827b695a69c7a3fd5940dc0aa1713fe3f3ee96.tar.xz | |
Move C-style functions into CGifContext
There are a number of functions in fx_gix.h/.cpp that take in a
pointer to a CGifContext as their first parameter. Moving these to be
methods in that class.
BUG=pdfium:902
Change-Id: I8c583ab9e42dda4241aa8a6f865408a94fa6d273
Reviewed-on: https://pdfium-review.googlesource.com/14670
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fxcodec/lgif/cgifcontext.h')
| -rw-r--r-- | core/fxcodec/lgif/cgifcontext.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/core/fxcodec/lgif/cgifcontext.h b/core/fxcodec/lgif/cgifcontext.h index 71cf2bc75e..fdff235355 100644 --- a/core/fxcodec/lgif/cgifcontext.h +++ b/core/fxcodec/lgif/cgifcontext.h @@ -36,6 +36,12 @@ class CGifContext : public CCodec_GifModule::Context { int32_t trans_index, int32_t disposal_method, bool interlace); + GifDecodeStatus ReadHeader(); + GifDecodeStatus GetFrame(); + GifDecodeStatus LoadFrame(int32_t frame_num); + void SetInputBuffer(uint8_t* src_buf, uint32_t src_size); + uint32_t GetAvailInput(uint8_t** avail_buf_ptr) const; + int32_t GetFrameNum() const; UnownedPtr<CCodec_GifModule> m_pModule; UnownedPtr<CCodec_GifModule::Delegate> m_pDelegate; @@ -59,6 +65,13 @@ class CGifContext : public CCodec_GifModule::Context { uint8_t global_color_resolution; uint8_t img_pass_num; char m_szLastError[GIF_MAX_ERROR_SIZE]; + + private: + uint8_t* ReadData(uint8_t** des_buf_pp, uint32_t data_size); + void SaveDecodingStatus(int32_t status); + GifDecodeStatus DecodeExtension(); + GifDecodeStatus DecodeImageInfo(); + void DecodingFailureAtTailCleanup(GifImage* gif_image_ptr); }; #endif // CORE_FXCODEC_LGIF_CGIFCONTEXT_H_ |