| // Copyright 2016 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FXCODEC_CODEC_CCODEC_GIFMODULE_H_ |
| #define CORE_FXCODEC_CODEC_CCODEC_GIFMODULE_H_ |
| |
| #include "core/fxcrt/include/fx_system.h" |
| |
| struct FXGIF_Context; |
| |
| class CCodec_GifModule { |
| public: |
| CCodec_GifModule() { FXSYS_memset(m_szLastError, 0, sizeof(m_szLastError)); } |
| |
| FXGIF_Context* Start(void* pModule); |
| void Finish(FXGIF_Context* pContext); |
| |
| uint32_t GetAvailInput(FXGIF_Context* pContext, |
| uint8_t** avail_buf_ptr = nullptr); |
| void Input(FXGIF_Context* pContext, |
| const uint8_t* src_buf, |
| uint32_t src_size); |
| |
| int32_t ReadHeader(FXGIF_Context* pContext, |
| int* width, |
| int* height, |
| int* pal_num, |
| void** pal_pp, |
| int* bg_index, |
| CFX_DIBAttribute* pAttribute); |
| |
| int32_t LoadFrameInfo(FXGIF_Context* pContext, int* frame_num); |
| |
| int32_t LoadFrame(FXGIF_Context* pContext, |
| int frame_num, |
| CFX_DIBAttribute* pAttribute); |
| |
| void (*RecordCurrentPositionCallback)(void* pModule, uint32_t& cur_pos); |
| uint8_t* (*AskLocalPaletteBufCallback)(void* pModule, |
| int32_t frame_num, |
| int32_t pal_size); |
| FX_BOOL (*InputRecordPositionBufCallback)(void* pModule, |
| uint32_t rcd_pos, |
| const FX_RECT& img_rc, |
| int32_t pal_num, |
| void* pal_ptr, |
| int32_t delay_time, |
| FX_BOOL user_input, |
| int32_t trans_index, |
| int32_t disposal_method, |
| FX_BOOL interlace); |
| void (*ReadScanlineCallback)(void* pModule, |
| int32_t row_num, |
| uint8_t* row_buf); |
| |
| protected: |
| FX_CHAR m_szLastError[256]; |
| }; |
| |
| #endif // CORE_FXCODEC_CODEC_CCODEC_GIFMODULE_H_ |