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// 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/fx_coordinates.h"
#include "core/fxcrt/fx_system.h"
class CFX_DIBAttribute;
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);
bool (*InputRecordPositionBufCallback)(void* pModule,
uint32_t rcd_pos,
const FX_RECT& img_rc,
int32_t pal_num,
void* pal_ptr,
int32_t delay_time,
bool user_input,
int32_t trans_index,
int32_t disposal_method,
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_
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