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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_PNGMODULE_H_
#define CORE_FXCODEC_CODEC_CCODEC_PNGMODULE_H_
#include "core/fxcrt/fx_system.h"
class CFX_DIBAttribute;
struct FXPNG_Context;
#define PNG_ERROR_SIZE 256
class CCodec_PngModule {
public:
CCodec_PngModule() { FXSYS_memset(m_szLastError, 0, sizeof(m_szLastError)); }
FXPNG_Context* Start(void* pModule);
void Finish(FXPNG_Context* pContext);
bool Input(FXPNG_Context* pContext,
const uint8_t* src_buf,
uint32_t src_size,
CFX_DIBAttribute* pAttribute);
bool (*ReadHeaderCallback)(void* pModule,
int width,
int height,
int bpc,
int pass,
int* color_type,
double* gamma);
bool (*AskScanlineBufCallback)(void* pModule, int line, uint8_t*& src_buf);
void (*FillScanlineBufCompletedCallback)(void* pModule, int pass, int line);
protected:
FX_CHAR m_szLastError[PNG_ERROR_SIZE];
};
#endif // CORE_FXCODEC_CODEC_CCODEC_PNGMODULE_H_
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