| // 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); |
| FX_BOOL Input(FXPNG_Context* pContext, |
| const uint8_t* src_buf, |
| uint32_t src_size, |
| CFX_DIBAttribute* pAttribute); |
| |
| FX_BOOL (*ReadHeaderCallback)(void* pModule, |
| int width, |
| int height, |
| int bpc, |
| int pass, |
| int* color_type, |
| double* gamma); |
| FX_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_ |