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| 1 // Copyright 2016 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 |
| 7 #ifndef CORE_FXCODEC_CODEC_CCODEC_PNGMODULE_H_ |
| 8 #define CORE_FXCODEC_CODEC_CCODEC_PNGMODULE_H_ |
| 9 |
| 10 #include "core/fxcrt/include/fx_system.h" |
| 11 |
| 12 class CFX_DIBAttribute; |
| 13 struct FXPNG_Context; |
| 14 |
| 15 #define PNG_ERROR_SIZE 256 |
| 16 |
| 17 class CCodec_PngModule { |
| 18 public: |
| 19 CCodec_PngModule() { FXSYS_memset(m_szLastError, 0, sizeof(m_szLastError)); } |
| 20 |
| 21 FXPNG_Context* Start(void* pModule); |
| 22 void Finish(FXPNG_Context* pContext); |
| 23 FX_BOOL Input(FXPNG_Context* pContext, |
| 24 const uint8_t* src_buf, |
| 25 uint32_t src_size, |
| 26 CFX_DIBAttribute* pAttribute); |
| 27 |
| 28 FX_BOOL (*ReadHeaderCallback)(void* pModule, |
| 29 int width, |
| 30 int height, |
| 31 int bpc, |
| 32 int pass, |
| 33 int* color_type, |
| 34 double* gamma); |
| 35 FX_BOOL (*AskScanlineBufCallback)(void* pModule, int line, uint8_t*& src_buf); |
| 36 void (*FillScanlineBufCompletedCallback)(void* pModule, int pass, int line); |
| 37 |
| 38 protected: |
| 39 FX_CHAR m_szLastError[PNG_ERROR_SIZE]; |
| 40 }; |
| 41 |
| 42 #endif // CORE_FXCODEC_CODEC_CCODEC_PNGMODULE_H_ |
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