OLD | NEW |
(Empty) | |
| 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_JPEGMODULE_H_ |
| 8 #define CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_ |
| 9 |
| 10 #include "core/fxcrt/include/fx_system.h" |
| 11 |
| 12 class CCodec_ScanlineDecoder; |
| 13 class CFX_DIBSource; |
| 14 struct FXJPEG_Context; |
| 15 |
| 16 #ifdef PDF_ENABLE_XFA |
| 17 class CFX_DIBAttribute; |
| 18 #endif // PDF_ENABLE_XFA |
| 19 |
| 20 class CCodec_JpegModule { |
| 21 public: |
| 22 CCodec_JpegModule() {} |
| 23 CCodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, |
| 24 uint32_t src_size, |
| 25 int width, |
| 26 int height, |
| 27 int nComps, |
| 28 FX_BOOL ColorTransform); |
| 29 FX_BOOL LoadInfo(const uint8_t* src_buf, |
| 30 uint32_t src_size, |
| 31 int& width, |
| 32 int& height, |
| 33 int& num_components, |
| 34 int& bits_per_components, |
| 35 FX_BOOL& color_transform, |
| 36 uint8_t** icc_buf_ptr = nullptr, |
| 37 uint32_t* icc_length = nullptr); |
| 38 FX_BOOL Encode(const CFX_DIBSource* pSource, |
| 39 uint8_t*& dest_buf, |
| 40 FX_STRSIZE& dest_size, |
| 41 int quality = 75, |
| 42 const uint8_t* icc_buf = nullptr, |
| 43 uint32_t icc_length = 0); |
| 44 FXJPEG_Context* Start(); |
| 45 void Finish(FXJPEG_Context* pContext); |
| 46 void Input(FXJPEG_Context* pContext, |
| 47 const uint8_t* src_buf, |
| 48 uint32_t src_size); |
| 49 |
| 50 #ifndef PDF_ENABLE_XFA |
| 51 int ReadHeader(FXJPEG_Context* pContext, |
| 52 int* width, |
| 53 int* height, |
| 54 int* nComps); |
| 55 #else // PDF_ENABLE_XFA |
| 56 int ReadHeader(FXJPEG_Context* pContext, |
| 57 int* width, |
| 58 int* height, |
| 59 int* nComps, |
| 60 CFX_DIBAttribute* pAttribute); |
| 61 #endif // PDF_ENABLE_XFA |
| 62 |
| 63 int StartScanline(FXJPEG_Context* pContext, int down_scale); |
| 64 FX_BOOL ReadScanline(FXJPEG_Context* pContext, uint8_t* dest_buf); |
| 65 uint32_t GetAvailInput(FXJPEG_Context* pContext, uint8_t** avail_buf_ptr); |
| 66 }; |
| 67 |
| 68 #endif // CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_ |
OLD | NEW |