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| 1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #ifndef CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_ | 7 #ifndef CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_ |
| 8 #define CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_ | 8 #define CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_ |
| 9 | 9 |
| 10 #include "core/fxcrt/fx_system.h" | 10 #include "core/fxcrt/fx_system.h" |
| 11 | 11 |
| 12 class CCodec_ScanlineDecoder; | 12 class CCodec_ScanlineDecoder; |
| 13 class CFX_DIBSource; | 13 class CFX_DIBSource; |
| 14 struct FXJPEG_Context; | 14 struct FXJPEG_Context; |
| 15 | 15 |
| 16 #ifdef PDF_ENABLE_XFA | 16 #ifdef PDF_ENABLE_XFA |
| 17 class CFX_DIBAttribute; | 17 class CFX_DIBAttribute; |
| 18 #endif // PDF_ENABLE_XFA | 18 #endif // PDF_ENABLE_XFA |
| 19 | 19 |
| 20 class CCodec_JpegModule { | 20 class CCodec_JpegModule { |
| 21 public: | 21 public: |
| 22 CCodec_JpegModule() {} | 22 CCodec_JpegModule() {} |
| 23 | 23 |
| 24 CCodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, | 24 CCodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, |
| 25 uint32_t src_size, | 25 uint32_t src_size, |
| 26 int width, | 26 int width, |
| 27 int height, | 27 int height, |
| 28 int nComps, | 28 int nComps, |
| 29 FX_BOOL ColorTransform); | 29 bool ColorTransform); |
| 30 bool LoadInfo(const uint8_t* src_buf, | 30 bool LoadInfo(const uint8_t* src_buf, |
| 31 uint32_t src_size, | 31 uint32_t src_size, |
| 32 int* width, | 32 int* width, |
| 33 int* height, | 33 int* height, |
| 34 int* num_components, | 34 int* num_components, |
| 35 int* bits_per_components, | 35 int* bits_per_components, |
| 36 bool* color_transform); | 36 bool* color_transform); |
| 37 FXJPEG_Context* Start(); | 37 FXJPEG_Context* Start(); |
| 38 void Finish(FXJPEG_Context* pContext); | 38 void Finish(FXJPEG_Context* pContext); |
| 39 void Input(FXJPEG_Context* pContext, | 39 void Input(FXJPEG_Context* pContext, |
| 40 const uint8_t* src_buf, | 40 const uint8_t* src_buf, |
| 41 uint32_t src_size); | 41 uint32_t src_size); |
| 42 | 42 |
| 43 #ifndef PDF_ENABLE_XFA | 43 #ifndef PDF_ENABLE_XFA |
| 44 int ReadHeader(FXJPEG_Context* pContext, | 44 int ReadHeader(FXJPEG_Context* pContext, |
| 45 int* width, | 45 int* width, |
| 46 int* height, | 46 int* height, |
| 47 int* nComps); | 47 int* nComps); |
| 48 #else // PDF_ENABLE_XFA | 48 #else // PDF_ENABLE_XFA |
| 49 int ReadHeader(FXJPEG_Context* pContext, | 49 int ReadHeader(FXJPEG_Context* pContext, |
| 50 int* width, | 50 int* width, |
| 51 int* height, | 51 int* height, |
| 52 int* nComps, | 52 int* nComps, |
| 53 CFX_DIBAttribute* pAttribute); | 53 CFX_DIBAttribute* pAttribute); |
| 54 #endif // PDF_ENABLE_XFA | 54 #endif // PDF_ENABLE_XFA |
| 55 | 55 |
| 56 FX_BOOL StartScanline(FXJPEG_Context* pContext, int down_scale); | 56 bool StartScanline(FXJPEG_Context* pContext, int down_scale); |
| 57 FX_BOOL ReadScanline(FXJPEG_Context* pContext, uint8_t* dest_buf); | 57 bool ReadScanline(FXJPEG_Context* pContext, uint8_t* dest_buf); |
| 58 uint32_t GetAvailInput(FXJPEG_Context* pContext, uint8_t** avail_buf_ptr); | 58 uint32_t GetAvailInput(FXJPEG_Context* pContext, uint8_t** avail_buf_ptr); |
| 59 }; | 59 }; |
| 60 | 60 |
| 61 #endif // CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_ | 61 #endif // CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_ |
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