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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_JPEGMODULE_H_
| #define CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_
|
| #include "core/fxcrt/include/fx_system.h"
|
| class CCodec_ScanlineDecoder;
| class CFX_DIBSource;
| struct FXJPEG_Context;
|
| #ifdef PDF_ENABLE_XFA
| class CFX_DIBAttribute;
| #endif // PDF_ENABLE_XFA
|
| class CCodec_JpegModule {
| public:
| CCodec_JpegModule() {}
|
| CCodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf,
| uint32_t src_size,
| int width,
| int height,
| int nComps,
| FX_BOOL ColorTransform);
| bool LoadInfo(const uint8_t* src_buf,
| uint32_t src_size,
| int* width,
| int* height,
| int* num_components,
| int* bits_per_components,
| bool* color_transform);
| FXJPEG_Context* Start();
| void Finish(FXJPEG_Context* pContext);
| void Input(FXJPEG_Context* pContext,
| const uint8_t* src_buf,
| uint32_t src_size);
|
| #ifndef PDF_ENABLE_XFA
| int ReadHeader(FXJPEG_Context* pContext,
| int* width,
| int* height,
| int* nComps);
| #else // PDF_ENABLE_XFA
| int ReadHeader(FXJPEG_Context* pContext,
| int* width,
| int* height,
| int* nComps,
| CFX_DIBAttribute* pAttribute);
| #endif // PDF_ENABLE_XFA
|
| int StartScanline(FXJPEG_Context* pContext, int down_scale);
| FX_BOOL ReadScanline(FXJPEG_Context* pContext, uint8_t* dest_buf);
| uint32_t GetAvailInput(FXJPEG_Context* pContext, uint8_t** avail_buf_ptr);
| };
|
| #endif // CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_
|
|
