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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_FAXMODULE_H_
#define CORE_FXCODEC_CODEC_CCODEC_FAXMODULE_H_
#include <memory>
#include "core/fxcrt/fx_memory.h"
#include "core/fxcrt/fx_system.h"
#include "third_party/base/span.h"
class CCodec_ScanlineDecoder;
class CCodec_FaxModule {
public:
std::unique_ptr<CCodec_ScanlineDecoder> CreateDecoder(
pdfium::span<const uint8_t> src_buf,
int width,
int height,
int K,
bool EndOfLine,
bool EncodedByteAlign,
bool BlackIs1,
int Columns,
int Rows);
#if _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
static void FaxEncode(const uint8_t* src_buf,
int width,
int height,
int pitch,
std::unique_ptr<uint8_t, FxFreeDeleter>* dest_buf,
uint32_t* dest_size);
#endif // _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
// Return the ending bit position.
static int FaxG4Decode(const uint8_t* src_buf,
uint32_t src_size,
int starting_bitpos,
int width,
int height,
int pitch,
uint8_t* dest_buf);
};
#endif // CORE_FXCODEC_CODEC_CCODEC_FAXMODULE_H_
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