65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
// Copyright 2016 The PDFium Authors
|
|
// 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_FAX_FAXMODULE_H_
|
|
#define CORE_FXCODEC_FAX_FAXMODULE_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <memory>
|
|
|
|
#include "build/build_config.h"
|
|
#include "third_party/base/span.h"
|
|
|
|
#if BUILDFLAG(IS_WIN)
|
|
#include "core/fxcrt/data_vector.h"
|
|
#include "core/fxcrt/retain_ptr.h"
|
|
#endif
|
|
|
|
class CFX_DIBBase;
|
|
|
|
namespace fxcodec {
|
|
|
|
class ScanlineDecoder;
|
|
|
|
class FaxModule {
|
|
public:
|
|
static std::unique_ptr<ScanlineDecoder> CreateDecoder(
|
|
pdfium::span<const uint8_t> src_span,
|
|
int width,
|
|
int height,
|
|
int K,
|
|
bool EndOfLine,
|
|
bool EncodedByteAlign,
|
|
bool BlackIs1,
|
|
int Columns,
|
|
int Rows);
|
|
|
|
// 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);
|
|
|
|
#if BUILDFLAG(IS_WIN)
|
|
// `src` must have a BPP value of 1.
|
|
static DataVector<uint8_t> FaxEncode(RetainPtr<CFX_DIBBase> src);
|
|
#endif // BUILDFLAG(IS_WIN)
|
|
|
|
FaxModule() = delete;
|
|
FaxModule(const FaxModule&) = delete;
|
|
FaxModule& operator=(const FaxModule&) = delete;
|
|
};
|
|
|
|
} // namespace fxcodec
|
|
|
|
using FaxModule = fxcodec::FaxModule;
|
|
|
|
#endif // CORE_FXCODEC_FAX_FAXMODULE_H_
|