blob: 0e1d7b2745bd0223f6fddbe6bac8e20cb0ec50f5 [file] [log] [blame]
// 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.
#include <memory>
#include "build/build_config.h"
#include "core/fxcrt/fx_memory_wrappers.h"
#include "core/fxcrt/fx_system.h"
#include "third_party/base/span.h"
namespace fxcodec {
class ScanlineDecoder;
class FaxModule {
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 defined(OS_WIN)
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 // defined(OS_WIN)
FaxModule() = delete;
FaxModule(const FaxModule&) = delete;
FaxModule& operator=(const FaxModule&) = delete;
} // namespace fxcodec
using FaxModule = fxcodec::FaxModule;