62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FXCODEC_FAX_FAXMODULE_H_
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#define CORE_FXCODEC_FAX_FAXMODULE_H_
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#include <memory>
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#include "build/build_config.h"
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#include "core/fxcrt/fx_memory_wrappers.h"
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#include "core/fxcrt/fx_system.h"
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#include "third_party/base/span.h"
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namespace fxcodec {
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class ScanlineDecoder;
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class FaxModule {
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public:
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static std::unique_ptr<ScanlineDecoder> CreateDecoder(
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pdfium::span<const uint8_t> src_span,
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int width,
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int height,
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int K,
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bool EndOfLine,
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bool EncodedByteAlign,
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bool BlackIs1,
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int Columns,
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int Rows);
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// Return the ending bit position.
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static int FaxG4Decode(const uint8_t* src_buf,
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uint32_t src_size,
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int starting_bitpos,
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int width,
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int height,
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int pitch,
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uint8_t* dest_buf);
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#if defined(OS_WIN)
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static void FaxEncode(const uint8_t* src_buf,
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int width,
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int height,
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int pitch,
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std::unique_ptr<uint8_t, FxFreeDeleter>* dest_buf,
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uint32_t* dest_size);
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#endif // defined(OS_WIN)
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FaxModule() = delete;
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FaxModule(const FaxModule&) = delete;
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FaxModule& operator=(const FaxModule&) = delete;
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};
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} // namespace fxcodec
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using FaxModule = fxcodec::FaxModule;
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#endif // CORE_FXCODEC_FAX_FAXMODULE_H_
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