| // 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_FAX_FAXMODULE_H_ |
| #define CORE_FXCODEC_FAX_FAXMODULE_H_ |
| |
| #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 { |
| 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 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; |
| |
| #endif // CORE_FXCODEC_FAX_FAXMODULE_H_ |