| // Copyright 2014 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 FXBARCODE_DATAMATRIX_BC_HIGHLEVELENCODER_H_ |
| #define FXBARCODE_DATAMATRIX_BC_HIGHLEVELENCODER_H_ |
| |
| #include <vector> |
| |
| #include "core/fxcrt/widestring.h" |
| #include "third_party/base/optional.h" |
| |
| #define ASCII_ENCODATION 0 |
| #define C40_ENCODATION 1 |
| #define TEXT_ENCODATION 2 |
| #define X12_ENCODATION 3 |
| #define EDIFACT_ENCODATION 4 |
| #define BASE256_ENCODATION 5 |
| |
| class CBC_HighLevelEncoder { |
| public: |
| CBC_HighLevelEncoder(); |
| ~CBC_HighLevelEncoder(); |
| |
| std::vector<uint8_t>& getBytesForMessage(WideString msg); |
| |
| static Optional<WideString> EncodeHighLevel(const WideString& msg, |
| const WideString& ecLevel, |
| bool allowRectangular); |
| static int32_t lookAheadTest(const WideString& msg, |
| int32_t startpos, |
| int32_t currentMode); |
| static bool isExtendedASCII(wchar_t ch); |
| static int32_t determineConsecutiveDigitCount(WideString msg, |
| int32_t startpos); |
| |
| static const wchar_t LATCH_TO_C40; |
| static const wchar_t LATCH_TO_BASE256; |
| static const wchar_t UPPER_SHIFT; |
| static const wchar_t LATCH_TO_ANSIX12; |
| static const wchar_t LATCH_TO_TEXT; |
| static const wchar_t LATCH_TO_EDIFACT; |
| static const wchar_t C40_UNLATCH; |
| static const wchar_t X12_UNLATCH; |
| |
| private: |
| static wchar_t randomize253State(wchar_t ch, int32_t codewordPosition); |
| static int32_t findMinimums(std::vector<float>& charCounts, |
| std::vector<int32_t>& intCharCounts, |
| int32_t min, |
| std::vector<uint8_t>& mins); |
| static int32_t getMinimumCount(std::vector<uint8_t>& mins); |
| static bool isNativeC40(wchar_t ch); |
| static bool isNativeText(wchar_t ch); |
| static bool isNativeX12(wchar_t ch); |
| static bool isX12TermSep(wchar_t ch); |
| static bool isNativeEDIFACT(wchar_t ch); |
| |
| static const wchar_t PAD; |
| static const wchar_t MACRO_05; |
| static const wchar_t MACRO_06; |
| static const wchar_t MACRO_05_HEADER[]; |
| static const wchar_t MACRO_06_HEADER[]; |
| static const wchar_t MACRO_TRAILER; |
| |
| std::vector<uint8_t> m_bytearray; |
| }; |
| |
| #endif // FXBARCODE_DATAMATRIX_BC_HIGHLEVELENCODER_H_ |