1 // Copyright 2014 The PDFium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef FXBARCODE_DATAMATRIX_BC_ENCODERCONTEXT_H_ 8 #define FXBARCODE_DATAMATRIX_BC_ENCODERCONTEXT_H_ 9 10 #include "core/fxcrt/unowned_ptr.h" 11 #include "core/fxcrt/widestring.h" 12 #include "fxbarcode/datamatrix/BC_HighLevelEncoder.h" 13 14 class CBC_SymbolInfo; 15 16 class CBC_EncoderContext { 17 public: 18 explicit CBC_EncoderContext(const WideString& msg); 19 ~CBC_EncoderContext(); 20 21 void setSkipAtEnd(int32_t count); 22 wchar_t getCurrentChar(); 23 wchar_t getCurrent(); 24 void writeCodewords(const WideString& codewords); 25 void writeCodeword(wchar_t codeword); 26 size_t getCodewordCount(); 27 void SignalEncoderChange(CBC_HighLevelEncoder::Encoding encoding); 28 void ResetEncoderSignal(); 29 bool hasMoreCharacters(); 30 size_t getRemainingCharacters(); 31 bool UpdateSymbolInfo(); 32 bool UpdateSymbolInfo(size_t len); 33 void resetSymbolInfo(); 34 HasCharactersOutsideISO88591Encoding()35 bool HasCharactersOutsideISO88591Encoding() const { 36 return m_bHasCharactersOutsideISO88591Encoding; 37 } 38 39 WideString m_msg; 40 WideString m_codewords; 41 size_t m_pos = 0; 42 CBC_HighLevelEncoder::Encoding m_newEncoding = 43 CBC_HighLevelEncoder::Encoding::UNKNOWN; 44 UnownedPtr<const CBC_SymbolInfo> m_symbolInfo; 45 46 private: 47 size_t getTotalMessageCharCount(); 48 49 bool m_bAllowRectangular = false; // Force square when false. 50 bool m_bHasCharactersOutsideISO88591Encoding = false; 51 size_t m_skipAtEnd = 0; 52 }; 53 54 #endif // FXBARCODE_DATAMATRIX_BC_ENCODERCONTEXT_H_ 55