// 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_ENCODERCONTEXT_H_ #define FXBARCODE_DATAMATRIX_BC_ENCODERCONTEXT_H_ #include "core/fxcrt/unowned_ptr.h" #include "core/fxcrt/widestring.h" class CBC_SymbolInfo; class CBC_EncoderContext { public: CBC_EncoderContext(const WideString& msg, const WideString& ecLevel, int32_t& e); ~CBC_EncoderContext(); void setAllowRectangular(bool allow); void setSkipAtEnd(int32_t count); wchar_t getCurrentChar(); wchar_t getCurrent(); void writeCodewords(const WideString& codewords); void writeCodeword(wchar_t codeword); size_t getCodewordCount(); void signalEncoderChange(int32_t encoding); void resetEncoderSignal(); bool hasMoreCharacters(); size_t getRemainingCharacters(); void updateSymbolInfo(int32_t& e); void updateSymbolInfo(int32_t len, int32_t& e); void resetSymbolInfo(); WideString m_msg; WideString m_codewords; size_t m_pos; int32_t m_newEncoding; UnownedPtr<CBC_SymbolInfo> m_symbolInfo; private: size_t getTotalMessageCharCount(); bool m_allowRectangular; // Force square when false. size_t m_skipAtEnd; }; #endif // FXBARCODE_DATAMATRIX_BC_ENCODERCONTEXT_H_