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// 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"
#include "fxbarcode/datamatrix/BC_HighLevelEncoder.h"
class CBC_SymbolInfo;
class CBC_EncoderContext {
public:
explicit CBC_EncoderContext(const WideString& msg);
~CBC_EncoderContext();
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(CBC_HighLevelEncoder::Encoding encoding);
void ResetEncoderSignal();
bool hasMoreCharacters();
size_t getRemainingCharacters();
bool UpdateSymbolInfo();
bool UpdateSymbolInfo(size_t len);
void resetSymbolInfo();
bool HasCharactersOutsideISO88591Encoding() const {
return m_bHasCharactersOutsideISO88591Encoding;
}
WideString m_msg;
WideString m_codewords;
size_t m_pos = 0;
CBC_HighLevelEncoder::Encoding m_newEncoding =
CBC_HighLevelEncoder::Encoding::UNKNOWN;
UnownedPtr<const CBC_SymbolInfo> m_symbolInfo;
private:
size_t getTotalMessageCharCount();
bool m_bAllowRectangular = false; // Force square when false.
bool m_bHasCharactersOutsideISO88591Encoding = false;
size_t m_skipAtEnd = 0;
};
#endif // FXBARCODE_DATAMATRIX_BC_ENCODERCONTEXT_H_