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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"
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);
FX_STRSIZE getCodewordCount();
void signalEncoderChange(int32_t encoding);
void resetEncoderSignal();
bool hasMoreCharacters();
FX_STRSIZE getRemainingCharacters();
void updateSymbolInfo(int32_t& e);
void updateSymbolInfo(int32_t len, int32_t& e);
void resetSymbolInfo();
WideString m_msg;
WideString m_codewords;
FX_STRSIZE m_pos;
int32_t m_newEncoding;
UnownedPtr<CBC_SymbolInfo> m_symbolInfo;
private:
FX_STRSIZE getTotalMessageCharCount();
bool m_allowRectangular; // Force square when false.
FX_STRSIZE m_skipAtEnd;
};
#endif // FXBARCODE_DATAMATRIX_BC_ENCODERCONTEXT_H_
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