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wumu

2024-10-09 d93a5a61f94ac4cf795ba4a8970d9eeba037f4c3

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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 XFA_FXBARCODE_DATAMATRIX_BC_C40ENCODER_H_
#define XFA_FXBARCODE_DATAMATRIX_BC_C40ENCODER_H_
 
#include "xfa/fxbarcode/datamatrix/BC_Encoder.h"
 
class CBC_C40Encoder : public CBC_Encoder {
 public:
  CBC_C40Encoder();
  ~CBC_C40Encoder() override;
 
  // CBC_Encoder
  int32_t getEncodingMode() override;
  void Encode(CBC_EncoderContext& context, int32_t& e) override;
 
  static void writeNextTriplet(CBC_EncoderContext& context,
                               CFX_WideString& buffer);
 
  virtual void handleEOD(CBC_EncoderContext& context,
                         CFX_WideString& buffer,
                         int32_t& e);
  virtual int32_t encodeChar(FX_WCHAR c, CFX_WideString& sb, int32_t& e);
 
 private:
  int32_t backtrackOneCharacter(CBC_EncoderContext& context,
                                CFX_WideString& buffer,
                                CFX_WideString& removed,
                                int32_t lastCharSize,
                                int32_t& e);
  static CFX_WideString encodeToCodewords(CFX_WideString sb, int32_t startPos);
};
 
#endif  // XFA_FXBARCODE_DATAMATRIX_BC_C40ENCODER_H_