| // 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_C40ENCODER_H_ |
| #define FXBARCODE_DATAMATRIX_BC_C40ENCODER_H_ |
| |
| #include "fxbarcode/datamatrix/BC_Encoder.h" |
| |
| class CFX_WideString; |
| |
| 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(wchar_t c, CFX_WideString& sb, int32_t& e); |
| |
| private: |
| // Moves back by 1 position in |context| and adjusts |buffer| accordingly |
| // using |lastCharSize|. Returns the length of the current character in |
| // |context| after adjusting the position. If the character cannot be encoded, |
| // return -1. |
| int32_t BacktrackOneCharacter(CBC_EncoderContext* context, |
| CFX_WideString* buffer, |
| int32_t lastCharSize); |
| }; |
| |
| #endif // FXBARCODE_DATAMATRIX_BC_C40ENCODER_H_ |