You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1.4 KiB
40 lines
1.4 KiB
// 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 "core/fxcrt/widestring.h"
|
|
#include "fxbarcode/datamatrix/BC_Encoder.h"
|
|
|
|
class CBC_C40Encoder : public CBC_Encoder {
|
|
public:
|
|
CBC_C40Encoder();
|
|
~CBC_C40Encoder() override;
|
|
|
|
// CBC_Encoder
|
|
CBC_HighLevelEncoder::Encoding GetEncodingMode() override;
|
|
bool Encode(CBC_EncoderContext* context) override;
|
|
|
|
static void WriteNextTriplet(CBC_EncoderContext* context, WideString* buffer);
|
|
|
|
virtual bool HandleEOD(CBC_EncoderContext* context, WideString* buffer);
|
|
|
|
// Returns the number of characters appended to |sb|, or 0 on failure.
|
|
virtual int32_t EncodeChar(wchar_t c, WideString* sb);
|
|
|
|
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,
|
|
WideString* buffer,
|
|
int32_t lastCharSize);
|
|
};
|
|
|
|
#endif // FXBARCODE_DATAMATRIX_BC_C40ENCODER_H_
|