BC_OnedEAN8Writer.h

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// Copyright 2014 The PDFium Authors
// 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_ONED_BC_ONEDEAN8WRITER_H_
#define FXBARCODE_ONED_BC_ONEDEAN8WRITER_H_
 
#include <stdint.h>
 
#include "core/fxcrt/fx_string.h"
#include "fxbarcode/BC_Library.h"
#include "fxbarcode/oned/BC_OnedEANWriter.h"
 
class CFX_Matrix;
class CFX_RenderDevice;
 
class CBC_OnedEAN8Writer final : public CBC_OneDimEANWriter {
 public:
  CBC_OnedEAN8Writer();
  ~CBC_OnedEAN8Writer() override;
 
  // CBC_OneDimEANWriter:
  DataVector<uint8_t> Encode(const ByteString& contents) override;
  bool CheckContentValidity(WideStringView contents) override;
  WideString FilterContents(WideStringView contents) override;
  void SetDataLength(int32_t length) override;
  void SetTextLocation(BC_TEXT_LOC location) override;
  int32_t CalcChecksum(const ByteString& contents) override;
 
 private:
  bool ShowChars(WideStringView contents,
                 CFX_RenderDevice* device,
                 const CFX_Matrix& matrix,
                 int32_t barWidth) override;
 
  static constexpr int32_t kDefaultCodeWidth = 3 + (7 * 4) + 5 + (7 * 4) + 3;
  int32_t m_codeWidth = kDefaultCodeWidth;
};
 
#endif  // FXBARCODE_ONED_BC_ONEDEAN8WRITER_H_