fxbarcode/datamatrix/BC_DefaultPlacement.h

// 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_DEFAULTPLACEMENT_H_
#define FXBARCODE_DATAMATRIX_BC_DEFAULTPLACEMENT_H_

#include <stdint.h>

#include "core/fxcrt/data_vector.h"
#include "core/fxcrt/widestring.h"

class CBC_DefaultPlacement final {
 public:
  CBC_DefaultPlacement(WideString codewords, int32_t numcols, int32_t numrows);
  ~CBC_DefaultPlacement();

  bool getBit(int32_t col, int32_t row);
  void setBit(int32_t col, int32_t row, bool bit);
  bool hasBit(int32_t col, int32_t row);
  void place();

 private:
  void module(int32_t row, int32_t col, int32_t pos, int32_t bit);
  void utah(int32_t row, int32_t col, int32_t pos);
  void corner1(int32_t pos);
  void corner2(int32_t pos);
  void corner3(int32_t pos);
  void corner4(int32_t pos);

  WideString m_codewords;
  int32_t m_numrows;
  int32_t m_numcols;
  DataVector<uint8_t> m_bits;
};

#endif  // FXBARCODE_DATAMATRIX_BC_DEFAULTPLACEMENT_H_