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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_SRC_FXBARCODE_PDF417_BC_PDF417_H_
#define XFA_SRC_FXBARCODE_PDF417_BC_PDF417_H_

#include "core/include/fxcrt/fx_basic.h"
#include "xfa/src/fxbarcode/pdf417/BC_PDF417Compaction.h"

class CBC_Compaction;
class CBC_BarcodeRow;
class CBC_BarcodeMatrix;

class CBC_PDF417 {
 public:
  CBC_PDF417();
  CBC_PDF417(FX_BOOL compact);
  virtual ~CBC_PDF417();
  CBC_BarcodeMatrix* getBarcodeMatrix();
  void generateBarcodeLogic(CFX_WideString msg,
                            int32_t errorCorrectionLevel,
                            int32_t& e);
  void setDimensions(int32_t maxCols,
                     int32_t minCols,
                     int32_t maxRows,
                     int32_t minRows);
  void setCompaction(Compaction compaction);
  void setCompact(FX_BOOL compact);

 private:
  static int32_t START_PATTERN;
  static int32_t STOP_PATTERN;
  static int32_t CODEWORD_TABLE[][1000];
  static FX_FLOAT PREFERRED_RATIO;
  static FX_FLOAT DEFAULT_MODULE_WIDTH;
  static FX_FLOAT HEIGHT;
  CBC_BarcodeMatrix* m_barcodeMatrix;
  FX_BOOL m_compact;
  Compaction m_compaction;
  int32_t m_minCols;
  int32_t m_maxCols;
  int32_t m_maxRows;
  int32_t m_minRows;

 private:
  static int32_t calculateNumberOfRows(int32_t m, int32_t k, int32_t c);
  static int32_t getNumberOfPadCodewords(int32_t m,
                                         int32_t k,
                                         int32_t c,
                                         int32_t r);
  static void encodeChar(int32_t pattern, int32_t len, CBC_BarcodeRow* logic);
  void encodeLowLevel(CFX_WideString fullCodewords,
                      int32_t c,
                      int32_t r,
                      int32_t errorCorrectionLevel,
                      CBC_BarcodeMatrix* logic);
  CFX_Int32Array* determineDimensions(int32_t sourceCodeWords,
                                      int32_t errorCorrectionCodeWords,
                                      int32_t& e);
};

#endif  // XFA_SRC_FXBARCODE_PDF417_BC_PDF417_H_