GridHealerHorizontal.h

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/******************************************************************************************************
 * (C) 2018 markummitchell@github.com. This file is part of Engauge Digitizer, which is released      *
 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission.     *
 ******************************************************************************************************/
 
#ifndef GRID_HEALER_HORIZONTAL_H
#define GRID_HEALER_HORIZONTAL_H
 
#include "GridHealerAbstractBase.h"
#include "GridIndependentToDependent.h"
#include <QImage>
 
class DocumentModelGridRemoval;
class GridLog;
class QImage;
class QTextStream;

class GridHealerHorizontal : public GridHealerAbstractBase
{
 public:

  GridHealerHorizontal(GridLog &gridLog,
                       const DocumentModelGridRemoval &modelGridRemoval);
 
  virtual void applyMutualPairs (const QImage &image);
  virtual void doHealingAcrossGaps (QImage &image);
 
 private:
  GridHealerHorizontal();

  void doHealingOnBelowAndAboveRangePair (QImage &image,
                                          int xBelowStart,
                                          int xBelowEnd,
                                          int xAboveStart,
                                          int xAboveEnd);

  void doHealingOnBelowRange (QImage &image,
                              int xBelowStart,
                              int xBelowEnd,
                              int maxHorSep);

  GridIndependentToDependent m_blackPixelsBelow; // (x,y) pairs in line parallel to vertical line on -y side
  GridIndependentToDependent m_blackPixelsAbove; // (x,y) pairs in line parallel to vertical line on +y side
};
 
#endif // GRID_HEALER_HORIZONTAL_H