CallbackNextOrdinal.h

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/******************************************************************************************************
 * (C) 2014 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 CALLBACK_NEXT_ORDINAL_H
#define CALLBACK_NEXT_ORDINAL_H
 
#include "CallbackSearchReturn.h"
#include <QPointF>
#include <QString>
 
class Point;
 
class CallbackNextOrdinal
{
public:
  CallbackNextOrdinal(const QString &curveName);
 
  CallbackSearchReturn callback (const QString &curveName,
                                 const Point &point);
 
  double nextOrdinal () const;
 
private:
  CallbackNextOrdinal();
 
  QString m_curveName;
  double m_maxOrdinalUsed;
};
 
#endif // CALLBACK_NEXT_ORDINAL_H