CallbackBoundingRects.h

/******************************************************************************************************
 * (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_BOUNDING_RECTS_H
#define CALLBACK_BOUNDING_RECTS_H
 
#include "CallbackSearchReturn.h"
#include <QPointF>
#include <QRectF>
#include <QString>
#include "Transformation.h"
 
class Point;
 
class CallbackBoundingRects
{
public:
  CallbackBoundingRects(const Transformation &transformation);
 
  QRectF boundingRectGraph (bool &isEmpty) const;
 
  QRectF boundingRectScreen (bool &isEmpty) const;
 
  CallbackSearchReturn callback (const QString &curveName,
                                 const Point &point);
 
private:
  CallbackBoundingRects();
 
  void mergeCoordinates (const QPointF &pos,
                         QRectF &boundingRect);
 
  bool m_isEmpty;
  const Transformation m_transformation;
  QRectF m_boundingRectGraph;
  QRectF m_boundingRectScreen;
};
 
#endif // CALLBACK_BOUNDING_RECTS_H