ControlPointGraphicsItem.h

#ifndef ControlPointGraphicsItem_h
#define ControlPointGraphicsItem_h

#include <QGraphicsRectItem>

class QPointF;

namespace Isis {
  class ControlPoint;
  class MosaicSceneWidget;
  class SerialNumberList;

  class ControlPointGraphicsItem : public QGraphicsRectItem {
    public:
      ControlPointGraphicsItem(QPointF center, QPointF apriori,
          ControlPoint *cp, SerialNumberList *snList, MosaicSceneWidget *scene,
          QGraphicsItem *parent);
      virtual ~ControlPointGraphicsItem();

      void paint(QPainter *, const QStyleOptionGraphicsItem *,
                 QWidget * widget = 0);

      ControlPoint *controlPoint();

      void setArrowVisible(bool visible, bool colorByMeasureCount, int measureCount,
                           bool colorByResidualMagnitude, double residualMagnitude);

    protected:
      void contextMenuEvent(QGraphicsSceneContextMenuEvent * event);

    private:
      QRectF calcRect() const;
      QRectF calcCrosshairRect() const;
      QPolygonF calcArrowHead() const;
      QString makeToolTip(SerialNumberList *snlist);

      QPointF *m_centerPoint;
      QPointF *m_origPoint;
      MosaicSceneWidget *m_mosaicScene;
      ControlPoint *m_controlPoint;
      bool m_showArrow;
      bool m_colorByMeasureCount;
      bool m_colorByResidualMagnitude;
      int m_measureCount;
      double m_residualMagnitude;
  };
}

#endif