MosaicSceneItem.h

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#ifndef MosaicItem_H
#define MosaicItem_H

#include <QAbstractGraphicsShapeItem>

class QGraphicsPolygonItem;

namespace geos {
  namespace geom {
    class MultiPolygon;
  }
}

namespace Isis {
  class Camera;
  class Image;
  class MosaicSceneWidget;
  class Projection;
  class PvlGroup;
  class Stretch;
  class UniversalGroundMap;

  class MosaicSceneItem : public QGraphicsObject {
      Q_OBJECT
    public:
      MosaicSceneItem(Image *image, MosaicSceneWidget *parent);
      ~MosaicSceneItem();

      virtual QRectF boundingRect() const;
      virtual void paint(QPainter *painter,
                         const QStyleOptionGraphicsItem *option,
                         QWidget *widget = 0);

      QColor color() const;
      Image *image() { return m_image; }
      QGraphicsSimpleTextItem *getLabel() const { return m_label; }

      void reproject();
      bool contains(const QPointF &) const;
      void updateSelection(bool);

      void scenePropertiesChanged() {
        updateChildren();
      }

    signals:
      void colorChanged();
      void changed(const QList<QRectF> &);

    public slots:
      void cubeDisplayChanged();

    protected:
      virtual bool sceneEvent(QEvent *event);

    protected:
      virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);

    private slots:
      void lostCubeDisplay();

    private:
      MosaicSceneItem(const MosaicSceneItem &); 
      MosaicSceneItem & operator=(const MosaicSceneItem &); 

      void updateChildren();
      Stretch *getStretch();

      MosaicSceneWidget *m_scene;

      geos::geom::MultiPolygon *m_mp; 
      geos::geom::MultiPolygon *m_180mp; 
      QList< QGraphicsPolygonItem * > *m_polygons;
      UniversalGroundMap *groundMap;

      void setupFootprint();
      void drawImage(QPainter *painter, const QStyleOptionGraphicsItem *option);

      double getPixelValue(int sample, int line);
      void setupStretch();

      Image *m_image;
      Stretch *m_cubeDnStretch;

      bool m_showingLabel;
      bool m_ignoreCubeDisplayChanged;

      QGraphicsSimpleTextItem *m_label;
  };
};

#endif