MosaicZoomTool.h

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#ifndef MosaicZoomTool_h
#define MosaicZoomTool_h

#include "MosaicTool.h"

#include <QPointer>

class QAction;
class QDoubleSpinBox;
class QGraphicsSceneMouseEvent;
class QLineEdit;
class QRect;

namespace Isis {
  class MosaicZoomTool : public MosaicTool {
      Q_OBJECT

    public:
      MosaicZoomTool(MosaicSceneWidget *);
      void updateResolutionBox();

      QList<QAction *> getViewActions();

    protected slots:
      void updateTool();

    protected:
      QAction *getPrimaryAction();
      QWidget *getToolBarWidget();
      void mouseButtonRelease(QPointF, Qt::MouseButton s);
      void mouseWheel(QPointF, int);
      void rubberBandComplete(QRectF r, Qt::MouseButton s);

    public slots:
      void zoomIn2X(QPointF center = QPointF());
      void zoomOut2X(QPointF center = QPointF());

      void zoomActual(QPointF center = QPointF());
      void zoomFit();
      void zoomFitWidth();
      void zoomFitHeight();
      void zoomManual();

    private:
      double limitZoomBy(double factor);
      void zoomBy(double factor, QPointF center = QPointF());
      QLineEdit *p_zoomLineEdit; 
      QDoubleSpinBox *p_scaleBox;
      double p_screenResolution;

      QPointer<QAction> m_zoomInAction;
      QPointer<QAction> m_zoomOutAction;
      QPointer<QAction> m_zoomFitAction;
  };
};

#endif