PlotCurve.h

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#ifndef PlotCurve_h
#define PlotCurve_h

#include <qwt_plot.h>
#include <qwt_plot_curve.h>
#include <qwt_plot_marker.h>
#include <qwt_symbol.h>
#include <qwt_plot_marker.h>

namespace Isis {
  class PlotCurve : public QwtPlotCurve {

    public:
      enum Units {
        Unknown,
        Band,
        CubeDN,
        Elevation,
        Percentage,
        PixelNumber,
        Meters,
        Kilometers,
        Wavelength
      };

      PlotCurve(Units xUnits, Units yUnits);
      ~PlotCurve();

      void attachMarkers();

      QColor color() const;
      QwtSymbol *markerSymbol() const;
      Units xUnits() const;
      Units yUnits() const;

      void setColor(const QColor &color);
      void setData(QwtSeriesData<QPointF> *data);
      void setPen(const QPen &pen);
      void setMarkerSymbol(QwtSymbol::Style style);
      void setMarkerVisible(bool visible);

    protected:
      QByteArray fromByteArray(const QByteArray &classData);
      QByteArray toByteArray() const;

    private:
      PlotCurve(const PlotCurve &other);
      PlotCurve &operator=(const PlotCurve &other);

      void clearMarkers();
      void recreateMarkers();

    private:
      QColor m_color;
      QwtSymbol *m_markerSymbol; 
      QList<QwtPlotMarker *> m_valuePointMarkers;
      Units m_xUnits;
      Units m_yUnits;
  };
};
#endif