HistogramItem.h

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#ifndef HISTOGRAM_ITEM_H
#define HISTOGRAM_ITEM_H
 
#include <qglobal.h>
#include <qcolor.h>
 
#include "qwt_plot_item.h"
#include "qwt_series_data.h"
#include "CubeViewport.h"
 
class QRectF;
 
namespace Isis {
  class HistogramItem: public QObject, public QwtPlotItem {
    Q_OBJECT
 
    public:
      explicit HistogramItem(const QString &title = QString());
      explicit HistogramItem(const QwtText &title);
      virtual ~HistogramItem();
 
      void setData(const QwtIntervalSeriesData &data);
      const QwtIntervalSeriesData &data() const;
      QList <QPointF > getVertices() const;
      void setVertices(const QList <QPoint> &points);
      CubeViewport *getViewPort() const;
      void setViewPort(CubeViewport *cvp);
 
      void setColor(const QColor &);
      QColor color() const;
 
      virtual QRectF boundingRect() const;
 
      virtual int rtti() const;
 
      virtual void draw(QPainter *, const QwtScaleMap &xMap,
                        const QwtScaleMap &yMap, const QRectF &) const;
 
      void setBaseline(double reference);
      double baseline() const;
 
      enum HistogramAttribute {
        Auto = 0,
        Xfy = 1
      };
 
      void setHistogramAttribute(HistogramAttribute, bool on = true);
      bool testHistogramAttribute(HistogramAttribute) const;
 
    protected:
      virtual void drawBar(QPainter *,
                           Qt::Orientation o, const QRect &) const;
 
    private:
      void init();
 
      class PrivateData;
      PrivateData *d_data;
      QList <QPointF> p_pointList;
      CubeViewport *p_cvp;
  };
 
};
 
#endif