HistogramWidget.h

#ifndef HistogramWidget_h
#define HistogramWidget_h

#include "Cube.h"
#include "Stretch.h"
#include "Histogram.h"

#include <QWidget>
#include <QStackedWidget>
#include <QSlider>
#include <QLineEdit>
#include <QDoubleValidator>

#include <qwt_plot.h>
#include <qwt_plot_curve.h>
#include <qwt_legend.h>

#include "HistogramItem.h"

class QwtPlotZoomer;

namespace Isis {
  class HistogramWidget : public QwtPlot {
      Q_OBJECT

    public:
      HistogramWidget(const QString title, const QColor histColor = Qt::gray, const QColor stretchColor = Qt::darkGray);
      void setHistogram(const Histogram &hist);
      void setStretch(Stretch stretch);

      void clearStretch();

      int heightForWidth(int w) const {
        return w;
      }

    private slots:

    private:
      HistogramItem *p_histCurve;  
      QwtPlotCurve *p_stretchCurve;  
      QwtPlotZoomer *p_zoomer; 

      double p_min; 
      double p_max; 
  };
};

#endif