PlotArea.h

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#ifndef PLOT_AREA_H
#define PLOT_AREA_H

#include <qwt_plot_item.h>

class PlotArea : public QwtPlotItem
{
  //=====================================================================================
  // Enums
  //=====================================================================================
  enum Type { Rect, XInterval, YInterval };

  //=====================================================================================
  // Constructors and destructor
  //=====================================================================================
  public:
    PlotArea();
    virtual ~PlotArea();

  //=====================================================================================
  // Signals
  //=====================================================================================

  //=====================================================================================
  // Slots
  //=====================================================================================

  //=====================================================================================
  // Methods
  //=====================================================================================
  public:
    Type type() const { return m_type; }
    void setBrush( QBrush brush ) { m_brush = brush; }
    QBrush brush() const { return m_brush; }
    void setRect( double xLowerBound, double yLowerBound,
                  double xUpperBound, double yUpperBound );
    QRectF rect() const { return m_rect; }
    void setXInterval( double lowerBound, double upperBound );
    double xIntervalLowerBound() const { return m_xIntervalLowerBound; }
    double xIntervalUpperBound() const { return m_xIntervalUpperBound; }
    void setYInterval( double lowerBound, double upperBound );
    double yIntervalLowerBound() const { return m_yIntervalLowerBound; }
    double yIntervalUpperBound() const { return m_yIntervalUpperBound; }

    virtual int rtti() const;
    virtual void draw( QPainter* painter, const QwtScaleMap& xMap,
                       const QwtScaleMap& yMap, const QRect& canvasRect ) const;

  //=====================================================================================
  // Members
  //=====================================================================================
  private:
    Type   m_type;
    QBrush m_brush;
    int    m_alpha;
    double m_xIntervalLowerBound;
    double m_xIntervalUpperBound;
    double m_yIntervalLowerBound;
    double m_yIntervalUpperBound;
    QRectF m_rect;
};

#endif