10 #ifndef QWT_PLOT_ZONE_ITEM_H    11 #define QWT_PLOT_ZONE_ITEM_H    13 #include "qwt_global.h"    14 #include "qwt_plot_item.h"    15 #include "qwt_interval.h"    38     virtual int rtti() 
const;
    40     void setOrientation( Qt::Orientation );
    41     Qt::Orientation orientation();
    43     void setInterval( 
double min, 
double max );
    47     void setPen( 
const QColor &, qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
    48     void setPen( 
const QPen & );
    49     const QPen &pen() 
const;
    51     void setBrush( 
const QBrush & );
    52     const QBrush &brush() 
const;
    54     virtual void draw( QPainter *,
    56         const QRectF &) 
const;
 Base class for items on the plot canvas. 
Definition: qwt_plot_item.h:64
A scale map. 
Definition: qwt_scale_map.h:30
virtual void draw(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const  =0
Draw the item. 
virtual int rtti() const 
Definition: qwt_plot_item.cpp:120
virtual QRectF boundingRect() const 
Definition: qwt_plot_item.cpp:537
A plot item, which displays a zone. 
Definition: qwt_plot_zoneitem.h:31
A class representing an interval. 
Definition: qwt_interval.h:26