//----------------------------------------------------------------- // This class shows how to extend QwtPlotItems. It displays a // pie chart of user/total/idle cpu usage in percent. //----------------------------------------------------------------- #include class CpuPieMarker: public QwtPlotItem { public: CpuPieMarker(); virtual int rtti() const; virtual void draw( QPainter *, const QwtScaleMap &, const QwtScaleMap &, const QRectF & ) const; };