9 #ifndef QWT_POLAR_MAGNIFIER_H 
   10 #define QWT_POLAR_MAGNIFIER_H 
   12 #include "qwt_global.h" 
   13 #include "qwt_magnifier.h" 
   38     void setUnzoomKey( 
int key, 
int modifiers );
 
   39     void getUnzoomKey( 
int& key, 
int& modifiers ) 
const;
 
   48     virtual void rescale( 
double factor ) QWT_OVERRIDE;
 
QwtMagnifier provides zooming, by magnifying in steps.
virtual void widgetKeyPressEvent(QKeyEvent *)
virtual void rescale(double factor)=0
Canvas of a QwtPolarPlot.
QwtPolarMagnifier provides zooming, by magnifying in steps.
A plotting widget, displaying a polar coordinate system.