10 #ifndef QWT_PLOT_MAGNIFIER_H 
   11 #define QWT_PLOT_MAGNIFIER_H 
   13 #include "qwt_global.h" 
   14 #include "qwt_axis_id.h" 
   15 #include "qwt_magnifier.h" 
   38     void setAxisEnabled( QwtAxisId, 
bool on );
 
   39     bool isAxisEnabled( QwtAxisId ) 
const;
 
   42     const QWidget* canvas() 
const;
 
   48     virtual void rescale( 
double factor ) QWT_OVERRIDE;
 
QwtMagnifier provides zooming, by magnifying in steps.
virtual void rescale(double factor)=0
QwtPlotMagnifier provides zooming, by magnifying in steps.