9 #ifndef QWT_POLAR_CANVAS_H
10 #define QWT_POLAR_CANVAS_H 1
12 #include "qwt_polar_global.h"
13 #include <qwt_point_polar.h>
62 const QPixmap *backingStore()
const;
63 void invalidateBackingStore();
65 QwtPointPolar invTransform(
const QPoint & )
const;
66 QPoint transform(
const QwtPointPolar & )
const;
69 virtual void paintEvent( QPaintEvent * );
70 virtual void resizeEvent( QResizeEvent * );