13#include "qwt_global.h" 
   22#if QT_VERSION < 0x060000 
   33        QPolygon&, 
bool closePolygon = 
false );
 
   36        QPolygon&, 
bool closePolygon = 
false );
 
   39        QPolygonF&, 
bool closePolygon = 
false );
 
   42        const QPolygon&, 
bool closePolygon = 
false );
 
   45        const QPolygon&, 
bool closePolygon = 
false );
 
   48        const QPolygonF&, 
bool closePolygon = 
false );
 
   51        const QRectF&, 
const QPointF&, 
double radius );
 
 
A class representing an interval.
Some clipping algorithms.
QWT_EXPORT void clipPolygon(const QRect &, QPolygon &, bool closePolygon=false)
QWT_EXPORT QPolygonF clippedPolygonF(const QRectF &, const QPolygonF &, bool closePolygon=false)
QWT_EXPORT void clipPolygonF(const QRectF &, QPolygonF &, bool closePolygon=false)
QWT_EXPORT QVector< QwtInterval > clipCircle(const QRectF &, const QPointF &, double radius)
QWT_EXPORT QPolygon clippedPolygon(const QRect &, const QPolygon &, bool closePolygon=false)