.TH "QwtClipper" 3 "Wed Jan 2 2019" "Version 6.1.4" "Qwt User's Guide" \" -*- nroff -*- .ad l .nh .SH NAME QwtClipper \- Some clipping algorithms\&. .SH SYNOPSIS .br .PP .PP \fC#include \fP .SS "Static Public Member Functions" .in +1c .ti -1c .RI "static QPolygon \fBclipPolygon\fP (const QRect &, const QPolygon &, bool closePolygon=false)" .br .ti -1c .RI "static QPolygon \fBclipPolygon\fP (const QRectF &, const QPolygon &, bool closePolygon=false)" .br .ti -1c .RI "static QPolygonF \fBclipPolygonF\fP (const QRectF &, const QPolygonF &, bool closePolygon=false)" .br .ti -1c .RI "static QVector< \fBQwtInterval\fP > \fBclipCircle\fP (const QRectF &, const QPointF &, double radius)" .br .in -1c .SH "Detailed Description" .PP Some clipping algorithms\&. .SH "Member Function Documentation" .PP .SS "QVector< \fBQwtInterval\fP > QwtClipper::clipCircle (const QRectF & clipRect, const QPointF & center, double radius)\fC [static]\fP" Circle clipping .PP \fBclipCircle()\fP divides a circle into intervals of angles representing arcs of the circle\&. When the circle is completely inside the clip rectangle an interval [0\&.0, 2 * M_PI] is returned\&. .PP \fBParameters:\fP .RS 4 \fIclipRect\fP Clip rectangle .br \fIcenter\fP Center of the circle .br \fIradius\fP Radius of the circle .RE .PP \fBReturns:\fP .RS 4 Arcs of the circle .RE .PP .SS "QPolygon QwtClipper::clipPolygon (const QRect & clipRect, const QPolygon & polygon, bool closePolygon = \fCfalse\fP)\fC [static]\fP" Sutherland-Hodgman polygon clipping .PP \fBParameters:\fP .RS 4 \fIclipRect\fP Clip rectangle .br \fIpolygon\fP Polygon .br \fIclosePolygon\fP True, when the polygon is closed .RE .PP \fBReturns:\fP .RS 4 Clipped polygon .RE .PP .SS "QPolygon QwtClipper::clipPolygon (const QRectF & clipRect, const QPolygon & polygon, bool closePolygon = \fCfalse\fP)\fC [static]\fP" Sutherland-Hodgman polygon clipping .PP \fBParameters:\fP .RS 4 \fIclipRect\fP Clip rectangle .br \fIpolygon\fP Polygon .br \fIclosePolygon\fP True, when the polygon is closed .RE .PP \fBReturns:\fP .RS 4 Clipped polygon .RE .PP .SS "QPolygonF QwtClipper::clipPolygonF (const QRectF & clipRect, const QPolygonF & polygon, bool closePolygon = \fCfalse\fP)\fC [static]\fP" Sutherland-Hodgman polygon clipping .PP \fBParameters:\fP .RS 4 \fIclipRect\fP Clip rectangle .br \fIpolygon\fP Polygon .br \fIclosePolygon\fP True, when the polygon is closed .RE .PP \fBReturns:\fP .RS 4 Clipped polygon .RE .PP .SH "Author" .PP Generated automatically by Doxygen for Qwt User's Guide from the source code\&.