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.TH "QwtClipper" 3 "Thu Dec 11 2014" "Version 6.1.2" "Qwt User's Guide" \" -*- nroff -*-
.ad l
.nh
.SH NAME
QwtClipper \-
.PP
Some clipping algorithms\&.
.SH SYNOPSIS
.br
.PP
.PP
\fC#include <qwt_clipper\&.h>\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 ¢er, doubleradius)\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, boolclosePolygon = \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, boolclosePolygon = \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, boolclosePolygon = \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\&.
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