Sources_For_Linux/Qwt/doc/man/man3/QwtClipper.3

.TH "QwtClipper" 3 "Mon Dec 28 2020" "Version 6.1.6" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtClipper \- Some clipping algorithms\&.  

.SH SYNOPSIS
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.PP
.PP
\fC#include <qwt_clipper\&.h>\fP
.SS "Static Public Member Functions"

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.RI "static QPolygon \fBclipPolygon\fP (const QRect &, const QPolygon &, bool closePolygon=false)"
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.RI "static QPolygon \fBclipPolygon\fP (const QRectF &, const QPolygon &, bool closePolygon=false)"
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.RI "static QPolygonF \fBclipPolygonF\fP (const QRectF &, const QPolygonF &, bool closePolygon=false)"
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.RI "static QVector< \fBQwtInterval\fP > \fBclipCircle\fP (const QRectF &, const QPointF &, double radius)"
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.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\&.
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\fBParameters\fP
.RS 4
\fIclipRect\fP Clip rectangle 
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\fIcenter\fP Center of the circle 
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\fIradius\fP Radius of the circle
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\fBReturns\fP
.RS 4
Arcs of the circle 
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.SS "QPolygon QwtClipper::clipPolygon (const QRect & clipRect, const QPolygon & polygon, bool closePolygon = \fCfalse\fP)\fC [static]\fP"
Sutherland-Hodgman polygon clipping
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\fBParameters\fP
.RS 4
\fIclipRect\fP Clip rectangle 
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\fIpolygon\fP Polygon 
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\fIclosePolygon\fP True, when the polygon is closed
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\fBReturns\fP
.RS 4
Clipped polygon 
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.SS "QPolygon QwtClipper::clipPolygon (const QRectF & clipRect, const QPolygon & polygon, bool closePolygon = \fCfalse\fP)\fC [static]\fP"
Sutherland-Hodgman polygon clipping
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\fBParameters\fP
.RS 4
\fIclipRect\fP Clip rectangle 
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\fIpolygon\fP Polygon 
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\fIclosePolygon\fP True, when the polygon is closed
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\fBReturns\fP
.RS 4
Clipped polygon 
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.SS "QPolygonF QwtClipper::clipPolygonF (const QRectF & clipRect, const QPolygonF & polygon, bool closePolygon = \fCfalse\fP)\fC [static]\fP"
Sutherland-Hodgman polygon clipping
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\fBParameters\fP
.RS 4
\fIclipRect\fP Clip rectangle 
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\fIpolygon\fP Polygon 
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\fIclosePolygon\fP True, when the polygon is closed
.RE
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\fBReturns\fP
.RS 4
Clipped polygon 
.RE
.PP


.SH "Author"
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Generated automatically by Doxygen for Qwt User's Guide from the source code\&.