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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
.\"
.\" Permission is hereby granted, free of charge, to any person obtaining
.\" a copy of this software and associated documentation files (the
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.\" The above copyright notice and this permission notice shall be included
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
.\" Digital Equipment Corporation
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.\" Portions Copyright \(co 1990, 1991 by
.\" Tektronix, Inc.
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.\" Permission to use, copy, modify and distribute this documentation for
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.\" $XFree86: xc/doc/man/X11/XPolyReg.man,v 1.3 2003/04/28 22:17:56 herrb Exp $
.\"
.ds xT X Toolkit Intrinsics \- C Language Interface
.ds xW Athena X Widgets \- C Language X Toolkit Interface
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.TH XPolygonRegion 3X11 __xorgversion__ "XLIB FUNCTIONS"
.SH NAME
XPolygonRegion, XClipBox \- generate regions
.SH SYNTAX
.HP
Region XPolygonRegion\^(\^XPoint \fIpoints\fP[]\^, int \fIn\fP\^, int
\fIfill_rule\fP\^); 
.HP
int XClipBox\^(\^Region \fIr\fP\^, XRectangle *\fIrect_return\fP\^); 
.SH ARGUMENTS
.IP \fIfill_rule\fP 1i
Specifies the fill-rule you want to set for the specified GC.
You can pass 
.ZN EvenOddRule
or
.ZN WindingRule .
.IP \fIn\fP 1i
Specifies the number of points in the polygon. 
.IP \fIpoints\fP 1i
Specifies an array of points.
.IP \fIr\fP 1i
Specifies the region.
.IP \fIrect_return\fP 1i
Returns the smallest enclosing rectangle.
.SH DESCRIPTION
The
.ZN XPolygonRegion
function returns a region for the polygon defined by the points array.
For an explanation of fill_rule,
see
.ZN XCreateGC .
.LP
The
.ZN XClipBox
function returns the smallest rectangle enclosing the specified region.
.SH "SEE ALSO"
XCreateGC(3X11),
XDrawPoint(3X11),
XDrawRectangle(3X11)
.br
\fI\*(xL\fP