.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
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.\" Portions Copyright \(co 1990, 1991 by
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.\"
.ds xT X Toolkit Intrinsics \- C Language Interface
.ds xW Athena X Widgets \- C Language X Toolkit Interface
.ds xL Xlib \- C Language X Interface
.ds xC Inter-Client Communication Conventions Manual
.TH XCreateRegion 3 "libX11 1.8.7" "X Version 11" "XLIB FUNCTIONS"
.SH NAME
XCreateRegion, XSetRegion, XDestroyRegion \- create or destroy regions
.SH SYNTAX
.HP
Region XCreateRegion\^(void\^);
.HP
int XSetRegion\^(\^Display *\fIdisplay\fP\^, GC \fIgc\fP\^, Region \fIr\fP\^);
.HP
int XDestroyRegion\^(\^Region \fIr\fP\^);
.SH ARGUMENTS
.IP \fIdisplay\fP 1i
Specifies the connection to the X server.
.IP \fIgc\fP 1i
Specifies the GC.
.IP \fIr\fP 1i
Specifies the region.
.SH DESCRIPTION
The
.B XCreateRegion
function creates a new empty region.
.LP
The
.B XSetRegion
function sets the clip-mask in the GC to the specified region.
The region is specified relative to the drawable's origin.
The resulting GC clip origin is implementation-dependent.
Once it is set in the GC,
the region can be destroyed.
.LP
The
.B XDestroyRegion
function deallocates the storage associated with a specified region.
.SH "SEE ALSO"
XEmptyRegion(3),
XIntersectRegion(3)
.br
\fI\*(xL\fP