FreeBSD manual
download PDF document: XCreateRegion.3.pdf
XCreateRegion(3) XLIB FUNCTIONS XCreateRegion(3)
NAME
XCreateRegion, XSetRegion, XDestroyRegion - create or destroy regions
SYNTAX
Region XCreateRegion(void);
int XSetRegion(Display *display, GC gc, Region r);
int XDestroyRegion(Region r);
ARGUMENTS
display Specifies the connection to the X server.
gc Specifies the GC.
r Specifies the region.
DESCRIPTION
The XCreateRegion function creates a new empty region.
The 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.
The XDestroyRegion function deallocates the storage associated with a
specified region.
SEE ALSO
XEmptyRegion(3), XIntersectRegion(3)
Xlib - C Language X Interface
X Version 11 libX11 1.8.7 XCreateRegion(3)