Table of Contents
XCreateRegion, XSetRegion,
XDestroyRegion - create or destroy regions 
- Region XCreateRegion(void);
 
- int XSetRegion(Display *display, GC gc, Region r); 
- int XDestroyRegion(Region
r);  
- display
- Specifies the connection to the X server. 
- gc
- Specifies
the GC. 
- r
- Specifies the region. 
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. 
XEmptyRegion(3X11)
,
XIntersectRegion(3X11)
 
Xlib - C Language X Interface 
Table of Contents