NAME

XCreateRegion, XSetRegion, XDestroyRegion − create or destroy regions

SYNTAX

Region XCreateRegion()

XSetRegion(display, gc, r)
      Display ∗display;
      GC gc;
      Region r;

XDestroyRegion(r)
      Region r;

ARGUMENTS

displaySpecifies the connection to the X server. 

gcSpecifies the GC. 

rSpecifies 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(3X11), XIntersectRegion(3X11)
Xlib − C Language X Interface

  —  X Version 11  —  Release 6