XCreateRegion(3) | Library Functions Manual | 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 | XLIB FUNCTIONS