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XCreateRegion, XSetRegion, XDestroyRegion - create or destroy regions


Region XCreateRegion(void);
int XSetRegion(Display *display, GC gc, Region r);
int XDestroyRegion(Region r);


Specifies the connection to the X server.

Specifies the GC.

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.

See Also

XEmptyRegion(3X11) , XIntersectRegion(3X11)
Xlib - C Language X Interface

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