XIntersectRegion(3X11)					XIntersectRegion(3X11)

NAME
       XIntersectRegion,  XUnionRegion, XUnionRectWithRegion, XSubtractRegion,
       XXorRegion, XOffsetRegion, XShrinkRegion - region arithmetic

SYNOPSIS
       XIntersectRegion(sra, srb, dr_return)
	       Region sra, srb, dr_return;

       XUnionRegion(sra, srb, dr_return)
	       Region sra, srb, dr_return;

       XUnionRectWithRegion(rectangle, src_region, dest_region_return)
	       XRectangle *rectangle;
	       Region src_region;
	       Region dest_region_return;

       XSubtractRegion(sra, srb, dr_return)
	       Region sra, srb, dr_return;

       XXorRegion(sra, srb, dr_return)
	       Region sra, srb, dr_return;

       XOffsetRegion(r, dx, dy)
	       Region r;
	       int dx, dy;

       XShrinkRegion(r, dx, dy)
	       Region r;
	       int dx, dy;

ARGUMENTS
       Returns the destination region.	Returns the result of the computation.
       Specify	the  x	and y coordinates, which define the amount you want to
       move or shrink the specified region.  Specifies the region.   Specifies
       the  rectangle.	Specify the two regions with which you want to perform
       the computation.	 Specifies the source region to be used.

DESCRIPTION
       The XIntersectRegion function computes the intersection of two regions.

       The XUnionRegion function computes the union of two regions.

       The XUnionRectWithRegion function updates the destination region from a
       union of the specified rectangle and the specified source region.

       The  XSubtractRegion  function  subtracts  srb  from sra and stores the
       results in dr_return.

       The XXorRegion function calculates the difference between the union and
       intersection of two regions.

       The  XOffsetRegion  function  moves the specified region by a specified
       amount.

       The XShrinkRegion function reduces the specified region by a  specified
       amount.	Positive  values  shrink  the size of the region, and negative
       values expand the region.

SEE ALSO
       XCreateRegion(3X11), XDrawRectangle(3X11), XEmptyRegion(3X11)

       Xlib -- C Language X Interface

							XIntersectRegion(3X11)

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