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XShrinkRegion()						       XShrinkRegion()

Name
  XShrinkRegion – reduce or expand the size of a region.

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

Arguments
  r	    Specifies the region.

  dx	    Specify the amounts by which you want to shrink or expand the
  dy	    specified region.  Positive values shrink  the  region  while
	    negative values expand the region.

Description
  XShrinkRegion()  changes  the	 width	and/or	height	of  the specified
  region.  Positive values shrink the region; negative values expand  the
  region.   It is legal to expand the region in one dimension at the same
  time as shrinking it in the other dimension.	The offset of the  region
  is  changed  to keep the center of the resized region near its original
  position.

  The exact amount of shrinkage for a given value for dx  or  dy  is  not
  specified by Xlib.

Structures
  Region is a pointer to an opaque structure type.

See Also
  XClipBox(),  XCreateRegion(), XDestroyRegion(), XEmptyRegion(), XEqual‐
  Region(), XIntersectRegion(), XOffsetRegion(), XPointInRegion(), XPoly‐
  gonRegion(),	XRectInRegion(), XSetRegion(), XSubtractRegion(), XUnion‐
  RectWithRegion(), XUnionRegion(), XXorRegion().

Xlib - Regions						       XShrinkRegion()

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