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XXorRegion()							  XXorRegion()

Name
  XXorRegion  –	 calculate the difference between the union and intersec‐
  tion of two regions.

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

Arguments
  sra	    Specify the two regions on which you want to perform the com‐
  srb	    putation.

  dr_return Returns the result of the computation.

Description
  XXorRegion()	calculates  the	 union	minus  the  intersection  of  two
  regions, and places it in dr_return.	Xor is short for "Exclusive  OR",
  meaning  that	 a  pixel is included in dr_return if it is set in either
  sra or srb but not in both.

  For more information on regions, see Volume  One,  Chapter  6,  Drawing
  Graphics and Text.

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(), XShrinkRegion(), XSubtrac‐
  tRegion(), XUnionRectWithRegion(), XUnionRegion().

Xlib - Regions							  XXorRegion()

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