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XUnionRegion()							XUnionRegion()

Name
  XUnionRegion – compute the union of two regions.

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

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

  dr_return Returns the result of the computation.

Description
  XUnionRegion() computes the union of two regions and places the  result
  in  dr_return.   The resulting region will contain all the area of both
  the source regions.

  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(), XXorRegion().

Xlib - Regions							XUnionRegion()

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