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XPointInRegion()					      XPointInRegion()

Name
  XPointInRegion – determine if a point is inside a region.

Synopsis
  Bool XPointInRegion(r, x, y)
	Region r;
	int x, y;

Arguments
  r	    Specifies the region.

  x	    Specify  the x and y coordinates of the point relative to the
	    region's origin.
  y

Returns
  True if the point is inside the region, else False.

Description
  XPointInRegion() returns True if the point x, y  is  contained  in  the
  region  r.  A point exactly on the boundary of the region is considered
  inside the region.

  Regions are located using an offset from a point  (the  region  origin)
  which	 is common to all regions.  It is up to the application to inter‐
  pret the location of the region relative to a drawable.

  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(), XPolygonRegion(), XRect‐
  InRegion(),  XSetRegion(),  XShrinkRegion(), XSubtractRegion(), XUnion‐
  RectWithRegion(), XUnionRegion(), XXorRegion().

Xlib - Regions						      XPointInRegion()

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