x11r4 man page for xpolygonregion

XPolygonRegion(3)						  XLIB FUNCTIONS						 XPolygonRegion(3)

NAME
       XPolygonRegion, XClipBox - generate regions

SYNTAX
       Region XPolygonRegion(XPoint points[], int n, int fill_rule);

       int XClipBox(Region r, XRectangle *rect_return);

ARGUMENTS
       fill_rule Specifies the fill-rule you want to set for the specified GC.	You can pass EvenOddRule or WindingRule.

       n	 Specifies the number of points in the polygon.

       points	 Specifies an array of points.

       r	 Specifies the region.

       rect_return
		 Returns the smallest enclosing rectangle.

DESCRIPTION
       The XPolygonRegion function returns a region for the polygon defined by the points array.  For an explanation of fill_rule, see XCreateGC.

       The XClipBox function returns the smallest rectangle enclosing the specified region.

SEE ALSO
       XCreateGC(3X11), XDrawPoint(3X11), XDrawRectangle(3X11)
       Xlib - C Language X Interface

X Version 11							   libX11 1.2.1 						 XPolygonRegion(3)