XPolygonRegion(3X11)RISC/os Reference Manual XPolygonRegion(3X11)



NAME
     XPolygonRegion, XClipBox - generate regions

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

     XClipBox(r, rect_return)
           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 Win-
               dingRule.

     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 enclos-
     ing the specified region.

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

















                         Printed 1/24/91         Release 4 Page 1