Manual pages › X Window and screen libraries (3X)
XPolyReg(3X)
generate regions
From the original Amiga UNIX 2.1 manual. Some things it mentions may not be in this release.
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
Xlib - C Language X Interface XWIN 3.0 Last change: 9/1/88 .ie t XWIN 3.0 Last change: 9/1/88 .ie t