/*- * Copyright (c) 1980, 1986, 1993 * The Regents of the University of California. All rights reserved. * * This module is believed to contain source code proprietary to AT&T. * Use and redistribution is subject to the Berkeley Software License * Agreement and your Software Agreement with AT&T (Western Electric). */ #ifndef lint static char sccsid[] = "@(#)circle.c 8.1 (Berkeley) 6/4/93"; #endif /* not lint */ #include "grnplot.h" /*--------------------------------------------------------- * Circle draws a circle. * * Results: None. * * Side Effects: * A circle of radius r is drawn at (x,y). * The current position is set to (x,y); *--------------------------------------------------------- */ circle(x, y, r) int x, y, r; { if (!ingrnfile) erase(); endvector(); printf("ARC\n"); outxy(x,y); outxy(x+r,y); outxy(x,y+r); outxy(x,y-r); outxy(x+r,y); outxy(x-r,y); printf("*\n%d 0\n0\n",linestyle); curx=x; cury=y; }