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Annotation of 43BSDReno/lib/libplot/grn/circle.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1980, 1986 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  */
                      6: 
                      7: #ifndef lint
                      8: static char sccsid[] = "@(#)circle.c   6.1 (Berkeley) 8/29/86";
                      9: #endif not lint
                     10: 
                     11: 
                     12: #include "grnplot.h"
                     13: 
                     14: /*---------------------------------------------------------
                     15:  *     Circle draws a circle.
                     16:  *
                     17:  *     Results:        None.
                     18:  *
                     19:  *     Side Effects:
                     20:  *     A circle of radius r is drawn at (x,y).
                     21:  *     The current position is set to (x,y);
                     22:  *---------------------------------------------------------
                     23:  */
                     24: circle(x, y, r)
                     25: int x, y, r;
                     26: {
                     27:        if (!ingrnfile) erase();
                     28:        endvector();
                     29:        printf("ARC\n");
                     30:        outxy(x,y);
                     31:        outxy(x+r,y);
                     32:        outxy(x,y+r);
                     33:        outxy(x,y-r);
                     34:        outxy(x+r,y);
                     35:        outxy(x-r,y);
                     36:        printf("*\n%d 0\n0\n",linestyle);
                     37:        curx=x;
                     38:        cury=y;
                     39: }

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