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Annotation of 43BSDTahoe/usr.lib/libplot/grn/circle.c, revision 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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