usr/src/usr.lib/lib2648/line.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
static char sccsid[] = "@(#)line.c      5.1 (Berkeley) 4/30/85";
#endif not lint

/*
 * line: draw a line from point 1 to point 2.
 */

#include "2648.h"

line(x1, y1, x2, y2)
int x1, y1, x2, y2;
{
#ifdef TRACE
        if (trace)
                fprintf(trace, "line((%d, %d), (%d, %d)),", x1, y1, x2, y2);
#endif
        if (x1==_penx && y1==_peny) {
                /*
                 * Get around a bug in the HP terminal where one point
                 * lines don't get drawn more than once.
                 */
                move(x1, y1+1);
                sync();
        }
        move(x1, y1);
        draw(x2, y2);
}