usr/src/usr.lib/libplot/gigi/open.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[] = "@(#)open.c      5.1 (Berkeley) 5/7/85";
#endif not lint

/*
 * Displays plot files on a gigi "graphics" terminal.
 */

#include <signal.h>
#include "gigi.h"

int currentx = 0;
int currenty = 0;
double lowx = 0.0;
double lowy = 0.0;
double scalex = 1.0;
double scaley = 1.0;

openpl()
{
        int closepl();

        /* catch interupts */
        signal(SIGINT, closepl);
        currentx = 0;
        currenty = 0;
        /* enter grapics mode */
        putchar(ESC); putchar('P'); putchar('p');

        /* set some parameters */
        printf("S(I0 T0 [0,0])");

        space(0, 0, XMAX, YMAX);
}