usr/src/lib/libplot/hp7221/open.c

#ifndef lint
static char sccsid[] = "@(#)open.c      4.1 (Berkeley) %G%";
#endif

/*
 * Displays plot files on an HP7221 plotter.
 * Cloned from bgplot.c and gigiplot.c by Jim Kleckner
 * Thu Jun 30 13:35:04 PDT 1983
 *  Requires a handshaking program such as hp7221cat to get
 *  the plotter open and ready.
 */

#include <signal.h>
#include "hp7221.h"

int currentx = 0;
int currenty = 0;
double lowx = 0.0;
double lowy = 0.0;
double scale = 1.0;

openpl()
{
        int closepl();

        /* catch interupts */
        signal(SIGINT, closepl);
        currentx = 0;
        currenty = 0;
        printf( "~VR~W" );
        putMBP( 800, 2000 );
        putMBP( 7600, 9600 );
        printf( "~S" );
        putMBP( XMAX, YMAX );
        printf( "vA~*z" );

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