open.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
/*
* Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
* All Rights Reserved.
*/
/*
* 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()
{
void 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);
}