4.4BSD/usr/src/lib/libplot/gigi/open.c

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/*-
 * Copyright (c) 1980, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This module is believed to contain source code proprietary to AT&T.
 * Use and redistribution is subject to the Berkeley Software License
 * Agreement and your Software Agreement with AT&T (Western Electric).
 */

#ifndef lint
static char sccsid[] = "@(#)open.c	8.1 (Berkeley) 6/4/93";
#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()
{
	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);
}