aed.h 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) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
* All Rights Reserved.
*/
/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
/*
* Displays plot files on an AED512 graphics terminal.
*/
#include <stdio.h>
#include <sgtty.h>
extern char dbuf[BUFSIZ]; /* Used to buffer display characters */
extern struct sgttyb sgttyb; /* Used to save terminal control bits */
extern curx, cury; /* Current screen position */
extern int xbot, ybot; /* Coordinates of screen lower-left corner */
extern int scale; /* The number of pixels per 2**12 units
* of world coordinates.
*/
/* The following variables describe the screen. */
#define GRXMAX 511 /* Maximum x-coordinate of screen */
#define GRYMAX 482 /* Maximum y-coordinate of screen */