27 lines
867 B
C
27 lines
867 B
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.
|
|
*/
|
|
/* @(#)aed.h 1.1 94/10/31 SMI; from UCB 5.2 6/5/85 */
|
|
|
|
/*
|
|
* 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 */
|