2021-10-11 18:37:13 -03:00

29 lines
682 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.
*/
/* @(#)bg.h 1.1 94/10/31 SMI; from UCB 5.1 4/30/85 */
/*
* Displays plot files on a bbn bitgraph terminal.
*/
#include <stdio.h>
#include <math.h>
#define ESC 033
#define PI 3.141592659
/* The graphics address range is 0..XMAX, 0..YMAX. */
#define XMAX 768
#define YMAX 1024
#define scaleX(xi) ((int) ((xi - lowx)*scale +0.5))
#define scaleY(yi) ((int) ((yi - lowy)*scale +0.5))
extern int currentx;
extern int currenty;
extern double lowx;
extern double lowy;
extern double scale;