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66c27cd0 DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | * | |
95f51977 | 6 | * @(#)bg.h 5.1 (Berkeley) 4/30/85 |
66c27cd0 DF |
7 | */ |
8 | ||
94561afa RC |
9 | /* |
10 | * Displays plot files on a bbn bitgraph terminal. | |
11 | */ | |
12 | ||
13 | #include <stdio.h> | |
14 | #include <math.h> | |
15 | ||
16 | #define ESC 033 | |
17 | #define PI 3.141592659 | |
18 | ||
19 | /* The graphics address range is 0..XMAX, 0..YMAX. */ | |
20 | #define XMAX 768 | |
21 | #define YMAX 1024 | |
22 | #define scaleX(xi) ((int) ((xi - lowx)*scale +0.5)) | |
23 | #define scaleY(yi) ((int) ((yi - lowy)*scale +0.5)) | |
24 | ||
25 | extern int currentx; | |
26 | extern int currenty; | |
27 | extern double lowx; | |
28 | extern double lowy; | |
29 | extern double scale; |