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Annotation of 43BSDTahoe/usr.lib/libplot/bitgraph/bg.h, revision 1.1.1.1

1.1       root        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:  *
                      6:  *     @(#)bg.h        5.1 (Berkeley) 4/30/85
                      7:  */
                      8: 
                      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;

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