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Annotation of 43BSDTahoe/usr.lib/libplot/hp7221/hp7221.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:  *     @(#)hp7221.h    5.1 (Berkeley) 5/7/85
                      7:  *
                      8:  *
                      9:  * Displays plot files on an HP7221 plotter.
                     10:  * Cloned from bgplot.c and gigiplot.c by Jim Kleckner
                     11:  * Thu Jun 30 13:35:04 PDT 1983
                     12:  *  Requires a handshaking program such as hp7221cat to get
                     13:  *  the plotter open and ready.
                     14:  */
                     15: 
                     16: #include <stdio.h>
                     17: #include <math.h>
                     18: 
                     19: #define ESC    033
                     20: #define PI     3.141592659
                     21: #define ENDOFSTRING 03
                     22: 
                     23: /* The graphics address range is 0..XMAX, 0..YMAX. */
                     24: #define XMAX   1800
                     25: #define YMAX   1800
                     26: 
                     27: #define scaleX(xi)     ((int) ((xi - lowx)*scale +0.5))
                     28: #define scaleY(yi)     ((int) ((yi - lowy)*scale +0.5))
                     29: 
                     30: extern int currentx;
                     31: extern int currenty;
                     32: extern double lowx;
                     33: extern double lowy;
                     34: extern double scale;

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