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Annotation of 43BSDReno/lib/libplot/hp7221/hp7221.h, revision 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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