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Annotation of 43BSDTahoe/usr.lib/libplot/dumb/dumb.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:  *     @(#)dumb.h      5.1 (Berkeley) 5/7/85
        !             7:  *
        !             8:  *
        !             9:  * This accepts plot file formats and produces the appropriate plots
        !            10:  * for dumb terminals.  It can also be used for printing terminals and
        !            11:  * lineprinter listings, although there is no way to specify number of
        !            12:  * lines and columns different from your terminal.  This would be easy
        !            13:  * to change, and is left as an exercise for the reader.
        !            14:  */
        !            15: 
        !            16: #include <math.h>
        !            17: 
        !            18: #define scale(x,y) y = LINES-1-(LINES*y/rangeY +minY); x = COLS*x/rangeX + minX
        !            19: 
        !            20: extern int minX, rangeX;       /* min and range of x */
        !            21: extern int minY, rangeY;       /* min and range of y */
        !            22: extern int currentx, currenty;
        !            23: extern int COLS, LINES;
        !            24: 
        !            25: /* A very large screen! (probably should use malloc) */
        !            26: #define MAXCOLS                132
        !            27: #define MAXLINES       90
        !            28: 
        !            29: extern char screenmat[MAXCOLS][MAXLINES];

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