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Annotation of 43BSDReno/lib/libplot/gigi/gigi.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:  *     @(#)gigi.h      5.1 (Berkeley) 5/7/85
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * Displays plot files on a gigi "graphics" terminal.
        !            11:  */
        !            12: 
        !            13: #include <stdio.h>
        !            14: #include <math.h>
        !            15: 
        !            16: #define ESC    033
        !            17: #define PI     3.141592659
        !            18: 
        !            19: /*
        !            20:  * The graphics address range is 0..XMAX, YMAX..0 where (0, YMAX) is the
        !            21:  * lower left corner.
        !            22:  */
        !            23: #define XMAX   767
        !            24: #define YMAX   479
        !            25: #define xsc(xi)        ((int) ((xi -lowx)*scalex +0.5))
        !            26: #define ysc(yi)        ((int) (YMAX - (yi - lowy)*scaley +0.5))
        !            27: 
        !            28: extern int currentx;
        !            29: extern int currenty;
        !            30: extern double lowx;
        !            31: extern double lowy;
        !            32: extern double scalex;
        !            33: extern double scaley;

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