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Annotation of 42BSD/usr.lib/libplot/t300/open.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char sccsid[] = "@(#)open.c     4.1 (Berkeley) 6/27/83";
        !             3: #endif
        !             4: 
        !             5: #
        !             6: #include <sgtty.h>
        !             7: /* gsi plotting output routines */
        !             8: # define DOWN 012
        !             9: # define UP 013
        !            10: # define LEFT 010
        !            11: # define RIGHT 040
        !            12: # define BEL 007
        !            13: # define ACK 006
        !            14: # define CR 015
        !            15: # define FF 014
        !            16: # define VERTRESP 48
        !            17: # define HORZRESP 60.
        !            18: # define HORZRES 6.
        !            19: # define VERTRES 8.
        !            20: /* down is line feed, up is reverse oyne feed,
        !            21:    left is bwckspace, right is space.  48 points per inch
        !            22:    vertically, 60 horizontally */
        !            23: 
        !            24: int xnow, ynow;
        !            25: int OUTF;
        !            26: struct sgttyb ITTY, PTTY;
        !            27: float HEIGHT = 6.0, WIDTH = 6.0, OFFSET = 0.0;
        !            28: int xscale, xoffset, yscale;
        !            29: float botx = 0., boty = 0., obotx = 0., oboty = 0.;
        !            30: float scalex = 1., scaley = 1.;
        !            31: 
        !            32: openpl ()
        !            33: {
        !            34:        int reset();
        !            35:                xnow = ynow = 0;
        !            36:                OUTF = 1;
        !            37:                printf("\r");
        !            38:                gtty(OUTF, &ITTY);
        !            39:                signal (2, reset);
        !            40:                PTTY = ITTY;
        !            41:                PTTY.sg_flags &= ~CRMOD;        /* don't map lf */
        !            42:                /* initialize constants */
        !            43:                xscale  = 4096./(HORZRESP * WIDTH);
        !            44:                yscale = 4096 /(VERTRESP * HEIGHT);
        !            45:                xoffset = OFFSET * HORZRESP;
        !            46:                return;
        !            47: }
        !            48: 
        !            49: openvt(){
        !            50: openpl();
        !            51: }

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