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Annotation of coherent/b/bin/troff/fonts.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * fonts.h
        !             3:  * Nroff/Troff.
        !             4:  * Font handling header.
        !             5:  */
        !             6: 
        !             7: #define        NFNAMES 100                     /* max number of font names     */
        !             8: #define        NWIDTH  256                     /* number of width entries      */
        !             9: 
        !            10: /*
        !            11:  * The font table contains the user name and font index of each font.
        !            12:  */
        !            13: typedef struct {
        !            14:        char    f_name[2];
        !            15:        int     f_font;
        !            16: } FTB;
        !            17: 
        !            18: /*
        !            19:  * A font width table defines the widths of characters in a font.
        !            20:  * The entries in f_width * f_psz * f_num / f_den should
        !            21:  * be the widths in troff units; e.g., if the f_width table values are
        !            22:  * in 300ths of an inch, then f_psz * f_num / f_den should be 12/5.
        !            23:  * fwtable.c knows how to write one of these for PCL,
        !            24:  * fwtableps.c knows how to write one of these for PostScript, and
        !            25:  * fonts.c/load_font knows how to read one; they had better all agree.
        !            26:  * fonts.c also defines the three default troff FWTABs.
        !            27:  * Many of the members could be chars.
        !            28:  */
        !            29: typedef struct fwtab {
        !            30:        char            *f_descr;       /* descriptive name for font    */
        !            31:        char            *f_PSname;      /* PostScript font name         */
        !            32:        short           f_flags;        /* flag bits                    */
        !            33:        short           f_fonttype;     /* font type                    */
        !            34:        short           f_orientation;  /* portrait=0, landscape=1      */
        !            35:        short           f_spacing;      /* fixed=0, variable=1          */
        !            36:        short           f_symset;       /* symbol set                   */
        !            37:        short           f_pitch;        /* pitch                        */
        !            38:        short           f_psz;          /* point size (internal units)  */
        !            39:        short           f_style;        /* upright=0, italic=1          */
        !            40:        short           f_weight;       /* stroke weight                */
        !            41:        short           f_face;         /* typeface                     */
        !            42:        short           f_num;          /* width table numerator        */
        !            43:        short           f_den;          /* width table denominator      */
        !            44:        unsigned char   f_width[NWIDTH]; /* width table                 */
        !            45: } FWTAB;
        !            46: 
        !            47: /* FWTAB f_flags bits */
        !            48: #define        F_PCL           1               /* PCL font width table         */
        !            49: #define        F_PS            2               /* PostScript font width table  */
        !            50: #define        F_USED          4               /* Font has been used           */
        !            51: #define        F_FIXED         8               /* Font has fixed pointsize     */
        !            52: 
        !            53: /* Globals in fonts.c. */
        !            54: extern FTB     fontab[];               /* Font table                   */
        !            55: extern FWTAB   *fwptab[];              /* Font width table pointers    */
        !            56: extern int     nfonts;                 /* Number of fonts              */
        !            57: 
        !            58: /* end of fonts.h */

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