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Annotation of researchv10no/cmd/postscript/dpost/font.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *
        !             3:  * Characteristics of a font - for postprocessors. Differs some from the troff
        !             4:  * version.
        !             5:  *
        !             6:  */
        !             7: 
        !             8: #define ALPHABET       256             /* characters in basic alphabet */
        !             9: #define MAXCH          512
        !            10: #define MAXFONTS       99
        !            11: 
        !            12: /*
        !            13:  *
        !            14:  * State of a table entry in fonts[].
        !            15:  *
        !            16:  */
        !            17: 
        !            18: #define NEWFONT                0
        !            19: #define RELEASED       1
        !            20: #define INMEMORY       2
        !            21: 
        !            22: /*
        !            23:  *
        !            24:  * Flags - for setting bits in a font's flag field.
        !            25:  *
        !            26:  */
        !            27: 
        !            28: #define USED           1
        !            29: #define NAMED          2
        !            30: 
        !            31: #define skipline(f)    while ( getc(f) != '\n' )
        !            32: 
        !            33: /*
        !            34:  *
        !            35:  * Data about each character on a font. Omitted the ascender/descender field.
        !            36:  * An unsigned char is good enough for the code field on PostScript printers.
        !            37:  *
        !            38:  */
        !            39: 
        !            40: typedef struct {
        !            41:        short           num;    /* 0 means not on this font */
        !            42:        unsigned char   wid;    /* width */
        !            43:        unsigned char   code;   /* code for actual device. */
        !            44: } Chwid;
        !            45: 
        !            46: /*
        !            47:  *
        !            48:  * Font header - one for each available position.
        !            49:  *
        !            50:  */
        !            51: 
        !            52: typedef struct {
        !            53:        char    *path;          /* where it came from */
        !            54:        char    *name;          /* as known to troff */
        !            55:        char    *fontname;      /* real name (e.g. Times-Roman) */
        !            56:        char    state;          /* NEWFONT, RELEASED, or INMEMORY */
        !            57:        char    flags;          /* for now just USED and NAMED */
        !            58:        char    mounted;        /* mounted on this many positions */
        !            59:        char    specfont;       /* 1 == special font */
        !            60:        short   nchars;         /* number of width entries for this font */
        !            61:        Chwid   *wp;            /* widths, etc., of the real characters */
        !            62: } Font;
        !            63: 
        !            64: /*
        !            65:  *
        !            66:  * Non-integer functions.
        !            67:  *
        !            68:  */
        !            69: 
        !            70: extern char    *chname();
        !            71: extern char    *strsave();
        !            72: extern char    *allocate();
        !            73: 

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