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Annotation of researchv10dc/cmd/picasso/font.h, revision 1.1.1.1

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