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afmtodit - create font files for use with groff -Tps

 

NAME

        afmtodit - create font files for use with groff -Tps
 

SYNOPSIS

        afmtodit [ -mnsvx ] [ -a n ] [ -d desc_file ] [ -e enc_file ] [ -i n ]
                 afm_file map_file font
 
        The whitespace between an command  line  option  and  its  argument  is
        optional.
 

DESCRIPTION

        afmtodit creates a font file for use with groff and grops.  afmtodit is
        written in perl; you must have perl version 5.004 or newer installed in
        order to run afmtodit.
 
        afm_file is the AFM (Adobe Font Metric) file for the font.
 
        map_file  is a file that says which groff character names map onto each
        PostScript character name; this file should contain a sequence of lines
        of the form
 
               ps_char groff_char
 
        where ps_char is the PostScript name of the character and groff_char is
        the groff name of the character (as used in the groff font file).   The
        same ps_char can occur multiple times in the file; each groff_char must
        occur at most once.  Lines starting with # and blank lines are ignored.
        If the file isn’t found in the current directory, it is searched in the
        ‘devps/generate’ subdirectory of the default font directory.
 
        If a PostScript character is not named as uniXXXX (XXXX are four upper‐
        case  hexadecimal  digits),  and  is  not  mentioned in map_file, and a
        generic groff glyph name can’t be deduced using the  Adobe  Glyph  List
        (AGL, built into afmtodit), then afmtodit puts the PostScript character
        into the groff font file as an unnamed  character  which  can  only  be
        accessed by the \N escape sequence in troff.  If option -e is not spec‐
        ified, the encoding defined in the AFM file (i.e.,  entries  with  non-
        negative character codes) is used.  Please refer to section ‘Using Sym‐
        bols’ in the groff info file which describes how groff glyph names  are
        constructed.
 
        Characters  not encoded in the AFM file (i.e., entries which have -1 as
        the character code) are still available in groff; they get glyph  index
        values  greater  than  255  (or greater than the biggest character code
        used in the AFM file in the unlikely case that it is greater than  255)
        in  the  groff  font file.  Glyph indices of unencoded characters don’t
        have a specific order; it is best to access them with glyph names only.
 
        The groff font file will be output to a file called font.
 
        If  there is a downloadable font file for the font, it may be listed in
        the file /usr/share/groff_font/devps/download; see grops(1).
 
        If the -i option is  used,  afmtodit  will  automatically  generate  an
        italic  correction, a left italic correction and a subscript correction
        for each character (the significance of these parameters  is  explained
        in  groff_font(5));  these  parameters  may be specified for individual
        characters by adding to the afm_file lines of the form:
 
               italicCorrection ps_char n
               leftItalicCorrection ps_char n
               subscriptCorrection ps_char n
 
        where ps_char is the PostScript name of the character,  and  n  is  the
        desired  value  of the corresponding parameter in thousandths of an em.
        These parameters are normally  needed  only  for  italic  (or  oblique)
        fonts.
 

OPTIONS

        -an    Use  n  as the slant parameter in the font file; this is used by
               groff in the positioning of accents.  By default  afmtodit  uses
               the  negative of the ItalicAngle specified in the afm file; with
               true italic fonts it is sometimes desirable to use a slant  that
               is  less  than this.  If you find that characters from an italic
               font have accents placed too far to the right  over  them,  then
               use the -a option to give the font a smaller slant.
 
        -ddesc_file
               The device description file is desc_file rather than the default
               DESC.  If not found in the current directory, the ‘devps’ subdi‐
               rectory  of the default font directory is searched (this is true
               for both the default device description file and  a  file  given
               with option -d).
 
        -eenc_file
               The  PostScript  font  should  be  reencoded to use the encoding
               described in enc_file.  The format of enc_file is  described  in
               grops(1).   If  not  found in the current directory, the ‘devps’
               subdirectory of the default font directory is searched.
 
        -in    Generate an italic correction for each  character  so  that  the
               character’s  width  plus  the  character’s  italic correction is
               equal to n thousandths of an em plus the  amount  by  which  the
               right  edge  of  the character’s bounding box is to the right of
               the character’s origin.  If this  would  result  in  a  negative
               italic correction, use a zero italic correction instead.
 
               Also generate a subscript correction equal to the product of the
               tangent of the slant of the font and four fifths of the x-height
               of  the  font.   If  this would result in a subscript correction
               greater than the italic correction, use a  subscript  correction
               equal to the italic correction instead.
 
               Also  generate a left italic correction for each character equal
               to n thousandths of an em plus the amount by which the left edge
               of  the  character’s  bounding box is to the left of the charac‐
               ter’s origin.  The left italic correction may be negative unless
               option -m is given.
 
               This  option  is  normally  needed only with italic (or oblique)
               fonts.  The font files distributed with groff were created using
               an option of -i50 for italic fonts.
 
        -m     Prevent  negative  left  italic  correction  values.  Roman font
               files distributed with groff were created with -i0 -m to improve
               spacing with eqn(1).
 
        -n     Don’t  output  a ligatures command for this font.  Use this with
               constant-width fonts.
 
        -s     The font is special.  The effect of this option is  to  add  the
               special command to the font file.
 
        -v     Print version.
 
        -x     Don’t use the built-in Adobe Glyph List.
 

FILES

        /usr/share/groff_font/devps/DESC
               Device description file.
 
        /usr/share/groff_font/devps/F
               Font description file for font F.
 
        /usr/share/groff_font/devps/download
               List of downloadable fonts.
 
        /usr/share/groff_font/devps/text.enc
               Encoding used for text fonts.
 
        /usr/share/groff_font/devps/generate/textmap
               Standard mapping.
        groff(1), grops(1), groff_font(5), perl(1)
 
        The groff info file, section ‘Using Symbols’.
 

Sections

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