afmtodit - create font files for use with groff -Tps


SYNOPSIS

       afmtodit [ -nsv ] [ -ddesc_file ] [ -eenc_file ] [ -in ]
                [ -an ] afm_file map_file font


DESCRIPTION

       afmtodit creates a font file for use with groff and grops.
       afmtodit  is written in perl; you must have perl version 3
       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.   font  is  the  groff  name  of  the  font.   If  a
       PostScript character is in the encoding to be used for the
       font but is not mentioned in map_file then  afmtodit  will
       put  it  in  the  groff font file as an unnamed character,
       which can be accessed by the \N escape sequence in  troff.
       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/1.17.2/font/devps/download; see grops(1).

       If the -i option is used, afmtodit will automatically gen­
       erate 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

       -v     Print version.

       -n     Don't  output  a  ligatures  command for this font.
              Use this with constant-width fonts.

              to add the special command to the font file.

       -ddesc_file
              The  device  description  file  is desc_file rather
              than the default DESC.

       -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).

       -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 ItalicAn­
              gle  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.

       -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 is to the right of the charac­
              ter'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 character's ori­
              gin.  The left italic correction may be negative.

              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.


FILES

       /usr/share/groff/1.17.2/font/devps/DESC
              Device description file.

              Font description file for font F.

       /usr/share/groff/1.17.2/font/devps/download
              List of downloadable fonts.

       /usr/share/groff/1.17.2/font/devps/text.enc
              Encoding used for text fonts.

       /usr/share/groff/1.17.2/font/devps/generate/textmap
              Standard mapping.


SEE ALSO

       groff(1), grops(1), groff_font(5), perl(1)


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