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AFMTODIT(1)							   AFMTODIT(1)

NAME
       afmtodit - create font files for use with groff -Tps and -Tpdf

SYNOPSIS
       afmtodit [-ckmnsvx] [-a n] [-d desc_file] [-e enc_file] [-f inter‐
		nal_name] [-i n] [-o out_file] afm_file map_file font

       The whitespace between a	 command  line	option	and  its  argument  is
       optional.

DESCRIPTION
       afmtodit	 creates  a  font  file for use with groff, grops, and gropdf.
       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 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.  In particular, this	 is  true  for
       glyph  variants	like `foo.bar'; all glyph names containing one or more
       periods are mapped to unnamed entities.	If option -e is not specified,
       the  encoding  defined in the AFM file (i.e., entries with non-negative
       character codes) is used.  Please refer to section `Using  Symbols'  in
       the  groff  info	 file  which  describes how groff glyph names are con‐
       structed.

       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, unless the -o
       option is used.

       If there is a downloadable font file for the font, it may be listed  in
       the file /usr/share/groff/1.22.2/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.

       -c     Include comments in the font file in order to  identify  the  PS
	      font.

       -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.

       -fname The internal name of the groff font is set to name.

       -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.

       -oout_file
	      The output file is out_file instead of font.

       -k     Omit  any kerning data from the groff font.  This should be used
	      only for mono-spaced 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/1.22.2/font/devps/DESC
	      Device description file.

       /usr/share/groff/1.22.2/font/devps/F
	      Font description file for font F.

       /usr/share/groff/1.22.2/font/devps/download
	      List of downloadable fonts.

       /usr/share/groff/1.22.2/font/devps/text.enc
	      Encoding used for text fonts.

       /usr/share/groff/1.22.2/font/devps/generate/textmap
	      Standard mapping.

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

       The groff info file, section `Using Symbols'.

Groff Version 1.22.2	       07 February 2013			   AFMTODIT(1)
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