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AFMTODIT(1)							   AFMTODIT(1)

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.

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

       The groff info file, section `Using Symbols'.

Groff Version 1.19.2		 27 June 2014			   AFMTODIT(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | SEE ALSO

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