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AFMTODIT(1)		    General Commands Manual		   AFMTODIT(1)

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

SYNOPSIS
       afmtodit	[ -mnsv	] [ -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  op-
       tional.

DESCRIPTION
       afmtodit	creates	a font file for	use with groff and grops.  afmtodit is
       written in perl;	you must have perl version 3 or	newer installed	in or-
       der 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 in the encoding to be used	for  the  font
       but  is	not  mentioned	in  map_file, or if a generic groff glyph name
       can't be	deduced	using the Adobe	Glyph List (built into afmtodit)  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.  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 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 de-
       sired  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 de-
	      scribed 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.

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		  1 May	2003			   AFMTODIT(1)

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

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