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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 internal_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 charac-
       ter 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 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, 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 posi-
	      tioning of accents.  By default afmtodit uses the negative of the ItalicAngle spec-
	      ified  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' subdirectory of the default font direc-
	      tory 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 sub-
	      script 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 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			 7 February 2013			      AFMTODIT(1)
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