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Name | Synopsis | Description | Options | Files | See also | COLOPHON |
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afmtodit(1) General Commands Manual afmtodit(1)
afmtodit - adapt Adobe Font Metrics files for groff -Tps and
-Tpdf
afmtodit [-ckmnsx] [-a n] [-d desc-file] [-e enc-file]
[-f internal-name] [-i n] [-o output-file] afm-file map-
file font
afmtodit -v
afmtodit converts an Adobe Font Metric file, afm-file, for use
with the ps and pdf output drivers of groff(1). map-file
associates a groff character name with a PostScript character
name. Output is written to font, a file named for the intended
groff font name (but see the -o option).
afm-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 sought 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 a roff document. In particular, this is true for glyph
variants named in the form “foo.bar“; all glyph names containing
one or more periods are mapped to unnamed entities. Unless -e is
specified, the encoding defined in the AFM file (i.e., entries
with non-negative character codes) is used. Refer to section
“Using Symbols” in Groff: The GNU Implementation of troff, the
groff Texinfo manual, 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.
If there is a downloadable font file for the font, it may be
listed in the file /usr/local/share/groff/1.23.0/font/devps/
download; see grops(1).
If the -i option is used, afmtodit automatically generates an
italic correction, a left italic correction, and a subscript
correction for each character (the significance of these is
explained in groff_font(5)); they can 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. Such parameters are normally needed only for italic
(or oblique) fonts.
-a n 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
PostScript font.
-d desc-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 directory is
searched (this is true for both the default device
description file and a file given with option -d).
-e enc-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.
-f name
The internal name of the groff font is set to name.
-i n 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 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.
-o output-file
The output file is output-file instead of font.
-k Omit any kerning data from the groff font; use only for
monospaced (constant-width) 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 with
monospaced (constant-width) fonts.
-s The font is special; add the special command to the font
file.
-v Write version information to the standard output stream
and exit.
-x Don't use the built-in Adobe Glyph List.
/usr/local/share/groff/1.23.0/font/devps/DESC
Device description file.
/usr/local/share/groff/1.23.0/font/devps/F
Font description file for font F.
/usr/local/share/groff/1.23.0/font/devps/download
List of downloadable fonts.
/usr/local/share/groff/1.23.0/font/devps/text.enc
Encoding used for text fonts.
/usr/local/share/groff/1.23.0/font/devps/generate/textmap
Standard mapping.
Groff: The GNU Implementation of troff, by Trent A. Fisher and
Werner Lemberg, is the primary groff manual. Section “Using
Symbols” may be of particular note. You can browse it
interactively with “info '(groff)Using Symbols'”.
groff(1), gropdf(1), grops(1), groff_font(5)
This page is part of the groff (GNU troff) project. Information
about the project can be found at
⟨http://www.gnu.org/software/groff/⟩. If you have a bug report
for this manual page, see ⟨http://www.gnu.org/software/groff/⟩.
This page was obtained from the project's upstream Git repository
⟨https://git.savannah.gnu.org/git/groff.git⟩ on 2021-08-27. (At
that time, the date of the most recent commit that was found in
the repository was 2021-08-23.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
groff 1.23.0.rc1.654-4e1db-dir1t9yAugust 2021 afmtodit(1)
Pages that refer to this page: gropdf(1), grops(1)
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