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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 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 for 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. If option -e is not 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.
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/local/share/groff/1.22.4/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.
-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
PostScript 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 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 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.
-ooutput-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. The effect of this option is to add the
special command to the font file.
-v Print version and exit.
-x Don't use the built-in Adobe Glyph List.
/usr/local/share/groff/1.22.4/font/devps/DESC
Device description file.
/usr/local/share/groff/1.22.4/font/devps/F
Font description file for font F.
/usr/local/share/groff/1.22.4/font/devps/download
List of downloadable fonts.
/usr/local/share/groff/1.22.4/font/devps/text.enc
Encoding used for text fonts.
/usr/local/share/groff/1.22.4/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), perl(1)
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 2020-11-01. (At that
time, the date of the most recent commit that was found in the repos‐
itory was 2020-11-01.) 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 im‐
provements to the information in this COLOPHON (which is not part of
the original manual page), send a mail to man-pages@man7.org
groff 1.22.4.610-f543-dirty 28 October 2020 afmtodit(1)
Pages that refer to this page: groff(1), gropdf(1), grops(1), groff_font(5)
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