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Name | Synopsis | Description | Options | Files | See Also | COLOPHON |
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tfmtodit(1) General Commands Manual tfmtodit(1)
tfmtodit - create font files for use with groff -Tdvi
tfmtodit [-s] [-g gf-file] [-k skew-char] tfm-file map-file font
tfmtodit --help
tfmtodit -v
tfmtodit --version
tfmtodit creates a font file for use with “groff -Tdvi”. tfm-file is
the name of the TeX font metric file for the font. map-file is a
file giving the groff names for characters in the font; this file
should consist of a sequence of lines of the form
i c1 ... cn
where i is a decimal integer giving the position of the character in
the font, and c1 through cn are are the groff names of the character.
If a character has no groff names but exists in tfm-file, then it
will be put in the groff font file as an unnamed character. The
groff font file is written to font.
The -s option should be given if the font is “special”, meaning that
groff should search it whenever a character is not found in the
current font. In that case, font should be listed as an argument to
the fonts directive in the DESC file; if it is not special, there is
no need to list it, since groff can automatically mount it when it is
first used.
To do a good job of math typesetting, groff requires font metric
information not present in tfm-file. This is because TeX has
separate math italic fonts, whereas groff uses normal italic fonts
for math. The additional information required by groff is given by
the two arguments to the math_fit macro in the Metafont programs for
the Computer Modern fonts. In a text font (a font for which math_fit
is false), Metafont normally ignores these two arguments. Metafont
can be made to put this information into the GF (“generic font”)
files it produces by loading the following definition after cmbase
when creating cm.base.
def ignore_math_fit(expr left_adjustment,right_adjustment) =
special "adjustment";
numspecial left_adjustment*16/designsize;
numspecial right_adjustment*16/designsize;
enddef;
For the EC font family, load the following definition after exbase—it
is probably easiest to patch exbase.mf locally.
def ignore_math_fit(expr left_adjustment,right_adjustment) =
ori_special "adjustment";
ori_numspecial left_adjustment*16/designsize;
ori_numspecial right_adjustment*16/designsize;
enddef;
The only difference from the previous example is the “ori_” prefix to
“special” and “numspecial”.
The GF file created using this modified cm.base or exbase.mf should
be specified with the -g option, which should not be given for a font
for which math_fit is true.
--help displays a usage message, while -v and --version show version
information; all exit afterward.
-g gf-file
Use the gf-file produced by Metafont containing “special” and
numspecial commands to obtain additional font metric
information.
-k skew-char
The skew charcter of this font is at position skew-char.
skew-char should be an integer; it may be given in decimal,
with a leading 0 in octal, or with a leading 0x in
hexadecimal. Any kerns whose second component is skew-char
are ignored.
-s Add the special directive to the generated file font.
/usr/local/share/groff/1.22.4/font/devdvi/DESC
Device description file.
/usr/local/share/groff/1.22.4/font/devdvi/F
Font description file for font F.
groff(1), grodvi(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 2020-07-14. (At that
time, the date of the most recent commit that was found in the repos‐
itory was 2020-07-12.) 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 1.22.4.234-3ba6 16 May 2020 tfmtodit(1)
Pages that refer to this page: grodvi(1), groff(1)
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