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Name | Synopsis | Description | Options | Exit status | Files | See also | COLOPHON |
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tfmtodit(1) General Commands Manual tfmtodit(1)
tfmtodit - adapt TeX Font Metrics files for use with groff and
grodvi
tfmtodit [-s] [-g gf-file] [-k skew-char] tfm-file map-file font-
description
tfmtodit --help
tfmtodit -v
tfmtodit --version
tfmtodit creates a font description file for use with groff(1)'s
dvi output device. tfm-file is the name of the TeX font metric
file for the font. map-file assigns groff ordinary or special
character identifiers to glyph indices in the font; it should
consist of a sequence of lines of the form
i c1 ... cn
where i is a position of the glyph in the font in decimal, and c1
through cn are glyph identifiers in the form used by groff font
descriptions. If a glyph has no groff names but exists in tfm-
file, it is put in the groff font description file as an unnamed
glyph. Output is written in groff_font(5) format to font-
description, a file named for the intended groff font name.
If the font is “special”, meaning that groff should search it
whenever a glyph is not found in the current font, use the -s
option and name font-description in the fonts directive in the
output device's DESC file.
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; consider patching 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 character 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 font description file.
tfmtodit exits with status 0 on successful operation, status 2 if
the program cannot interpret its command-line arguments, and
status 1 if it encounters an error during operation.
/usr/local/share/groff/1.23.0/font/devdvi/DESC
describes the dvi output device.
/usr/local/share/groff/1.23.0/font/devdvi/F
describes the font known as F on device dvi.
/usr/local/share/groff/1.23.0/font/devdvi/generate/ec.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/msam.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/msbm.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/tc.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/texb.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/texex.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/texi.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/texitt.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/texmi.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/texr.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/texsy.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/textex.map
/usr/local/share/groff/1.23.0/font/devdvi/generate/textt.map
map glyph indices in TeX fonts to groff ordinary and
special character identifiers. ec.map is used for TREC,
TIEC, TBEC, TBIEC, HREC, HIEC, HBEC, HBIEC, CWEC, and
CWIEC; msam.map for SA; msbm.map for SB; tc.map for TRTC,
TITC, TBTC, TBITC, HRTC, HITC, HBTC, HBITC, CWTC, and
CWITC; texb.map for TB, HR, HI, HB, and HBI; texex.map for
EX; texi.map for TI and TBI; texitt.map for CWI; texmi.map
for MI; texr.map for TR; texsy.map for S; textex.map for
SC; and textt.map for CW.
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 2025-02-02. (At
that time, the date of the most recent commit that was found in
the repository was 2025-01-28.) 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 1.23.0.2722-658f-dirty 2025-01-02 tfmtodit(1)
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HTML rendering created 2025-02-02 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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