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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | SEE ALSO | COPYING | COLOPHON |
TFMTODIT(1) General Commands Manual TFMTODIT(1)
tfmtodit - create font files for use with groff -Tdvi
nr a 0
tfmtodit [ -sv ] [ -ggf_file ] [ -kskewchar ] tfm_file map_file font
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:
n c1 c2 ...
where n is a decimal integer giving the position of the character in
the font, and c1, c2,... are the groff names of the character. If a
character has no groff names but exists in the tfm file, then it will
be put in the groff font file as an unnamed character. font is the
name of the groff font file. The groff font file is written to font.
The -s option should be given if the font is special (a font is
special if troff should search it whenever a character is not found
in the current font.) If the font is special, it should be listed in
the fonts command in the DESC file; if it is not special, there is no
need to list it, since troff can automatically mount it when it's
first used.
To do a good job of math typesetting, groff requires font metric
information not present in the tfm file. The reason for this is that
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_fitting is false), Metafont normally ignores these two
arguments. Metafont can be made to put this information in the gf
file 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 gf file created using this modified cm.base or exbase should be
specified with the -g option. The -g option should not be given for
a font for which math_fitting is true.
It is possible to have whitespace between a command line option and
its parameter.
-v Print the version number.
-s The font is special. The effect of this option is to add the
special command to the font file.
-kn The skewchar of this font is at position n. n should be an
integer; it may be given in decimal, or with a leading 0 in
octal, or with a leading 0x in hexadecimal. The effect of
this option is to ignore any kerns whose second component is
the specified character.
-ggf_file
gf_file is a gf file produced by Metafont containing special
and numspecial commands giving additional font metric
information.
/usr/local/share/groff/1.22.3/font/devdvi/DESC
Device description file.
/usr/local/share/groff/1.22.3/font/devdvi/F
Font description file for font F.
groff(1), grodvi(1), groff_font(5)
Copyright © 1989-2014 Free Software Foundation, Inc.
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Groff Version 1.22.3 4 November 2014 TFMTODIT(1)
Pages that refer to this page: grodvi(1), groff(1)