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.TH CHKDVIFONT 1
\"=====================================================================
.if t .ds TX \fRT\\h'-0.1667m'\\v'0.20v'E\\v'-0.20v'\\h'-0.125m'X\fP
.if n .ds TX TeX
.\" LX definition must follow TX so LX can use TX
.if t .ds LX \fRL\\h'-0.36m'\\v'-0.15v'\s-2A\s0\\h'-0.15m'\\v'0.15v'\fP\*(TX
.if n .ds LX LaTeX
\"=====================================================================
.SH NAME
chkdvifont \- CHecK DVI/tfm/font file and tell informations of FONTs
.SH SYNOPSIS
.B chkdvifont
[\fB\-s\fR] [\fB\-c\fR] [\fB-{f|F}\fI<font_data_file>\fR]
[\fB\-d\fR]
\fIdvi_file_name\fR
.PP
.B chkdvifont
[\fB\-s\fR] [\fB\-c\fR] [\fB-{f|F}\fI<font_data_file>\fR]
[\fB\-t\fR]
\fItfm_file_name\fR
.PP
.B chkdvifont
[\fB\-s\fR] [\fB\-c\fR] [\fB-{f|F}\fI<font_data_file>\fR]
[\fB\-p\fR]
\fIfont_file_name\fR
.SH DESCRIPTION
.B Chkdvifont
is a utility to check DVI and other \*(TX font-related formats
(such as TFM, VF, GF and PK) and print information of those fonts.
There are 3 modes;
.PP
Option \fB\-d\fR: force DVI mode
.PP
Option \fB\-t\fR: force TFM/OFM mode
.PP
Option \fB\-p\fR: force other FONT mode
.PP
By default, the mode is guessed from the file extension.
.SH EXAMPLE
.TP 5
(1) If you want to know what font is used in sample.dvi,
$ chkdvifont sample.dvi
dvi file name = sample.dvi
comment = TeX output 2007.11.24:0632
factor converting to 10^{-5}m = 25400000/473628672
magnification = 1000
maximum width = 26083328 scaled points = 398 points
maximum height+depth = 11099063 scaled points = 169 points
maximum stack depth = 4
number of pages = 13
page size = 14.0 cm x 6.0 cm
page size magnificated = 14.0 cm x 6.0 cm
Font 14
checksum = 44D3ED74
design size = 1132462 scaled points = 17 points
space size = 1630536 scaled points = 24 points
magnification = +magstep2
font name = cmr17
Font 7
checksum = 4BF16079
design size = 655360 scaled points = 10 points
space size = 655360 scaled points = 10 points
font name = cmr10
.TP 5
(2) If you want to know the brief summary of jis.tfm,
$ chkdvifont jis.tfm
"jis" is a jfm file : 0 -> 5
checksum = 00000000
design size = 10485760 2^{-20} points = 10 points
.TP 5
(3) If you want to know what font is referred to by jis.vf,
$ chkdvifont jis.vf
"jis.vf" is in VF format
checksum = 00000000
design size = 10485760 2^{-20} points = 10 points
Mapped Font 1
font dsize = 10485760 2^{-20} points = 10 points
font at = 0.962216
font name = rml
.PP
Listing the fonts used in a DVI file (as shown in the first example)
is almost equivalent to
.B dvifontlist
in TeX-Guy package
<http://www-masu.ist.osaka-u.ac.jp/%7Ekakugawa/TeX-Guy/>
and a script
.B dviinfox
<https://ctan.org/pkg/dviinfox>.
I don't know any alternatives for obtaining information about TFM, OFM,
VF and other font formats.
.SH SEE ALSO
pltotf(1), tftopl(1), vptovf(1), vftovp(1)
.SH AUTHOR
The program
.B chkdvifont
(original name "chkfont")
is derived from the DVIOUT package (DVI previewer for Windows)
by Toshio OSHIMA ("SHIMA"), Yoshiki OTOBE, and Kazunori ASAYAMA.
Current version is maintained by Japanese \*(TX Development Community
<https://texjp.org>.
.br
For more information, please refer to
chkdvifont-ja.txt (in Japanese)
on our GitHub repository, <https://github.com/texjporg/tex-jp-build>
(under source/texk/dviout-util directory).
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