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File: web2c.info, Node: mf invocation, Next: Initial Metafont, Up: Metafont
5.1 `mf' invocation
===================
Metafont (usually invoked as `mf') reads character definitions
specified in the Metafont programming language, and outputs the
corresponding font. This section merely describes the options available
in the Web2c implementation. For a complete description of the Metafont
language, see `The Metafontbook' (*note References::).
Metafont processes its command line and determines its memory dump
(base) file in a way exactly analogous to MetaPost and TeX (*note tex
invocation::, and *note Memory dumps::). Synopses:
mf [OPTION]... [MFNAME[.mf]] [MF-COMMANDS]
mf [OPTION]... \FIRST-LINE
mf [OPTION]... &BASE ARGS
Most commonly, a Metafont invocation looks like this:
mf '\mode:=MODE; mag:=MAGNIFICATION; input MFNAME'
(The single quotes avoid unwanted interpretation by the shell.)
Metafont searches the usual places for the main input file MFNAME
(*note Supported file formats: (kpathsea)Supported file formats.),
extending MFNAME with `.mf' if necessary. To see all the relevant
paths, set the environment variable `KPATHSEA_DEBUG' to `-1' before
running the program. By default, Metafont runs an external program
named `mktexmf' to create any nonexistent Metafont source files you
input. You can disable this at configure-time or runtime (*note mktex
configuration: (kpathsea)mktex configuration.). This is mostly for the
sake of the EC fonts, which can be generated at any size.
Metafont writes the main GF output to the file `BASEMFNAME.NNNgf',
where NNN is the font resolution in pixels per inch, and BASEMFNAME is
the basename of MFNAME, or `mfput' if no input file was specified. A
GF file contains bitmaps of the actual character shapes. Usually GF
files are converted immediately to PK files with GFtoPK (*note gftopk
invocation::), since PK files contain equivalent information, but are
more compact. (Metafont output in GF format rather than PK for only
historical reasons.)
Metafont also usually writes a metric file in TFM format to
`BASEMFNAME.tfm'. A TFM file contains character dimensions, kerns, and
ligatures, and spacing parameters. TeX reads only this .tfm file, not
the GF file.
The MODE in the example command above is a name referring to a
device definition (*note Modes::); for example, `localfont' or
`ljfour'. These device definitions must generally be precompiled into
the base file. If you leave this out, the default is `proof' mode, as
stated in `The Metafontbook', in which Metafont outputs at a resolution
of 2602dpi; this is usually not what you want. The remedy is simply to
assign a different mode--`localfont', for example.
The MAGNIFICATION assignment in the example command above is a
magnification factor; for example, if the device is 600dpi and you
specify `mag:=2', Metafont will produce output at 1200dpi. Very often,
the MAGNIFICATION is an expression such as `magstep(.5)', corresponding
to a TeX "magstep", which are factors of 1.2 * sqrt(2).
After running Metafont, you can use the font in a TeX document as
usual. For example:
\font\myfont = newfont
\myfont Now I am typesetting in my new font (minimum hamburgers).
The program accepts the following options, as well as the standard
`-help' and `-version' (*note Common options::):
`-[no]-file-line-error'
`-fmt=FMTNAME'
`-halt-on-error'
`-ini'
`-interaction=STRING'
`-jobname=STRING'
`-kpathsea-debug=NUMBER'
`-[no]parse-first-line'
`-output-directory'
`-progname=STRING'
`-recorder'
`-translate-file=TCXFILE'
`-8bit'
These options are common to TeX, Metafont, and MetaPost. *Note
Common options::.
`-mktex=FILETYPE'
`-no-mktex=FILETYPE'
Turn on or off the `mktex' script associated with FILETYPE. The
only value that makes sense for FILETYPE is `mf'.
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
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