mmafm - Online in the Cloud

PROGRAM:

NAME

mmafm - creates AFM font metrics for multiple master fonts

SYNOPSIS

mmafm [OPTIONS...] font

DESCRIPTION

Mmafm creates AFM font metrics for PostScript multiple master fonts by interpolation. You
pass it an AMFM file (multiple master font metrics) and options specifying the design
point you want, and it writes the resulting AFM file to the standard output.

Each font argument is either the filename of an AFM or AMFM font metrics file, or a
PostScript font name. If you give a font name, mmafm will look up the actual font metrics
file using the PSRESOURCEPATH environment variable. This colon-separated path is searched
for `PSres.upr' files, an Adobe method for indexing PostScript resources.

You can also give the name of a multiple master font instance, like
`MinionMM_367_400_12_'. Mmafm will parse the font name and create that instance for you.
`PSres.upr' files must be set up for this to work.

Any multiple master font should be distributed with a single AMFM file and several AFM
files (one for each master). For Myriad, for example, the AMFM file is MyriadMM.amfm and
the AFM files are MyriadMM-LightCn.afm, MyriadMM-LightSemiEx.afm, MyriadMM-BlackCn.afm,
and MyriadMM-BlackSemiEx.afm. Mmafm needs to find all these files to function. For fonts
in the Adobe type library, you can download the necessary files from
<http://www.lcdf.org/type>; look for the mm-metrics package.

You must always supply the AMFM file (or its font name) on the command line, but mmafm
will look for any required AFM files you don't supply yourself. It tries the
PSRESOURCEPATH environment variable, and also looks for files named `FontName.afm' or
`FontName.AFM' in the directory that contained the AMFM file. (The Myriad filenames given
above fit this pattern.)

Mmafm supports fonts with intermediate masters, like Adobe Jenson and Kepler. If your
PSRESOURCEPATH environment variable is set up, it will handle these fonts automatically.
Otherwise, you must first run `mmpfb --amcp-info' on the font outline files to create
auxiliary AMCP files for these fonts. Each AMCP file should be in the same directory as
its corresponding AMFM file and should have the same root filename, but with a `.amcp'
extension instead of `.amfm'. See mmpfb(1) for more information.

EXAMPLE

% mmafm --weight=400 --width=600 MyriadMM.amfm > MyriadMM_400_600_.afm

OPTIONS

Long options may be abbreviated to their unique prefixes.

--output=file, -o file
Send output to file instead of standard output.

--weight=N, -w N
Set the weight axis to N.

--width=N, -W N
Set the width axis to N.

--optical-size=N, -O N
Set the optical size axis to N.

--style=N
Set the style axis to N.

--1=N (--2=N, --3=N, --4=N)
Set the first (second, third, fourth) axis to N.

--precision=N, -p N
Round output numbers so they have at most N digits after the decimal point. Smaller
numbers are less precise; `-p 0' rounds all numbers to integers. The default
precision is 3.

--min-kern=N, -k N
Only output kerning pairs whose absolute value is N or larger. Smaller minimum kerns
make kerning more precise and the output AFM file bigger. The default minimum kern is
2.0.

TROUBLESHOOTING

Some programs, such as TeX's fontinst, can choke on AFM files that include fractional
numbers. Therefore, if you have trouble with an AFM file, try rerunning mmafm with the
--precision=0 option.

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