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NAME
gsftopk - render a ghostscript font in TeX pk form
SYNOPSIS
gsftopk [-i path] [-q] [-t] [--debug=n] [--dosnames] [--inter‐
preter=path] [--mapline=line] [--mapfile=file] [--quiet] [--test]
[--help] [--version] font dpi
ARGUMENTS
font Name of the font to be created.
dpi Desired resolution of the font to be created, in dots per inch.
This may be a real number.
DESCRIPTION
gsftopk is a program which calls up the ghostscript program gs(1) to
render a given font at a given resolution. It packs the resulting
characters into the pk file format and writes them to a file whose name
is formed from the font name and the resolution (rounded to the nearest
integer). The font may be in any format acceptable to Ghostscript,
including .pfa, .pfb, .gsf, and .ttf files.
This program should normally be called by a script, such as mktexpk, to
create fonts on demand.
gsftopk obtains the character widths from the .tfm file, which must
exist in the standard search path. It also must be able to find the
font in a map file (such as psfonts.map), formatted as in dvips(1)),
unless the --mapline option is used. The set of map files is given by
the --mapfile option, or in the files config.ps, $HOME/.dvipsrc, and
config.gsftopk (as would be used by dvips -Pgsftopk).
The following pk "specials" are added at the end of the output file, to
provide an internal check on the contents of the file: "jobname=font",
"mag=1", "mode=modeless", and "pixels_per_inch=dpi". This is in accor‐
dance with the TeX Directory Standard (TDS).
OPTIONS
--debug=n
Set the Kpathsea debug flags according to the integer n.
--dosnames
Use a name of the form font.pk instead of font.dpipk.
-h, --help
Print a brief help synopsis and exit.
-i path, --interpreter=path
Use path as the Ghostscript interpreter.
--mapfile=file
Use file to look for the map information for font. This should
be the full name of the file (in other words, no path searching
algorithms are applied).
--mapline=line
Use line instead of looking for an entry in a map file. The
first word of line must match font.
-q, --quiet
Operate quietly; i.e., without writing any messages to the stan‐
dard output.
-t, --test
Test run: return zero status if the font can be found in the
map file(s), and nonzero status if it cannot. If this option is
specified, then the dpi argument is optional (since the font
will not be generated).
-v, --version
Print the version number and exit.
DVIPSRC Name of file to read instead of $HOME/.dvipsrc. This
should be the full name of the file (in other words, no
path searching algorithms are applied).
GSFTOPKFONTS See TFMFONTS.
GSFTOPKHEADERS See TEXPSHEADERS.
PSHEADERS See TEXPSHEADERS.
TEXCONFIG Colon-separated list of paths to search for map files.
An extra colon in the list will include the compiled-in
default paths at that point. A double slash will
enable recursive subdirectory searching at that point
in the path.
TFMFONTS Colon-separated list of paths to search for the .tfm
file associated with the font. Double slashes and
extra colons behave as with TEXCONFIG. This informa‐
tion may also be supplied by using the environment
variables TFMFONTS or GSFTOPKFONTS. These environment
variables are checked in the order GSFTOPKFONTS, TFM
FONTS, TFMFONTS; the first one (if any) having a value
is used.
TEXPSHEADERS Colon-separated list of paths to search for the
Ghostscript driver file render.ps and for any
PostScript header or font files (.enc, .pfa, .pfb,
.gsf, or .ttf files). Double slashes and extra colons
behave as with TEXCONFIG. This information may also be
supplied by using the environment variables PSHEADERS
or GSFTOPKHEADERS. These environment variables are
checked in the order GSFTOPKHEADERS, TEXPSHEADERS,
PSHEADERS; the first one (if any) having a value is
used.
TFMFONTS See TFMFONTS.
CONFIGURATION
In order to determine the set of map files to be used and the path for
finding PostScript files, gsftopk reads, in order, the files config.ps,
.dvipsrc, and config.gsftopk. The files config.ps and config.gsftopk
are searched for using the environment variable TEXCONFIG, the Kpathsea
configuration file, or the compiled-in default paths. The file .dvip
src is searched for in the user’s home directory.
These files are in the same format as for dvips (as well as being in
the same locations). The entries used by gsftopk are as follows.
H path Indicates that the Ghostscript driver file render.ps and the
PostScript header and font files are to be searched for using
path.
p file Indicates that the list of map files is to be erased and
replaced by file.
p +file
Indicates that file is to be added to the list of map files.
All other entries are ignored.
This is similar to the handling of these options when running dvips
-Pgsftopk. For more details, see the Kpathsea manual.
BUGS
gsftopk sometimes has trouble with fonts with very complicated charac‐
ters (such as the Seal of the University of California). This is
because gsftopk uses the charpath operator to determine the bounding
box of each character. If the character is too complicated, then old
versions of Ghostscript fail, causing gsftopk to terminate with an
error message
Call to gs stopped by signal 10
(The number may vary from system to system; it corresponds to a bus
error or a segmentation fault.) The best way to fix this bug is to
install a current version of ghostscript. As an alternative, gsftopk
can be instructed to use the bounding box provided with the font (if
one exists) instead of finding a bounding box for each character. To
do this, include the string
/usefontbbox true def
in the font map file; e.g.,
ucseal "/usefontbbox true def"
This will not affect use of the font by dvips.
gs(1), gftopk(1), tex(1), xdvi(1), dvips(1)
AUTHOR
Written by Paul Vojta. This program was inspired by Karl Berry’s
gsrenderfont.
MODIFICATIONS
Modified by Yves Arrouye to use Karl Berry’s Kpathsea library.
28 November 1998 GSFTOPK(1)