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#!/bin/sh
########################################################################
## cat-bdf-fonts.sh: a script to concatenate the contents of the given
## BDF font into one BDF font.
## created 1998-10-10 00:28 Jim Knoble <jmknoble@pobox.com>
## autodate: 1999-Aug-17 00:46
########################################################################
if [ -n "${DEBUG}" ]; then
set -x
fi
PrintHelp() {
cat <<EndOfHelp
Usage: $0 [-o <outfile> [-b]] [-p <font>] \\
[-a <add-style>] [-r <registry>] [-e <encoding>] \\
<font> [<font> ...]
Concatenate the given BDF-format fonts to standard output.
Options:
-o <outfile> Concatenate to <outfile> instead of stdout.
-b Make a backup of <outfile> in <outfile>~.
-p <font> Include the preamble of <font> as the preamble for
the output font. If not specified, use the preamble
from the first font given on the command line.
-n <name> Set the value of the FAMILY_NAME field in the
output font to <name>.
-a <add-style> Set the value of the ADD_STYLE_NAME field in the
output font to <add-style>.
-r <registry> Set the value of the CHARSET_REGISTRY field in the
output font to <registry>.
-e <encoding> Set the value of the CHARSET_ENCODING field in the
output font to <encoding>.
EndOfHelp
}
########################################################################
## Some useful variables and functions
SuffixBackup="~"
SuffixBdf=".bdf"
OutputFile="font${SuffixBdf}"
PreambleFont=""
MakeBackup=0
CharPattern="^(STARTCHAR|ENCODING|SWIDTH|DWIDTH|BBX|BITMAP|ENDCHAR|[0-9A-F][0-9A-F]*$)"
EndPattern="ENDFONT"
GetBdfPreamble() {
egrep -v "${CharPattern}" | grep -v "${EndPattern}"
}
GetBdfChars() {
egrep "${CharPattern}"
}
## Assign a value to a font property
## syntax: cat <bdffile> | FontProp <num-preceding> <name> <value>
## For example: cat blah.bdf | FontProp 12 CHARSET_REGISTRY ISO8859
FontProp() {
local n
local name
local val
n=$1
name=$2
val="$3"
sed -e 's/^FONT[[:space:]][[:space:]]*\(\(-[^-]*\)\{'"${n}"'\}\)-[^-]*\(.*\)$/FONT \1-'"${val}"'\3/' \
-e 's/^'"${name}"'[[:space:]][[:space:]]*".*".*$/'"${name}"' "'"${val}"'"/'
}
MakeFamilyName() {
FontProp 1 FAMILY_NAME "$1"
}
MakeAddStyle() {
FontProp 5 ADD_STYLE_NAME "$1"
}
MakeRegistry() {
FontProp 12 CHARSET_REGISTRY "$1"
}
MakeEncoding() {
FontProp 13 CHARSET_ENCODING "$1"
}
########################################################################
## Process command-line options
while [ -n "$*" ]; do
case "$1" in
-h|--help)
PrintHelp
exit 1
;;
-b|--backup)
shift
MakeBackup=1
;;
-o|--output)
shift
OutputFile="$1"
shift
;;
-p|--preamble)
shift
PreambleFont="$1"
shift
;;
-a|--add-style)
shift
AddStyle="$1"
shift
;;
-n|--name)
shift
Name="$1"
shift
;;
-r|--registry)
shift
CharsetRegistry="$1"
shift
;;
-e|--encoding)
shift
CharsetEncoding="$1"
shift
;;
*)
break
;;
esac
done
if [ -z "$*" ]; then
echo "`basename $0`: No BDF fonts specified."
exit 1
fi
if [ -z "${PreambleFont}" ]; then
PreambleFont="$1"
fi
BackupFile="${OutputFile}${SuffixBackup}"
########################################################################
## Create the preamble
PropFilters=""
if [ -n "${Name}" ]; then
PropFilters="${PropFilters} | MakeFamilyName '${Name}'"
fi
if [ -n "${AddStyle}" ]; then
PropFilters="${PropFilters} | MakeAddStyle '${AddStyle}'"
fi
if [ -n "${CharsetRegistry}" ]; then
PropFilters="${PropFilters} | MakeRegistry '${CharsetRegistry}'"
fi
if [ -n "${CharsetEncoding}" ]; then
PropFilters="${PropFilters} | MakeEncoding '${CharsetEncoding}'"
fi
TmpFile="`mktemp tmpfont.XXXXXX`" || exit 1
eval "cat '${PreambleFont}' | GetBdfPreamble ${PropFilters} >'${TmpFile}'"
## Now add the characters from the fonts in order
for FontName in "$@"; do
cat "${FontName}" | GetBdfChars >>"${TmpFile}"
done
echo ENDFONT >>"${TmpFile}"
## Finally, figure out how many characters are in the font
NumChars=`echo -n \`cat "${TmpFile}" | grep '^ENCODING' | wc -l\``
if [ ${MakeBackup} -gt 0 -a -e "${OutputFile}" ]; then
cp -pf "${OutputFile}" "${BackupFile}"
fi
cat "${TmpFile}" | \
sed -e 's/^CHARS[[:space:]][[:space:]]*.*$/CHARS '"${NumChars}"'/' \
>${OutputFile}
rm -f "${TmpFile}"
## -------- End of file --------
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