/usr/share/latex-cjk-common/utils/subfonts/makefdx.pl is in latex-cjk-common 4.8.3+git20120914-2ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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#
# This script creates proper entries for an FDX file as used by the CJK
# package for LaTeX.
#
# As a prerequisite, it needs the file
#
# http://partners.adobe.com/public/developer/en/opentype/aglfn13.txt
#
# which must be located in the current directory.
#
# Call the script as
#
# perl [-u] makefdx.pl vertref-afm-file sfd-file encoding font-name
#
# `vertref-afm-file' is an AFM file as produced by the script `vertref.pe'.
# The subfont definition file `sfd-file' gives the subfont scheme to get the
# proper entries in the FDX file. `encoding' and `font-name' are TeX font
# parameters as used by the CJK package; the scripts uses the concatenation
# of those two values as the name of the FDX file (with suffix `.fdx').
#
# The switch `-u' makes the script add a macro to the FDX file (which is
# used by the CJKutf8.sty) to provide a proper /ToUnicode cmap to pdftex.
#
# Note that the created FDX file has to be completed manually.
#
# Examples:
#
# perl makefdx.pl bsmiuvr.afm UBig5.sfd c00 bsmi
#
# The result of this call is the file `c00bsmi.fdx' (you get some warnings
# because not all glyphs contained in bsmiuvr.afm can be accessed with Big5
# encoding).
#
# perl makefdx.pl -u bsmiuvr.afm Unicode.sfd c70 bsmi
#
# The result of this call is the file `c70bsmi.fdx'.
#
# A collection of useful subfont definition files for CJK fonts can be found
# in the ttf2pk package.
# Copyright (C) 1994-2012 Werner Lemberg <wl@gnu.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program in doc/COPYING; if not, write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301 USA
use strict;
my $prog = $0;
$prog =~ s@.*/@@;
my $is_unicode = 0;
if ($ARGV[0] eq "-u") {
$is_unicode = 1;
shift @ARGV;
}
if ($#ARGV != 3) {
die("usage: $prog [-u] vertref-afm-file sfd-file encoding font-name\n");
}
my $vertrefafmfile = $ARGV[0];
my $sfdfile = $ARGV[1];
my $encoding = $ARGV[2];
my $fontname = $ARGV[3];
my $fdxfile = $encoding . $fontname . ".fdx";
# Read AGL file.
my %agl;
read_aglfile("aglfn13.txt", \%agl);
# Read AFM file.
my @vertref;
read_afmfile($vertrefafmfile, \@vertref);
# Read subfont definition file.
my @sfd;
read_sfdfile($sfdfile, \@sfd);
# Write FDX file.
print("Writing extended font definition file \`$fdxfile'...\n");
open(FDX, ">", $fdxfile)
|| die("$prog: can't open \`$fdxfile': $!\n");
my $oldfh = select(FDX);
print("% This is the file $fdxfile of the CJK package
% for using Asian logographs (Chinese/Japanese/Korean) with LaTeX2e
%
% created by the script makefdx.pl for CJK Version 4.8.3 (07-May-2012).
\\def\\fileversion{4.8.3}
\\def\\filedate{2012/05/07}
\\ProvidesFile{$fdxfile}[\\filedate\\space\\fileversion]
\\CJKvdef{fullheight}{1em}
\\CJKvdef{height}{.88em}
\\CJKvdef{offset}{.6em}
% Uncomment if necessary.
%\\CJKvdef{norotate}{}
");
my @unicodes;
my $mapping_count = 0;
foreach my $index (0 .. $#vertref) {
my $glyphnameref = $vertref[$index];
my $unicode;
if (defined ($agl{$glyphnameref})) {
$unicode = $agl{$glyphnameref};
}
elsif ($glyphnameref =~ /^uni([0-9A-F]{4})$/) {
$unicode = hex($1);
}
elsif ($glyphnameref =~ /^u([0-9A-F]{4,6})$/) {
$unicode = hex($1);
}
else {
$unicode = -1;
}
if ($unicode == -1
|| ($unicode >= 0xD800 && $unicode <= 0xDFFF)
|| $unicode > 0x10FFFF) {
print(STDERR "Can't map glyph name \`$glyphnameref' to Unicode.\n");
$unicodes[$index] = -1;
next;
}
$unicodes[$index] = $unicode;
my $sfdentry;
if (defined ($sfd[$unicode])) {
$sfdentry = $sfd[$unicode];
}
else {
$unicodes[$index] = -1;
printf(STDERR "\`%s' (U+%04X) not in subfont encoding\n",
$glyphnameref, $unicode);
next;
}
$mapping_count++;
print("\\CJKvdef{m/n/$sfdentry}");
print("{\\def\\CJK\@plane{v}\\selectfont\\CJKsymbol{$index}}\n");
print("\\CJKvlet{bx/n/$sfdentry}");
print("{m/n/$sfdentry}\n");
}
if ($is_unicode) {
print("
\\gdef\\CJK\@cmap\@${fontname}v{
\\expandafter\\ifx\\csname CJK\@CMap\@${fontname}v\\endcsname \\relax
\\immediate\\pdfobj stream {
/CIDInit\\space/ProcSet\\space findresource\\space begin\\space
12\\space dict\\space begin\\space
begincmap\\space
/CIDSystemInfo\\space <<\\space
/Registry\\space (TeX)\\space
/Ordering\\space (${fontname}v)\\space
/Supplement\\space 0\\space >>\\space def\\space
/CMapName\\space /TeX-${fontname}v-0\\space def\\space
1\\space begincodespacerange\\space
<00>\\space <FF>\\space
endcodespacerange\\space
$mapping_count\\space beginbfchar\\space
");
foreach my $index (0 .. $#vertref) {
if ($unicodes[$index] != -1) {
printf(" <%02X>\\space <%04X>\\space\n",
$index, $unicodes[$index]);
}
}
print(" endbfchar\\space
endcmap\\space
CMapName\\space currentdict\\space /CMap\\space defineresource\\space
pop\\space
end\\space
end\\space}
\\expandafter\\xdef\\csname CJK\@CMap\@${fontname}v\\endcsname{
\\the\\pdflastobj}
\\fi
\\pdffontattr\\font\@name{
/ToUnicode\\space\\csname CJK\@CMap\@${fontname}v\\endcsname\\space 0\\space R}
}
\\endinput
");
}
# Read an AGL file.
#
# $1: Name of the AGL file.
# $2: Reference to the target hash file, mapping from the glyph name
# to the Unicode value.
sub read_aglfile {
my ($aglfile, $aglhash) = @_;
print("Reading Adobe Glyph List file \`$aglfile'...\n");
open(AGL, $aglfile)
|| die("$prog: can't open \`$aglfile': $!\n");
while (<AGL>) {
chop;
next if /^\s*$/;
next if /^#/;
my @field = split(";");
$aglhash->{$field[1]} = hex($field[0]);
}
close(AGL);
}
# Read an SFD file.
#
# $1: Name of the SFD file.
# $2: Reference to the target array file, mapping from the character code
# to the subfont index. The format of an array value is the
# concatenation of the subfont suffix, a slash, and the index.
sub read_sfdfile {
my ($sfdfile, $sfdarray) = @_;
print("Reading subfont definition file \`$sfdfile'...\n");
open(SFD, $sfdfile)
|| die("$prog: can't open \`$sfdfile': $!\n");
my $line;
my $continuation = 0;
while (<SFD>) {
chop;
next if /^\s*$/;
next if /^#/;
if ($continuation) {
$line .= $_;
}
else {
$line = $_;
}
$continuation = 0;
if ($line =~ s/\\$//) {
$continuation = 1;
next;
}
$_ = $line;
my @field = split(" ");
my $suffix = $field[0];
shift(@field);
my $index = 0;
while (@field) {
if ($field[0] =~ /(.*):$/) {
$index = $1;
}
elsif ($field[0] =~ /(.*)_(.*)/) {
my $start = $1;
my $end = $2;
$start = oct($start) if ($start =~ /^0/);
$end = oct($end) if ($end =~ /^0/);
foreach my $i ($start .. $end) {
$sfdarray->[$i] = "$suffix/$index";
$index++;
}
}
else {
my $value = $field[0];
$value = oct($value) if ($value =~ /^0/);
$sfdarray->[$value] = "$suffix/$index";
$index++;
}
shift(@field);
}
}
close(SFD);
}
# Read an AFM file.
#
# $1: Name of the AFM file.
# $2: Reference to array which maps glyph indices to glyph names.
sub read_afmfile {
my ($afmfile, $maparray) = @_;
print("Reading metrics file \`$afmfile'\n");
open(AFM, $afmfile)
|| die("$prog: can't open \`$afmfile': $!\n");
while (<AFM>) {
if (/^C \d+ ;/) {
/ N (.*?) ;/;
push (@$maparray, $1);
}
}
close(AFM);
}
# eof
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