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#!/usr/bin/perl
use Getopt::Std;
use integer;
use warnings; no warnings qw(uninitialized);
getopts "e:o:", \%options;
$0 =~ s!.*/!!;
die "Usage: $0 -e encoding [-o output] afmfile\n" if
@ARGV != 1 or !$options{e};
if ($options{o} and -e $options{o}) {
die "$0: output file exists\n";
}
if ((chop($fn = `kpsewhich $ARGV[0] 2>&1`) and -e $fn) or
(chop($fn = `findtexmf $ARGV[0] 2>&1`) and -e $fn))
{
open AFM, "<$fn" or die "Error: can't open `$fn' - $!\n";
}
else {
open AFM, "<$ARGV[0]" or
die "Error: can't open `$ARGV[0]' - $!\n";
}
{
local $/;
$_ = <AFM>;
}
$Time = localtime;
$FontInfo = /(.*)StartCharMetrics/s ? $1 : "";
$FontInfo =~ s/(?<=Comment ).*?$/Reencoded at $Time by $0 from $ARGV[0]/m;
$FontInfo =~ s/(?<=ItalicAngle )([\d.]+)/{$1 >= 32768 ? $1 - 65536 : $1}/me;
$FontInfo =~ s/\r+\n/\n/g;
if ($FontInfo =~ /FontName\s+([\w-]+)/) {$FontName = $1}
else {warn "Warning: no FontName found in file `$ARGV[0]'\n"}
for (/(WX.*?$)/gm) {/N\s+([\w.]+)/ and $WX{$1} = $_}
for (/(KPX.*?$)/gm) {/\s+([\w.]+)\s+([\w.]+)\s+(-?\d+)/ and $KPX{$1}{$2} = $3}
if ((chop($fn = `kpsewhich $options{e} 2>&1`) and -e $fn) or
(chop($fn = `findtexmf $options{e} 2>&1`) and -e $fn))
{
open ENC, "<$fn" or die "Error: can't open `$fn' - $!\n";
}
else {
open ENC, "<$options{e}" or
die "Error: can't open `$options{e}' - $!\n";
}
chop(@lines = <ENC>);
map s!%.*!!, @lines;
$_ = join "", @lines;
($n, $_) = m!/([\w-]+) \s* \[(.*)\] \s+ def!x;
@vector = m!([\w.]+)!g;
for $i (0 .. $#vector) {
next if $vector[$i] eq ".notdef";
if ($WX{$vector[$i]} =~ /WX\s+(-?\d+).*?N\s+([\w.]+).*?B\s+(.*?)\s+;/) {
($WX, $N, $B) = ($1, $2, $3);
push @WX, "C $i ; WX $WX ; N $N ; B $B ;\n";
}
for $j (0 .. $#vector) {
next if $vector[$j] eq ".notdef";
next unless $KPX{$vector[$i]}{$vector[$j]};
push @KPX,
"KPX $vector[$i] $vector[$j] $KPX{$vector[$i]}{$vector[$j]}\n";
}
}
if ($options{o}) {
($e = $options{e}) =~ s!.*/!!;
($f = $ARGV[0]) =~ s!.*/|\.afm!!g;
($o = $options{o}) =~ s!.*/|\.afm!!g;
$x = "pfb";
for (qw(pfb pfa ttf otf)) {
if (-e "$f.$_" or
(chop($fn = `kpsewhich "$f.$_" 2>&1`) and -e $fn) or
(chop($fn = `findtexmf "$f.$_" 2>&1`) and -e $fn))
{
$x = $_;
last;
}
}
print qq($o $FontName <$f.$x <[$e "$n ReEncodeFont"\n);
if (open OUT, ">$options{o}") {
select OUT;
}
else {
warn "Warning: can't create `$options{o}' - $!\n",
" printing to <STDOUT> instead\n";
}
}
$WX = @WX;
$KPX = @KPX;
print <<EOF;
$FontInfo
StartCharMetrics $WX
@{WX}EndCharMetrics
StartKernData
StartKernPairs $KPX
@{KPX}EndKernPairs
EndKernData
EndFontMetrics
EOF
__END__
=pod
=head1 NAME
afm2afm - reencode an F<afm> file
=head1 SYNOPSIS
afm2afm B<-e> I<encoding> [B<-o> I<output>] I<afmfile>
=head1 DESCRIPTION
This program reencodes an F<afm> file. It's mainly intended to be used with
F<afm> files that were extracted from TrueType or OpenType fonts, since these
are often too big to be handled with tools like F<fontinst> (Adobe's
CaflischScriptPro-Regular font, for example, contains 1289 glyphs and
278678 kerning pairs, leading to an F<afm> file of nearly 9MB).
Glyphs that are absent from the chosen encoding aren't written to the output,
which yields much smaller output files.
The program also generates an entry for a F<dvips>-style map file.
=head1 OPTIONS
Option names were chosen to match those of F<ttf2afm>.
=over 4
=item B<-e> I<encoding>
Reencode using the encoding given in file I<encoding>.
=item B<-o> I<output>
Write the reencoded F<afm> to file I<output> instead of C<stdout>.
The mapfile entry will still be written to C<stdout>.
=back
=head1 FILES
All input files are searched using B<kpsewhich> or B<findtexmf> when these
commands are available; otherwise only the current working directory
is searched.
=head1 SEE ALSO
F<autoinst>, F<cmap2enc>, F<font2afm>, F<ot2kpx>, F<pfm2kpx>.
=head1 AUTHOR
Marc Penninga <marc@penninga.info>
=head1 HISTORY
=over 12
=item I<2005-01-10>
First version
=item I<2005-01-25>
Added printing of mapfile entry
=item I<2005-02-18>
Rewrote some of the code
=item I<2005-03-08>
Input files searched via B<kpsewhich> (where available)
=item I<2005-03-15>
Input files searched using B<kpsewhich> or B<findtexmf> (if available)
=item I<2005-04-15>
Updated creation of mapfile entry; look for font file to deduce the correct
font file format (pfb, pfa, ttf). If no font file is found,
pfb is assumed.
=item I<2005-04-20>
Program quits if the specified output file exists
=item I<2005-04-29>
Improved the documentation
=item I<2005-07-29>
Some updates to the documentation
=item I<2006-01-12>
A few minor changes to the code
=back
=cut
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