327 lines
9.5 KiB
Perl
327 lines
9.5 KiB
Perl
package PDF::API2::Resource::CIDFont::CJKFont;
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use base 'PDF::API2::Resource::CIDFont';
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use strict;
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no warnings qw[ deprecated recursion uninitialized ];
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our $VERSION = '2.033'; # VERSION
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use PDF::API2::Util;
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use PDF::API2::Basic::PDF::Utils;
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our $fonts = {};
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our $cmap = {};
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our $alias;
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our $subs;
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=head1 NAME
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PDF::API2::Resource::CIDFont::CJKFont - Base class for CJK fonts
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=head1 METHODS
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=over
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=item $font = PDF::API2::Resource::CIDFont::CJKFont->new $pdf, $cjkname, %options
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Returns a cjk-font object.
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Traditional Chinese: Ming Ming-Bold Ming-Italic Ming-BoldItalic
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Simplified Chinese: Song Song-Bold Song-Italic Song-BoldItalic
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Korean: MyungJo MyungJo-Bold MyungJo-Italic MyungJo-BoldItalic
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Japanese (Mincho): KozMin KozMin-Bold KozMin-Italic KozMin-BoldItalic
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Japanese (Gothic): KozGo KozGo-Bold KozGo-Italic KozGo-BoldItalic
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Defined Options:
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-encode ... specify fonts encoding for non-utf8 text.
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=cut
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sub _look_for_font {
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my $fname=lc(shift);
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$fname=~s/[^a-z0-9]+//gi;
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$fname=$alias->{$fname} if(defined $alias->{$fname});
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return({%{$fonts->{$fname}}}) if(defined $fonts->{$fname});
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if(defined $subs->{$fname}) {
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my $data=_look_for_font($subs->{$fname}->{-alias});
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foreach my $k (keys %{$subs->{$fname}}) {
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next if($k=~/^\-/);
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if(substr($k,0,1) eq '+')
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{
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$data->{substr($k,1)}.=$subs->{$fname}->{$k};
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}
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else
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{
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$data->{$k}=$subs->{$fname}->{$k};
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}
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}
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$fonts->{$fname}=$data;
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return({%{$data}})
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}
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eval "require 'PDF/API2/Resource/CIDFont/CJKFont/$fname.data'";
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unless($@){
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return({%{$fonts->{$fname}}});
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} else {
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die "requested font '$fname' not installed ";
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}
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}
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sub _look_for_cmap {
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my $fname=lc(shift);
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$fname=~s/[^a-z0-9]+//gi;
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return({%{$cmap->{$fname}}}) if(defined $cmap->{$fname});
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eval "require \"PDF/API2/Resource/CIDFont/CMap/$fname.cmap\"";
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unless($@){
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return({%{$cmap->{$fname}}});
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} else {
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die "requested cmap '$fname' not installed ";
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}
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}
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sub new {
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my ($class,$pdf,$name,@opts) = @_;
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my %opts=();
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%opts=@opts if((scalar @opts)%2 == 0);
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$opts{-encode}||='ident';
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my $data = _look_for_font($name);
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my $cmap = _look_for_cmap($data->{cmap});
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$data->{u2g} = { %{$cmap->{u2g}} };
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$data->{g2u} = [ @{$cmap->{g2u}} ];
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$class = ref $class if ref $class;
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my $self=$class->SUPER::new($pdf,$data->{apiname}.pdfkey());
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$pdf->new_obj($self) if(defined($pdf) && !$self->is_obj($pdf));
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$self->{' data'}=$data;
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my $des=$self->descrByData;
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my $de=$self->{' de'};
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if(defined $opts{-encode} && $opts{-encode} ne 'ident') {
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$self->data->{encode}=$opts{-encode};
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}
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my $emap={
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'reg'=>'Adobe',
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'ord'=>'Identity',
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'sup'=> 0,
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'map'=>'Identity',
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'dir'=>'H',
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'dec'=>'ident',
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};
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if(defined $cmap->{ccs}) {
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$emap->{reg}=$cmap->{ccs}->[0];
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$emap->{ord}=$cmap->{ccs}->[1];
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$emap->{sup}=$cmap->{ccs}->[2];
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}
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#if(defined $cmap->{cmap} && defined $cmap->{cmap}->{$opts{-encode}} ) {
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# $emap->{dec}=$cmap->{cmap}->{$opts{-encode}}->[0];
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# $emap->{map}=$cmap->{cmap}->{$opts{-encode}}->[1];
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#} elsif(defined $cmap->{cmap} && defined $cmap->{cmap}->{'utf8'} ) {
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# $emap->{dec}=$cmap->{cmap}->{'utf8'}->[0];
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# $emap->{map}=$cmap->{cmap}->{'utf8'}->[1];
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#}
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$self->data->{decode}=$emap->{dec};
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$self->{'BaseFont'} = PDFName($self->fontname."-$emap->{map}-$emap->{dir}");
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$self->{'Encoding'} = PDFName("$emap->{map}-$emap->{dir}");
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$de->{'FontDescriptor'} = $des;
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$de->{'Subtype'} = PDFName('CIDFontType0');
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$de->{'BaseFont'} = PDFName($self->fontname);
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$de->{'DW'} = PDFNum($self->missingwidth);
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$de->{'CIDSystemInfo'}->{Registry} = PDFStr($emap->{reg});
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$de->{'CIDSystemInfo'}->{Ordering} = PDFStr($emap->{ord});
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$de->{'CIDSystemInfo'}->{Supplement} = PDFNum($emap->{sup});
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## $de->{'CIDToGIDMap'} = PDFName($emap->{map}); # ttf only
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return($self);
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}
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sub tounicodemap {
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my $self=shift @_;
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# noop since pdf knows its char-collection
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return($self);
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}
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sub glyphByCId
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{
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my ($self,$cid)=@_;
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my $uni = $self->uniByCId($cid);
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return( nameByUni($uni) );
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}
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sub outobjdeep {
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my ($self, $fh, $pdf, %opts) = @_;
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my $notdefbefore=1;
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my $wx=PDFArray();
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$self->{' de'}->{'W'} = $wx;
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my $ml;
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foreach my $w (0..(scalar @{$self->data->{g2u}} - 1 )) {
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if(ref($self->data->{wx}) eq 'ARRAY'
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&& (defined $self->data->{wx}->[$w])
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&& ($self->data->{wx}->[$w] != $self->missingwidth)
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&& $notdefbefore==1)
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{
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$notdefbefore=0;
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$ml=PDFArray();
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$wx->add_elements(PDFNum($w),$ml);
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$ml->add_elements(PDFNum($self->data->{wx}->[$w]));
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}
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elsif(ref($self->data->{wx}) eq 'HASH'
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&& (defined $self->data->{wx}->{$w})
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&& ($self->data->{wx}->{$w} != $self->missingwidth)
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&& $notdefbefore==1)
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{
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$notdefbefore=0;
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$ml=PDFArray();
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$wx->add_elements(PDFNum($w),$ml);
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$ml->add_elements(PDFNum($self->data->{wx}->{$w}));
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}
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elsif(ref($self->data->{wx}) eq 'ARRAY'
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&& (defined $self->data->{wx}->[$w])
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&& ($self->data->{wx}->[$w] != $self->missingwidth)
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&& $notdefbefore==0)
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{
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$notdefbefore=0;
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$ml->add_elements(PDFNum($self->data->{wx}->[$w]));
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}
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elsif(ref($self->data->{wx}) eq 'HASH'
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&& (defined $self->data->{wx}->{$w})
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&& ($self->data->{wx}->{$w} != $self->missingwidth)
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&& $notdefbefore==0)
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{
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$notdefbefore=0;
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$ml->add_elements(PDFNum($self->data->{wx}->{$w}));
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}
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else
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{
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$notdefbefore=1;
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}
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}
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$self->SUPER::outobjdeep($fh, $pdf, %opts);
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}
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BEGIN {
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$alias={
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'traditional' => 'adobemingstdlightacro',
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'traditionalbold' => 'mingbold',
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'traditionalitalic' => 'mingitalic',
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'traditionalbolditalic' => 'mingbolditalic',
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'ming' => 'adobemingstdlightacro',
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'simplified' => 'adobesongstdlightacro',
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'simplifiedbold' => 'songbold',
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'simplifieditalic' => 'songitalic',
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'simplifiedbolditalic' => 'songbolditalic',
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'song' => 'adobesongstdlightacro',
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'korean' => 'adobemyungjostdmediumacro',
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'koreanbold' => 'myungjobold',
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'koreanitalic' => 'myungjoitalic',
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'koreanbolditalic' => 'myungjobolditalic',
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'myungjo' => 'adobemyungjostdmediumacro',
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'japanese' => 'kozminproregularacro',
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'japanesebold' => 'kozminbold',
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'japaneseitalic' => 'kozminitalic',
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'japanesebolditalic' => 'kozminbolditalic',
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'kozmin' => 'kozminproregularacro',
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'kozgo' => 'kozgopromediumacro',
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};
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$subs={
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# Chinese Traditional (ie. Taiwan) Fonts
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'mingitalic' => {
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'-alias' => 'adobemingstdlightacro',
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'+fontname' => ',Italic',
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},
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'mingbold' => {
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'-alias' => 'adobemingstdlightacro',
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'+fontname' => ',Bold',
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},
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'mingbolditalic' => {
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'-alias' => 'adobemingstdlightacro',
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'+fontname' => ',BoldItalic',
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},
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# Chinese Simplified (ie. Mainland China) Fonts
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'songitalic' => {
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'-alias' => 'adobesongstdlightacro',
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'+fontname' => ',Italic',
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},
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'songbold' => {
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'-alias' => 'adobesongstdlightacro',
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'+fontname' => ',Bold',
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},
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'songbolditalic' => {
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'-alias' => 'adobesongstdlightacro',
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'+fontname' => ',BoldItalic',
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},
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# Japanese Gothic (ie. sans) Fonts
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'kozgoitalic' => {
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'-alias' => 'kozgopromediumacro',
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'+fontname' => ',Italic',
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},
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'kozgobold' => {
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'-alias' => 'kozgopromediumacro',
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'+fontname' => ',Bold',
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},
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'kozgobolditalic' => {
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'-alias' => 'kozgopromediumacro',
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'+fontname' => ',BoldItalic',
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},
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# Japanese Mincho (ie. serif) Fonts
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'kozminitalic' => {
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'-alias' => 'kozminproregularacro',
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'+fontname' => ',Italic',
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},
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'kozminbold' => {
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'-alias' => 'kozminproregularacro',
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'+fontname' => ',Bold',
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},
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'kozminbolditalic' => {
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'-alias' => 'kozminproregularacro',
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'+fontname' => ',BoldItalic',
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},
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# Korean Fonts
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'myungjoitalic' => {
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'-alias' => 'adobemyungjostdmediumacro',
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'+fontname' => ',Italic',
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},
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'myungjobold' => {
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'-alias' => 'adobemyungjostdmediumacro',
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'+fontname' => ',Bold',
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},
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'myungjobolditalic' => {
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'-alias' => 'adobemyungjostdmediumacro',
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'+fontname' => ',BoldItalic',
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},
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};
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}
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=back
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=cut
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1;
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