X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/e9aeedc51047d8d5e9e45c5253c776f8994da965..3a0c83394d5783715fab2be29fa1a9cfc3574e28:/src/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Mort/Ligature.pm

diff --git a/src/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Mort/Ligature.pm b/src/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Mort/Ligature.pm
deleted file mode 100644
index c5cc912..0000000
--- a/src/librarian/font-optimizer/ext/Font-TTF/lib/Font/TTF/Mort/Ligature.pm
+++ /dev/null
@@ -1,246 +0,0 @@
-package Font::TTF::Mort::Ligature;
-
-=head1 NAME
-
-Font::TTF::Mort::Ligature - Ligature Mort subtable for AAT
-
-=head1 METHODS
-
-=cut
-
-use strict;
-use vars qw(@ISA);
-use Font::TTF::Utils;
-use Font::TTF::AATutils;
-use IO::File;
-
-@ISA = qw(Font::TTF::Mort::Subtable);
-
-sub new
-{
-    my ($class, $direction, $orientation, $subFeatureFlags) = @_;
-    my ($self) = {
-                    'direction'            => $direction,
-                    'orientation'        => $orientation,
-                    'subFeatureFlags'    => $subFeatureFlags
-                };
-
-    $class = ref($class) || $class;
-    bless $self, $class;
-}
-
-=head2 $t->read
-
-Reads the table into memory
-
-=cut
-
-sub read
-{
-    my ($self, $fh) = @_;
-    my ($dat);
-
-    my $stateTableStart = $fh->tell();
-    my ($classes, $states, $entries) = AAT_read_state_table($fh, 0);
-    
-    $fh->seek($stateTableStart, IO::File::SEEK_SET);
-    $fh->read($dat, 14);
-    my ($stateSize, $classTable, $stateArray, $entryTable,
-        $ligActionTable, $componentTable, $ligatureTable) = unpack("nnnnnnn", $dat);
-    my $limits = [$classTable, $stateArray, $entryTable, $ligActionTable, $componentTable, $ligatureTable, $self->{'length'} - 8];
-    
-    my %actions;
-    my $actionLists;
-    foreach (@$entries) {
-        my $offset = $_->{'flags'} & 0x3fff;
-        $_->{'flags'} &= ~0x3fff;
-        if ($offset != 0) {
-            if (not defined $actions{$offset}) {
-                $fh->seek($stateTableStart + $offset, IO::File::SEEK_SET);
-                my $actionList;
-                while (1) {
-                    $fh->read($dat, 4);
-                    my $action = unpack("N", $dat);
-                    my ($last, $store, $component) = (($action & 0x80000000) != 0, ($action & 0xC0000000) != 0, ($action & 0x3fffffff));
-                    $component -= 0x40000000 if $component > 0x1fffffff;
-                    $component -= $componentTable / 2;
-                    push @$actionList, { 'store' => $store, 'component' => $component };
-                    last if $last;
-                }
-                push @$actionLists, $actionList;
-                $actions{$offset} = $#$actionLists;
-            }
-            $_->{'actions'} = $actions{$offset};
-        }
-    }
-    
-    $self->{'componentTable'} = $componentTable;
-    my $components = [unpack("n*", AAT_read_subtable($fh, $stateTableStart, $componentTable, $limits))];
-    foreach (@$components) {
-        $_ = ($_ - $ligatureTable) . " +" if $_ >= $ligatureTable;
-    }
-    $self->{'components'} = $components;
-    
-    $self->{'ligatureTable'} = $ligatureTable;
-    $self->{'ligatures'} = [unpack("n*", AAT_read_subtable($fh, $stateTableStart, $ligatureTable, $limits))];
-    
-    $self->{'classes'} = $classes;
-    $self->{'states'} = $states;
-    $self->{'actionLists'} = $actionLists;
-        
-    $self;
-}
-
-=head2 $t->pack_sub($fh)
-
-=cut
-
-sub pack_sub
-{
-    my ($self) = @_;
-    my ($dat);
-    
-    $dat .= pack("nnnnnnn", (0) x 7);    # placeholders for stateSize, classTable, stateArray, entryTable, actionLists, components, ligatures
-
-    my $classTable = length($dat);
-    my $classes = $self->{'classes'};
-    $dat .= AAT_pack_classes($classes);
-    
-    my $stateArray = length($dat);
-    my $states = $self->{'states'};
-    
-    my ($dat1, $stateSize, $entries) = AAT_pack_states($classes, $stateArray, $states,
-            sub {
-                ( $_->{'flags'} & 0xc000, $_->{'actions'} )
-            }
-        );
-    $dat .= $dat1;
-    
-    my $actionLists = $self->{'actionLists'};
-    my %actionListOffset;
-    my $actionListDataLength = 0;
-    my @actionListEntries;
-    foreach (0 .. $#$entries) {
-        my ($nextState, $flags, $offset) = split(/,/, $entries->[$_]);
-        if ($offset eq "") {
-            $offset = undef;
-        }
-        else {
-            if (defined $actionListOffset{$offset}) {
-                $offset = $actionListOffset{$offset};
-            }
-            else {
-                $actionListOffset{$offset} = $actionListDataLength;
-                my $list = $actionLists->[$offset];
-                $actionListDataLength += 4 * @$list;
-                push @actionListEntries, $list;
-                $offset = $actionListOffset{$offset};
-            }
-        }
-        $entries->[$_] = [ $nextState, $flags, $offset ];
-    }
-    my $entryTable = length($dat);
-    my $ligActionLists = ($entryTable + @$entries * 4 + 3) & ~3;
-    foreach (@$entries) {
-        $_->[2] += $ligActionLists if defined $_->[2];
-        $dat .= pack("nn", $_->[0], $_->[1] + $_->[2]);
-    }
-    $dat .= pack("C*", (0) x ($ligActionLists - $entryTable - @$entries * 4));
-    
-    die "internal error" unless length($dat) == $ligActionLists;
-    
-    my $componentTable = length($dat) + $actionListDataLength;
-    my $actionList;
-    foreach $actionList (@actionListEntries) {
-        foreach (0 .. $#$actionList) {
-            my $action = $actionList->[$_];
-            my $val = $action->{'component'} + $componentTable / 2;
-            $val += 0x40000000 if $val < 0;
-            $val &= 0x3fffffff;
-            $val |= 0x40000000 if $action->{'store'};
-            $val |= 0x80000000 if $_ == $#$actionList;
-            $dat .= pack("N", $val);
-        }
-    }
-
-    die "internal error" unless length($dat) == $componentTable;
-
-    my $components = $self->{'components'};
-    my $ligatureTable = $componentTable + @$components * 2;
-    $dat .= pack("n*", map { (index($_, '+') >= 0 ? $ligatureTable : 0) + $_ } @$components);
-    
-    my $ligatures = $self->{'ligatures'};
-    $dat .= pack("n*", @$ligatures);
-    
-    $dat1 = pack("nnnnnnn", $stateSize, $classTable, $stateArray, $entryTable, $ligActionLists, $componentTable, $ligatureTable);
-    substr($dat, 0, length($dat1)) = $dat1;
-
-    return $dat;
-}
-
-=head2 $t->print($fh)
-
-Prints a human-readable representation of the table
-
-=cut
-
-sub print
-{
-    my ($self, $fh) = @_;
-    
-    my $post = $self->post();
-    
-    $fh = 'STDOUT' unless defined $fh;
-
-    $self->print_classes($fh);
-    
-    $fh->print("\n");
-    my $states = $self->{'states'};
-    foreach (0 .. $#$states) {
-        $fh->printf("\t\tState %d:", $_);
-        my $state = $states->[$_];
-        foreach (@$state) {
-            my $flags;
-            $flags .= "!" if ($_->{'flags'} & 0x4000);
-            $flags .= "*" if ($_->{'flags'} & 0x8000);
-            $fh->printf("\t(%s%d,%s)", $flags, $_->{'nextState'}, defined $_->{'actions'} ? $_->{'actions'} : "=");
-        }
-        $fh->print("\n");
-    }
-
-    $fh->print("\n");
-    my $actionLists = $self->{'actionLists'};
-    foreach (0 .. $#$actionLists) {
-        $fh->printf("\t\tList %d:\t", $_);
-        my $actionList = $actionLists->[$_];
-        $fh->printf("%s\n", join(", ", map { ($_->{'component'} . ($_->{'store'} ? "*" : "") ) } @$actionList));
-    }
-
-    my $ligatureTable = $self->{'ligatureTable'};
-
-    $fh->print("\n");
-    my $components = $self->{'components'};
-    foreach (0 .. $#$components) {
-        $fh->printf("\t\tComponent %d: %s\n", $_, $components->[$_]);
-    }
-    
-    $fh->print("\n");
-    my $ligatures = $self->{'ligatures'};
-    foreach (0 .. $#$ligatures) {
-        $fh->printf("\t\tLigature %d: %d [%s]\n", $_, $ligatures->[$_], $post->{'VAL'}[$ligatures->[$_]]);
-    }
-}
-
-1;
-
-=head1 BUGS
-
-None known
-
-=head1 AUTHOR
-
-Jonathan Kew L<Jonathan_Kew@sil.org>. See L<Font::TTF::Font> for copyright and
-licensing.
-
-=cut
-