132 lines
1.9 KiB
Perl
132 lines
1.9 KiB
Perl
package Font::TTF::Features::Size;
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=head1 NAME
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Font::TTF::Features::Size - Class for Size Feature Parameters
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=head1 DESCRIPTION
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Handles the Feature Parameters valus for Size features
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=head1 INSTANCE VARIABLES
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=over 4
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=item INFILE
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The read file handle
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=item OFFSET
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Location of the file in the input file
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=item DesignSize
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Design Size in decipoints
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=item SubFID
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Identifier for the fonts in a subfamily
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=item SubFNameID
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The 'name' table name ID for the subfamily name
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=item MinSize
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Bottom end of recomended usage size range
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=item MaxSize
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Top end of recomended usage size range
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=back
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=head1 METHODS
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=cut
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use Font::TTF::Utils;
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use strict;
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=head2 $t->read
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Reads the Feature Params
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=cut
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sub read
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{
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my ($self) = @_;
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my ($fh) = $self->{' INFILE'};
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my ($off) = $self->{' OFFSET'};
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my $dat;
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$fh->seek($off, 0);
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$fh->read($dat, 10);
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( $self->{'DesignSize'}
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,$self->{'SubFID'}
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,$self->{'SubFNameID'}
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,$self->{'MinSize'}
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,$self->{'MaxSize'} ) = TTF_Unpack("S*", $dat);
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return $self;
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}
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=head2 $t->out($fh)
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Writes the FeatureParams table to the output
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=cut
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sub out
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{
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my ($self, $fh) = @_;
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$fh->print(TTF_Pack("S*"
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,$self->{'DesignSize'}
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,$self->{'SubFID'}
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,$self->{'SubFNameID'}
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,$self->{'MinSize'}
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,$self->{'MaxSize'} ));
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$self;
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}
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=head2 Font::TTF::Features::Sset->new()
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Creates a new FeatureParams object. Table instance variables are passed in
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at this point as an associative array.
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=cut
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sub new
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{
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my ($class,%parms) = @_;
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my ($self) = {};
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my ($p);
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foreach $p (keys %parms)
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{ $self->{" $p"} = $parms{$p}; }
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bless $self, $class;
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}
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sub out_xml
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{
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}
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1;
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=head1 AUTHOR
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David Raymond L<http://scripts.sil.org/FontUtils>.
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=head1 LICENSING
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Copyright (c) 1998-2016, SIL International (http://www.sil.org)
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This module is released under the terms of the Artistic License 2.0.
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For details, see the full text of the license in the file LICENSE.
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=cut
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