144 lines
2.5 KiB
Perl
144 lines
2.5 KiB
Perl
package Font::TTF::PCLT;
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=head1 NAME
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Font::TTF::PCLT - PCLT TrueType font table
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=head1 DESCRIPTION
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The PCLT table holds various pieces HP-PCL specific information. Information
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here is generally not used by other software, except for the xHeight and
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CapHeight which are stored here (if the table exists in a font).
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=head1 INSTANCE VARIABLES
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Only from table and the standard:
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version
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FontNumber
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Pitch
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xHeight
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Style
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TypeFamily
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CapHeight
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SymbolSet
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Typeface
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CharacterComplement
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FileName
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StrokeWeight
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WidthType
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SerifStyle
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Notice that C<Typeface>, C<CharacterComplement> and C<FileName> return arrays
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of unsigned characters of the appropriate length
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=head1 METHODS
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=cut
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use strict;
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use vars qw(@ISA %fields @field_info);
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require Font::TTF::Table;
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use Font::TTF::Utils;
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@ISA = qw(Font::TTF::Table);
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@field_info = (
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'version' => 'v',
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'FontNumber' => 'L',
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'Pitch' => 'S',
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'xHeight' => 'S',
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'Style' => 'S',
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'TypeFamily' => 'S',
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'CapHeight' => 'S',
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'SymbolSet' => 'S',
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'Typeface' => 'C16',
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'CharacterComplement' => 'C8',
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'FileName' => 'C6',
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'StrokeWeight' => 'C',
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'WidthType' => 'C',
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'SerifStyle' => 'c');
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sub init
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{
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my ($k, $v, $c, $i);
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for ($i = 0; $i < $#field_info; $i += 2)
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{
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($k, $v, $c) = TTF_Init_Fields($field_info[$i], $c, $field_info[$i + 1]);
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next unless defined $k && $k ne "";
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$fields{$k} = $v;
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}
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}
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=head2 $t->read
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Reads the table into memory thanks to some utility functions
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=cut
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sub read
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{
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my ($self) = @_;
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my ($dat);
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$self->SUPER::read || return $self;
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init unless defined $fields{'xHeight'};
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$self->{' INFILE'}->read($dat, 54);
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TTF_Read_Fields($self, $dat, \%fields);
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$self;
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}
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=head2 $t->out($fh)
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Writes the table to a file either from memory or by copying.
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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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return $self->SUPER::out($fh) unless $self->{' read'};
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$fh->print(TTF_Out_Fields($self, \%fields, 54));
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}
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=head2 $t->minsize()
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Returns the minimum size this table can be. If it is smaller than this, then the table
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must be bad and should be deleted or whatever.
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=cut
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sub minsize
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{
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return 54;
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}
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1;
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=head1 BUGS
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None known
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=head1 AUTHOR
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Martin Hosken 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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