NAME¶

Font::TTF::OTTags - Utilities for TrueType/OpenType tags

SYNOPSIS¶

  use Font::TTF::OTTags qw( %tttags %ttnames %iso639 readtagsfile );
  
  # Look at built-in stuff:
  $script_tag = $tttags{'SCRIPT'}{'Cypriot Syllabary'};  # returns 'cprt'
  $lang_name = $ttnames{'LANGUAGE'}{'ALT '};             # returns 'Altai'
  
  # Map iso639 tag to/from OT lang tag
  @isotags = $iso639{'ALT '};    # returns [ 'atv', 'alt' ]
  $lang_tag = $iso639{'atv'};    # returns 'ALT '
        
  # Read latest tags file to add to built-in definitions
  readtagsfile ("C:\\Program Files\\Microsoft VOLT\\TAGS.txt");

First-level keys to %tttags and %ttnames are:

SCRIPT

retrieve script tag or name

LANGUAGE

retrieve language tag or name

FEATURE

retrieve feature tag or name

Built-in data has been derived from Microsofts tag registry at <http://www.microsoft.com/typography/otspec/ttoreg.htm>, updated to draft v1.5 of the OpenType Spec.

METHODS¶

readtagsfile ( filename )¶

Read a file in the syntax of Tags.txt (included with Microsoft VOLT) to obtain additional/replacement tag definitions. Returns 0 if cannot open the file; else 1.

AUTHOR¶

Bob Hallissy. Bob_Hallissy@sil.org

LICENSING¶

Copyright (c) 1998-2013, SIL International (http://www.sil.org) This module is released under the terms of the Artistic License 2.0. For details, see the full text of the license in the file LICENSE.