Font::TTF::AATutils(3) User Contributed Perl Documentation Font::TTF::AATutils(3)

# [NAME](#NAME)

Font::TTF::AATutils - Utility functions for AAT tables

## [($classes, $states) = AAT\_read\_subtable($fh, $baseOffset, $subtableStart, $limits)](#%28$classes,_$states%29_=_AAT_read_subtable%28$fh,_$baseOffset,_$subtableStart,_$limits%29)

## [$length = AAT\_write\_state\_table($fh, $classes, $states, $numExtraTables, $packEntry)](#$length_=_AAT_write_state_table%28$fh,_$classes,_$states,_$numExtraTables,_$packEntry%29)

$packEntry is a subroutine for packing an entry into binary form, called as

$dat = $packEntry($entry, $entryTable, $numEntries)

where the entry is a comma-separated list of nextStateOffset, flags, actions

## [($classes, $states, $entries) = AAT\_read\_state\_table($fh, $numActionWords)](#%28$classes,_$states,_$entries%29_=_AAT_read_state_table%28$fh,_$numActionWords%29)

## [($format, $lookup) = AAT\_read\_lookup($fh, $valueSize, $length, $default)](#%28$format,_$lookup%29_=_AAT_read_lookup%28$fh,_$valueSize,_$length,_$default%29)

## [AAT\_write\_lookup($fh, $format, $lookup, $valueSize, $default)](#AAT_write_lookup%28$fh,_$format,_$lookup,_$valueSize,_$default%29)

# [AUTHOR](#AUTHOR)

Jonathan Kew <http://scripts.sil.org/FontUtils>.

# [LICENSING](#LICENSING)

Copyright (c) 1998-2016, 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.

2026-09-25 perl v5.44.0

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Document: Font::TTF::AATutils(3pm) from perl-font-ttf 1.06-r0 (Chainguard OS)