Font::TTF::OldMort
Section: User Contributed Perl Documentation (3pm)
Updated: 2022-06-14
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NAME
Font::TTF::OldMort - Glyph Metamorphosis table in a font
DESCRIPTION
INSTANCE VARIABLES
- version
-
table version number (Fixed: currently 1.0)
- chains
-
list of metamorphosis chains, each of which has its own fields:
-
- defaultFlags
-
chain's default subfeature flags (UInt32)
- featureEntries
-
list of feature entries, each of which has fields:
-
- type
-
- setting
-
- enable
-
- disable
-
-
- subtables
-
list of metamorphosis subtables, each of which has fields:
-
- type
-
subtable type (0: rearrangement; 1: contextual substitution; 2: ligature;
4: non-contextual substitution; 5: insertion)
- direction
-
processing direction ('LR' or 'RL')
- orientation
-
applies to text in which orientation ('VH', 'V', or 'H')
- subFeatureFlags
-
the subfeature flags controlling whether the table is used (UInt32)
-
Further fields depend on the type of subtable:
-
Rearrangement table:
- classes
-
array of lists of glyphs
- states
-
array of arrays of hashes{'nextState', 'flags'}
-
Contextual substitution table:
- classes
-
array of lists of glyphs
- states
-
array of array of hashes{'nextState', 'flags', 'actions'}, where "actions"
is an array of two elements which are offsets to be added to [marked, current]
glyph to get index into "mappings" (or "undef" if no mapping to be applied)
- mappings
-
list of glyph codes mapped to through the state table mappings
-
Ligature table:
Non-contextual substitution table:
Insertion table:
-
-
METHODS
$t->read
Reads the table into memory
$t->out($fh)
Writes the table to a file either from memory or by copying
$t->print($fh)
Prints a human-readable representation of the table
BUGS
None known
AUTHOR
Jonathan Kew <http://scripts.sil.org/FontUtils>.
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.
Index
- NAME
-
- DESCRIPTION
-
- INSTANCE VARIABLES
-
- METHODS
-
- $t->read
-
- $t->out($fh)
-
- $t->print($fh)
-
- BUGS
-
- AUTHOR
-
- LICENSING
-
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Time: 03:55:28 GMT, May 18, 2024