man Font::TTF::OldMort () - Glyph Metamorphosis table in a font

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 CWactions is an array of two elements which are offsets to be added to [marked, current] glyph to get index into CWmappings (or CWundef 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 Jonathan_Kew@sil.org. See Font::TTF::Font for copyright and licensing.