table of contents
| Font::TTF::OldMort(3) | User Contributed Perl Documentation | Font::TTF::OldMort(3) |
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:
- 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:
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 Jonathan_Kew@sil.org. See Font::TTF::Font for copyright and licensing.
POD ERRORS¶
Hey! The above document had some coding errors, which are explained below:
- Around line 11:
- '=item' outside of any '=over'
- Around line 114:
- You forgot a '=back' before '=head1'
| 2011-10-13 | perl v5.16.3 |