1Font::TTF::OldMort(3) User Contributed Perl DocumentationFont::TTF::OldMort(3)
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6 Font::TTF::OldMort - Glyph Metamorphosis table in a font
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10 version
11 table version number (Fixed: currently 1.0)
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13 chains
14 list of metamorphosis chains, each of which has its own fields:
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16 defaultFlags
17 chain's default subfeature flags (UInt32)
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19 featureEntries
20 list of feature entries, each of which has fields:
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22 type
23 setting
24 enable
25 disable
26 subtables
27 list of metamorphosis subtables, each of which has fields:
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29 type
30 subtable type (0: rearrangement; 1: contextual
31 substitution; 2: ligature; 4: non-contextual substitution;
32 5: insertion)
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34 direction
35 processing direction ('LR' or 'RL')
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37 orientation
38 applies to text in which orientation ('VH', 'V', or 'H')
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40 subFeatureFlags
41 the subfeature flags controlling whether the table is used
42 (UInt32)
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44 Further fields depend on the type of subtable:
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46 Rearrangement table:
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48 classes
49 array of lists of glyphs
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51 states
52 array of arrays of hashes{'nextState', 'flags'}
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54 Contextual substitution table:
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56 classes
57 array of lists of glyphs
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59 states
60 array of array of hashes{'nextState', 'flags',
61 'actions'}, where "actions" is an array of two elements
62 which are offsets to be added to [marked, current]
63 glyph to get index into "mappings" (or "undef" if no
64 mapping to be applied)
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66 mappings
67 list of glyph codes mapped to through the state table
68 mappings
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70 Ligature table:
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72 Non-contextual substitution table:
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74 Insertion table:
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77 $t->read
78 Reads the table into memory
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80 $t->out($fh)
81 Writes the table to a file either from memory or by copying
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83 $t->print($fh)
84 Prints a human-readable representation of the table
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87 None known
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90 Jonathan Kew <http://scripts.sil.org/FontUtils>.
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93 Copyright (c) 1998-2016, SIL International (http://www.sil.org)
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95 This module is released under the terms of the Artistic License 2.0.
96 For details, see the full text of the license in the file LICENSE.
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100perl v5.32.0 2020-07-28 Font::TTF::OldMort(3)