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.\" ========================================================================
.\"
.IX Title "Font::TTF::OldMort 3"
.TH Font::TTF::OldMort 3 "2016-08-03" "perl v5.26.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Font::TTF::OldMort \- Glyph Metamorphosis table in a font
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
.SH "INSTANCE VARIABLES"
.IX Header "INSTANCE VARIABLES"
.IP "version" 4
.IX Item "version"
table version number (Fixed: currently 1.0)
.IP "chains" 4
.IX Item "chains"
list of metamorphosis chains, each of which has its own fields:
.RS 4
.IP "defaultFlags" 4
.IX Item "defaultFlags"
chain's default subfeature flags (UInt32)
.IP "featureEntries" 4
.IX Item "featureEntries"
list of feature entries, each of which has fields:
.RS 4
.IP "type" 4
.IX Item "type"
.PD 0
.IP "setting" 4
.IX Item "setting"
.IP "enable" 4
.IX Item "enable"
.IP "disable" 4
.IX Item "disable"
.RE
.RS 4
.RE
.IP "subtables" 4
.IX Item "subtables"
.PD
list of metamorphosis subtables, each of which has fields:
.RS 4
.IP "type" 4
.IX Item "type"
subtable type (0: rearrangement; 1: contextual substitution; 2: ligature;
4: non-contextual substitution; 5: insertion)
.IP "direction" 4
.IX Item "direction"
processing direction ('\s-1LR\s0' or '\s-1RL\s0')
.IP "orientation" 4
.IX Item "orientation"
applies to text in which orientation ('\s-1VH\s0', 'V', or 'H')
.IP "subFeatureFlags" 4
.IX Item "subFeatureFlags"
the subfeature flags controlling whether the table is used (UInt32)
.RE
.RS 4
.Sp
Further fields depend on the type of subtable:
.Sp
.RS 4
Rearrangement table:
.IP "classes" 4
.IX Item "classes"
array of lists of glyphs
.IP "states" 4
.IX Item "states"
array of arrays of hashes{'nextState', 'flags'}
.RE
.RS 4
.Sp
Contextual substitution table:
.IP "classes" 4
.IX Item "classes"
array of lists of glyphs
.IP "states" 4
.IX Item "states"
array of array of hashes{'nextState', 'flags', 'actions'}, where \f(CW\*(C`actions\*(C'\fR
is an array of two elements which are offsets to be added to [marked, current]
glyph to get index into \f(CW\*(C`mappings\*(C'\fR (or \f(CW\*(C`undef\*(C'\fR if no mapping to be applied)
.IP "mappings" 4
.IX Item "mappings"
list of glyph codes mapped to through the state table mappings
.RE
.RS 4
.Sp
Ligature table:
.Sp
Non-contextual substitution table:
.Sp
Insertion table:
.RE
.RE
.RS 4
.RE
.RE
.RS 4
.RE
.SH "METHODS"
.IX Header "METHODS"
.ie n .SS "$t\->read"
.el .SS "\f(CW$t\fP\->read"
.IX Subsection "$t->read"
Reads the table into memory
.ie n .SS "$t\->out($fh)"
.el .SS "\f(CW$t\fP\->out($fh)"
.IX Subsection "$t->out($fh)"
Writes the table to a file either from memory or by copying
.ie n .SS "$t\->print($fh)"
.el .SS "\f(CW$t\fP\->print($fh)"
.IX Subsection "$t->print($fh)"
Prints a human-readable representation of the table
.SH "BUGS"
.IX Header "BUGS"
None known
.SH "AUTHOR"
.IX Header "AUTHOR"
Jonathan Kew <http://scripts.sil.org/FontUtils>.
.SH "LICENSING"
.IX Header "LICENSING"
Copyright (c) 1998\-2016, \s-1SIL\s0 International (http://www.sil.org)
.PP
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 \s-1LICENSE.\s0