package Text::Gr2::FeatureRef;
=head1 NAME
Text::Gr2::FeatureRef - References to font features
=head1 METHODS
=head2 values
Returns all possible values for this feature
=head2 id
Returns the tag name of the features
=cut
sub values {
my $self = shift;
map { $self->value($_) } (0..$self->n_values - 1);
}
sub id { Text::Gr2::_decode(shift->_id) }
=head2 label
$lab = $self->label(Gr2->str_to_tag($language), $encoding)
Returns an explanatory string for this font feature, in the given
language and encoding format. Typically you want the label to be
returned in UTF-8, which is encoding format 1.
=head2 value_label
Returns an explanatory string for a given value of this font feature.
$lab = $self->value_label($setting_no,
Gr2->str_to_tag($language), $encoding)
Please note that this takes an integer setting number, not a FeatureVal
object.
Reading the C<print_features> subroutine of F<examples/gr2fonttest.pl>
will make this all bit more clear.
=head1 INTERNAL METHODS
=head2 value
Returns a given value by index.
=head2 n_values
Returns the number of feature values.
=head2 feature_value
Returns the current value of this feature.
=head2 set_feature_value
Sets the valuse of this feature.
=cut
1;