Class
PangoOTRuleset
Description [src]
final class PangoOT.Ruleset : GObject.Object
{
/* No available fields */
}
The PangoOTRuleset
structure holds a set of features selected
from the tables in an OpenType font.
A feature is an operation such as adjusting glyph positioning that should be applied to a text feature such as a certain type of accent.
A PangoOTRuleset
is created with pango_ot_ruleset_new()
,
features are added to it with pango_ot_ruleset_add_feature()
,
then it is applied to a PangoGlyphString
with
pango_ot_ruleset_position()
.
Constructors
pango_ot_ruleset_new_for
Creates a new PangoOTRuleset
for the given OpenType info, script, and language.
since: 1.18
pango_ot_ruleset_new_from_description
Creates a new PangoOTRuleset
for the given OpenType info and
matching the given ruleset description.
since: 1.18
Functions
pango_ot_ruleset_get_for_description
Returns a ruleset for the given OpenType info and ruleset description.
since: 1.18
Instance methods
pango_ot_ruleset_get_feature_count
Gets the number of GSUB and GPOS features in the ruleset.
since: 1.18
pango_ot_ruleset_maybe_add_feature
This is a convenience function that first tries to find the feature
using pango_ot_info_find_feature()
and the ruleset script and
language passed to pango_ot_ruleset_new_for()
and if the feature
is found, adds it to the ruleset.
since: 1.18
pango_ot_ruleset_maybe_add_features
This is a convenience function that for each feature in the feature map
array features
converts the feature name to a PangoOTTag
feature tag
using PANGO_OT_TAG_MAKE() and calls pango_ot_ruleset_maybe_add_feature()
on it.
since: 1.18
pango_ot_ruleset_position
Performs the OpenType GPOS positioning on buffer
using
the features in ruleset
.
since: 1.4
pango_ot_ruleset_substitute
Performs the OpenType GSUB substitution on buffer
using
the features in ruleset
.
since: 1.4
Signals
Signals inherited from GObject (1)
GObject::notify
The notify signal is emitted on an object when one of its properties has its value set through g_object_set_property(), g_object_set(), et al.