:right-sidebar: True

feature_t
===================================================================

.. currentmodule:: gi.repository.HarfBuzz





.. class:: feature_t(*args, **kwargs)
   :no-contents-entry:






The :obj:`~gi.repository.HarfBuzz.feature_t` is the structure that holds information about requested
feature application. The feature will be applied with the given value to all
glyphs which are in clusters between ``start`` (inclusive) and ``end`` (exclusive).
Setting start to ``HB_FEATURE_GLOBAL_START`` and end to ``HB_FEATURE_GLOBAL_END``
specifies that the feature always applies to the entire buffer.












Fields
------

.. rst-class:: interim-class

.. class:: feature_t
   :no-index:
   

   .. attribute:: end

      The cluster to end applying this feature setting (exclusive).






   .. attribute:: start

      The cluster to start applying this feature setting (inclusive).






   .. attribute:: tag

      The :obj:`~gi.repository.HarfBuzz.tag_t` tag of the feature






   .. attribute:: value

      The value of the feature. 0 disables the feature, non-zero (usually
      1) enables the feature.  For features implemented as lookup type 3 (like
      'salt') the ``value`` is a one based index into the alternates.