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aat_layout_feature_type_t
===================================================================

.. currentmodule:: gi.repository.HarfBuzz


.. versionadded:: 2.2.0




.. class:: aat_layout_feature_type_t
   :no-contents-entry:






The possible feature types defined for AAT shaping, from Apple `Font Feature Registry <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html>`__\.












Fields
------

.. rst-class:: interim-class

.. class:: aat_layout_feature_type_t
   :no-index:
   

   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CURSIVE_CONNECTION

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_INVALID

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_LANGUAGE_TAG_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_LIGATURES

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION

      The type of the None singleton.







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION

      The type of the None singleton.