:right-sidebar: True

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

      `All Typographic Features <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type0>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA

      `Alternate Kana <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type34>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE

      `Annotation <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type24>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT

      `Case Sensitive Layout <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type33>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES

      `Character Alternatives <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type17>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE

      `Character Shape <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type20>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE

      `CJK Roman Spacing <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type103>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE

      `CJK Symbol Alternatives <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type29>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE

      `CJK Vertical Roman Placement <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type31>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES

      `Contextual Alternatives <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type36>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_CURSIVE_CONNECTION

      `Cursive Connection <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type2>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE

      `Design Complexity <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type18>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE

      `Diacritics <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type9>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS

      `Fractions <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type11>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE

      `Ideographic Alternatives <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type30>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE

      `Ideographic Spacing <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type26>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_INVALID

      Initial, unset feature type







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN

      `Italic CJK Roman <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type32>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE

      `Kana Spacing <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type25>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_LANGUAGE_TAG_TYPE

      `Language Tag <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type39>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE

      `Letter Case <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type3>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_LIGATURES

      `Ligatures <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type1>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT

      `Linguistic Rearrangement <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type5>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE

      `Lower Case <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type37>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS

      `Mathematical Extras <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type15>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE

      `Number Case <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type21>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING

      `Number Spacing <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type6>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE

      `Ornament Sets <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type16>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE

      `Overlapping Characters <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type13>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA

      `Ruby Kana <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type28>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE

      `Smart Swash <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type8>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS

      `Style Options <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type19>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES

      `Stylistic Alternatives <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type35>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING

      `Text Spacing <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type22>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION

      `Transliteration <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type23>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS

      `Typographic Extras <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type14>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE

      `Unicode Decomposition <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type27>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE

      `Upper Case <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type38>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION

      `Vertical Position <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type10>`_







   .. attribute:: B_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION

      `Vertical Substitution <https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type4>`_