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gtk-desktop-bins/msys/include/harfbuzz/hb-aat-layout.h
Reece 62c5e45b27 Added missing includes
2021-06-07 15:51:06 +01:00

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/*
* Copyright © 2018 Ebrahim Byagowi
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
#if !defined(HB_AAT_H_IN) && !defined(HB_NO_SINGLE_HEADER_ERROR)
#error "Include <hb-aat.h> instead."
#endif
#ifndef HB_AAT_LAYOUT_H
#define HB_AAT_LAYOUT_H
#include "hb.h"
#include "hb-ot.h"
HB_BEGIN_DECLS
/**
* hb_aat_layout_feature_type_t:
* @HB_AAT_LAYOUT_FEATURE_TYPE_INVALID: Initial, unset feature type
* @HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC: [All Typographic Features](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type0)
* @HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES: [Ligatures](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type1)
* @HB_AAT_LAYOUT_FEATURE_TYPE_CURISVE_CONNECTION: [Cursive Connection](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type2)
* @HB_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE: [Letter Case](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type3)
* @HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION: [Vertical Substitution](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type4)
* @HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT: [Linguistic Rearrangement](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type5)
* @HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING: [Number Spacing](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type6)
* @HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE: [Smart Swash](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type8)
* @HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE: [Diacritics](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type9)
* @HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION: [Vertical Position](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type10)
* @HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS: [Fractions](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type11)
* @HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE: [Overlapping Characters](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type13)
* @HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS: [Typographic Extras](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type14)
* @HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS: [Mathematical Extras](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type15)
* @HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE: [Ornament Sets](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type16)
* @HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES: [Character Alternatives](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type17)
* @HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE: [Design Complexity](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type18)
* @HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS: [Style Options](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type19)
* @HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE: [Character Shape](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type20)
* @HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE: [Number Case](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type21)
* @HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING: [Text Spacing](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type22)
* @HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION: [Transliteration](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type23)
* @HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE: [Annotation](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type24)
* @HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE: [Kana Spacing](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type25)
* @HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE: [Ideographic Spacing](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type26)
* @HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE: [Unicode Decomposition](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type27)
* @HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA: [Ruby Kana](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type28)
* @HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE: [CJK Symbol Alternatives](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type29)
* @HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE: [Ideographic Alternatives](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type30)
* @HB_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)
* @HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN: [Italic CJK Roman](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type32)
* @HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT: [Case Sensitive Layout](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type33)
* @HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA: [Alternate Kana](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type34)
* @HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES: [Stylistic Alternatives](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type35)
* @HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES: [Contextual Alternatives](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type36)
* @HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE: [Lower Case](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type37)
* @HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE: [Upper Case](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type38)
* @HB_AAT_LAYOUT_FEATURE_TYPE_LANGUAGE_TAG_TYPE: [Language Tag](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type39)
* @HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE: [CJK Roman Spacing](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html#Type103)
*
* The possible feature types defined for AAT shaping, from Apple [Font Feature Registry](https://developer.apple.com/fonts/TrueType-Reference-Manual/RM09/AppendixF.html).
*
* Since: 2.2.0
*/
typedef enum
{
HB_AAT_LAYOUT_FEATURE_TYPE_INVALID = 0xFFFF,
HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC = 0,
HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES = 1,
HB_AAT_LAYOUT_FEATURE_TYPE_CURISVE_CONNECTION = 2,
HB_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE = 3,
HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION = 4,
HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT = 5,
HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING = 6,
HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE = 8,
HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE = 9,
HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION = 10,
HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS = 11,
HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE = 13,
HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS = 14,
HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS = 15,
HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE = 16,
HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES = 17,
HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE = 18,
HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS = 19,
HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE = 20,
HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE = 21,
HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING = 22,
HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION = 23,
HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE = 24,
HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE = 25,
HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE = 26,
HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE = 27,
HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA = 28,
HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE = 29,
HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE = 30,
HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE = 31,
HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN = 32,
HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT = 33,
HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA = 34,
HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES = 35,
HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES = 36,
HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE = 37,
HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE = 38,
HB_AAT_LAYOUT_FEATURE_TYPE_LANGUAGE_TAG_TYPE = 39,
HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE = 103,
/*< private >*/
_HB_AAT_LAYOUT_FEATURE_TYPE_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
} hb_aat_layout_feature_type_t;
/**
* hb_aat_layout_feature_selector_t:
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_INVALID: Initial, unset feature selector
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_UNCONNECTED: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PARTIALLY_CONNECTED: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CURSIVE: for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_AND_LOWER_CASE: Deprecated
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_CAPS: Deprecated
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_LOWER_CASE: Deprecated
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SMALL_CAPS: Deprecated
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS: Deprecated
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS_AND_SMALL_CAPS: Deprecated
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SHOW_DIACRITICS: for #HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HIDE_DIACRITICS: for #HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DECOMPOSE_DIACRITICS: for #HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NORMAL_POSITION: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SUPERIORS: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_INFERIORS: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ORDINALS: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SCIENTIFIC_INFERIORS: for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_FRACTIONS: for #HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_VERTICAL_FRACTIONS: for #HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAGONAL_FRACTIONS: for #HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ORNAMENTS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DINGBATS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PI_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_FLEURONS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DECORATIVE_BORDERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_INTERNATIONAL_SYMBOLS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_MATH_SYMBOLS: for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ALTERNATES: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL1: for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL2: for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL3: for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL4: for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL5: for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLE_OPTIONS: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DISPLAY_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ENGRAVED_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ILLUMINATED_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TITLING_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TALL_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SIMPLIFIED_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1978_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1983_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1990_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_ONE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_TWO: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_THREE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FOUR: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FIVE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPERT_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS2004_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HOJO_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NLCCHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_NAMES_CHARACTERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_NUMBERS: for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_PROPORTIONAL_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_HALF_WIDTH_TEXT: for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_TRANSLITERATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HIRAGANA_TO_KATAKANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_KATAKANA_TO_HIRAGANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_KANA_TO_ROMANIZATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_HIRAGANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_KATAKANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_ONE: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_TWO: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_THREE: for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_BOX_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ROUNDED_BOX_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CIRCLE_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_CIRCLE_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PARENTHESIS_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIOD_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMAN_NUMERAL_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAMOND_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_BOX_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_ROUNDED_BOX_ANNOTATION: for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_KANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_KANA: for #HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_IDEOGRAPHS: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_IDEOGRAPHS: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_IDEOGRAPHS: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_RUBY_KANA: Deprecated; use #HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF instead
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA: Deprecated; use #HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON instead
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_SYMBOL_ALTERNATIVES: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_ONE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_TWO: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_THREE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FOUR: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FIVE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_IDEOGRAPHIC_ALTERNATIVES: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_ONE: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_TWO: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_THREE: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FOUR: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FIVE: for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_CENTERED: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_HBASELINE: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_ITALIC_ROMAN: Deprecated; use #HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF instead
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN: Deprecated; use #HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON instead
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLISTIC_ALTERNATES: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_ON: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_OFF: for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_LOWER_CASE: for #HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_SMALL_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_PETITE_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_UPPER_CASE: for #HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_SMALL_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_PETITE_CAPS: for #HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_CJK_ROMAN: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_CJK_ROMAN: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_CJK_ROMAN: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE
* @HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_CJK_ROMAN: for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE
*
* The selectors defined for specifying AAT feature settings.
*
* Since: 2.2.0
*/
typedef enum
{
HB_AAT_LAYOUT_FEATURE_SELECTOR_INVALID = 0xFFFF,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC */
HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_OFF = 1,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES */
HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_OFF = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_OFF = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_ON = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_OFF = 5,
HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_ON = 6,
HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_OFF = 7,
HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_ON = 8,
HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_OFF = 9,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_ON = 10,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_OFF = 11,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_ON = 12,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_OFF = 13,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_ON = 14,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_OFF = 15,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_ON = 16,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_OFF = 17,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_ON = 18,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_OFF = 19,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_ON = 20,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_OFF = 21,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES */
HB_AAT_LAYOUT_FEATURE_SELECTOR_UNCONNECTED = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PARTIALLY_CONNECTED = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CURSIVE = 2,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_AND_LOWER_CASE = 0, /* deprecated */
HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_CAPS = 1, /* deprecated */
HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_LOWER_CASE = 2, /* deprecated */
HB_AAT_LAYOUT_FEATURE_SELECTOR_SMALL_CAPS = 3, /* deprecated */
HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS = 4, /* deprecated */
HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS_AND_SMALL_CAPS = 5, /* deprecated */
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION */
HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_OFF = 1,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT */
HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_OFF = 1,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING */
HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_NUMBERS = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_NUMBERS = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_NUMBERS = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_NUMBERS = 3,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_OFF = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_OFF = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_ON = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_OFF = 5,
HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_ON = 6,
HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_OFF = 7,
HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_ON = 8,
HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_OFF = 9,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_SHOW_DIACRITICS = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HIDE_DIACRITICS = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DECOMPOSE_DIACRITICS = 2,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NORMAL_POSITION = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SUPERIORS = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_INFERIORS = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ORDINALS = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SCIENTIFIC_INFERIORS = 4,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_FRACTIONS = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_VERTICAL_FRACTIONS = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAGONAL_FRACTIONS = 2,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_OFF = 1,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS */
HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_OFF = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_OFF = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_ON = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_OFF = 5,
HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_ON = 6,
HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_OFF = 7,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_ON = 8,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_OFF = 9,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_ON = 10,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_OFF = 11,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS */
HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_OFF = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_OFF = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_ON = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_OFF = 5,
HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_ON = 6,
HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_OFF = 7,
HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_ON = 8,
HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_OFF = 9,
HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_ON = 10,
HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_OFF = 11,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ORNAMENTS = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DINGBATS = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PI_CHARACTERS = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_FLEURONS = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DECORATIVE_BORDERS = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_INTERNATIONAL_SYMBOLS = 5,
HB_AAT_LAYOUT_FEATURE_SELECTOR_MATH_SYMBOLS = 6,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ALTERNATES = 0,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL1 = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL2 = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL3 = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL4 = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL5 = 4,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLE_OPTIONS = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DISPLAY_TEXT = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ENGRAVED_TEXT = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ILLUMINATED_CAPS = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_TITLING_CAPS = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_TALL_CAPS = 5,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_CHARACTERS = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SIMPLIFIED_CHARACTERS = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1978_CHARACTERS = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1983_CHARACTERS = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1990_CHARACTERS = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_ONE = 5,
HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_TWO = 6,
HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_THREE = 7,
HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FOUR = 8,
HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FIVE = 9,
HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPERT_CHARACTERS = 10,
HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS2004_CHARACTERS = 11,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HOJO_CHARACTERS = 12,
HB_AAT_LAYOUT_FEATURE_SELECTOR_NLCCHARACTERS = 13,
HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_NAMES_CHARACTERS = 14,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_NUMBERS = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_NUMBERS = 1,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING */
HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_TEXT = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_TEXT = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_TEXT = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_TEXT = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_TEXT = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_PROPORTIONAL_TEXT = 5,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_HALF_WIDTH_TEXT = 6,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_TRANSLITERATION = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HIRAGANA_TO_KATAKANA = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_KATAKANA_TO_HIRAGANA = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_KANA_TO_ROMANIZATION = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_HIRAGANA = 5,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_KATAKANA = 6,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_ONE = 7,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_TWO = 8,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_THREE = 9,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ANNOTATION = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_BOX_ANNOTATION = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ROUNDED_BOX_ANNOTATION = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CIRCLE_ANNOTATION = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_CIRCLE_ANNOTATION = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PARENTHESIS_ANNOTATION = 5,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIOD_ANNOTATION = 6,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMAN_NUMERAL_ANNOTATION = 7,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAMOND_ANNOTATION = 8,
HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_BOX_ANNOTATION = 9,
HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_ROUNDED_BOX_ANNOTATION= 10,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_KANA = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_KANA = 1,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_IDEOGRAPHS = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_IDEOGRAPHS = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_IDEOGRAPHS = 2,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_OFF = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_OFF = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_ON = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_OFF = 5,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_RUBY_KANA = 0, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF instead */
HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA = 1, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON instead */
HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF = 3,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_SYMBOL_ALTERNATIVES = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_ONE = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_TWO = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_THREE = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FOUR = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FIVE = 5,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_IDEOGRAPHIC_ALTERNATIVES = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_ONE = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_TWO = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_THREE = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FOUR = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FIVE = 5,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_CENTERED = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_HBASELINE = 1,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_ITALIC_ROMAN = 0, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF instead */
HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN = 1, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON instead */
HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF = 3,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT */
HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_OFF = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_OFF = 3,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA */
HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_OFF = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_OFF = 3,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES */
HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLISTIC_ALTERNATES = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_OFF = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_ON = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_OFF = 5,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_ON = 6,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_OFF = 7,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_ON = 8,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_OFF = 9,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_ON = 10,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_OFF = 11,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_ON = 12,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_OFF = 13,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_ON = 14,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_OFF = 15,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_ON = 16,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_OFF = 17,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_ON = 18,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_OFF = 19,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_ON = 20,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_OFF = 21,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_ON = 22,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_OFF = 23,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_ON = 24,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_OFF = 25,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_ON = 26,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_OFF = 27,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_ON = 28,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_OFF = 29,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_ON = 30,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_OFF = 31,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_ON = 32,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_OFF = 33,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_ON = 34,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_OFF = 35,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_ON = 36,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_OFF = 37,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_ON = 38,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_OFF = 39,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_ON = 40,
HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_OFF = 41,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES */
HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_ON = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_OFF = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_ON = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_OFF = 3,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_ON = 4,
HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_OFF= 5,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_LOWER_CASE = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_SMALL_CAPS = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_PETITE_CAPS = 2,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_UPPER_CASE = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_SMALL_CAPS = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_PETITE_CAPS = 2,
/* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE */
HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_CJK_ROMAN = 0,
HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_CJK_ROMAN = 1,
HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_CJK_ROMAN = 2,
HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_CJK_ROMAN = 3,
/*< private >*/
_HB_AAT_LAYOUT_FEATURE_SELECTOR_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
} hb_aat_layout_feature_selector_t;
HB_EXTERN unsigned int
hb_aat_layout_get_feature_types (hb_face_t *face,
unsigned int start_offset,
unsigned int *feature_count, /* IN/OUT. May be NULL. */
hb_aat_layout_feature_type_t *features /* OUT. May be NULL. */);
HB_EXTERN hb_ot_name_id_t
hb_aat_layout_feature_type_get_name_id (hb_face_t *face,
hb_aat_layout_feature_type_t feature_type);
/**
* hb_aat_layout_feature_selector_info_t:
* @name_id: The selector's name identifier
* @enable: The value to turn the selector on
* @disable: The value to turn the selector off
*
* Structure representing a setting for an #hb_aat_layout_feature_type_t.
*/
typedef struct hb_aat_layout_feature_selector_info_t {
hb_ot_name_id_t name_id;
hb_aat_layout_feature_selector_t enable;
hb_aat_layout_feature_selector_t disable;
/*< private >*/
unsigned int reserved;
} hb_aat_layout_feature_selector_info_t;
/**
* HB_AAT_LAYOUT_NO_SELECTOR_INDEX
*
* Used when getting or setting AAT feature selectors. Indicates that
* there is no selector index corresponding to the selector of interest.
*
*/
#define HB_AAT_LAYOUT_NO_SELECTOR_INDEX 0xFFFFu
HB_EXTERN unsigned int
hb_aat_layout_feature_type_get_selector_infos (hb_face_t *face,
hb_aat_layout_feature_type_t feature_type,
unsigned int start_offset,
unsigned int *selector_count, /* IN/OUT. May be NULL. */
hb_aat_layout_feature_selector_info_t *selectors, /* OUT. May be NULL. */
unsigned int *default_index /* OUT. May be NULL. */);
/*
* morx/mort
*/
HB_EXTERN hb_bool_t
hb_aat_layout_has_substitution (hb_face_t *face);
/*
* kerx
*/
HB_EXTERN hb_bool_t
hb_aat_layout_has_positioning (hb_face_t *face);
/*
* trak
*/
HB_EXTERN hb_bool_t
hb_aat_layout_has_tracking (hb_face_t *face);
HB_END_DECLS
#endif /* HB_AAT_LAYOUT_H */
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