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1 /*
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2 * Copyright © 2018 Ebrahim Byagowi
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3 *
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4 * This is part of HarfBuzz, a text shaping library.
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5 *
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6 * Permission is hereby granted, without written agreement and without
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7 * license or royalty fees, to use, copy, modify, and distribute this
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8 * software and its documentation for any purpose, provided that the
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9 * above copyright notice and the following two paragraphs appear in
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10 * all copies of this software.
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11 *
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12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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16 * DAMAGE.
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17 *
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18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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23 */
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24
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25 #ifndef HB_AAT_H_IN
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26 #error "Include <hb-aat.h> instead."
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27 #endif
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28
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29 #ifndef HB_AAT_LAYOUT_H
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30 #define HB_AAT_LAYOUT_H
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31
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32 #include "hb.h"
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33
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34 #include "hb-ot.h"
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35
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36 HB_BEGIN_DECLS
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37
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38 /**
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39 * hb_aat_layout_feature_type_t:
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40 *
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41 *
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42 * Since: 2.2.0
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43 */
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44 typedef enum
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45 {
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46 HB_AAT_LAYOUT_FEATURE_TYPE_INVALID = 0xFFFF,
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47
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48 HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC = 0,
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49 HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES = 1,
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50 HB_AAT_LAYOUT_FEATURE_TYPE_CURISVE_CONNECTION = 2,
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51 HB_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE = 3,
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52 HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION = 4,
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53 HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT = 5,
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54 HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING = 6,
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55 HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE = 8,
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56 HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE = 9,
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57 HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION = 10,
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58 HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS = 11,
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59 HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE = 13,
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60 HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS = 14,
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61 HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS = 15,
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62 HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE = 16,
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63 HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES = 17,
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64 HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE = 18,
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65 HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS = 19,
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66 HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE = 20,
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67 HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE = 21,
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68 HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING = 22,
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69 HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION = 23,
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70 HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE = 24,
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71 HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE = 25,
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72 HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE = 26,
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73 HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE = 27,
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74 HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA = 28,
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75 HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE = 29,
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76 HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE = 30,
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77 HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE = 31,
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78 HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN = 32,
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79 HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT = 33,
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80 HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA = 34,
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81 HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES = 35,
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82 HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES = 36,
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83 HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE = 37,
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84 HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE = 38,
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85 HB_AAT_LAYOUT_FEATURE_TYPE_LANGUAGE_TAG_TYPE = 39,
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86 HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE = 103,
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87
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88 _HB_AAT_LAYOUT_FEATURE_TYPE_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
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89 } hb_aat_layout_feature_type_t;
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90
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91 /**
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92 * hb_aat_layout_feature_selector_t:
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93 *
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94 *
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95 * Since: 2.2.0
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96 */
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97 typedef enum
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98 {
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99 HB_AAT_LAYOUT_FEATURE_SELECTOR_INVALID = 0xFFFF,
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100
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101 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC */
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102 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_ON = 0,
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103 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_OFF = 1,
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104
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105 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES */
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106 HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_ON = 0,
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107 HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_OFF = 1,
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108 HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_ON = 2,
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109 HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_OFF = 3,
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110 HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_ON = 4,
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111 HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_OFF = 5,
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112 HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_ON = 6,
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113 HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_OFF = 7,
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114 HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_ON = 8,
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115 HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_OFF = 9,
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116 HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_ON = 10,
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117 HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_OFF = 11,
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118 HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_ON = 12,
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119 HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_OFF = 13,
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120 HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_ON = 14,
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121 HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_OFF = 15,
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122 HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_ON = 16,
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123 HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_OFF = 17,
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124 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_ON = 18,
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125 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_OFF = 19,
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126 HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_ON = 20,
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127 HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_OFF = 21,
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128
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129 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES */
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130 HB_AAT_LAYOUT_FEATURE_SELECTOR_UNCONNECTED = 0,
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131 HB_AAT_LAYOUT_FEATURE_SELECTOR_PARTIALLY_CONNECTED = 1,
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132 HB_AAT_LAYOUT_FEATURE_SELECTOR_CURSIVE = 2,
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133
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134 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE */
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135 HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_AND_LOWER_CASE = 0, /* deprecated */
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136 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_CAPS = 1, /* deprecated */
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137 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_LOWER_CASE = 2, /* deprecated */
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138 HB_AAT_LAYOUT_FEATURE_SELECTOR_SMALL_CAPS = 3, /* deprecated */
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139 HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS = 4, /* deprecated */
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140 HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS_AND_SMALL_CAPS = 5, /* deprecated */
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141
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142 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION */
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143 HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_ON = 0,
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144 HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_OFF = 1,
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145
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146 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT */
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147 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_ON = 0,
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148 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_OFF = 1,
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149
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150 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING */
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151 HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_NUMBERS = 0,
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152 HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_NUMBERS = 1,
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153 HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_NUMBERS = 2,
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154 HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_NUMBERS = 3,
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155
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156 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE */
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157 HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_ON = 0,
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158 HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_OFF = 1,
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159 HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_ON = 2,
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160 HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_OFF = 3,
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161 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_ON = 4,
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162 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_OFF = 5,
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163 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_ON = 6,
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164 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_OFF = 7,
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165 HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_ON = 8,
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166 HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_OFF = 9,
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167
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168 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE */
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169 HB_AAT_LAYOUT_FEATURE_SELECTOR_SHOW_DIACRITICS = 0,
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170 HB_AAT_LAYOUT_FEATURE_SELECTOR_HIDE_DIACRITICS = 1,
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171 HB_AAT_LAYOUT_FEATURE_SELECTOR_DECOMPOSE_DIACRITICS = 2,
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172
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173 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION */
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174 HB_AAT_LAYOUT_FEATURE_SELECTOR_NORMAL_POSITION = 0,
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175 HB_AAT_LAYOUT_FEATURE_SELECTOR_SUPERIORS = 1,
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176 HB_AAT_LAYOUT_FEATURE_SELECTOR_INFERIORS = 2,
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177 HB_AAT_LAYOUT_FEATURE_SELECTOR_ORDINALS = 3,
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178 HB_AAT_LAYOUT_FEATURE_SELECTOR_SCIENTIFIC_INFERIORS = 4,
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179
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180 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS */
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181 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_FRACTIONS = 0,
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182 HB_AAT_LAYOUT_FEATURE_SELECTOR_VERTICAL_FRACTIONS = 1,
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183 HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAGONAL_FRACTIONS = 2,
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184
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185 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE */
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186 HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_ON = 0,
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187 HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_OFF = 1,
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188
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189 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS */
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190 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_ON = 0,
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191 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_OFF = 1,
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192 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_ON = 2,
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193 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_OFF = 3,
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194 HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_ON = 4,
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195 HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_OFF = 5,
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196 HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_ON = 6,
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197 HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_OFF = 7,
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198 HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_ON = 8,
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199 HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_OFF = 9,
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200 HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_ON = 10,
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201 HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_OFF = 11,
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202
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203 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS */
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204 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_ON = 0,
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205 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_OFF = 1,
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206 HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_ON = 2,
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207 HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_OFF = 3,
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208 HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_ON = 4,
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209 HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_OFF = 5,
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210 HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_ON = 6,
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211 HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_OFF = 7,
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212 HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_ON = 8,
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213 HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_OFF = 9,
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214 HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_ON = 10,
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215 HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_OFF = 11,
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216
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217 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE */
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jpayne@69
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218 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ORNAMENTS = 0,
|
|
jpayne@69
|
219 HB_AAT_LAYOUT_FEATURE_SELECTOR_DINGBATS = 1,
|
|
jpayne@69
|
220 HB_AAT_LAYOUT_FEATURE_SELECTOR_PI_CHARACTERS = 2,
|
|
jpayne@69
|
221 HB_AAT_LAYOUT_FEATURE_SELECTOR_FLEURONS = 3,
|
|
jpayne@69
|
222 HB_AAT_LAYOUT_FEATURE_SELECTOR_DECORATIVE_BORDERS = 4,
|
|
jpayne@69
|
223 HB_AAT_LAYOUT_FEATURE_SELECTOR_INTERNATIONAL_SYMBOLS = 5,
|
|
jpayne@69
|
224 HB_AAT_LAYOUT_FEATURE_SELECTOR_MATH_SYMBOLS = 6,
|
|
jpayne@69
|
225
|
|
jpayne@69
|
226 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES */
|
|
jpayne@69
|
227 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ALTERNATES = 0,
|
|
jpayne@69
|
228
|
|
jpayne@69
|
229 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE */
|
|
jpayne@69
|
230 HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL1 = 0,
|
|
jpayne@69
|
231 HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL2 = 1,
|
|
jpayne@69
|
232 HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL3 = 2,
|
|
jpayne@69
|
233 HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL4 = 3,
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|
jpayne@69
|
234 HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL5 = 4,
|
|
jpayne@69
|
235
|
|
jpayne@69
|
236 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS */
|
|
jpayne@69
|
237 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLE_OPTIONS = 0,
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|
jpayne@69
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238 HB_AAT_LAYOUT_FEATURE_SELECTOR_DISPLAY_TEXT = 1,
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|
jpayne@69
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239 HB_AAT_LAYOUT_FEATURE_SELECTOR_ENGRAVED_TEXT = 2,
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|
jpayne@69
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240 HB_AAT_LAYOUT_FEATURE_SELECTOR_ILLUMINATED_CAPS = 3,
|
|
jpayne@69
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241 HB_AAT_LAYOUT_FEATURE_SELECTOR_TITLING_CAPS = 4,
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|
jpayne@69
|
242 HB_AAT_LAYOUT_FEATURE_SELECTOR_TALL_CAPS = 5,
|
|
jpayne@69
|
243
|
|
jpayne@69
|
244 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE */
|
|
jpayne@69
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245 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_CHARACTERS = 0,
|
|
jpayne@69
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246 HB_AAT_LAYOUT_FEATURE_SELECTOR_SIMPLIFIED_CHARACTERS = 1,
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|
jpayne@69
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247 HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1978_CHARACTERS = 2,
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|
jpayne@69
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248 HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1983_CHARACTERS = 3,
|
|
jpayne@69
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249 HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1990_CHARACTERS = 4,
|
|
jpayne@69
|
250 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_ONE = 5,
|
|
jpayne@69
|
251 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_TWO = 6,
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|
jpayne@69
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252 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_THREE = 7,
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|
jpayne@69
|
253 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FOUR = 8,
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|
jpayne@69
|
254 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FIVE = 9,
|
|
jpayne@69
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255 HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPERT_CHARACTERS = 10,
|
|
jpayne@69
|
256 HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS2004_CHARACTERS = 11,
|
|
jpayne@69
|
257 HB_AAT_LAYOUT_FEATURE_SELECTOR_HOJO_CHARACTERS = 12,
|
|
jpayne@69
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258 HB_AAT_LAYOUT_FEATURE_SELECTOR_NLCCHARACTERS = 13,
|
|
jpayne@69
|
259 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_NAMES_CHARACTERS = 14,
|
|
jpayne@69
|
260
|
|
jpayne@69
|
261 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE */
|
|
jpayne@69
|
262 HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_NUMBERS = 0,
|
|
jpayne@69
|
263 HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_NUMBERS = 1,
|
|
jpayne@69
|
264
|
|
jpayne@69
|
265 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING */
|
|
jpayne@69
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266 HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_TEXT = 0,
|
|
jpayne@69
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267 HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_TEXT = 1,
|
|
jpayne@69
|
268 HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_TEXT = 2,
|
|
jpayne@69
|
269 HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_TEXT = 3,
|
|
jpayne@69
|
270 HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_TEXT = 4,
|
|
jpayne@69
|
271 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_PROPORTIONAL_TEXT = 5,
|
|
jpayne@69
|
272 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_HALF_WIDTH_TEXT = 6,
|
|
jpayne@69
|
273
|
|
jpayne@69
|
274 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION */
|
|
jpayne@69
|
275 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_TRANSLITERATION = 0,
|
|
jpayne@69
|
276 HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL = 1,
|
|
jpayne@69
|
277 HB_AAT_LAYOUT_FEATURE_SELECTOR_HIRAGANA_TO_KATAKANA = 2,
|
|
jpayne@69
|
278 HB_AAT_LAYOUT_FEATURE_SELECTOR_KATAKANA_TO_HIRAGANA = 3,
|
|
jpayne@69
|
279 HB_AAT_LAYOUT_FEATURE_SELECTOR_KANA_TO_ROMANIZATION = 4,
|
|
jpayne@69
|
280 HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_HIRAGANA = 5,
|
|
jpayne@69
|
281 HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_KATAKANA = 6,
|
|
jpayne@69
|
282 HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_ONE = 7,
|
|
jpayne@69
|
283 HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_TWO = 8,
|
|
jpayne@69
|
284 HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_THREE = 9,
|
|
jpayne@69
|
285
|
|
jpayne@69
|
286 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE */
|
|
jpayne@69
|
287 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ANNOTATION = 0,
|
|
jpayne@69
|
288 HB_AAT_LAYOUT_FEATURE_SELECTOR_BOX_ANNOTATION = 1,
|
|
jpayne@69
|
289 HB_AAT_LAYOUT_FEATURE_SELECTOR_ROUNDED_BOX_ANNOTATION = 2,
|
|
jpayne@69
|
290 HB_AAT_LAYOUT_FEATURE_SELECTOR_CIRCLE_ANNOTATION = 3,
|
|
jpayne@69
|
291 HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_CIRCLE_ANNOTATION = 4,
|
|
jpayne@69
|
292 HB_AAT_LAYOUT_FEATURE_SELECTOR_PARENTHESIS_ANNOTATION = 5,
|
|
jpayne@69
|
293 HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIOD_ANNOTATION = 6,
|
|
jpayne@69
|
294 HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMAN_NUMERAL_ANNOTATION = 7,
|
|
jpayne@69
|
295 HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAMOND_ANNOTATION = 8,
|
|
jpayne@69
|
296 HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_BOX_ANNOTATION = 9,
|
|
jpayne@69
|
297 HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_ROUNDED_BOX_ANNOTATION= 10,
|
|
jpayne@69
|
298
|
|
jpayne@69
|
299 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE */
|
|
jpayne@69
|
300 HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_KANA = 0,
|
|
jpayne@69
|
301 HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_KANA = 1,
|
|
jpayne@69
|
302
|
|
jpayne@69
|
303 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE */
|
|
jpayne@69
|
304 HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_IDEOGRAPHS = 0,
|
|
jpayne@69
|
305 HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_IDEOGRAPHS = 1,
|
|
jpayne@69
|
306 HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_IDEOGRAPHS = 2,
|
|
jpayne@69
|
307
|
|
jpayne@69
|
308 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE */
|
|
jpayne@69
|
309 HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_ON = 0,
|
|
jpayne@69
|
310 HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_OFF = 1,
|
|
jpayne@69
|
311 HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_ON = 2,
|
|
jpayne@69
|
312 HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_OFF = 3,
|
|
jpayne@69
|
313 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_ON = 4,
|
|
jpayne@69
|
314 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_OFF = 5,
|
|
jpayne@69
|
315
|
|
jpayne@69
|
316 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA */
|
|
jpayne@69
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317 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_RUBY_KANA = 0, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF instead */
|
|
jpayne@69
|
318 HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA = 1, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON instead */
|
|
jpayne@69
|
319 HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON = 2,
|
|
jpayne@69
|
320 HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF = 3,
|
|
jpayne@69
|
321
|
|
jpayne@69
|
322 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE */
|
|
jpayne@69
|
323 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_SYMBOL_ALTERNATIVES = 0,
|
|
jpayne@69
|
324 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_ONE = 1,
|
|
jpayne@69
|
325 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_TWO = 2,
|
|
jpayne@69
|
326 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_THREE = 3,
|
|
jpayne@69
|
327 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FOUR = 4,
|
|
jpayne@69
|
328 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FIVE = 5,
|
|
jpayne@69
|
329
|
|
jpayne@69
|
330 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE */
|
|
jpayne@69
|
331 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_IDEOGRAPHIC_ALTERNATIVES = 0,
|
|
jpayne@69
|
332 HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_ONE = 1,
|
|
jpayne@69
|
333 HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_TWO = 2,
|
|
jpayne@69
|
334 HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_THREE = 3,
|
|
jpayne@69
|
335 HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FOUR = 4,
|
|
jpayne@69
|
336 HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FIVE = 5,
|
|
jpayne@69
|
337
|
|
jpayne@69
|
338 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE */
|
|
jpayne@69
|
339 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_CENTERED = 0,
|
|
jpayne@69
|
340 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_HBASELINE = 1,
|
|
jpayne@69
|
341
|
|
jpayne@69
|
342 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN */
|
|
jpayne@69
|
343 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_ITALIC_ROMAN = 0, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF instead */
|
|
jpayne@69
|
344 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN = 1, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON instead */
|
|
jpayne@69
|
345 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON = 2,
|
|
jpayne@69
|
346 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF = 3,
|
|
jpayne@69
|
347
|
|
jpayne@69
|
348 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT */
|
|
jpayne@69
|
349 HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_ON = 0,
|
|
jpayne@69
|
350 HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_OFF = 1,
|
|
jpayne@69
|
351 HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_ON = 2,
|
|
jpayne@69
|
352 HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_OFF = 3,
|
|
jpayne@69
|
353
|
|
jpayne@69
|
354 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA */
|
|
jpayne@69
|
355 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_ON = 0,
|
|
jpayne@69
|
356 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_OFF = 1,
|
|
jpayne@69
|
357 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_ON = 2,
|
|
jpayne@69
|
358 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_OFF = 3,
|
|
jpayne@69
|
359
|
|
jpayne@69
|
360 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES */
|
|
jpayne@69
|
361 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLISTIC_ALTERNATES = 0,
|
|
jpayne@69
|
362 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_ON = 2,
|
|
jpayne@69
|
363 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_OFF = 3,
|
|
jpayne@69
|
364 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_ON = 4,
|
|
jpayne@69
|
365 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_OFF = 5,
|
|
jpayne@69
|
366 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_ON = 6,
|
|
jpayne@69
|
367 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_OFF = 7,
|
|
jpayne@69
|
368 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_ON = 8,
|
|
jpayne@69
|
369 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_OFF = 9,
|
|
jpayne@69
|
370 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_ON = 10,
|
|
jpayne@69
|
371 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_OFF = 11,
|
|
jpayne@69
|
372 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_ON = 12,
|
|
jpayne@69
|
373 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_OFF = 13,
|
|
jpayne@69
|
374 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_ON = 14,
|
|
jpayne@69
|
375 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_OFF = 15,
|
|
jpayne@69
|
376 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_ON = 16,
|
|
jpayne@69
|
377 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_OFF = 17,
|
|
jpayne@69
|
378 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_ON = 18,
|
|
jpayne@69
|
379 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_OFF = 19,
|
|
jpayne@69
|
380 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_ON = 20,
|
|
jpayne@69
|
381 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_OFF = 21,
|
|
jpayne@69
|
382 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_ON = 22,
|
|
jpayne@69
|
383 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_OFF = 23,
|
|
jpayne@69
|
384 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_ON = 24,
|
|
jpayne@69
|
385 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_OFF = 25,
|
|
jpayne@69
|
386 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_ON = 26,
|
|
jpayne@69
|
387 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_OFF = 27,
|
|
jpayne@69
|
388 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_ON = 28,
|
|
jpayne@69
|
389 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_OFF = 29,
|
|
jpayne@69
|
390 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_ON = 30,
|
|
jpayne@69
|
391 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_OFF = 31,
|
|
jpayne@69
|
392 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_ON = 32,
|
|
jpayne@69
|
393 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_OFF = 33,
|
|
jpayne@69
|
394 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_ON = 34,
|
|
jpayne@69
|
395 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_OFF = 35,
|
|
jpayne@69
|
396 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_ON = 36,
|
|
jpayne@69
|
397 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_OFF = 37,
|
|
jpayne@69
|
398 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_ON = 38,
|
|
jpayne@69
|
399 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_OFF = 39,
|
|
jpayne@69
|
400 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_ON = 40,
|
|
jpayne@69
|
401 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_OFF = 41,
|
|
jpayne@69
|
402
|
|
jpayne@69
|
403 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES */
|
|
jpayne@69
|
404 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_ON = 0,
|
|
jpayne@69
|
405 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_OFF = 1,
|
|
jpayne@69
|
406 HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_ON = 2,
|
|
jpayne@69
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407 HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_OFF = 3,
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408 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_ON = 4,
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409 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_OFF= 5,
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410
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411 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE */
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412 HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_LOWER_CASE = 0,
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413 HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_SMALL_CAPS = 1,
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414 HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_PETITE_CAPS = 2,
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415
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416 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE */
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417 HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_UPPER_CASE = 0,
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418 HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_SMALL_CAPS = 1,
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419 HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_PETITE_CAPS = 2,
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420
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421 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE */
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422 HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_CJK_ROMAN = 0,
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423 HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_CJK_ROMAN = 1,
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424 HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_CJK_ROMAN = 2,
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425 HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_CJK_ROMAN = 3,
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426
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427 _HB_AAT_LAYOUT_FEATURE_SELECTOR_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
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428 } hb_aat_layout_feature_selector_t;
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429
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430 HB_EXTERN unsigned int
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431 hb_aat_layout_get_feature_types (hb_face_t *face,
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432 unsigned int start_offset,
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433 unsigned int *feature_count, /* IN/OUT. May be NULL. */
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434 hb_aat_layout_feature_type_t *features /* OUT. May be NULL. */);
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435
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436 HB_EXTERN hb_ot_name_id_t
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437 hb_aat_layout_feature_type_get_name_id (hb_face_t *face,
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438 hb_aat_layout_feature_type_t feature_type);
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439
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440 typedef struct hb_aat_layout_feature_selector_info_t
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441 {
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442 hb_ot_name_id_t name_id;
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443 hb_aat_layout_feature_selector_t enable;
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444 hb_aat_layout_feature_selector_t disable;
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445 /*< private >*/
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446 unsigned int reserved;
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447 } hb_aat_layout_feature_selector_info_t;
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448
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449 #define HB_AAT_LAYOUT_NO_SELECTOR_INDEX 0xFFFFu
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450
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451 HB_EXTERN unsigned int
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452 hb_aat_layout_feature_type_get_selector_infos (hb_face_t *face,
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453 hb_aat_layout_feature_type_t feature_type,
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454 unsigned int start_offset,
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455 unsigned int *selector_count, /* IN/OUT. May be NULL. */
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456 hb_aat_layout_feature_selector_info_t *selectors, /* OUT. May be NULL. */
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457 unsigned int *default_index /* OUT. May be NULL. */);
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458
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459
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460 /*
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461 * morx/mort
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462 */
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463
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464 HB_EXTERN hb_bool_t
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465 hb_aat_layout_has_substitution (hb_face_t *face);
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466
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467
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468 /*
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469 * kerx
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470 */
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471
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472 HB_EXTERN hb_bool_t
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473 hb_aat_layout_has_positioning (hb_face_t *face);
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474
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475
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476 /*
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477 * trak
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478 */
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479
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480 HB_EXTERN hb_bool_t
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481 hb_aat_layout_has_tracking (hb_face_t *face);
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482
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483
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484 HB_END_DECLS
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485
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486 #endif /* HB_AAT_LAYOUT_H */
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