1/*
2 * Copyright © 2018 Ebrahim Byagowi
3 *
4 * This is part of HarfBuzz, a text shaping library.
5 *
6 * Permission is hereby granted, without written agreement and without
7 * license or royalty fees, to use, copy, modify, and distribute this
8 * software and its documentation for any purpose, provided that the
9 * above copyright notice and the following two paragraphs appear in
10 * all copies of this software.
11 *
12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
16 * DAMAGE.
17 *
18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
23 */
24
25#ifndef HB_AAT_H_IN
26#error "Include <hb-aat.h> instead."
27#endif
28
29#ifndef HB_AAT_LAYOUT_H
30#define HB_AAT_LAYOUT_H
31
32#include "hb.h"
33
34#include "hb-ot.h"
35
36HB_BEGIN_DECLS
37
38/**
39 * hb_aat_layout_feature_type_t:
40 *
41 *
42 * Since: 2.2.0
43 */
44typedef enum
45{
46 HB_AAT_LAYOUT_FEATURE_TYPE_INVALID = 0xFFFF,
47
48 HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC = 0,
49 HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES = 1,
50 HB_AAT_LAYOUT_FEATURE_TYPE_CURISVE_CONNECTION = 2,
51 HB_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE = 3,
52 HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION = 4,
53 HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT = 5,
54 HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING = 6,
55 HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE = 8,
56 HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE = 9,
57 HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION = 10,
58 HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS = 11,
59 HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE = 13,
60 HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS = 14,
61 HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS = 15,
62 HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE = 16,
63 HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES = 17,
64 HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE = 18,
65 HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS = 19,
66 HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE = 20,
67 HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE = 21,
68 HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING = 22,
69 HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION = 23,
70 HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE = 24,
71 HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE = 25,
72 HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE = 26,
73 HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE = 27,
74 HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA = 28,
75 HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE = 29,
76 HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE = 30,
77 HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE = 31,
78 HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN = 32,
79 HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT = 33,
80 HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA = 34,
81 HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES = 35,
82 HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES = 36,
83 HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE = 37,
84 HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE = 38,
85 HB_AAT_LAYOUT_FEATURE_TYPE_LANGUAGE_TAG_TYPE = 39,
86 HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE = 103,
87
88 _HB_AAT_LAYOUT_FEATURE_TYPE_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
89} hb_aat_layout_feature_type_t;
90
91/**
92 * hb_aat_layout_feature_selector_t:
93 *
94 *
95 * Since: 2.2.0
96 */
97typedef enum
98{
99 HB_AAT_LAYOUT_FEATURE_SELECTOR_INVALID = 0xFFFF,
100
101 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ALL_TYPOGRAPHIC */
102 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_ON = 0,
103 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_TYPE_FEATURES_OFF = 1,
104
105 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES */
106 HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_ON = 0,
107 HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_OFF = 1,
108 HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_ON = 2,
109 HB_AAT_LAYOUT_FEATURE_SELECTOR_COMMON_LIGATURES_OFF = 3,
110 HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_ON = 4,
111 HB_AAT_LAYOUT_FEATURE_SELECTOR_RARE_LIGATURES_OFF = 5,
112 HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_ON = 6,
113 HB_AAT_LAYOUT_FEATURE_SELECTOR_LOGOS_OFF = 7,
114 HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_ON = 8,
115 HB_AAT_LAYOUT_FEATURE_SELECTOR_REBUS_PICTURES_OFF = 9,
116 HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_ON = 10,
117 HB_AAT_LAYOUT_FEATURE_SELECTOR_DIPHTHONG_LIGATURES_OFF = 11,
118 HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_ON = 12,
119 HB_AAT_LAYOUT_FEATURE_SELECTOR_SQUARED_LIGATURES_OFF = 13,
120 HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_ON = 14,
121 HB_AAT_LAYOUT_FEATURE_SELECTOR_ABBREV_SQUARED_LIGATURES_OFF = 15,
122 HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_ON = 16,
123 HB_AAT_LAYOUT_FEATURE_SELECTOR_SYMBOL_LIGATURES_OFF = 17,
124 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_ON = 18,
125 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_LIGATURES_OFF = 19,
126 HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_ON = 20,
127 HB_AAT_LAYOUT_FEATURE_SELECTOR_HISTORICAL_LIGATURES_OFF = 21,
128
129 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES */
130 HB_AAT_LAYOUT_FEATURE_SELECTOR_UNCONNECTED = 0,
131 HB_AAT_LAYOUT_FEATURE_SELECTOR_PARTIALLY_CONNECTED = 1,
132 HB_AAT_LAYOUT_FEATURE_SELECTOR_CURSIVE = 2,
133
134 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LETTER_CASE */
135 HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_AND_LOWER_CASE = 0, /* deprecated */
136 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_CAPS = 1, /* deprecated */
137 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALL_LOWER_CASE = 2, /* deprecated */
138 HB_AAT_LAYOUT_FEATURE_SELECTOR_SMALL_CAPS = 3, /* deprecated */
139 HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS = 4, /* deprecated */
140 HB_AAT_LAYOUT_FEATURE_SELECTOR_INITIAL_CAPS_AND_SMALL_CAPS = 5, /* deprecated */
141
142 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_SUBSTITUTION */
143 HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_ON = 0,
144 HB_AAT_LAYOUT_FEATURE_SELECTOR_SUBSTITUTE_VERTICAL_FORMS_OFF = 1,
145
146 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LINGUISTIC_REARRANGEMENT */
147 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_ON = 0,
148 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINGUISTIC_REARRANGEMENT_OFF = 1,
149
150 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING */
151 HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_NUMBERS = 0,
152 HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_NUMBERS = 1,
153 HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_NUMBERS = 2,
154 HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_NUMBERS = 3,
155
156 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_SMART_SWASH_TYPE */
157 HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_ON = 0,
158 HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_INITIAL_SWASHES_OFF = 1,
159 HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_ON = 2,
160 HB_AAT_LAYOUT_FEATURE_SELECTOR_WORD_FINAL_SWASHES_OFF = 3,
161 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_ON = 4,
162 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_INITIAL_SWASHES_OFF = 5,
163 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_ON = 6,
164 HB_AAT_LAYOUT_FEATURE_SELECTOR_LINE_FINAL_SWASHES_OFF = 7,
165 HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_ON = 8,
166 HB_AAT_LAYOUT_FEATURE_SELECTOR_NON_FINAL_SWASHES_OFF = 9,
167
168 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_DIACRITICS_TYPE */
169 HB_AAT_LAYOUT_FEATURE_SELECTOR_SHOW_DIACRITICS = 0,
170 HB_AAT_LAYOUT_FEATURE_SELECTOR_HIDE_DIACRITICS = 1,
171 HB_AAT_LAYOUT_FEATURE_SELECTOR_DECOMPOSE_DIACRITICS = 2,
172
173 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION */
174 HB_AAT_LAYOUT_FEATURE_SELECTOR_NORMAL_POSITION = 0,
175 HB_AAT_LAYOUT_FEATURE_SELECTOR_SUPERIORS = 1,
176 HB_AAT_LAYOUT_FEATURE_SELECTOR_INFERIORS = 2,
177 HB_AAT_LAYOUT_FEATURE_SELECTOR_ORDINALS = 3,
178 HB_AAT_LAYOUT_FEATURE_SELECTOR_SCIENTIFIC_INFERIORS = 4,
179
180 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_FRACTIONS */
181 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_FRACTIONS = 0,
182 HB_AAT_LAYOUT_FEATURE_SELECTOR_VERTICAL_FRACTIONS = 1,
183 HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAGONAL_FRACTIONS = 2,
184
185 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_OVERLAPPING_CHARACTERS_TYPE */
186 HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_ON = 0,
187 HB_AAT_LAYOUT_FEATURE_SELECTOR_PREVENT_OVERLAP_OFF = 1,
188
189 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_TYPOGRAPHIC_EXTRAS */
190 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_ON = 0,
191 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHENS_TO_EM_DASH_OFF = 1,
192 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_ON = 2,
193 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_EN_DASH_OFF = 3,
194 HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_ON = 4,
195 HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASHED_ZERO_OFF = 5,
196 HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_ON = 6,
197 HB_AAT_LAYOUT_FEATURE_SELECTOR_FORM_INTERROBANG_OFF = 7,
198 HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_ON = 8,
199 HB_AAT_LAYOUT_FEATURE_SELECTOR_SMART_QUOTES_OFF = 9,
200 HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_ON = 10,
201 HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIODS_TO_ELLIPSIS_OFF = 11,
202
203 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_MATHEMATICAL_EXTRAS */
204 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_ON = 0,
205 HB_AAT_LAYOUT_FEATURE_SELECTOR_HYPHEN_TO_MINUS_OFF = 1,
206 HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_ON = 2,
207 HB_AAT_LAYOUT_FEATURE_SELECTOR_ASTERISK_TO_MULTIPLY_OFF = 3,
208 HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_ON = 4,
209 HB_AAT_LAYOUT_FEATURE_SELECTOR_SLASH_TO_DIVIDE_OFF = 5,
210 HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_ON = 6,
211 HB_AAT_LAYOUT_FEATURE_SELECTOR_INEQUALITY_LIGATURES_OFF = 7,
212 HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_ON = 8,
213 HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPONENTS_OFF = 9,
214 HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_ON = 10,
215 HB_AAT_LAYOUT_FEATURE_SELECTOR_MATHEMATICAL_GREEK_OFF = 11,
216
217 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ORNAMENT_SETS_TYPE */
218 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ORNAMENTS = 0,
219 HB_AAT_LAYOUT_FEATURE_SELECTOR_DINGBATS = 1,
220 HB_AAT_LAYOUT_FEATURE_SELECTOR_PI_CHARACTERS = 2,
221 HB_AAT_LAYOUT_FEATURE_SELECTOR_FLEURONS = 3,
222 HB_AAT_LAYOUT_FEATURE_SELECTOR_DECORATIVE_BORDERS = 4,
223 HB_AAT_LAYOUT_FEATURE_SELECTOR_INTERNATIONAL_SYMBOLS = 5,
224 HB_AAT_LAYOUT_FEATURE_SELECTOR_MATH_SYMBOLS = 6,
225
226 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_ALTERNATIVES */
227 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ALTERNATES = 0,
228
229 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_DESIGN_COMPLEXITY_TYPE */
230 HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL1 = 0,
231 HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL2 = 1,
232 HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL3 = 2,
233 HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL4 = 3,
234 HB_AAT_LAYOUT_FEATURE_SELECTOR_DESIGN_LEVEL5 = 4,
235
236 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLE_OPTIONS */
237 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLE_OPTIONS = 0,
238 HB_AAT_LAYOUT_FEATURE_SELECTOR_DISPLAY_TEXT = 1,
239 HB_AAT_LAYOUT_FEATURE_SELECTOR_ENGRAVED_TEXT = 2,
240 HB_AAT_LAYOUT_FEATURE_SELECTOR_ILLUMINATED_CAPS = 3,
241 HB_AAT_LAYOUT_FEATURE_SELECTOR_TITLING_CAPS = 4,
242 HB_AAT_LAYOUT_FEATURE_SELECTOR_TALL_CAPS = 5,
243
244 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CHARACTER_SHAPE */
245 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_CHARACTERS = 0,
246 HB_AAT_LAYOUT_FEATURE_SELECTOR_SIMPLIFIED_CHARACTERS = 1,
247 HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1978_CHARACTERS = 2,
248 HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1983_CHARACTERS = 3,
249 HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS1990_CHARACTERS = 4,
250 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_ONE = 5,
251 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_TWO = 6,
252 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_THREE = 7,
253 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FOUR = 8,
254 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_ALT_FIVE = 9,
255 HB_AAT_LAYOUT_FEATURE_SELECTOR_EXPERT_CHARACTERS = 10,
256 HB_AAT_LAYOUT_FEATURE_SELECTOR_JIS2004_CHARACTERS = 11,
257 HB_AAT_LAYOUT_FEATURE_SELECTOR_HOJO_CHARACTERS = 12,
258 HB_AAT_LAYOUT_FEATURE_SELECTOR_NLCCHARACTERS = 13,
259 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRADITIONAL_NAMES_CHARACTERS = 14,
260
261 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_CASE */
262 HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_NUMBERS = 0,
263 HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_NUMBERS = 1,
264
265 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING */
266 HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_TEXT = 0,
267 HB_AAT_LAYOUT_FEATURE_SELECTOR_MONOSPACED_TEXT = 1,
268 HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_TEXT = 2,
269 HB_AAT_LAYOUT_FEATURE_SELECTOR_THIRD_WIDTH_TEXT = 3,
270 HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_TEXT = 4,
271 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_PROPORTIONAL_TEXT = 5,
272 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALT_HALF_WIDTH_TEXT = 6,
273
274 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_TRANSLITERATION */
275 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_TRANSLITERATION = 0,
276 HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL = 1,
277 HB_AAT_LAYOUT_FEATURE_SELECTOR_HIRAGANA_TO_KATAKANA = 2,
278 HB_AAT_LAYOUT_FEATURE_SELECTOR_KATAKANA_TO_HIRAGANA = 3,
279 HB_AAT_LAYOUT_FEATURE_SELECTOR_KANA_TO_ROMANIZATION = 4,
280 HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_HIRAGANA = 5,
281 HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMANIZATION_TO_KATAKANA = 6,
282 HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_ONE = 7,
283 HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_TWO = 8,
284 HB_AAT_LAYOUT_FEATURE_SELECTOR_HANJA_TO_HANGUL_ALT_THREE = 9,
285
286 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ANNOTATION_TYPE */
287 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_ANNOTATION = 0,
288 HB_AAT_LAYOUT_FEATURE_SELECTOR_BOX_ANNOTATION = 1,
289 HB_AAT_LAYOUT_FEATURE_SELECTOR_ROUNDED_BOX_ANNOTATION = 2,
290 HB_AAT_LAYOUT_FEATURE_SELECTOR_CIRCLE_ANNOTATION = 3,
291 HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_CIRCLE_ANNOTATION = 4,
292 HB_AAT_LAYOUT_FEATURE_SELECTOR_PARENTHESIS_ANNOTATION = 5,
293 HB_AAT_LAYOUT_FEATURE_SELECTOR_PERIOD_ANNOTATION = 6,
294 HB_AAT_LAYOUT_FEATURE_SELECTOR_ROMAN_NUMERAL_ANNOTATION = 7,
295 HB_AAT_LAYOUT_FEATURE_SELECTOR_DIAMOND_ANNOTATION = 8,
296 HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_BOX_ANNOTATION = 9,
297 HB_AAT_LAYOUT_FEATURE_SELECTOR_INVERTED_ROUNDED_BOX_ANNOTATION= 10,
298
299 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_KANA_SPACING_TYPE */
300 HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_KANA = 0,
301 HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_KANA = 1,
302
303 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_SPACING_TYPE */
304 HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_IDEOGRAPHS = 0,
305 HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_IDEOGRAPHS = 1,
306 HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_IDEOGRAPHS = 2,
307
308 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_UNICODE_DECOMPOSITION_TYPE */
309 HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_ON = 0,
310 HB_AAT_LAYOUT_FEATURE_SELECTOR_CANONICAL_COMPOSITION_OFF = 1,
311 HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_ON = 2,
312 HB_AAT_LAYOUT_FEATURE_SELECTOR_COMPATIBILITY_COMPOSITION_OFF = 3,
313 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_ON = 4,
314 HB_AAT_LAYOUT_FEATURE_SELECTOR_TRANSCODING_COMPOSITION_OFF = 5,
315
316 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA */
317 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_RUBY_KANA = 0, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF instead */
318 HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA = 1, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON instead */
319 HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON = 2,
320 HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF = 3,
321
322 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_SYMBOL_ALTERNATIVES_TYPE */
323 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_SYMBOL_ALTERNATIVES = 0,
324 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_ONE = 1,
325 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_TWO = 2,
326 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_THREE = 3,
327 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FOUR = 4,
328 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_SYMBOL_ALT_FIVE = 5,
329
330 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_IDEOGRAPHIC_ALTERNATIVES_TYPE */
331 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_IDEOGRAPHIC_ALTERNATIVES = 0,
332 HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_ONE = 1,
333 HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_TWO = 2,
334 HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_THREE = 3,
335 HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FOUR = 4,
336 HB_AAT_LAYOUT_FEATURE_SELECTOR_IDEOGRAPHIC_ALT_FIVE = 5,
337
338 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_VERTICAL_ROMAN_PLACEMENT_TYPE */
339 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_CENTERED = 0,
340 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_VERTICAL_ROMAN_HBASELINE = 1,
341
342 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ITALIC_CJK_ROMAN */
343 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_CJK_ITALIC_ROMAN = 0, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF instead */
344 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN = 1, /* deprecated - use HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON instead */
345 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_ON = 2,
346 HB_AAT_LAYOUT_FEATURE_SELECTOR_CJK_ITALIC_ROMAN_OFF = 3,
347
348 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CASE_SENSITIVE_LAYOUT */
349 HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_ON = 0,
350 HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_LAYOUT_OFF = 1,
351 HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_ON = 2,
352 HB_AAT_LAYOUT_FEATURE_SELECTOR_CASE_SENSITIVE_SPACING_OFF = 3,
353
354 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_ALTERNATE_KANA */
355 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_ON = 0,
356 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_HORIZ_KANA_OFF = 1,
357 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_ON = 2,
358 HB_AAT_LAYOUT_FEATURE_SELECTOR_ALTERNATE_VERT_KANA_OFF = 3,
359
360 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_STYLISTIC_ALTERNATIVES */
361 HB_AAT_LAYOUT_FEATURE_SELECTOR_NO_STYLISTIC_ALTERNATES = 0,
362 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_ON = 2,
363 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ONE_OFF = 3,
364 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_ON = 4,
365 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWO_OFF = 5,
366 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_ON = 6,
367 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THREE_OFF = 7,
368 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_ON = 8,
369 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOUR_OFF = 9,
370 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_ON = 10,
371 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIVE_OFF = 11,
372 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_ON = 12,
373 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIX_OFF = 13,
374 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_ON = 14,
375 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVEN_OFF = 15,
376 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_ON = 16,
377 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHT_OFF = 17,
378 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_ON = 18,
379 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINE_OFF = 19,
380 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_ON = 20,
381 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TEN_OFF = 21,
382 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_ON = 22,
383 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_ELEVEN_OFF = 23,
384 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_ON = 24,
385 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWELVE_OFF = 25,
386 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_ON = 26,
387 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_THIRTEEN_OFF = 27,
388 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_ON = 28,
389 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FOURTEEN_OFF = 29,
390 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_ON = 30,
391 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_FIFTEEN_OFF = 31,
392 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_ON = 32,
393 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SIXTEEN_OFF = 33,
394 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_ON = 34,
395 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_SEVENTEEN_OFF = 35,
396 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_ON = 36,
397 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_EIGHTEEN_OFF = 37,
398 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_ON = 38,
399 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_NINETEEN_OFF = 39,
400 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_ON = 40,
401 HB_AAT_LAYOUT_FEATURE_SELECTOR_STYLISTIC_ALT_TWENTY_OFF = 41,
402
403 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CONTEXTUAL_ALTERNATIVES */
404 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_ON = 0,
405 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_ALTERNATES_OFF = 1,
406 HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_ON = 2,
407 HB_AAT_LAYOUT_FEATURE_SELECTOR_SWASH_ALTERNATES_OFF = 3,
408 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_ON = 4,
409 HB_AAT_LAYOUT_FEATURE_SELECTOR_CONTEXTUAL_SWASH_ALTERNATES_OFF= 5,
410
411 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE */
412 HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_LOWER_CASE = 0,
413 HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_SMALL_CAPS = 1,
414 HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_PETITE_CAPS = 2,
415
416 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_UPPER_CASE */
417 HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_UPPER_CASE = 0,
418 HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_SMALL_CAPS = 1,
419 HB_AAT_LAYOUT_FEATURE_SELECTOR_UPPER_CASE_PETITE_CAPS = 2,
420
421 /* Selectors for #HB_AAT_LAYOUT_FEATURE_TYPE_CJK_ROMAN_SPACING_TYPE */
422 HB_AAT_LAYOUT_FEATURE_SELECTOR_HALF_WIDTH_CJK_ROMAN = 0,
423 HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_CJK_ROMAN = 1,
424 HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_CJK_ROMAN = 2,
425 HB_AAT_LAYOUT_FEATURE_SELECTOR_FULL_WIDTH_CJK_ROMAN = 3,
426
427 _HB_AAT_LAYOUT_FEATURE_SELECTOR_MAX_VALUE = HB_TAG_MAX_SIGNED /*< skip >*/
428} hb_aat_layout_feature_selector_t;
429
430HB_EXTERN unsigned int
431hb_aat_layout_get_feature_types (hb_face_t *face,
432 unsigned int start_offset,
433 unsigned int *feature_count, /* IN/OUT. May be NULL. */
434 hb_aat_layout_feature_type_t *features /* OUT. May be NULL. */);
435
436HB_EXTERN hb_ot_name_id_t
437hb_aat_layout_feature_type_get_name_id (hb_face_t *face,
438 hb_aat_layout_feature_type_t feature_type);
439
440typedef struct hb_aat_layout_feature_selector_info_t
441{
442 hb_ot_name_id_t name_id;
443 hb_aat_layout_feature_selector_t enable;
444 hb_aat_layout_feature_selector_t disable;
445 /*< private >*/
446 unsigned int reserved;
447} hb_aat_layout_feature_selector_info_t;
448
449#define HB_AAT_LAYOUT_NO_SELECTOR_INDEX 0xFFFFu
450
451HB_EXTERN unsigned int
452hb_aat_layout_feature_type_get_selector_infos (hb_face_t *face,
453 hb_aat_layout_feature_type_t feature_type,
454 unsigned int start_offset,
455 unsigned int *selector_count, /* IN/OUT. May be NULL. */
456 hb_aat_layout_feature_selector_info_t *selectors, /* OUT. May be NULL. */
457 unsigned int *default_index /* OUT. May be NULL. */);
458
459
460/*
461 * morx/mort
462 */
463
464HB_EXTERN hb_bool_t
465hb_aat_layout_has_substitution (hb_face_t *face);
466
467
468/*
469 * kerx
470 */
471
472HB_EXTERN hb_bool_t
473hb_aat_layout_has_positioning (hb_face_t *face);
474
475
476/*
477 * trak
478 */
479
480HB_EXTERN hb_bool_t
481hb_aat_layout_has_tracking (hb_face_t *face);
482
483
484HB_END_DECLS
485
486#endif /* HB_AAT_LAYOUT_H */
487