docs/html/harfbuzz-hb-ot-layout.html

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  19                   <a href="#harfbuzz-hb-ot-layout.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
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  29 <td valign="top">
  30 <h2><span class="refentrytitle"><a name="harfbuzz-hb-ot-layout.top_of_page"></a>hb-ot-layout</span></h2>
  31 <p>hb-ot-layout — OpenType Layout</p>
  32 </td>
  33 <td class="gallery_image" valign="top" align="right"></td>
  34 </tr></table></div>
  35 <div class="refsect1">
  36 <a name="harfbuzz-hb-ot-layout.functions"></a><h2>Functions</h2>
  37 <div class="informaltable"><table class="informaltable" width="100%" border="0">
  38 <colgroup>
  39 <col width="150px" class="functions_return">
  40 <col class="functions_name">
  41 </colgroup>
  42 <tbody>
  43 <tr>
  44 <td class="function_type">
  45 <a class="link" href="harfbuzz-hb-common.html#hb-language-t" title="hb_language_t"><span class="returnvalue">hb_language_t</span></a>
  46 </td>
  47 <td class="function_name">
  48 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-tag-to-language" title="hb_ot_tag_to_language ()">hb_ot_tag_to_language</a> <span class="c_punctuation">()</span>
  49 </td>
  50 </tr>
  51 <tr>
  52 <td class="function_type">
  53 <a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="returnvalue">hb_script_t</span></a>
  54 </td>
  55 <td class="function_name">
  56 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-tag-to-script" title="hb_ot_tag_to_script ()">hb_ot_tag_to_script</a> <span class="c_punctuation">()</span>
  57 </td>
  58 </tr>
  59 <tr>
  60 <td class="function_type">
  61 <span class="returnvalue">void</span>
  62 </td>
  63 <td class="function_name">
  64 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-tags-from-script-and-language" title="hb_ot_tags_from_script_and_language ()">hb_ot_tags_from_script_and_language</a> <span class="c_punctuation">()</span>
  65 </td>
  66 </tr>
  67 <tr>
  68 <td class="function_type">
  69 <span class="returnvalue">void</span>
  70 </td>
  71 <td class="function_name">
  72 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-tags-to-script-and-language" title="hb_ot_tags_to_script_and_language ()">hb_ot_tags_to_script_and_language</a> <span class="c_punctuation">()</span>
  73 </td>
  74 </tr>
  75 <tr>
  76 <td class="function_type">
  77 <span class="returnvalue">void</span>
  78 </td>
  79 <td class="function_name">
  80 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-collect-lookups" title="hb_ot_layout_collect_lookups ()">hb_ot_layout_collect_lookups</a> <span class="c_punctuation">()</span>
  81 </td>
  82 </tr>
  83 <tr>
  84 <td class="function_type">
  85 <span class="returnvalue">void</span>
  86 </td>
  87 <td class="function_name">
  88 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-collect-features" title="hb_ot_layout_collect_features ()">hb_ot_layout_collect_features</a> <span class="c_punctuation">()</span>
  89 </td>
  90 </tr>
  91 <tr>
  92 <td class="function_type">unsigned <span class="returnvalue">int</span>
  93 </td>
  94 <td class="function_name">
  95 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-feature-get-characters" title="hb_ot_layout_feature_get_characters ()">hb_ot_layout_feature_get_characters</a> <span class="c_punctuation">()</span>
  96 </td>
  97 </tr>
  98 <tr>
  99 <td class="function_type">unsigned <span class="returnvalue">int</span>
 100 </td>
 101 <td class="function_name">
 102 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-feature-get-lookups" title="hb_ot_layout_feature_get_lookups ()">hb_ot_layout_feature_get_lookups</a> <span class="c_punctuation">()</span>
 103 </td>
 104 </tr>
 105 <tr>
 106 <td class="function_type">
 107 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 108 </td>
 109 <td class="function_name">
 110 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-feature-get-name-ids" title="hb_ot_layout_feature_get_name_ids ()">hb_ot_layout_feature_get_name_ids</a> <span class="c_punctuation">()</span>
 111 </td>
 112 </tr>
 113 <tr>
 114 <td class="function_type">unsigned <span class="returnvalue">int</span>
 115 </td>
 116 <td class="function_name">
 117 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-feature-with-variations-get-lookups" title="hb_ot_layout_feature_with_variations_get_lookups ()">hb_ot_layout_feature_with_variations_get_lookups</a> <span class="c_punctuation">()</span>
 118 </td>
 119 </tr>
 120 <tr>
 121 <td class="function_type">unsigned <span class="returnvalue">int</span>
 122 </td>
 123 <td class="function_name">
 124 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-get-attach-points" title="hb_ot_layout_get_attach_points ()">hb_ot_layout_get_attach_points</a> <span class="c_punctuation">()</span>
 125 </td>
 126 </tr>
 127 <tr>
 128 <td class="function_type">
 129 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-glyph-class-t" title="enum hb_ot_layout_glyph_class_t"><span class="returnvalue">hb_ot_layout_glyph_class_t</span></a>
 130 </td>
 131 <td class="function_name">
 132 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-get-glyph-class" title="hb_ot_layout_get_glyph_class ()">hb_ot_layout_get_glyph_class</a> <span class="c_punctuation">()</span>
 133 </td>
 134 </tr>
 135 <tr>
 136 <td class="function_type">
 137 <span class="returnvalue">void</span>
 138 </td>
 139 <td class="function_name">
 140 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-get-glyphs-in-class" title="hb_ot_layout_get_glyphs_in_class ()">hb_ot_layout_get_glyphs_in_class</a> <span class="c_punctuation">()</span>
 141 </td>
 142 </tr>
 143 <tr>
 144 <td class="function_type">unsigned <span class="returnvalue">int</span>
 145 </td>
 146 <td class="function_name">
 147 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-get-ligature-carets" title="hb_ot_layout_get_ligature_carets ()">hb_ot_layout_get_ligature_carets</a> <span class="c_punctuation">()</span>
 148 </td>
 149 </tr>
 150 <tr>
 151 <td class="function_type">
 152 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 153 </td>
 154 <td class="function_name">
 155 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-get-size-params" title="hb_ot_layout_get_size_params ()">hb_ot_layout_get_size_params</a> <span class="c_punctuation">()</span>
 156 </td>
 157 </tr>
 158 <tr>
 159 <td class="function_type">
 160 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 161 </td>
 162 <td class="function_name">
 163 <span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-glyph-sequence-func-t" title="hb_ot_layout_glyph_sequence_func_t ()">*hb_ot_layout_glyph_sequence_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
 164 </td>
 165 </tr>
 166 <tr>
 167 <td class="function_type">
 168 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 169 </td>
 170 <td class="function_name">
 171 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-has-glyph-classes" title="hb_ot_layout_has_glyph_classes ()">hb_ot_layout_has_glyph_classes</a> <span class="c_punctuation">()</span>
 172 </td>
 173 </tr>
 174 <tr>
 175 <td class="function_type">
 176 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 177 </td>
 178 <td class="function_name">
 179 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-has-positioning" title="hb_ot_layout_has_positioning ()">hb_ot_layout_has_positioning</a> <span class="c_punctuation">()</span>
 180 </td>
 181 </tr>
 182 <tr>
 183 <td class="function_type">
 184 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 185 </td>
 186 <td class="function_name">
 187 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-has-substitution" title="hb_ot_layout_has_substitution ()">hb_ot_layout_has_substitution</a> <span class="c_punctuation">()</span>
 188 </td>
 189 </tr>
 190 <tr>
 191 <td class="function_type">
 192 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 193 </td>
 194 <td class="function_name">
 195 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-language-find-feature" title="hb_ot_layout_language_find_feature ()">hb_ot_layout_language_find_feature</a> <span class="c_punctuation">()</span>
 196 </td>
 197 </tr>
 198 <tr>
 199 <td class="function_type">unsigned <span class="returnvalue">int</span>
 200 </td>
 201 <td class="function_name">
 202 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-language-get-feature-indexes" title="hb_ot_layout_language_get_feature_indexes ()">hb_ot_layout_language_get_feature_indexes</a> <span class="c_punctuation">()</span>
 203 </td>
 204 </tr>
 205 <tr>
 206 <td class="function_type">unsigned <span class="returnvalue">int</span>
 207 </td>
 208 <td class="function_name">
 209 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-language-get-feature-tags" title="hb_ot_layout_language_get_feature_tags ()">hb_ot_layout_language_get_feature_tags</a> <span class="c_punctuation">()</span>
 210 </td>
 211 </tr>
 212 <tr>
 213 <td class="function_type">
 214 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 215 </td>
 216 <td class="function_name">
 217 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-language-get-required-feature" title="hb_ot_layout_language_get_required_feature ()">hb_ot_layout_language_get_required_feature</a> <span class="c_punctuation">()</span>
 218 </td>
 219 </tr>
 220 <tr>
 221 <td class="function_type">
 222 <span class="returnvalue">void</span>
 223 </td>
 224 <td class="function_name">
 225 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-lookup-collect-glyphs" title="hb_ot_layout_lookup_collect_glyphs ()">hb_ot_layout_lookup_collect_glyphs</a> <span class="c_punctuation">()</span>
 226 </td>
 227 </tr>
 228 <tr>
 229 <td class="function_type">
 230 <span class="returnvalue">void</span>
 231 </td>
 232 <td class="function_name">
 233 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-lookup-substitute-closure" title="hb_ot_layout_lookup_substitute_closure ()">hb_ot_layout_lookup_substitute_closure</a> <span class="c_punctuation">()</span>
 234 </td>
 235 </tr>
 236 <tr>
 237 <td class="function_type">
 238 <span class="returnvalue">void</span>
 239 </td>
 240 <td class="function_name">
 241 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-lookups-substitute-closure" title="hb_ot_layout_lookups_substitute_closure ()">hb_ot_layout_lookups_substitute_closure</a> <span class="c_punctuation">()</span>
 242 </td>
 243 </tr>
 244 <tr>
 245 <td class="function_type">
 246 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 247 </td>
 248 <td class="function_name">
 249 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-lookup-would-substitute" title="hb_ot_layout_lookup_would_substitute ()">hb_ot_layout_lookup_would_substitute</a> <span class="c_punctuation">()</span>
 250 </td>
 251 </tr>
 252 <tr>
 253 <td class="function_type">unsigned <span class="returnvalue">int</span>
 254 </td>
 255 <td class="function_name">
 256 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-script-get-language-tags" title="hb_ot_layout_script_get_language_tags ()">hb_ot_layout_script_get_language_tags</a> <span class="c_punctuation">()</span>
 257 </td>
 258 </tr>
 259 <tr>
 260 <td class="function_type">
 261 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 262 </td>
 263 <td class="function_name">
 264 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-script-select-language" title="hb_ot_layout_script_select_language ()">hb_ot_layout_script_select_language</a> <span class="c_punctuation">()</span>
 265 </td>
 266 </tr>
 267 <tr>
 268 <td class="function_type">
 269 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 270 </td>
 271 <td class="function_name">
 272 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-table-find-feature-variations" title="hb_ot_layout_table_find_feature_variations ()">hb_ot_layout_table_find_feature_variations</a> <span class="c_punctuation">()</span>
 273 </td>
 274 </tr>
 275 <tr>
 276 <td class="function_type">unsigned <span class="returnvalue">int</span>
 277 </td>
 278 <td class="function_name">
 279 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-table-get-feature-tags" title="hb_ot_layout_table_get_feature_tags ()">hb_ot_layout_table_get_feature_tags</a> <span class="c_punctuation">()</span>
 280 </td>
 281 </tr>
 282 <tr>
 283 <td class="function_type">unsigned <span class="returnvalue">int</span>
 284 </td>
 285 <td class="function_name">
 286 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-table-get-script-tags" title="hb_ot_layout_table_get_script_tags ()">hb_ot_layout_table_get_script_tags</a> <span class="c_punctuation">()</span>
 287 </td>
 288 </tr>
 289 <tr>
 290 <td class="function_type">unsigned <span class="returnvalue">int</span>
 291 </td>
 292 <td class="function_name">
 293 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-table-get-lookup-count" title="hb_ot_layout_table_get_lookup_count ()">hb_ot_layout_table_get_lookup_count</a> <span class="c_punctuation">()</span>
 294 </td>
 295 </tr>
 296 <tr>
 297 <td class="function_type">
 298 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 299 </td>
 300 <td class="function_name">
 301 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-table-select-script" title="hb_ot_layout_table_select_script ()">hb_ot_layout_table_select_script</a> <span class="c_punctuation">()</span>
 302 </td>
 303 </tr>
 304 <tr>
 305 <td class="function_type">
 306 <span class="returnvalue">void</span>
 307 </td>
 308 <td class="function_name">
 309 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-shape-plan-collect-lookups" title="hb_ot_shape_plan_collect_lookups ()">hb_ot_shape_plan_collect_lookups</a> <span class="c_punctuation">()</span>
 310 </td>
 311 </tr>
 312 <tr>
 313 <td class="function_type">
 314 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 315 </td>
 316 <td class="function_name">
 317 <a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-language-get-required-feature-index" title="hb_ot_layout_language_get_required_feature_index ()">hb_ot_layout_language_get_required_feature_index</a> <span class="c_punctuation">()</span>
 318 </td>
 319 </tr>
 320 </tbody>
 321 </table></div>
 322 </div>
 323 <div class="refsect1">
 324 <a name="harfbuzz-hb-ot-layout.other"></a><h2>Types and Values</h2>
 325 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 326 <colgroup>
 327 <col width="150px" class="name">
 328 <col class="description">
 329 </colgroup>
 330 <tbody>
 331 <tr>
 332 <td class="define_keyword">#define</td>
 333 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-MAX-TAGS-PER-LANGUAGE:CAPS" title="HB_OT_MAX_TAGS_PER_LANGUAGE">HB_OT_MAX_TAGS_PER_LANGUAGE</a></td>
 334 </tr>
 335 <tr>
 336 <td class="define_keyword">#define</td>
 337 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-MAX-TAGS-PER-SCRIPT:CAPS" title="HB_OT_MAX_TAGS_PER_SCRIPT">HB_OT_MAX_TAGS_PER_SCRIPT</a></td>
 338 </tr>
 339 <tr>
 340 <td class="define_keyword">#define</td>
 341 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-TAG-DEFAULT-LANGUAGE:CAPS" title="HB_OT_TAG_DEFAULT_LANGUAGE">HB_OT_TAG_DEFAULT_LANGUAGE</a></td>
 342 </tr>
 343 <tr>
 344 <td class="define_keyword">#define</td>
 345 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-TAG-DEFAULT-SCRIPT:CAPS" title="HB_OT_TAG_DEFAULT_SCRIPT">HB_OT_TAG_DEFAULT_SCRIPT</a></td>
 346 </tr>
 347 <tr>
 348 <td class="define_keyword">#define</td>
 349 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-LAYOUT-DEFAULT-LANGUAGE-INDEX:CAPS" title="HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX">HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX</a></td>
 350 </tr>
 351 <tr>
 352 <td class="define_keyword">#define</td>
 353 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-LAYOUT-NO-FEATURE-INDEX:CAPS" title="HB_OT_LAYOUT_NO_FEATURE_INDEX">HB_OT_LAYOUT_NO_FEATURE_INDEX</a></td>
 354 </tr>
 355 <tr>
 356 <td class="define_keyword">#define</td>
 357 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-LAYOUT-NO-SCRIPT-INDEX:CAPS" title="HB_OT_LAYOUT_NO_SCRIPT_INDEX">HB_OT_LAYOUT_NO_SCRIPT_INDEX</a></td>
 358 </tr>
 359 <tr>
 360 <td class="define_keyword">#define</td>
 361 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-LAYOUT-NO-VARIATIONS-INDEX:CAPS" title="HB_OT_LAYOUT_NO_VARIATIONS_INDEX">HB_OT_LAYOUT_NO_VARIATIONS_INDEX</a></td>
 362 </tr>
 363 <tr>
 364 <td class="define_keyword">#define</td>
 365 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-TAG-BASE:CAPS" title="HB_OT_TAG_BASE">HB_OT_TAG_BASE</a></td>
 366 </tr>
 367 <tr>
 368 <td class="define_keyword">#define</td>
 369 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-TAG-GDEF:CAPS" title="HB_OT_TAG_GDEF">HB_OT_TAG_GDEF</a></td>
 370 </tr>
 371 <tr>
 372 <td class="define_keyword">#define</td>
 373 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-TAG-GPOS:CAPS" title="HB_OT_TAG_GPOS">HB_OT_TAG_GPOS</a></td>
 374 </tr>
 375 <tr>
 376 <td class="define_keyword">#define</td>
 377 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-TAG-GSUB:CAPS" title="HB_OT_TAG_GSUB">HB_OT_TAG_GSUB</a></td>
 378 </tr>
 379 <tr>
 380 <td class="define_keyword">#define</td>
 381 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-TAG-JSTF:CAPS" title="HB_OT_TAG_JSTF">HB_OT_TAG_JSTF</a></td>
 382 </tr>
 383 <tr>
 384 <td class="datatype_keyword">enum</td>
 385 <td class="function_name"><a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-glyph-class-t" title="enum hb_ot_layout_glyph_class_t">hb_ot_layout_glyph_class_t</a></td>
 386 </tr>
 387 </tbody>
 388 </table></div>
 389 </div>
 390 <div class="refsect1">
 391 <a name="harfbuzz-hb-ot-layout.object-hierarchy"></a><h2>Object Hierarchy</h2>
 392 <pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-Enumeration-and-Flag-Types.html">GEnum</a>
 393     <span class="lineart">╰──</span> hb_ot_layout_glyph_class_t
 394 </pre>
 395 </div>
 396 <div class="refsect1">
 397 <a name="harfbuzz-hb-ot-layout.includes"></a><h2>Includes</h2>
 398 <pre class="synopsis">#include &lt;hb-ot.h&gt;
 399 </pre>
 400 </div>
 401 <div class="refsect1">
 402 <a name="harfbuzz-hb-ot-layout.description"></a><h2>Description</h2>
 403 <p>Functions for querying OpenType Layout features in the font face.</p>
 404 </div>
 405 <div class="refsect1">
 406 <a name="harfbuzz-hb-ot-layout.functions_details"></a><h2>Functions</h2>
 407 <div class="refsect2">
 408 <a name="hb-ot-tag-to-language"></a><h3>hb_ot_tag_to_language ()</h3>
 409 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-language-t" title="hb_language_t"><span class="returnvalue">hb_language_t</span></a>
 410 hb_ot_tag_to_language (<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> tag</code></em>);</pre>
 411 <div class="refsect3">
 412 <a name="hb-ot-tag-to-language.returns"></a><h4>Returns</h4>
 413 <p>. </p>
 414 <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
 415 </div>
 416 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 417 </div>
 418 <hr>
 419 <div class="refsect2">
 420 <a name="hb-ot-tag-to-script"></a><h3>hb_ot_tag_to_script ()</h3>
 421 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="returnvalue">hb_script_t</span></a>
 422 hb_ot_tag_to_script (<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> tag</code></em>);</pre>
 423 </div>
 424 <hr>
 425 <div class="refsect2">
 426 <a name="hb-ot-tags-from-script-and-language"></a><h3>hb_ot_tags_from_script_and_language ()</h3>
 427 <pre class="programlisting"><span class="returnvalue">void</span>
 428 hb_ot_tags_from_script_and_language (<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="type">hb_script_t</span></a> script</code></em>,
 429                                      <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-language-t" title="hb_language_t"><span class="type">hb_language_t</span></a> language</code></em>,
 430                                      <em class="parameter"><code>unsigned <span class="type">int</span> *script_count</code></em>,
 431                                      <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *script_tags</code></em>,
 432                                      <em class="parameter"><code>unsigned <span class="type">int</span> *language_count</code></em>,
 433                                      <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *language_tags</code></em>);</pre>
 434 <p>Converts an <a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="type">hb_script_t</span></a> and an <a class="link" href="harfbuzz-hb-common.html#hb-language-t" title="hb_language_t"><span class="type">hb_language_t</span></a> to script and language tags.</p>
 435 <div class="refsect3">
 436 <a name="hb-ot-tags-from-script-and-language.parameters"></a><h4>Parameters</h4>
 437 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 438 <colgroup>
 439 <col width="150px" class="parameters_name">
 440 <col class="parameters_description">
 441 <col width="200px" class="parameters_annotations">
 442 </colgroup>
 443 <tbody>
 444 <tr>
 445 <td class="parameter_name"><p>script</p></td>
 446 <td class="parameter_description"><p>an <a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="type">hb_script_t</span></a> to convert.</p></td>
 447 <td class="parameter_annotations"> </td>
 448 </tr>
 449 <tr>
 450 <td class="parameter_name"><p>language</p></td>
 451 <td class="parameter_description"><p>an <a class="link" href="harfbuzz-hb-common.html#hb-language-t" title="hb_language_t"><span class="type">hb_language_t</span></a> to convert.</p></td>
 452 <td class="parameter_annotations"> </td>
 453 </tr>
 454 <tr>
 455 <td class="parameter_name"><p>script_count</p></td>
 456 <td class="parameter_description"><p> maximum number of script tags to retrieve (IN)
 457 and actual number of script tags retrieved (OUT). </p></td>
 458 <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 459 </tr>
 460 <tr>
 461 <td class="parameter_name"><p>script_tags</p></td>
 462 <td class="parameter_description"><p> array of size at least <em class="parameter"><code>script_count</code></em>
 463 to store the
 464 script tag results. </p></td>
 465 <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 466 </tr>
 467 <tr>
 468 <td class="parameter_name"><p>language_count</p></td>
 469 <td class="parameter_description"><p> maximum number of language tags to retrieve
 470 (IN) and actual number of language tags retrieved (OUT). </p></td>
 471 <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 472 </tr>
 473 <tr>
 474 <td class="parameter_name"><p>language_tags</p></td>
 475 <td class="parameter_description"><p> array of size at least <em class="parameter"><code>language_count</code></em>
 476 to store
 477 the language tag results. </p></td>
 478 <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 479 </tr>
 480 </tbody>
 481 </table></div>
 482 </div>
 483 <p class="since">Since: <a class="link" href="api-index-2-0-0.html#api-index-2.0.0">2.0.0</a></p>
 484 </div>
 485 <hr>
 486 <div class="refsect2">
 487 <a name="hb-ot-tags-to-script-and-language"></a><h3>hb_ot_tags_to_script_and_language ()</h3>
 488 <pre class="programlisting"><span class="returnvalue">void</span>
 489 hb_ot_tags_to_script_and_language (<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> script_tag</code></em>,
 490                                    <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> language_tag</code></em>,
 491                                    <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="type">hb_script_t</span></a> *script</code></em>,
 492                                    <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-language-t" title="hb_language_t"><span class="type">hb_language_t</span></a> *language</code></em>);</pre>
 493 <p>Converts a script tag and a language tag to an <a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="type">hb_script_t</span></a> and an
 494 <a class="link" href="harfbuzz-hb-common.html#hb-language-t" title="hb_language_t"><span class="type">hb_language_t</span></a>.</p>
 495 <div class="refsect3">
 496 <a name="hb-ot-tags-to-script-and-language.parameters"></a><h4>Parameters</h4>
 497 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 498 <colgroup>
 499 <col width="150px" class="parameters_name">
 500 <col class="parameters_description">
 501 <col width="200px" class="parameters_annotations">
 502 </colgroup>
 503 <tbody>
 504 <tr>
 505 <td class="parameter_name"><p>script_tag</p></td>
 506 <td class="parameter_description"><p>a script tag</p></td>
 507 <td class="parameter_annotations"> </td>
 508 </tr>
 509 <tr>
 510 <td class="parameter_name"><p>language_tag</p></td>
 511 <td class="parameter_description"><p>a language tag</p></td>
 512 <td class="parameter_annotations"> </td>
 513 </tr>
 514 <tr>
 515 <td class="parameter_name"><p>script</p></td>
 516 <td class="parameter_description"><p> the <a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="type">hb_script_t</span></a> corresponding to <em class="parameter"><code>script_tag</code></em>
 517 (OUT). </p></td>
 518 <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 519 </tr>
 520 <tr>
 521 <td class="parameter_name"><p>language</p></td>
 522 <td class="parameter_description"><p> the <a class="link" href="harfbuzz-hb-common.html#hb-language-t" title="hb_language_t"><span class="type">hb_language_t</span></a> corresponding to <em class="parameter"><code>script_tag</code></em>
 523 and
 524 <em class="parameter"><code>language_tag</code></em>
 525 (OUT). </p></td>
 526 <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 527 </tr>
 528 </tbody>
 529 </table></div>
 530 </div>
 531 <p class="since">Since: <a class="link" href="api-index-2-0-0.html#api-index-2.0.0">2.0.0</a></p>
 532 </div>
 533 <hr>
 534 <div class="refsect2">
 535 <a name="hb-ot-layout-collect-lookups"></a><h3>hb_ot_layout_collect_lookups ()</h3>
 536 <pre class="programlisting"><span class="returnvalue">void</span>
 537 hb_ot_layout_collect_lookups (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 538                               <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 539                               <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *scripts</code></em>,
 540                               <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *languages</code></em>,
 541                               <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *features</code></em>,
 542                               <em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *lookup_indexes</code></em>);</pre>
 543 <p class="since">Since: <a class="link" href="api-index-0-9-8.html#api-index-0.9.8">0.9.8</a></p>
 544 </div>
 545 <hr>
 546 <div class="refsect2">
 547 <a name="hb-ot-layout-collect-features"></a><h3>hb_ot_layout_collect_features ()</h3>
 548 <pre class="programlisting"><span class="returnvalue">void</span>
 549 hb_ot_layout_collect_features (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 550                                <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 551                                <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *scripts</code></em>,
 552                                <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *languages</code></em>,
 553                                <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *features</code></em>,
 554                                <em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *feature_indexes</code></em>);</pre>
 555 <p class="since">Since: <a class="link" href="api-index-1-8-5.html#api-index-1.8.5">1.8.5</a></p>
 556 </div>
 557 <hr>
 558 <div class="refsect2">
 559 <a name="hb-ot-layout-feature-get-characters"></a><h3>hb_ot_layout_feature_get_characters ()</h3>
 560 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 561 hb_ot_layout_feature_get_characters (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 562                                      <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 563                                      <em class="parameter"><code>unsigned <span class="type">int</span> feature_index</code></em>,
 564                                      <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
 565                                      <em class="parameter"><code>unsigned <span class="type">int</span> *char_count</code></em>,
 566                                      <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> *characters</code></em>);</pre>
 567 <p>Fetches characters listed by designer under feature parameters for "Character
 568 Variant" ("cvXX") features.</p>
 569 <div class="refsect3">
 570 <a name="hb-ot-layout-feature-get-characters.parameters"></a><h4>Parameters</h4>
 571 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 572 <colgroup>
 573 <col width="150px" class="parameters_name">
 574 <col class="parameters_description">
 575 <col width="200px" class="parameters_annotations">
 576 </colgroup>
 577 <tbody>
 578 <tr>
 579 <td class="parameter_name"><p>face</p></td>
 580 <td class="parameter_description"><p><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> to work upon</p></td>
 581 <td class="parameter_annotations"> </td>
 582 </tr>
 583 <tr>
 584 <td class="parameter_name"><p>table_tag</p></td>
 585 <td class="parameter_description"><p>table tag to query, "GSUB" or "GPOS".</p></td>
 586 <td class="parameter_annotations"> </td>
 587 </tr>
 588 <tr>
 589 <td class="parameter_name"><p>feature_index</p></td>
 590 <td class="parameter_description"><p>index of feature to query.</p></td>
 591 <td class="parameter_annotations"> </td>
 592 </tr>
 593 <tr>
 594 <td class="parameter_name"><p>start_offset</p></td>
 595 <td class="parameter_description"><p>In case the resulting char_count was equal to its input value, there
 596 is a chance there were more characters on the tag so this API can be
 597 called with an offset till resulting char_count gets to a number
 598 lower than input buffer (or consider using just a bigger buffer for
 599 one shot copying).</p></td>
 600 <td class="parameter_annotations"> </td>
 601 </tr>
 602 <tr>
 603 <td class="parameter_name"><p>char_count</p></td>
 604 <td class="parameter_description"><p> The count of characters for which this feature
 605 provides glyph variants. (May be zero.). </p></td>
 606 <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input and for returning results. Default is transfer full."><span class="acronym">inout</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 607 </tr>
 608 <tr>
 609 <td class="parameter_name"><p>characters</p></td>
 610 <td class="parameter_description"><p> A buffer pointer. The Unicode codepoints
 611 of the characters for which this feature provides glyph variants. </p></td>
 612 <td class="parameter_annotations"><span class="annotation">[<acronym title="Out parameter, where caller must allocate storage."><span class="acronym">out caller-allocates</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=char_count]</span></td>
 613 </tr>
 614 </tbody>
 615 </table></div>
 616 </div>
 617 <div class="refsect3">
 618 <a name="hb-ot-layout-feature-get-characters.returns"></a><h4>Returns</h4>
 619 <p> Number of total sample characters in the cvXX feature.</p>
 620 </div>
 621 <p class="since">Since: <a class="link" href="api-index-2-0-0.html#api-index-2.0.0">2.0.0</a></p>
 622 </div>
 623 <hr>
 624 <div class="refsect2">
 625 <a name="hb-ot-layout-feature-get-lookups"></a><h3>hb_ot_layout_feature_get_lookups ()</h3>
 626 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 627 hb_ot_layout_feature_get_lookups (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 628                                   <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 629                                   <em class="parameter"><code>unsigned <span class="type">int</span> feature_index</code></em>,
 630                                   <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
 631                                   <em class="parameter"><code>unsigned <span class="type">int</span> *lookup_count</code></em>,
 632                                   <em class="parameter"><code>unsigned <span class="type">int</span> *lookup_indexes</code></em>);</pre>
 633 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 634 </div>
 635 <hr>
 636 <div class="refsect2">
 637 <a name="hb-ot-layout-feature-get-name-ids"></a><h3>hb_ot_layout_feature_get_name_ids ()</h3>
 638 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 639 hb_ot_layout_feature_get_name_ids (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 640                                    <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 641                                    <em class="parameter"><code>unsigned <span class="type">int</span> feature_index</code></em>,
 642                                    <em class="parameter"><code><a class="link" href="harfbuzz-hb-ot-name.html#hb-ot-name-id-t" title="hb_ot_name_id_t"><span class="type">hb_ot_name_id_t</span></a> *label_id</code></em>,
 643                                    <em class="parameter"><code><a class="link" href="harfbuzz-hb-ot-name.html#hb-ot-name-id-t" title="hb_ot_name_id_t"><span class="type">hb_ot_name_id_t</span></a> *tooltip_id</code></em>,
 644                                    <em class="parameter"><code><a class="link" href="harfbuzz-hb-ot-name.html#hb-ot-name-id-t" title="hb_ot_name_id_t"><span class="type">hb_ot_name_id_t</span></a> *sample_id</code></em>,
 645                                    <em class="parameter"><code>unsigned <span class="type">int</span> *num_named_parameters</code></em>,
 646                                    <em class="parameter"><code><a class="link" href="harfbuzz-hb-ot-name.html#hb-ot-name-id-t" title="hb_ot_name_id_t"><span class="type">hb_ot_name_id_t</span></a> *first_param_id</code></em>);</pre>
 647 <p>Fetches name indices from feature parameters for "Stylistic Set" ('ssXX') or
 648 "Character Variant" ('cvXX') features.</p>
 649 <div class="refsect3">
 650 <a name="hb-ot-layout-feature-get-name-ids.parameters"></a><h4>Parameters</h4>
 651 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 652 <colgroup>
 653 <col width="150px" class="parameters_name">
 654 <col class="parameters_description">
 655 <col width="200px" class="parameters_annotations">
 656 </colgroup>
 657 <tbody>
 658 <tr>
 659 <td class="parameter_name"><p>face</p></td>
 660 <td class="parameter_description"><p><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> to work upon</p></td>
 661 <td class="parameter_annotations"> </td>
 662 </tr>
 663 <tr>
 664 <td class="parameter_name"><p>table_tag</p></td>
 665 <td class="parameter_description"><p>table tag to query, "GSUB" or "GPOS".</p></td>
 666 <td class="parameter_annotations"> </td>
 667 </tr>
 668 <tr>
 669 <td class="parameter_name"><p>feature_index</p></td>
 670 <td class="parameter_description"><p>index of feature to query.</p></td>
 671 <td class="parameter_annotations"> </td>
 672 </tr>
 673 <tr>
 674 <td class="parameter_name"><p>label_id</p></td>
 675 <td class="parameter_description"><p> The ‘name’ table name ID that specifies a string
 676 for a user-interface label for this feature. (May be NULL.). </p></td>
 677 <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 678 </tr>
 679 <tr>
 680 <td class="parameter_name"><p>tooltip_id</p></td>
 681 <td class="parameter_description"><p> The ‘name’ table name ID that specifies a string
 682 that an application can use for tooltip text for this
 683 feature. (May be NULL.). </p></td>
 684 <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 685 </tr>
 686 <tr>
 687 <td class="parameter_name"><p>sample_id</p></td>
 688 <td class="parameter_description"><p> The ‘name’ table name ID that specifies sample text
 689 that illustrates the effect of this feature. (May be NULL.). </p></td>
 690 <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 691 </tr>
 692 <tr>
 693 <td class="parameter_name"><p>num_named_parameters</p></td>
 694 <td class="parameter_description"><p>  Number of named parameters. (May be zero.). </p></td>
 695 <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 696 </tr>
 697 <tr>
 698 <td class="parameter_name"><p>first_param_id</p></td>
 699 <td class="parameter_description"><p> The first ‘name’ table name ID used to specify
 700 strings for user-interface labels for the feature
 701 parameters. (Must be zero if numParameters is zero.). </p></td>
 702 <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
 703 </tr>
 704 </tbody>
 705 </table></div>
 706 </div>
 707 <div class="refsect3">
 708 <a name="hb-ot-layout-feature-get-name-ids.returns"></a><h4>Returns</h4>
 709 <p> true if data found, false otherwise</p>
 710 </div>
 711 <p class="since">Since: <a class="link" href="api-index-2-0-0.html#api-index-2.0.0">2.0.0</a></p>
 712 </div>
 713 <hr>
 714 <div class="refsect2">
 715 <a name="hb-ot-layout-feature-with-variations-get-lookups"></a><h3>hb_ot_layout_feature_with_variations_get_lookups ()</h3>
 716 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 717 hb_ot_layout_feature_with_variations_get_lookups
 718                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 719                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 720                                 <em class="parameter"><code>unsigned <span class="type">int</span> feature_index</code></em>,
 721                                 <em class="parameter"><code>unsigned <span class="type">int</span> variations_index</code></em>,
 722                                 <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
 723                                 <em class="parameter"><code>unsigned <span class="type">int</span> *lookup_count</code></em>,
 724                                 <em class="parameter"><code>unsigned <span class="type">int</span> *lookup_indexes</code></em>);</pre>
 725 </div>
 726 <hr>
 727 <div class="refsect2">
 728 <a name="hb-ot-layout-get-attach-points"></a><h3>hb_ot_layout_get_attach_points ()</h3>
 729 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 730 hb_ot_layout_get_attach_points (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 731                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> glyph</code></em>,
 732                                 <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
 733                                 <em class="parameter"><code>unsigned <span class="type">int</span> *point_count</code></em>,
 734                                 <em class="parameter"><code>unsigned <span class="type">int</span> *point_array</code></em>);</pre>
 735 </div>
 736 <hr>
 737 <div class="refsect2">
 738 <a name="hb-ot-layout-get-glyph-class"></a><h3>hb_ot_layout_get_glyph_class ()</h3>
 739 <pre class="programlisting"><a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-glyph-class-t" title="enum hb_ot_layout_glyph_class_t"><span class="returnvalue">hb_ot_layout_glyph_class_t</span></a>
 740 hb_ot_layout_get_glyph_class (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 741                               <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> glyph</code></em>);</pre>
 742 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 743 </div>
 744 <hr>
 745 <div class="refsect2">
 746 <a name="hb-ot-layout-get-glyphs-in-class"></a><h3>hb_ot_layout_get_glyphs_in_class ()</h3>
 747 <pre class="programlisting"><span class="returnvalue">void</span>
 748 hb_ot_layout_get_glyphs_in_class (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 749                                   <em class="parameter"><code><a class="link" href="harfbuzz-hb-ot-layout.html#hb-ot-layout-glyph-class-t" title="enum hb_ot_layout_glyph_class_t"><span class="type">hb_ot_layout_glyph_class_t</span></a> klass</code></em>,
 750                                   <em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *glyphs</code></em>);</pre>
 751 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 752 </div>
 753 <hr>
 754 <div class="refsect2">
 755 <a name="hb-ot-layout-get-ligature-carets"></a><h3>hb_ot_layout_get_ligature_carets ()</h3>
 756 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 757 hb_ot_layout_get_ligature_carets (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> *font</code></em>,
 758                                   <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-direction-t" title="enum hb_direction_t"><span class="type">hb_direction_t</span></a> direction</code></em>,
 759                                   <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> glyph</code></em>,
 760                                   <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
 761                                   <em class="parameter"><code>unsigned <span class="type">int</span> *caret_count</code></em>,
 762                                   <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-position-t" title="hb_position_t"><span class="type">hb_position_t</span></a> *caret_array</code></em>);</pre>
 763 </div>
 764 <hr>
 765 <div class="refsect2">
 766 <a name="hb-ot-layout-get-size-params"></a><h3>hb_ot_layout_get_size_params ()</h3>
 767 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 768 hb_ot_layout_get_size_params (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 769                               <em class="parameter"><code>unsigned <span class="type">int</span> *design_size</code></em>,
 770                               <em class="parameter"><code>unsigned <span class="type">int</span> *subfamily_id</code></em>,
 771                               <em class="parameter"><code><a class="link" href="harfbuzz-hb-ot-name.html#hb-ot-name-id-t" title="hb_ot_name_id_t"><span class="type">hb_ot_name_id_t</span></a> *subfamily_name_id</code></em>,
 772                               <em class="parameter"><code>unsigned <span class="type">int</span> *range_start</code></em>,
 773                               <em class="parameter"><code>unsigned <span class="type">int</span> *range_end</code></em>);</pre>
 774 <p class="since">Since: <a class="link" href="api-index-0-9-10.html#api-index-0.9.10">0.9.10</a></p>
 775 </div>
 776 <hr>
 777 <div class="refsect2">
 778 <a name="hb-ot-layout-glyph-sequence-func-t"></a><h3>hb_ot_layout_glyph_sequence_func_t ()</h3>
 779 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 780 <span class="c_punctuation">(</span>*hb_ot_layout_glyph_sequence_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t"><span class="type">hb_font_t</span></a> *font</code></em>,
 781                                        <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 782                                        <em class="parameter"><code>unsigned <span class="type">int</span> lookup_index</code></em>,
 783                                        <em class="parameter"><code>const <span class="type">hb_ot_layout_glyph_sequence_t</span> *sequence</code></em>,
 784                                        <em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre>
 785 </div>
 786 <hr>
 787 <div class="refsect2">
 788 <a name="hb-ot-layout-has-glyph-classes"></a><h3>hb_ot_layout_has_glyph_classes ()</h3>
 789 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 790 hb_ot_layout_has_glyph_classes (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>);</pre>
 791 </div>
 792 <hr>
 793 <div class="refsect2">
 794 <a name="hb-ot-layout-has-positioning"></a><h3>hb_ot_layout_has_positioning ()</h3>
 795 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 796 hb_ot_layout_has_positioning (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>);</pre>
 797 </div>
 798 <hr>
 799 <div class="refsect2">
 800 <a name="hb-ot-layout-has-substitution"></a><h3>hb_ot_layout_has_substitution ()</h3>
 801 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 802 hb_ot_layout_has_substitution (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>);</pre>
 803 </div>
 804 <hr>
 805 <div class="refsect2">
 806 <a name="hb-ot-layout-language-find-feature"></a><h3>hb_ot_layout_language_find_feature ()</h3>
 807 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 808 hb_ot_layout_language_find_feature (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 809                                     <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 810                                     <em class="parameter"><code>unsigned <span class="type">int</span> script_index</code></em>,
 811                                     <em class="parameter"><code>unsigned <span class="type">int</span> language_index</code></em>,
 812                                     <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> feature_tag</code></em>,
 813                                     <em class="parameter"><code>unsigned <span class="type">int</span> *feature_index</code></em>);</pre>
 814 </div>
 815 <hr>
 816 <div class="refsect2">
 817 <a name="hb-ot-layout-language-get-feature-indexes"></a><h3>hb_ot_layout_language_get_feature_indexes ()</h3>
 818 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 819 hb_ot_layout_language_get_feature_indexes
 820                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 821                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 822                                 <em class="parameter"><code>unsigned <span class="type">int</span> script_index</code></em>,
 823                                 <em class="parameter"><code>unsigned <span class="type">int</span> language_index</code></em>,
 824                                 <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
 825                                 <em class="parameter"><code>unsigned <span class="type">int</span> *feature_count</code></em>,
 826                                 <em class="parameter"><code>unsigned <span class="type">int</span> *feature_indexes</code></em>);</pre>
 827 </div>
 828 <hr>
 829 <div class="refsect2">
 830 <a name="hb-ot-layout-language-get-feature-tags"></a><h3>hb_ot_layout_language_get_feature_tags ()</h3>
 831 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 832 hb_ot_layout_language_get_feature_tags
 833                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 834                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 835                                 <em class="parameter"><code>unsigned <span class="type">int</span> script_index</code></em>,
 836                                 <em class="parameter"><code>unsigned <span class="type">int</span> language_index</code></em>,
 837                                 <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
 838                                 <em class="parameter"><code>unsigned <span class="type">int</span> *feature_count</code></em>,
 839                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *feature_tags</code></em>);</pre>
 840 </div>
 841 <hr>
 842 <div class="refsect2">
 843 <a name="hb-ot-layout-language-get-required-feature"></a><h3>hb_ot_layout_language_get_required_feature ()</h3>
 844 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 845 hb_ot_layout_language_get_required_feature
 846                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 847                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 848                                 <em class="parameter"><code>unsigned <span class="type">int</span> script_index</code></em>,
 849                                 <em class="parameter"><code>unsigned <span class="type">int</span> language_index</code></em>,
 850                                 <em class="parameter"><code>unsigned <span class="type">int</span> *feature_index</code></em>,
 851                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *feature_tag</code></em>);</pre>
 852 <p class="since">Since: <a class="link" href="api-index-0-9-30.html#api-index-0.9.30">0.9.30</a></p>
 853 </div>
 854 <hr>
 855 <div class="refsect2">
 856 <a name="hb-ot-layout-lookup-collect-glyphs"></a><h3>hb_ot_layout_lookup_collect_glyphs ()</h3>
 857 <pre class="programlisting"><span class="returnvalue">void</span>
 858 hb_ot_layout_lookup_collect_glyphs (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 859                                     <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 860                                     <em class="parameter"><code>unsigned <span class="type">int</span> lookup_index</code></em>,
 861                                     <em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *glyphs_before</code></em>,
 862                                     <em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *glyphs_input</code></em>,
 863                                     <em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *glyphs_after</code></em>,
 864                                     <em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *glyphs_output</code></em>);</pre>
 865 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 866 </div>
 867 <hr>
 868 <div class="refsect2">
 869 <a name="hb-ot-layout-lookup-substitute-closure"></a><h3>hb_ot_layout_lookup_substitute_closure ()</h3>
 870 <pre class="programlisting"><span class="returnvalue">void</span>
 871 hb_ot_layout_lookup_substitute_closure
 872                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 873                                 <em class="parameter"><code>unsigned <span class="type">int</span> lookup_index</code></em>,
 874                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *glyphs</code></em>);</pre>
 875 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 876 </div>
 877 <hr>
 878 <div class="refsect2">
 879 <a name="hb-ot-layout-lookups-substitute-closure"></a><h3>hb_ot_layout_lookups_substitute_closure ()</h3>
 880 <pre class="programlisting"><span class="returnvalue">void</span>
 881 hb_ot_layout_lookups_substitute_closure
 882                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 883                                 <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *lookups</code></em>,
 884                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *glyphs</code></em>);</pre>
 885 <p>Compute the transitive closure of glyphs needed for all of the
 886 provided lookups.</p>
 887 <p class="since">Since: <a class="link" href="api-index-1-8-1.html#api-index-1.8.1">1.8.1</a></p>
 888 </div>
 889 <hr>
 890 <div class="refsect2">
 891 <a name="hb-ot-layout-lookup-would-substitute"></a><h3>hb_ot_layout_lookup_would_substitute ()</h3>
 892 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 893 hb_ot_layout_lookup_would_substitute (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 894                                       <em class="parameter"><code>unsigned <span class="type">int</span> lookup_index</code></em>,
 895                                       <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> *glyphs</code></em>,
 896                                       <em class="parameter"><code>unsigned <span class="type">int</span> glyphs_length</code></em>,
 897                                       <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="type">hb_bool_t</span></a> zero_context</code></em>);</pre>
 898 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 899 </div>
 900 <hr>
 901 <div class="refsect2">
 902 <a name="hb-ot-layout-script-get-language-tags"></a><h3>hb_ot_layout_script_get_language_tags ()</h3>
 903 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 904 hb_ot_layout_script_get_language_tags (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 905                                        <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 906                                        <em class="parameter"><code>unsigned <span class="type">int</span> script_index</code></em>,
 907                                        <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
 908                                        <em class="parameter"><code>unsigned <span class="type">int</span> *language_count</code></em>,
 909                                        <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *language_tags</code></em>);</pre>
 910 </div>
 911 <hr>
 912 <div class="refsect2">
 913 <a name="hb-ot-layout-script-select-language"></a><h3>hb_ot_layout_script_select_language ()</h3>
 914 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 915 hb_ot_layout_script_select_language (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 916                                      <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 917                                      <em class="parameter"><code>unsigned <span class="type">int</span> script_index</code></em>,
 918                                      <em class="parameter"><code>unsigned <span class="type">int</span> language_count</code></em>,
 919                                      <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *language_tags</code></em>,
 920                                      <em class="parameter"><code>unsigned <span class="type">int</span> *language_index</code></em>);</pre>
 921 <p class="since">Since: <a class="link" href="api-index-2-0-0.html#api-index-2.0.0">2.0.0</a></p>
 922 </div>
 923 <hr>
 924 <div class="refsect2">
 925 <a name="hb-ot-layout-table-find-feature-variations"></a><h3>hb_ot_layout_table_find_feature_variations ()</h3>
 926 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 927 hb_ot_layout_table_find_feature_variations
 928                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 929                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 930                                 <em class="parameter"><code>const <span class="type">int</span> *coords</code></em>,
 931                                 <em class="parameter"><code>unsigned <span class="type">int</span> num_coords</code></em>,
 932                                 <em class="parameter"><code>unsigned <span class="type">int</span> *variations_index</code></em>);</pre>
 933 </div>
 934 <hr>
 935 <div class="refsect2">
 936 <a name="hb-ot-layout-table-get-feature-tags"></a><h3>hb_ot_layout_table_get_feature_tags ()</h3>
 937 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 938 hb_ot_layout_table_get_feature_tags (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 939                                      <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 940                                      <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
 941                                      <em class="parameter"><code>unsigned <span class="type">int</span> *feature_count</code></em>,
 942                                      <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *feature_tags</code></em>);</pre>
 943 </div>
 944 <hr>
 945 <div class="refsect2">
 946 <a name="hb-ot-layout-table-get-script-tags"></a><h3>hb_ot_layout_table_get_script_tags ()</h3>
 947 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 948 hb_ot_layout_table_get_script_tags (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 949                                     <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 950                                     <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
 951                                     <em class="parameter"><code>unsigned <span class="type">int</span> *script_count</code></em>,
 952                                     <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *script_tags</code></em>);</pre>
 953 </div>
 954 <hr>
 955 <div class="refsect2">
 956 <a name="hb-ot-layout-table-get-lookup-count"></a><h3>hb_ot_layout_table_get_lookup_count ()</h3>
 957 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 958 hb_ot_layout_table_get_lookup_count (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 959                                      <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>);</pre>
 960 <p class="since">Since: <a class="link" href="api-index-0-9-22.html#api-index-0.9.22">0.9.22</a></p>
 961 </div>
 962 <hr>
 963 <div class="refsect2">
 964 <a name="hb-ot-layout-table-select-script"></a><h3>hb_ot_layout_table_select_script ()</h3>
 965 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 966 hb_ot_layout_table_select_script (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 967                                   <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 968                                   <em class="parameter"><code>unsigned <span class="type">int</span> script_count</code></em>,
 969                                   <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *script_tags</code></em>,
 970                                   <em class="parameter"><code>unsigned <span class="type">int</span> *script_index</code></em>,
 971                                   <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> *chosen_script</code></em>);</pre>
 972 <p class="since">Since: <a class="link" href="api-index-2-0-0.html#api-index-2.0.0">2.0.0</a></p>
 973 </div>
 974 <hr>
 975 <div class="refsect2">
 976 <a name="hb-ot-shape-plan-collect-lookups"></a><h3>hb_ot_shape_plan_collect_lookups ()</h3>
 977 <pre class="programlisting"><span class="returnvalue">void</span>
 978 hb_ot_shape_plan_collect_lookups (<em class="parameter"><code><a class="link" href="harfbuzz-hb-shape-plan.html#hb-shape-plan-t"><span class="type">hb_shape_plan_t</span></a> *shape_plan</code></em>,
 979                                   <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 980                                   <em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t"><span class="type">hb_set_t</span></a> *lookup_indexes</code></em>);</pre>
 981 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 982 </div>
 983 <hr>
 984 <div class="refsect2">
 985 <a name="hb-ot-layout-language-get-required-feature-index"></a><h3>hb_ot_layout_language_get_required_feature_index ()</h3>
 986 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 987 hb_ot_layout_language_get_required_feature_index
 988                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t"><span class="type">hb_face_t</span></a> *face</code></em>,
 989                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 990                                 <em class="parameter"><code>unsigned <span class="type">int</span> script_index</code></em>,
 991                                 <em class="parameter"><code>unsigned <span class="type">int</span> language_index</code></em>,
 992                                 <em class="parameter"><code>unsigned <span class="type">int</span> *feature_index</code></em>);</pre>
 993 </div>
 994 </div>
 995 <div class="refsect1">
 996 <a name="harfbuzz-hb-ot-layout.other_details"></a><h2>Types and Values</h2>
 997 <div class="refsect2">
 998 <a name="HB-OT-MAX-TAGS-PER-LANGUAGE:CAPS"></a><h3>HB_OT_MAX_TAGS_PER_LANGUAGE</h3>
 999 <pre class="programlisting">#define HB_OT_MAX_TAGS_PER_LANGUAGE 3u
1000 </pre>
1001 <p class="since">Since: <a class="link" href="api-index-2-0-0.html#api-index-2.0.0">2.0.0</a></p>
1002 </div>
1003 <hr>
1004 <div class="refsect2">
1005 <a name="HB-OT-MAX-TAGS-PER-SCRIPT:CAPS"></a><h3>HB_OT_MAX_TAGS_PER_SCRIPT</h3>
1006 <pre class="programlisting">#define HB_OT_MAX_TAGS_PER_SCRIPT 3u
1007 </pre>
1008 <p class="since">Since: <a class="link" href="api-index-2-0-0.html#api-index-2.0.0">2.0.0</a></p>
1009 </div>
1010 <hr>
1011 <div class="refsect2">
1012 <a name="HB-OT-TAG-DEFAULT-LANGUAGE:CAPS"></a><h3>HB_OT_TAG_DEFAULT_LANGUAGE</h3>
1013 <pre class="programlisting">#define HB_OT_TAG_DEFAULT_LANGUAGE HB_TAG ('d', 'f', 'l', 't')
1014 </pre>
1015 </div>
1016 <hr>
1017 <div class="refsect2">
1018 <a name="HB-OT-TAG-DEFAULT-SCRIPT:CAPS"></a><h3>HB_OT_TAG_DEFAULT_SCRIPT</h3>
1019 <pre class="programlisting">#define HB_OT_TAG_DEFAULT_SCRIPT HB_TAG ('D', 'F', 'L', 'T')
1020 </pre>
1021 </div>
1022 <hr>
1023 <div class="refsect2">
1024 <a name="HB-OT-LAYOUT-DEFAULT-LANGUAGE-INDEX:CAPS"></a><h3>HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX</h3>
1025 <pre class="programlisting">#define HB_OT_LAYOUT_DEFAULT_LANGUAGE_INDEX 0xFFFFu
1026 </pre>
1027 </div>
1028 <hr>
1029 <div class="refsect2">
1030 <a name="HB-OT-LAYOUT-NO-FEATURE-INDEX:CAPS"></a><h3>HB_OT_LAYOUT_NO_FEATURE_INDEX</h3>
1031 <pre class="programlisting">#define HB_OT_LAYOUT_NO_FEATURE_INDEX               0xFFFFu
1032 </pre>
1033 </div>
1034 <hr>
1035 <div class="refsect2">
1036 <a name="HB-OT-LAYOUT-NO-SCRIPT-INDEX:CAPS"></a><h3>HB_OT_LAYOUT_NO_SCRIPT_INDEX</h3>
1037 <pre class="programlisting">#define HB_OT_LAYOUT_NO_SCRIPT_INDEX                0xFFFFu
1038 </pre>
1039 </div>
1040 <hr>
1041 <div class="refsect2">
1042 <a name="HB-OT-LAYOUT-NO-VARIATIONS-INDEX:CAPS"></a><h3>HB_OT_LAYOUT_NO_VARIATIONS_INDEX</h3>
1043 <pre class="programlisting">#define HB_OT_LAYOUT_NO_VARIATIONS_INDEX 0xFFFFFFFFu
1044 </pre>
1045 </div>
1046 <hr>
1047 <div class="refsect2">
1048 <a name="HB-OT-TAG-BASE:CAPS"></a><h3>HB_OT_TAG_BASE</h3>
1049 <pre class="programlisting">#define HB_OT_TAG_BASE HB_TAG('B','A','S','E')
1050 </pre>
1051 </div>
1052 <hr>
1053 <div class="refsect2">
1054 <a name="HB-OT-TAG-GDEF:CAPS"></a><h3>HB_OT_TAG_GDEF</h3>
1055 <pre class="programlisting">#define HB_OT_TAG_GDEF HB_TAG('G','D','E','F')
1056 </pre>
1057 </div>
1058 <hr>
1059 <div class="refsect2">
1060 <a name="HB-OT-TAG-GPOS:CAPS"></a><h3>HB_OT_TAG_GPOS</h3>
1061 <pre class="programlisting">#define HB_OT_TAG_GPOS HB_TAG('G','P','O','S')
1062 </pre>
1063 </div>
1064 <hr>
1065 <div class="refsect2">
1066 <a name="HB-OT-TAG-GSUB:CAPS"></a><h3>HB_OT_TAG_GSUB</h3>
1067 <pre class="programlisting">#define HB_OT_TAG_GSUB HB_TAG('G','S','U','B')
1068 </pre>
1069 </div>
1070 <hr>
1071 <div class="refsect2">
1072 <a name="HB-OT-TAG-JSTF:CAPS"></a><h3>HB_OT_TAG_JSTF</h3>
1073 <pre class="programlisting">#define HB_OT_TAG_JSTF HB_TAG('J','S','T','F')
1074 </pre>
1075 </div>
1076 <hr>
1077 <div class="refsect2">
1078 <a name="hb-ot-layout-glyph-class-t"></a><h3>enum hb_ot_layout_glyph_class_t</h3>
1079 <div class="refsect3">
1080 <a name="hb-ot-layout-glyph-class-t.members"></a><h4>Members</h4>
1081 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1082 <colgroup>
1083 <col width="300px" class="enum_members_name">
1084 <col class="enum_members_description">
1085 <col width="200px" class="enum_members_annotations">
1086 </colgroup>
1087 <tbody>
1088 <tr>
1089 <td class="enum_member_name"><p><a name="HB-OT-LAYOUT-GLYPH-CLASS-UNCLASSIFIED:CAPS"></a>HB_OT_LAYOUT_GLYPH_CLASS_UNCLASSIFIED</p></td>
1090 <td> </td>
1091 <td> </td>
1092 </tr>
1093 <tr>
1094 <td class="enum_member_name"><p><a name="HB-OT-LAYOUT-GLYPH-CLASS-BASE-GLYPH:CAPS"></a>HB_OT_LAYOUT_GLYPH_CLASS_BASE_GLYPH</p></td>
1095 <td> </td>
1096 <td> </td>
1097 </tr>
1098 <tr>
1099 <td class="enum_member_name"><p><a name="HB-OT-LAYOUT-GLYPH-CLASS-LIGATURE:CAPS"></a>HB_OT_LAYOUT_GLYPH_CLASS_LIGATURE</p></td>
1100 <td> </td>
1101 <td> </td>
1102 </tr>
1103 <tr>
1104 <td class="enum_member_name"><p><a name="HB-OT-LAYOUT-GLYPH-CLASS-MARK:CAPS"></a>HB_OT_LAYOUT_GLYPH_CLASS_MARK</p></td>
1105 <td> </td>
1106 <td> </td>
1107 </tr>
1108 <tr>
1109 <td class="enum_member_name"><p><a name="HB-OT-LAYOUT-GLYPH-CLASS-COMPONENT:CAPS"></a>HB_OT_LAYOUT_GLYPH_CLASS_COMPONENT</p></td>
1110 <td> </td>
1111 <td> </td>
1112 </tr>
1113 </tbody>
1114 </table></div>
1115 </div>
1116 </div>
1117 </div>
1118 </div>
1119 <div class="footer">
1120 <hr>Generated by GTK-Doc V1.25</div>
1121 </body>
1122 </html>