docs/html/harfbuzz-hb-set.html

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  18                   <a href="#harfbuzz-hb-set.description" class="shortcut">Description</a></span>
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  25 <div class="refentry">
  26 <a name="harfbuzz-hb-set"></a><div class="titlepage"></div>
  27 <div class="refnamediv"><table width="100%"><tr>
  28 <td valign="top">
  29 <h2><span class="refentrytitle"><a name="harfbuzz-hb-set.top_of_page"></a>hb-set</span></h2>
  30 <p>hb-set — Object representing a set of integers</p>
  31 </td>
  32 <td class="gallery_image" valign="top" align="right"></td>
  33 </tr></table></div>
  34 <div class="refsect1">
  35 <a name="harfbuzz-hb-set.functions"></a><h2>Functions</h2>
  36 <div class="informaltable"><table class="informaltable" width="100%" border="0">
  37 <colgroup>
  38 <col width="150px" class="functions_proto_type">
  39 <col class="functions_proto_name">
  40 </colgroup>
  41 <tbody>
  42 <tr>
  43 <td class="function_type">
  44 <span class="returnvalue">void</span>
  45 </td>
  46 <td class="function_name">
  47 <a class="link" href="harfbuzz-hb-set.html#hb-set-add" title="hb_set_add ()">hb_set_add</a> <span class="c_punctuation">()</span>
  48 </td>
  49 </tr>
  50 <tr>
  51 <td class="function_type">
  52 <span class="returnvalue">void</span>
  53 </td>
  54 <td class="function_name">
  55 <a class="link" href="harfbuzz-hb-set.html#hb-set-add-range" title="hb_set_add_range ()">hb_set_add_range</a> <span class="c_punctuation">()</span>
  56 </td>
  57 </tr>
  58 <tr>
  59 <td class="function_type">
  60 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
  61 </td>
  62 <td class="function_name">
  63 <a class="link" href="harfbuzz-hb-set.html#hb-set-allocation-successful" title="hb_set_allocation_successful ()">hb_set_allocation_successful</a> <span class="c_punctuation">()</span>
  64 </td>
  65 </tr>
  66 <tr>
  67 <td class="function_type">
  68 <span class="returnvalue">void</span>
  69 </td>
  70 <td class="function_name">
  71 <a class="link" href="harfbuzz-hb-set.html#hb-set-clear" title="hb_set_clear ()">hb_set_clear</a> <span class="c_punctuation">()</span>
  72 </td>
  73 </tr>
  74 <tr>
  75 <td class="function_type">
  76 <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> *
  77 </td>
  78 <td class="function_name">
  79 <a class="link" href="harfbuzz-hb-set.html#hb-set-create" title="hb_set_create ()">hb_set_create</a> <span class="c_punctuation">()</span>
  80 </td>
  81 </tr>
  82 <tr>
  83 <td class="function_type">
  84 <span class="returnvalue">void</span>
  85 </td>
  86 <td class="function_name">
  87 <a class="link" href="harfbuzz-hb-set.html#hb-set-del" title="hb_set_del ()">hb_set_del</a> <span class="c_punctuation">()</span>
  88 </td>
  89 </tr>
  90 <tr>
  91 <td class="function_type">
  92 <span class="returnvalue">void</span>
  93 </td>
  94 <td class="function_name">
  95 <a class="link" href="harfbuzz-hb-set.html#hb-set-del-range" title="hb_set_del_range ()">hb_set_del_range</a> <span class="c_punctuation">()</span>
  96 </td>
  97 </tr>
  98 <tr>
  99 <td class="function_type">
 100 <span class="returnvalue">void</span>
 101 </td>
 102 <td class="function_name">
 103 <a class="link" href="harfbuzz-hb-set.html#hb-set-destroy" title="hb_set_destroy ()">hb_set_destroy</a> <span class="c_punctuation">()</span>
 104 </td>
 105 </tr>
 106 <tr>
 107 <td class="function_type">
 108 <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> *
 109 </td>
 110 <td class="function_name">
 111 <a class="link" href="harfbuzz-hb-set.html#hb-set-get-empty" title="hb_set_get_empty ()">hb_set_get_empty</a> <span class="c_punctuation">()</span>
 112 </td>
 113 </tr>
 114 <tr>
 115 <td class="function_type">
 116 <a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="returnvalue">hb_codepoint_t</span></a>
 117 </td>
 118 <td class="function_name">
 119 <a class="link" href="harfbuzz-hb-set.html#hb-set-get-max" title="hb_set_get_max ()">hb_set_get_max</a> <span class="c_punctuation">()</span>
 120 </td>
 121 </tr>
 122 <tr>
 123 <td class="function_type">
 124 <a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="returnvalue">hb_codepoint_t</span></a>
 125 </td>
 126 <td class="function_name">
 127 <a class="link" href="harfbuzz-hb-set.html#hb-set-get-min" title="hb_set_get_min ()">hb_set_get_min</a> <span class="c_punctuation">()</span>
 128 </td>
 129 </tr>
 130 <tr>
 131 <td class="function_type">unsigned <span class="returnvalue">int</span>
 132 </td>
 133 <td class="function_name">
 134 <a class="link" href="harfbuzz-hb-set.html#hb-set-get-population" title="hb_set_get_population ()">hb_set_get_population</a> <span class="c_punctuation">()</span>
 135 </td>
 136 </tr>
 137 <tr>
 138 <td class="function_type">
 139 <span class="returnvalue">void</span> *
 140 </td>
 141 <td class="function_name">
 142 <a class="link" href="harfbuzz-hb-set.html#hb-set-get-user-data" title="hb_set_get_user_data ()">hb_set_get_user_data</a> <span class="c_punctuation">()</span>
 143 </td>
 144 </tr>
 145 <tr>
 146 <td class="function_type">
 147 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 148 </td>
 149 <td class="function_name">
 150 <a class="link" href="harfbuzz-hb-set.html#hb-set-has" title="hb_set_has ()">hb_set_has</a> <span class="c_punctuation">()</span>
 151 </td>
 152 </tr>
 153 <tr>
 154 <td class="function_type">
 155 <span class="returnvalue">void</span>
 156 </td>
 157 <td class="function_name">
 158 <a class="link" href="harfbuzz-hb-set.html#hb-set-intersect" title="hb_set_intersect ()">hb_set_intersect</a> <span class="c_punctuation">()</span>
 159 </td>
 160 </tr>
 161 <tr>
 162 <td class="function_type">
 163 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 164 </td>
 165 <td class="function_name">
 166 <a class="link" href="harfbuzz-hb-set.html#hb-set-is-empty" title="hb_set_is_empty ()">hb_set_is_empty</a> <span class="c_punctuation">()</span>
 167 </td>
 168 </tr>
 169 <tr>
 170 <td class="function_type">
 171 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 172 </td>
 173 <td class="function_name">
 174 <a class="link" href="harfbuzz-hb-set.html#hb-set-is-equal" title="hb_set_is_equal ()">hb_set_is_equal</a> <span class="c_punctuation">()</span>
 175 </td>
 176 </tr>
 177 <tr>
 178 <td class="function_type">
 179 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 180 </td>
 181 <td class="function_name">
 182 <a class="link" href="harfbuzz-hb-set.html#hb-set-is-subset" title="hb_set_is_subset ()">hb_set_is_subset</a> <span class="c_punctuation">()</span>
 183 </td>
 184 </tr>
 185 <tr>
 186 <td class="function_type">
 187 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 188 </td>
 189 <td class="function_name">
 190 <a class="link" href="harfbuzz-hb-set.html#hb-set-next" title="hb_set_next ()">hb_set_next</a> <span class="c_punctuation">()</span>
 191 </td>
 192 </tr>
 193 <tr>
 194 <td class="function_type">
 195 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 196 </td>
 197 <td class="function_name">
 198 <a class="link" href="harfbuzz-hb-set.html#hb-set-next-range" title="hb_set_next_range ()">hb_set_next_range</a> <span class="c_punctuation">()</span>
 199 </td>
 200 </tr>
 201 <tr>
 202 <td class="function_type">
 203 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 204 </td>
 205 <td class="function_name">
 206 <a class="link" href="harfbuzz-hb-set.html#hb-set-previous" title="hb_set_previous ()">hb_set_previous</a> <span class="c_punctuation">()</span>
 207 </td>
 208 </tr>
 209 <tr>
 210 <td class="function_type">
 211 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 212 </td>
 213 <td class="function_name">
 214 <a class="link" href="harfbuzz-hb-set.html#hb-set-previous-range" title="hb_set_previous_range ()">hb_set_previous_range</a> <span class="c_punctuation">()</span>
 215 </td>
 216 </tr>
 217 <tr>
 218 <td class="function_type">
 219 <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> *
 220 </td>
 221 <td class="function_name">
 222 <a class="link" href="harfbuzz-hb-set.html#hb-set-reference" title="hb_set_reference ()">hb_set_reference</a> <span class="c_punctuation">()</span>
 223 </td>
 224 </tr>
 225 <tr>
 226 <td class="function_type">
 227 <span class="returnvalue">void</span>
 228 </td>
 229 <td class="function_name">
 230 <a class="link" href="harfbuzz-hb-set.html#hb-set-set" title="hb_set_set ()">hb_set_set</a> <span class="c_punctuation">()</span>
 231 </td>
 232 </tr>
 233 <tr>
 234 <td class="function_type">
 235 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 236 </td>
 237 <td class="function_name">
 238 <a class="link" href="harfbuzz-hb-set.html#hb-set-set-user-data" title="hb_set_set_user_data ()">hb_set_set_user_data</a> <span class="c_punctuation">()</span>
 239 </td>
 240 </tr>
 241 <tr>
 242 <td class="function_type">
 243 <span class="returnvalue">void</span>
 244 </td>
 245 <td class="function_name">
 246 <a class="link" href="harfbuzz-hb-set.html#hb-set-subtract" title="hb_set_subtract ()">hb_set_subtract</a> <span class="c_punctuation">()</span>
 247 </td>
 248 </tr>
 249 <tr>
 250 <td class="function_type">
 251 <span class="returnvalue">void</span>
 252 </td>
 253 <td class="function_name">
 254 <a class="link" href="harfbuzz-hb-set.html#hb-set-symmetric-difference" title="hb_set_symmetric_difference ()">hb_set_symmetric_difference</a> <span class="c_punctuation">()</span>
 255 </td>
 256 </tr>
 257 <tr>
 258 <td class="function_type">
 259 <span class="returnvalue">void</span>
 260 </td>
 261 <td class="function_name">
 262 <a class="link" href="harfbuzz-hb-set.html#hb-set-union" title="hb_set_union ()">hb_set_union</a> <span class="c_punctuation">()</span>
 263 </td>
 264 </tr>
 265 </tbody>
 266 </table></div>
 267 </div>
 268 <div class="refsect1">
 269 <a name="harfbuzz-hb-set.other"></a><h2>Types and Values</h2>
 270 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 271 <colgroup>
 272 <col width="150px" class="other_proto_type">
 273 <col class="other_proto_name">
 274 </colgroup>
 275 <tbody>
 276 <tr>
 277 <td class="define_keyword">#define</td>
 278 <td class="function_name"><a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID">HB_SET_VALUE_INVALID</a></td>
 279 </tr>
 280 <tr>
 281 <td class="typedef_keyword">typedef</td>
 282 <td class="function_name"><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t">hb_set_t</a></td>
 283 </tr>
 284 </tbody>
 285 </table></div>
 286 </div>
 287 <div class="refsect1">
 288 <a name="harfbuzz-hb-set.includes"></a><h2>Includes</h2>
 289 <pre class="synopsis">#include &lt;hb.h&gt;
 290 </pre>
 291 </div>
 292 <div class="refsect1">
 293 <a name="harfbuzz-hb-set.description"></a><h2>Description</h2>
 294 <p>Set objects represent a mathematical set of integer values.  They are
 295 used in non-shaping API to query certain set of characters or glyphs,
 296 or other integer values.</p>
 297 </div>
 298 <div class="refsect1">
 299 <a name="harfbuzz-hb-set.functions_details"></a><h2>Functions</h2>
 300 <div class="refsect2">
 301 <a name="hb-set-add"></a><h3>hb_set_add ()</h3>
 302 <pre class="programlisting"><span class="returnvalue">void</span>
 303 hb_set_add (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 304             <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> codepoint</code></em>);</pre>
 305 <div class="refsect3">
 306 <a name="hb-set-add.parameters"></a><h4>Parameters</h4>
 307 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 308 <colgroup>
 309 <col width="150px" class="parameters_name">
 310 <col class="parameters_description">
 311 <col width="200px" class="parameters_annotations">
 312 </colgroup>
 313 <tbody><tr>
 314 <td class="parameter_name"><p>set</p></td>
 315 <td class="parameter_description"><p>a set.</p></td>
 316 <td class="parameter_annotations"> </td>
 317 </tr></tbody>
 318 </table></div>
 319 </div>
 320 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 321 </div>
 322 <hr>
 323 <div class="refsect2">
 324 <a name="hb-set-add-range"></a><h3>hb_set_add_range ()</h3>
 325 <pre class="programlisting"><span class="returnvalue">void</span>
 326 hb_set_add_range (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 327                   <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> first</code></em>,
 328                   <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> last</code></em>);</pre>
 329 <div class="refsect3">
 330 <a name="hb-set-add-range.parameters"></a><h4>Parameters</h4>
 331 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 332 <colgroup>
 333 <col width="150px" class="parameters_name">
 334 <col class="parameters_description">
 335 <col width="200px" class="parameters_annotations">
 336 </colgroup>
 337 <tbody><tr>
 338 <td class="parameter_name"><p>set</p></td>
 339 <td class="parameter_description"><p>a set.</p></td>
 340 <td class="parameter_annotations"> </td>
 341 </tr></tbody>
 342 </table></div>
 343 </div>
 344 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 345 </div>
 346 <hr>
 347 <div class="refsect2">
 348 <a name="hb-set-allocation-successful"></a><h3>hb_set_allocation_successful ()</h3>
 349 <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>
 350 hb_set_allocation_successful (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre>
 351 <div class="refsect3">
 352 <a name="hb-set-allocation-successful.parameters"></a><h4>Parameters</h4>
 353 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 354 <colgroup>
 355 <col width="150px" class="parameters_name">
 356 <col class="parameters_description">
 357 <col width="200px" class="parameters_annotations">
 358 </colgroup>
 359 <tbody><tr>
 360 <td class="parameter_name"><p>set</p></td>
 361 <td class="parameter_description"><p>a set.</p></td>
 362 <td class="parameter_annotations"> </td>
 363 </tr></tbody>
 364 </table></div>
 365 </div>
 366 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 367 </div>
 368 <hr>
 369 <div class="refsect2">
 370 <a name="hb-set-clear"></a><h3>hb_set_clear ()</h3>
 371 <pre class="programlisting"><span class="returnvalue">void</span>
 372 hb_set_clear (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre>
 373 <div class="refsect3">
 374 <a name="hb-set-clear.parameters"></a><h4>Parameters</h4>
 375 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 376 <colgroup>
 377 <col width="150px" class="parameters_name">
 378 <col class="parameters_description">
 379 <col width="200px" class="parameters_annotations">
 380 </colgroup>
 381 <tbody><tr>
 382 <td class="parameter_name"><p>set</p></td>
 383 <td class="parameter_description"><p>a set.</p></td>
 384 <td class="parameter_annotations"> </td>
 385 </tr></tbody>
 386 </table></div>
 387 </div>
 388 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 389 </div>
 390 <hr>
 391 <div class="refsect2">
 392 <a name="hb-set-create"></a><h3>hb_set_create ()</h3>
 393 <pre class="programlisting"><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> *
 394 hb_set_create (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
 395 <p><span class="annotation">[Xconstructor]</span></p>
 396 <div class="refsect3">
 397 <a name="hb-set-create.returns"></a><h4>Returns</h4>
 398 <p>. </p>
 399 <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
 400 </div>
 401 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 402 </div>
 403 <hr>
 404 <div class="refsect2">
 405 <a name="hb-set-del"></a><h3>hb_set_del ()</h3>
 406 <pre class="programlisting"><span class="returnvalue">void</span>
 407 hb_set_del (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 408             <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> codepoint</code></em>);</pre>
 409 <div class="refsect3">
 410 <a name="hb-set-del.parameters"></a><h4>Parameters</h4>
 411 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 412 <colgroup>
 413 <col width="150px" class="parameters_name">
 414 <col class="parameters_description">
 415 <col width="200px" class="parameters_annotations">
 416 </colgroup>
 417 <tbody><tr>
 418 <td class="parameter_name"><p>set</p></td>
 419 <td class="parameter_description"><p>a set.</p></td>
 420 <td class="parameter_annotations"> </td>
 421 </tr></tbody>
 422 </table></div>
 423 </div>
 424 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 425 </div>
 426 <hr>
 427 <div class="refsect2">
 428 <a name="hb-set-del-range"></a><h3>hb_set_del_range ()</h3>
 429 <pre class="programlisting"><span class="returnvalue">void</span>
 430 hb_set_del_range (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 431                   <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> first</code></em>,
 432                   <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> last</code></em>);</pre>
 433 <div class="refsect3">
 434 <a name="hb-set-del-range.parameters"></a><h4>Parameters</h4>
 435 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 436 <colgroup>
 437 <col width="150px" class="parameters_name">
 438 <col class="parameters_description">
 439 <col width="200px" class="parameters_annotations">
 440 </colgroup>
 441 <tbody><tr>
 442 <td class="parameter_name"><p>set</p></td>
 443 <td class="parameter_description"><p>a set.</p></td>
 444 <td class="parameter_annotations"> </td>
 445 </tr></tbody>
 446 </table></div>
 447 </div>
 448 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 449 </div>
 450 <hr>
 451 <div class="refsect2">
 452 <a name="hb-set-destroy"></a><h3>hb_set_destroy ()</h3>
 453 <pre class="programlisting"><span class="returnvalue">void</span>
 454 hb_set_destroy (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre>
 455 <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
 456 <div class="refsect3">
 457 <a name="hb-set-destroy.parameters"></a><h4>Parameters</h4>
 458 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 459 <colgroup>
 460 <col width="150px" class="parameters_name">
 461 <col class="parameters_description">
 462 <col width="200px" class="parameters_annotations">
 463 </colgroup>
 464 <tbody><tr>
 465 <td class="parameter_name"><p>set</p></td>
 466 <td class="parameter_description"><p>a set.</p></td>
 467 <td class="parameter_annotations"> </td>
 468 </tr></tbody>
 469 </table></div>
 470 </div>
 471 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 472 </div>
 473 <hr>
 474 <div class="refsect2">
 475 <a name="hb-set-get-empty"></a><h3>hb_set_get_empty ()</h3>
 476 <pre class="programlisting"><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> *
 477 hb_set_get_empty (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
 478 <div class="refsect3">
 479 <a name="hb-set-get-empty.returns"></a><h4>Returns</h4>
 480 <p>. </p>
 481 <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
 482 </div>
 483 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 484 </div>
 485 <hr>
 486 <div class="refsect2">
 487 <a name="hb-set-get-max"></a><h3>hb_set_get_max ()</h3>
 488 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="returnvalue">hb_codepoint_t</span></a>
 489 hb_set_get_max (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre>
 490 <p>Finds the maximum number in the set.</p>
 491 <div class="refsect3">
 492 <a name="hb-set-get-max.parameters"></a><h4>Parameters</h4>
 493 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 494 <colgroup>
 495 <col width="150px" class="parameters_name">
 496 <col class="parameters_description">
 497 <col width="200px" class="parameters_annotations">
 498 </colgroup>
 499 <tbody><tr>
 500 <td class="parameter_name"><p>set</p></td>
 501 <td class="parameter_description"><p>a set.</p></td>
 502 <td class="parameter_annotations"> </td>
 503 </tr></tbody>
 504 </table></div>
 505 </div>
 506 <div class="refsect3">
 507 <a name="hb-set-get-max.returns"></a><h4>Returns</h4>
 508 <p> minimum of the set, or <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> if set is empty.</p>
 509 </div>
 510 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 511 </div>
 512 <hr>
 513 <div class="refsect2">
 514 <a name="hb-set-get-min"></a><h3>hb_set_get_min ()</h3>
 515 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="returnvalue">hb_codepoint_t</span></a>
 516 hb_set_get_min (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre>
 517 <p>Finds the minimum number in the set.</p>
 518 <div class="refsect3">
 519 <a name="hb-set-get-min.parameters"></a><h4>Parameters</h4>
 520 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 521 <colgroup>
 522 <col width="150px" class="parameters_name">
 523 <col class="parameters_description">
 524 <col width="200px" class="parameters_annotations">
 525 </colgroup>
 526 <tbody><tr>
 527 <td class="parameter_name"><p>set</p></td>
 528 <td class="parameter_description"><p>a set.</p></td>
 529 <td class="parameter_annotations"> </td>
 530 </tr></tbody>
 531 </table></div>
 532 </div>
 533 <div class="refsect3">
 534 <a name="hb-set-get-min.returns"></a><h4>Returns</h4>
 535 <p> minimum of the set, or <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> if set is empty.</p>
 536 </div>
 537 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 538 </div>
 539 <hr>
 540 <div class="refsect2">
 541 <a name="hb-set-get-population"></a><h3>hb_set_get_population ()</h3>
 542 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 543 hb_set_get_population (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre>
 544 <p>Returns the number of numbers in the set.</p>
 545 <div class="refsect3">
 546 <a name="hb-set-get-population.parameters"></a><h4>Parameters</h4>
 547 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 548 <colgroup>
 549 <col width="150px" class="parameters_name">
 550 <col class="parameters_description">
 551 <col width="200px" class="parameters_annotations">
 552 </colgroup>
 553 <tbody><tr>
 554 <td class="parameter_name"><p>set</p></td>
 555 <td class="parameter_description"><p>a set.</p></td>
 556 <td class="parameter_annotations"> </td>
 557 </tr></tbody>
 558 </table></div>
 559 </div>
 560 <div class="refsect3">
 561 <a name="hb-set-get-population.returns"></a><h4>Returns</h4>
 562 <p> set population.</p>
 563 </div>
 564 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 565 </div>
 566 <hr>
 567 <div class="refsect2">
 568 <a name="hb-set-get-user-data"></a><h3>hb_set_get_user_data ()</h3>
 569 <pre class="programlisting"><span class="returnvalue">void</span> *
 570 hb_set_get_user_data (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 571                       <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-user-data-key-t" title="hb_user_data_key_t"><span class="type">hb_user_data_key_t</span></a> *key</code></em>);</pre>
 572 <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
 573 <div class="refsect3">
 574 <a name="hb-set-get-user-data.parameters"></a><h4>Parameters</h4>
 575 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 576 <colgroup>
 577 <col width="150px" class="parameters_name">
 578 <col class="parameters_description">
 579 <col width="200px" class="parameters_annotations">
 580 </colgroup>
 581 <tbody><tr>
 582 <td class="parameter_name"><p>set</p></td>
 583 <td class="parameter_description"><p>a set.</p></td>
 584 <td class="parameter_annotations"> </td>
 585 </tr></tbody>
 586 </table></div>
 587 </div>
 588 <div class="refsect3">
 589 <a name="hb-set-get-user-data.returns"></a><h4>Returns</h4>
 590 <p>. </p>
 591 <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
 592 </div>
 593 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 594 </div>
 595 <hr>
 596 <div class="refsect2">
 597 <a name="hb-set-has"></a><h3>hb_set_has ()</h3>
 598 <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>
 599 hb_set_has (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 600             <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> codepoint</code></em>);</pre>
 601 <div class="refsect3">
 602 <a name="hb-set-has.parameters"></a><h4>Parameters</h4>
 603 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 604 <colgroup>
 605 <col width="150px" class="parameters_name">
 606 <col class="parameters_description">
 607 <col width="200px" class="parameters_annotations">
 608 </colgroup>
 609 <tbody><tr>
 610 <td class="parameter_name"><p>set</p></td>
 611 <td class="parameter_description"><p>a set.</p></td>
 612 <td class="parameter_annotations"> </td>
 613 </tr></tbody>
 614 </table></div>
 615 </div>
 616 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 617 </div>
 618 <hr>
 619 <div class="refsect2">
 620 <a name="hb-set-intersect"></a><h3>hb_set_intersect ()</h3>
 621 <pre class="programlisting"><span class="returnvalue">void</span>
 622 hb_set_intersect (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 623                   <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre>
 624 <div class="refsect3">
 625 <a name="hb-set-intersect.parameters"></a><h4>Parameters</h4>
 626 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 627 <colgroup>
 628 <col width="150px" class="parameters_name">
 629 <col class="parameters_description">
 630 <col width="200px" class="parameters_annotations">
 631 </colgroup>
 632 <tbody><tr>
 633 <td class="parameter_name"><p>set</p></td>
 634 <td class="parameter_description"><p>a set.</p></td>
 635 <td class="parameter_annotations"> </td>
 636 </tr></tbody>
 637 </table></div>
 638 </div>
 639 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 640 </div>
 641 <hr>
 642 <div class="refsect2">
 643 <a name="hb-set-is-empty"></a><h3>hb_set_is_empty ()</h3>
 644 <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>
 645 hb_set_is_empty (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre>
 646 <div class="refsect3">
 647 <a name="hb-set-is-empty.parameters"></a><h4>Parameters</h4>
 648 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 649 <colgroup>
 650 <col width="150px" class="parameters_name">
 651 <col class="parameters_description">
 652 <col width="200px" class="parameters_annotations">
 653 </colgroup>
 654 <tbody><tr>
 655 <td class="parameter_name"><p>set</p></td>
 656 <td class="parameter_description"><p>a set.</p></td>
 657 <td class="parameter_annotations"> </td>
 658 </tr></tbody>
 659 </table></div>
 660 </div>
 661 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 662 </div>
 663 <hr>
 664 <div class="refsect2">
 665 <a name="hb-set-is-equal"></a><h3>hb_set_is_equal ()</h3>
 666 <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>
 667 hb_set_is_equal (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 668                  <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre>
 669 <div class="refsect3">
 670 <a name="hb-set-is-equal.parameters"></a><h4>Parameters</h4>
 671 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 672 <colgroup>
 673 <col width="150px" class="parameters_name">
 674 <col class="parameters_description">
 675 <col width="200px" class="parameters_annotations">
 676 </colgroup>
 677 <tbody>
 678 <tr>
 679 <td class="parameter_name"><p>set</p></td>
 680 <td class="parameter_description"><p>a set.</p></td>
 681 <td class="parameter_annotations"> </td>
 682 </tr>
 683 <tr>
 684 <td class="parameter_name"><p>other</p></td>
 685 <td class="parameter_description"><p>other set.</p></td>
 686 <td class="parameter_annotations"> </td>
 687 </tr>
 688 </tbody>
 689 </table></div>
 690 </div>
 691 <div class="refsect3">
 692 <a name="hb-set-is-equal.returns"></a><h4>Returns</h4>
 693 <p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the two sets are equal, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p>
 694 </div>
 695 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 696 </div>
 697 <hr>
 698 <div class="refsect2">
 699 <a name="hb-set-is-subset"></a><h3>hb_set_is_subset ()</h3>
 700 <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>
 701 hb_set_is_subset (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 702                   <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *larger_set</code></em>);</pre>
 703 <div class="refsect3">
 704 <a name="hb-set-is-subset.parameters"></a><h4>Parameters</h4>
 705 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 706 <colgroup>
 707 <col width="150px" class="parameters_name">
 708 <col class="parameters_description">
 709 <col width="200px" class="parameters_annotations">
 710 </colgroup>
 711 <tbody>
 712 <tr>
 713 <td class="parameter_name"><p>set</p></td>
 714 <td class="parameter_description"><p>a set.</p></td>
 715 <td class="parameter_annotations"> </td>
 716 </tr>
 717 <tr>
 718 <td class="parameter_name"><p>larger_set</p></td>
 719 <td class="parameter_description"><p>other set.</p></td>
 720 <td class="parameter_annotations"> </td>
 721 </tr>
 722 </tbody>
 723 </table></div>
 724 </div>
 725 <div class="refsect3">
 726 <a name="hb-set-is-subset.returns"></a><h4>Returns</h4>
 727 <p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the <em class="parameter"><code>set</code></em>
 728 is a subset of (or equal to) <em class="parameter"><code>larger_set</code></em>
 729 , <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p>
 730 </div>
 731 <p class="since">Since: <a class="link" href="api-index-1-8-1.html#api-index-1.8.1">1.8.1</a></p>
 732 </div>
 733 <hr>
 734 <div class="refsect2">
 735 <a name="hb-set-next"></a><h3>hb_set_next ()</h3>
 736 <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>
 737 hb_set_next (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 738              <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> *codepoint</code></em>);</pre>
 739 <p>Gets the next number in <em class="parameter"><code>set</code></em>
 740  that is greater than current value of <em class="parameter"><code>codepoint</code></em>
 741 .</p>
 742 <p>Set <em class="parameter"><code>codepoint</code></em>
 743  to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> to get started.</p>
 744 <div class="refsect3">
 745 <a name="hb-set-next.parameters"></a><h4>Parameters</h4>
 746 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 747 <colgroup>
 748 <col width="150px" class="parameters_name">
 749 <col class="parameters_description">
 750 <col width="200px" class="parameters_annotations">
 751 </colgroup>
 752 <tbody>
 753 <tr>
 754 <td class="parameter_name"><p>set</p></td>
 755 <td class="parameter_description"><p>a set.</p></td>
 756 <td class="parameter_annotations"> </td>
 757 </tr>
 758 <tr>
 759 <td class="parameter_name"><p>codepoint</p></td>
 760 <td class="parameter_description"><p>. </p></td>
 761 <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>]</span></td>
 762 </tr>
 763 </tbody>
 764 </table></div>
 765 </div>
 766 <div class="refsect3">
 767 <a name="hb-set-next.returns"></a><h4>Returns</h4>
 768 <p> whether there was a next value.</p>
 769 </div>
 770 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 771 </div>
 772 <hr>
 773 <div class="refsect2">
 774 <a name="hb-set-next-range"></a><h3>hb_set_next_range ()</h3>
 775 <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>
 776 hb_set_next_range (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 777                    <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> *first</code></em>,
 778                    <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> *last</code></em>);</pre>
 779 <p>Gets the next consecutive range of numbers in <em class="parameter"><code>set</code></em>
 780  that
 781 are greater than current value of <em class="parameter"><code>last</code></em>
 782 .</p>
 783 <p>Set <em class="parameter"><code>last</code></em>
 784  to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> to get started.</p>
 785 <div class="refsect3">
 786 <a name="hb-set-next-range.parameters"></a><h4>Parameters</h4>
 787 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 788 <colgroup>
 789 <col width="150px" class="parameters_name">
 790 <col class="parameters_description">
 791 <col width="200px" class="parameters_annotations">
 792 </colgroup>
 793 <tbody>
 794 <tr>
 795 <td class="parameter_name"><p>set</p></td>
 796 <td class="parameter_description"><p>a set.</p></td>
 797 <td class="parameter_annotations"> </td>
 798 </tr>
 799 <tr>
 800 <td class="parameter_name"><p>first</p></td>
 801 <td class="parameter_description"><p>output first codepoint in the range. </p></td>
 802 <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
 803 </tr>
 804 <tr>
 805 <td class="parameter_name"><p>last</p></td>
 806 <td class="parameter_description"><p>input current last and output last codepoint in the range. </p></td>
 807 <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>]</span></td>
 808 </tr>
 809 </tbody>
 810 </table></div>
 811 </div>
 812 <div class="refsect3">
 813 <a name="hb-set-next-range.returns"></a><h4>Returns</h4>
 814 <p> whether there was a next range.</p>
 815 </div>
 816 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 817 </div>
 818 <hr>
 819 <div class="refsect2">
 820 <a name="hb-set-previous"></a><h3>hb_set_previous ()</h3>
 821 <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>
 822 hb_set_previous (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 823                  <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> *codepoint</code></em>);</pre>
 824 <p>Gets the previous number in <em class="parameter"><code>set</code></em>
 825  that is lower than current value of <em class="parameter"><code>codepoint</code></em>
 826 .</p>
 827 <p>Set <em class="parameter"><code>codepoint</code></em>
 828  to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> to get started.</p>
 829 <div class="refsect3">
 830 <a name="hb-set-previous.parameters"></a><h4>Parameters</h4>
 831 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 832 <colgroup>
 833 <col width="150px" class="parameters_name">
 834 <col class="parameters_description">
 835 <col width="200px" class="parameters_annotations">
 836 </colgroup>
 837 <tbody>
 838 <tr>
 839 <td class="parameter_name"><p>set</p></td>
 840 <td class="parameter_description"><p>a set.</p></td>
 841 <td class="parameter_annotations"> </td>
 842 </tr>
 843 <tr>
 844 <td class="parameter_name"><p>codepoint</p></td>
 845 <td class="parameter_description"><p>. </p></td>
 846 <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>]</span></td>
 847 </tr>
 848 </tbody>
 849 </table></div>
 850 </div>
 851 <div class="refsect3">
 852 <a name="hb-set-previous.returns"></a><h4>Returns</h4>
 853 <p> whether there was a previous value.</p>
 854 </div>
 855 <p class="since">Since: <a class="link" href="api-index-1-8-0.html#api-index-1.8.0">1.8.0</a></p>
 856 </div>
 857 <hr>
 858 <div class="refsect2">
 859 <a name="hb-set-previous-range"></a><h3>hb_set_previous_range ()</h3>
 860 <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>
 861 hb_set_previous_range (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 862                        <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> *first</code></em>,
 863                        <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> *last</code></em>);</pre>
 864 <p>Gets the previous consecutive range of numbers in <em class="parameter"><code>set</code></em>
 865  that
 866 are less than current value of <em class="parameter"><code>first</code></em>
 867 .</p>
 868 <p>Set <em class="parameter"><code>first</code></em>
 869  to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> to get started.</p>
 870 <div class="refsect3">
 871 <a name="hb-set-previous-range.parameters"></a><h4>Parameters</h4>
 872 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 873 <colgroup>
 874 <col width="150px" class="parameters_name">
 875 <col class="parameters_description">
 876 <col width="200px" class="parameters_annotations">
 877 </colgroup>
 878 <tbody>
 879 <tr>
 880 <td class="parameter_name"><p>set</p></td>
 881 <td class="parameter_description"><p>a set.</p></td>
 882 <td class="parameter_annotations"> </td>
 883 </tr>
 884 <tr>
 885 <td class="parameter_name"><p>first</p></td>
 886 <td class="parameter_description"><p>input current first and output first codepoint in the range. </p></td>
 887 <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>]</span></td>
 888 </tr>
 889 <tr>
 890 <td class="parameter_name"><p>last</p></td>
 891 <td class="parameter_description"><p>output last codepoint in the range. </p></td>
 892 <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
 893 </tr>
 894 </tbody>
 895 </table></div>
 896 </div>
 897 <div class="refsect3">
 898 <a name="hb-set-previous-range.returns"></a><h4>Returns</h4>
 899 <p> whether there was a previous range.</p>
 900 </div>
 901 <p class="since">Since: <a class="link" href="api-index-1-8-0.html#api-index-1.8.0">1.8.0</a></p>
 902 </div>
 903 <hr>
 904 <div class="refsect2">
 905 <a name="hb-set-reference"></a><h3>hb_set_reference ()</h3>
 906 <pre class="programlisting"><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> *
 907 hb_set_reference (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre>
 908 <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
 909 <div class="refsect3">
 910 <a name="hb-set-reference.parameters"></a><h4>Parameters</h4>
 911 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 912 <colgroup>
 913 <col width="150px" class="parameters_name">
 914 <col class="parameters_description">
 915 <col width="200px" class="parameters_annotations">
 916 </colgroup>
 917 <tbody><tr>
 918 <td class="parameter_name"><p>set</p></td>
 919 <td class="parameter_description"><p>a set.</p></td>
 920 <td class="parameter_annotations"> </td>
 921 </tr></tbody>
 922 </table></div>
 923 </div>
 924 <div class="refsect3">
 925 <a name="hb-set-reference.returns"></a><h4>Returns</h4>
 926 <p>. </p>
 927 <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
 928 </div>
 929 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 930 </div>
 931 <hr>
 932 <div class="refsect2">
 933 <a name="hb-set-set"></a><h3>hb_set_set ()</h3>
 934 <pre class="programlisting"><span class="returnvalue">void</span>
 935 hb_set_set (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 936             <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre>
 937 <div class="refsect3">
 938 <a name="hb-set-set.parameters"></a><h4>Parameters</h4>
 939 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 940 <colgroup>
 941 <col width="150px" class="parameters_name">
 942 <col class="parameters_description">
 943 <col width="200px" class="parameters_annotations">
 944 </colgroup>
 945 <tbody><tr>
 946 <td class="parameter_name"><p>set</p></td>
 947 <td class="parameter_description"><p>a set.</p></td>
 948 <td class="parameter_annotations"> </td>
 949 </tr></tbody>
 950 </table></div>
 951 </div>
 952 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 953 </div>
 954 <hr>
 955 <div class="refsect2">
 956 <a name="hb-set-set-user-data"></a><h3>hb_set_set_user_data ()</h3>
 957 <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>
 958 hb_set_set_user_data (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 959                       <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-user-data-key-t" title="hb_user_data_key_t"><span class="type">hb_user_data_key_t</span></a> *key</code></em>,
 960                       <em class="parameter"><code><span class="type">void</span> *data</code></em>,
 961                       <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>,
 962                       <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> replace</code></em>);</pre>
 963 <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
 964 <div class="refsect3">
 965 <a name="hb-set-set-user-data.parameters"></a><h4>Parameters</h4>
 966 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 967 <colgroup>
 968 <col width="150px" class="parameters_name">
 969 <col class="parameters_description">
 970 <col width="200px" class="parameters_annotations">
 971 </colgroup>
 972 <tbody><tr>
 973 <td class="parameter_name"><p>set</p></td>
 974 <td class="parameter_description"><p>a set.</p></td>
 975 <td class="parameter_annotations"> </td>
 976 </tr></tbody>
 977 </table></div>
 978 </div>
 979 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 980 </div>
 981 <hr>
 982 <div class="refsect2">
 983 <a name="hb-set-subtract"></a><h3>hb_set_subtract ()</h3>
 984 <pre class="programlisting"><span class="returnvalue">void</span>
 985 hb_set_subtract (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
 986                  <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre>
 987 <div class="refsect3">
 988 <a name="hb-set-subtract.parameters"></a><h4>Parameters</h4>
 989 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 990 <colgroup>
 991 <col width="150px" class="parameters_name">
 992 <col class="parameters_description">
 993 <col width="200px" class="parameters_annotations">
 994 </colgroup>
 995 <tbody><tr>
 996 <td class="parameter_name"><p>set</p></td>
 997 <td class="parameter_description"><p>a set.</p></td>
 998 <td class="parameter_annotations"> </td>
 999 </tr></tbody>
1000 </table></div>
1001 </div>
1002 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
1003 </div>
1004 <hr>
1005 <div class="refsect2">
1006 <a name="hb-set-symmetric-difference"></a><h3>hb_set_symmetric_difference ()</h3>
1007 <pre class="programlisting"><span class="returnvalue">void</span>
1008 hb_set_symmetric_difference (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
1009                              <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre>
1010 <div class="refsect3">
1011 <a name="hb-set-symmetric-difference.parameters"></a><h4>Parameters</h4>
1012 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1013 <colgroup>
1014 <col width="150px" class="parameters_name">
1015 <col class="parameters_description">
1016 <col width="200px" class="parameters_annotations">
1017 </colgroup>
1018 <tbody><tr>
1019 <td class="parameter_name"><p>set</p></td>
1020 <td class="parameter_description"><p>a set.</p></td>
1021 <td class="parameter_annotations"> </td>
1022 </tr></tbody>
1023 </table></div>
1024 </div>
1025 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
1026 </div>
1027 <hr>
1028 <div class="refsect2">
1029 <a name="hb-set-union"></a><h3>hb_set_union ()</h3>
1030 <pre class="programlisting"><span class="returnvalue">void</span>
1031 hb_set_union (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>,
1032               <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre>
1033 <div class="refsect3">
1034 <a name="hb-set-union.parameters"></a><h4>Parameters</h4>
1035 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1036 <colgroup>
1037 <col width="150px" class="parameters_name">
1038 <col class="parameters_description">
1039 <col width="200px" class="parameters_annotations">
1040 </colgroup>
1041 <tbody><tr>
1042 <td class="parameter_name"><p>set</p></td>
1043 <td class="parameter_description"><p>a set.</p></td>
1044 <td class="parameter_annotations"> </td>
1045 </tr></tbody>
1046 </table></div>
1047 </div>
1048 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
1049 </div>
1050 </div>
1051 <div class="refsect1">
1052 <a name="harfbuzz-hb-set.other_details"></a><h2>Types and Values</h2>
1053 <div class="refsect2">
1054 <a name="HB-SET-VALUE-INVALID:CAPS"></a><h3>HB_SET_VALUE_INVALID</h3>
1055 <pre class="programlisting">#define HB_SET_VALUE_INVALID ((hb_codepoint_t) -1)
1056 </pre>
1057 </div>
1058 <hr>
1059 <div class="refsect2">
1060 <a name="hb-set-t"></a><h3>hb_set_t</h3>
1061 <pre class="programlisting">typedef struct hb_set_t hb_set_t;
1062 </pre>
1063 </div>
1064 </div>
1065 </div>
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