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 — Objects 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 <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> *
  69 </td>
  70 <td class="function_name">
  71 <a class="link" href="harfbuzz-hb-set.html#hb-set-copy" title="hb_set_copy ()">hb_set_copy</a> <span class="c_punctuation">()</span>
  72 </td>
  73 </tr>
  74 <tr>
  75 <td class="function_type">
  76 <span class="returnvalue">void</span>
  77 </td>
  78 <td class="function_name">
  79 <a class="link" href="harfbuzz-hb-set.html#hb-set-clear" title="hb_set_clear ()">hb_set_clear</a> <span class="c_punctuation">()</span>
  80 </td>
  81 </tr>
  82 <tr>
  83 <td class="function_type">
  84 <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> *
  85 </td>
  86 <td class="function_name">
  87 <a class="link" href="harfbuzz-hb-set.html#hb-set-create" title="hb_set_create ()">hb_set_create</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" title="hb_set_del ()">hb_set_del</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-del-range" title="hb_set_del_range ()">hb_set_del_range</a> <span class="c_punctuation">()</span>
 104 </td>
 105 </tr>
 106 <tr>
 107 <td class="function_type">
 108 <span class="returnvalue">void</span>
 109 </td>
 110 <td class="function_name">
 111 <a class="link" href="harfbuzz-hb-set.html#hb-set-destroy" title="hb_set_destroy ()">hb_set_destroy</a> <span class="c_punctuation">()</span>
 112 </td>
 113 </tr>
 114 <tr>
 115 <td class="function_type">
 116 <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> *
 117 </td>
 118 <td class="function_name">
 119 <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>
 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-max" title="hb_set_get_max ()">hb_set_get_max</a> <span class="c_punctuation">()</span>
 128 </td>
 129 </tr>
 130 <tr>
 131 <td class="function_type">
 132 <a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="returnvalue">hb_codepoint_t</span></a>
 133 </td>
 134 <td class="function_name">
 135 <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>
 136 </td>
 137 </tr>
 138 <tr>
 139 <td class="function_type">unsigned <span class="returnvalue">int</span>
 140 </td>
 141 <td class="function_name">
 142 <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>
 143 </td>
 144 </tr>
 145 <tr>
 146 <td class="function_type">
 147 <span class="returnvalue">void</span> *
 148 </td>
 149 <td class="function_name">
 150 <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>
 151 </td>
 152 </tr>
 153 <tr>
 154 <td class="function_type">
 155 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 156 </td>
 157 <td class="function_name">
 158 <a class="link" href="harfbuzz-hb-set.html#hb-set-has" title="hb_set_has ()">hb_set_has</a> <span class="c_punctuation">()</span>
 159 </td>
 160 </tr>
 161 <tr>
 162 <td class="function_type">
 163 <span class="returnvalue">void</span>
 164 </td>
 165 <td class="function_name">
 166 <a class="link" href="harfbuzz-hb-set.html#hb-set-intersect" title="hb_set_intersect ()">hb_set_intersect</a> <span class="c_punctuation">()</span>
 167 </td>
 168 </tr>
 169 <tr>
 170 <td class="function_type">
 171 <span class="returnvalue">void</span>
 172 </td>
 173 <td class="function_name">
 174 <a class="link" href="harfbuzz-hb-set.html#hb-set-invert" title="hb_set_invert ()">hb_set_invert</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-empty" title="hb_set_is_empty ()">hb_set_is_empty</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-is-equal" title="hb_set_is_equal ()">hb_set_is_equal</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-is-subset" title="hb_set_is_subset ()">hb_set_is_subset</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-next" title="hb_set_next ()">hb_set_next</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-next-range" title="hb_set_next_range ()">hb_set_next_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-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 220 </td>
 221 <td class="function_name">
 222 <a class="link" href="harfbuzz-hb-set.html#hb-set-previous" title="hb_set_previous ()">hb_set_previous</a> <span class="c_punctuation">()</span>
 223 </td>
 224 </tr>
 225 <tr>
 226 <td class="function_type">
 227 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 228 </td>
 229 <td class="function_name">
 230 <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>
 231 </td>
 232 </tr>
 233 <tr>
 234 <td class="function_type">
 235 <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> *
 236 </td>
 237 <td class="function_name">
 238 <a class="link" href="harfbuzz-hb-set.html#hb-set-reference" title="hb_set_reference ()">hb_set_reference</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-set" title="hb_set_set ()">hb_set_set</a> <span class="c_punctuation">()</span>
 247 </td>
 248 </tr>
 249 <tr>
 250 <td class="function_type">
 251 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
 252 </td>
 253 <td class="function_name">
 254 <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>
 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-subtract" title="hb_set_subtract ()">hb_set_subtract</a> <span class="c_punctuation">()</span>
 263 </td>
 264 </tr>
 265 <tr>
 266 <td class="function_type">
 267 <span class="returnvalue">void</span>
 268 </td>
 269 <td class="function_name">
 270 <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>
 271 </td>
 272 </tr>
 273 <tr>
 274 <td class="function_type">
 275 <span class="returnvalue">void</span>
 276 </td>
 277 <td class="function_name">
 278 <a class="link" href="harfbuzz-hb-set.html#hb-set-union" title="hb_set_union ()">hb_set_union</a> <span class="c_punctuation">()</span>
 279 </td>
 280 </tr>
 281 </tbody>
 282 </table></div>
 283 </div>
 284 <div class="refsect1">
 285 <a name="harfbuzz-hb-set.other"></a><h2>Types and Values</h2>
 286 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 287 <colgroup>
 288 <col width="150px" class="other_proto_type">
 289 <col class="other_proto_name">
 290 </colgroup>
 291 <tbody>
 292 <tr>
 293 <td class="define_keyword">#define</td>
 294 <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>
 295 </tr>
 296 <tr>
 297 <td class="typedef_keyword">typedef</td>
 298 <td class="function_name"><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t">hb_set_t</a></td>
 299 </tr>
 300 </tbody>
 301 </table></div>
 302 </div>
 303 <div class="refsect1">
 304 <a name="harfbuzz-hb-set.includes"></a><h2>Includes</h2>
 305 <pre class="synopsis">#include &lt;hb.h&gt;
 306 </pre>
 307 </div>
 308 <div class="refsect1">
 309 <a name="harfbuzz-hb-set.description"></a><h2>Description</h2>
 310 <p>Set objects represent a mathematical set of integer values.  They are
 311 used in non-shaping APIs to query certain sets of characters or glyphs,
 312 or other integer values.</p>
 313 </div>
 314 <div class="refsect1">
 315 <a name="harfbuzz-hb-set.functions_details"></a><h2>Functions</h2>
 316 <div class="refsect2">
 317 <a name="hb-set-add"></a><h3>hb_set_add ()</h3>
 318 <pre class="programlisting"><span class="returnvalue">void</span>
 319 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>,
 320             <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>
 321 <p>Adds <em class="parameter"><code>codepoint</code></em>
 322  to <em class="parameter"><code>set</code></em>
 323 .</p>
 324 <div class="refsect3">
 325 <a name="hb-set-add.parameters"></a><h4>Parameters</h4>
 326 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 327 <colgroup>
 328 <col width="150px" class="parameters_name">
 329 <col class="parameters_description">
 330 <col width="200px" class="parameters_annotations">
 331 </colgroup>
 332 <tbody>
 333 <tr>
 334 <td class="parameter_name"><p>set</p></td>
 335 <td class="parameter_description"><p>A set</p></td>
 336 <td class="parameter_annotations"> </td>
 337 </tr>
 338 <tr>
 339 <td class="parameter_name"><p>codepoint</p></td>
 340 <td class="parameter_description"><p>The element to add to <em class="parameter"><code>set</code></em>
 341 </p></td>
 342 <td class="parameter_annotations"> </td>
 343 </tr>
 344 </tbody>
 345 </table></div>
 346 </div>
 347 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 348 </div>
 349 <hr>
 350 <div class="refsect2">
 351 <a name="hb-set-add-range"></a><h3>hb_set_add_range ()</h3>
 352 <pre class="programlisting"><span class="returnvalue">void</span>
 353 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>,
 354                   <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>,
 355                   <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>
 356 <p>Adds all of the elements from <em class="parameter"><code>first</code></em>
 357  to <em class="parameter"><code>last</code></em>
 358
 359 (inclusive) to <em class="parameter"><code>set</code></em>
 360 .</p>
 361 <div class="refsect3">
 362 <a name="hb-set-add-range.parameters"></a><h4>Parameters</h4>
 363 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 364 <colgroup>
 365 <col width="150px" class="parameters_name">
 366 <col class="parameters_description">
 367 <col width="200px" class="parameters_annotations">
 368 </colgroup>
 369 <tbody>
 370 <tr>
 371 <td class="parameter_name"><p>set</p></td>
 372 <td class="parameter_description"><p>A set</p></td>
 373 <td class="parameter_annotations"> </td>
 374 </tr>
 375 <tr>
 376 <td class="parameter_name"><p>first</p></td>
 377 <td class="parameter_description"><p>The first element to add to <em class="parameter"><code>set</code></em>
 378 </p></td>
 379 <td class="parameter_annotations"> </td>
 380 </tr>
 381 <tr>
 382 <td class="parameter_name"><p>last</p></td>
 383 <td class="parameter_description"><p>The final element to add to <em class="parameter"><code>set</code></em>
 384 </p></td>
 385 <td class="parameter_annotations"> </td>
 386 </tr>
 387 </tbody>
 388 </table></div>
 389 </div>
 390 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 391 </div>
 392 <hr>
 393 <div class="refsect2">
 394 <a name="hb-set-allocation-successful"></a><h3>hb_set_allocation_successful ()</h3>
 395 <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>
 396 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>
 397 <p>Tests whether memory allocation for a set was successful.</p>
 398 <div class="refsect3">
 399 <a name="hb-set-allocation-successful.parameters"></a><h4>Parameters</h4>
 400 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 401 <colgroup>
 402 <col width="150px" class="parameters_name">
 403 <col class="parameters_description">
 404 <col width="200px" class="parameters_annotations">
 405 </colgroup>
 406 <tbody><tr>
 407 <td class="parameter_name"><p>set</p></td>
 408 <td class="parameter_description"><p>A set</p></td>
 409 <td class="parameter_annotations"> </td>
 410 </tr></tbody>
 411 </table></div>
 412 </div>
 413 <div class="refsect3">
 414 <a name="hb-set-allocation-successful.returns"></a><h4>Returns</h4>
 415 <p> <code class="literal">true</code> if allocation succeeded, <code class="literal">false</code> otherwise</p>
 416 </div>
 417 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 418 </div>
 419 <hr>
 420 <div class="refsect2">
 421 <a name="hb-set-copy"></a><h3>hb_set_copy ()</h3>
 422 <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> *
 423 hb_set_copy (<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>
 424 <p>Allocate a copy of <em class="parameter"><code>set</code></em>
 425 .</p>
 426 <div class="refsect3">
 427 <a name="hb-set-copy.parameters"></a><h4>Parameters</h4>
 428 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 429 <colgroup>
 430 <col width="150px" class="parameters_name">
 431 <col class="parameters_description">
 432 <col width="200px" class="parameters_annotations">
 433 </colgroup>
 434 <tbody><tr>
 435 <td class="parameter_name"><p>set</p></td>
 436 <td class="parameter_description"><p>A set</p></td>
 437 <td class="parameter_annotations"> </td>
 438 </tr></tbody>
 439 </table></div>
 440 </div>
 441 <div class="refsect3">
 442 <a name="hb-set-copy.returns"></a><h4>Returns</h4>
 443 <p> Newly-allocated set.</p>
 444 </div>
 445 <p class="since">Since: <a class="link" href="api-index-2-8-2.html#api-index-2.8.2">2.8.2</a></p>
 446 </div>
 447 <hr>
 448 <div class="refsect2">
 449 <a name="hb-set-clear"></a><h3>hb_set_clear ()</h3>
 450 <pre class="programlisting"><span class="returnvalue">void</span>
 451 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>
 452 <p>Clears out the contents of a set.</p>
 453 <div class="refsect3">
 454 <a name="hb-set-clear.parameters"></a><h4>Parameters</h4>
 455 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 456 <colgroup>
 457 <col width="150px" class="parameters_name">
 458 <col class="parameters_description">
 459 <col width="200px" class="parameters_annotations">
 460 </colgroup>
 461 <tbody><tr>
 462 <td class="parameter_name"><p>set</p></td>
 463 <td class="parameter_description"><p>A set</p></td>
 464 <td class="parameter_annotations"> </td>
 465 </tr></tbody>
 466 </table></div>
 467 </div>
 468 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 469 </div>
 470 <hr>
 471 <div class="refsect2">
 472 <a name="hb-set-create"></a><h3>hb_set_create ()</h3>
 473 <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> *
 474 hb_set_create (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
 475 <p>Creates a new, initially empty set.</p>
 476 <p><span class="annotation">[Xconstructor]</span></p>
 477 <div class="refsect3">
 478 <a name="hb-set-create.returns"></a><h4>Returns</h4>
 479 <p>The new <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a>. </p>
 480 <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
 481 </div>
 482 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 483 </div>
 484 <hr>
 485 <div class="refsect2">
 486 <a name="hb-set-del"></a><h3>hb_set_del ()</h3>
 487 <pre class="programlisting"><span class="returnvalue">void</span>
 488 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>,
 489             <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>
 490 <p>Removes <em class="parameter"><code>codepoint</code></em>
 491  from <em class="parameter"><code>set</code></em>
 492 .</p>
 493 <div class="refsect3">
 494 <a name="hb-set-del.parameters"></a><h4>Parameters</h4>
 495 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 496 <colgroup>
 497 <col width="150px" class="parameters_name">
 498 <col class="parameters_description">
 499 <col width="200px" class="parameters_annotations">
 500 </colgroup>
 501 <tbody>
 502 <tr>
 503 <td class="parameter_name"><p>set</p></td>
 504 <td class="parameter_description"><p>A set</p></td>
 505 <td class="parameter_annotations"> </td>
 506 </tr>
 507 <tr>
 508 <td class="parameter_name"><p>codepoint</p></td>
 509 <td class="parameter_description"><p>Removes <em class="parameter"><code>codepoint</code></em>
 510 from <em class="parameter"><code>set</code></em>
 511 </p></td>
 512 <td class="parameter_annotations"> </td>
 513 </tr>
 514 </tbody>
 515 </table></div>
 516 </div>
 517 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 518 </div>
 519 <hr>
 520 <div class="refsect2">
 521 <a name="hb-set-del-range"></a><h3>hb_set_del_range ()</h3>
 522 <pre class="programlisting"><span class="returnvalue">void</span>
 523 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>,
 524                   <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>,
 525                   <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>
 526 <p>Removes all of the elements from <em class="parameter"><code>first</code></em>
 527  to <em class="parameter"><code>last</code></em>
 528
 529 (inclusive) from <em class="parameter"><code>set</code></em>
 530 .</p>
 531 <p>If <em class="parameter"><code>last</code></em>
 532  is <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><span class="type">HB_SET_VALUE_INVALID</span></a>, then all values
 533 greater than or equal to <em class="parameter"><code>first</code></em>
 534  are removed.</p>
 535 <div class="refsect3">
 536 <a name="hb-set-del-range.parameters"></a><h4>Parameters</h4>
 537 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 538 <colgroup>
 539 <col width="150px" class="parameters_name">
 540 <col class="parameters_description">
 541 <col width="200px" class="parameters_annotations">
 542 </colgroup>
 543 <tbody>
 544 <tr>
 545 <td class="parameter_name"><p>set</p></td>
 546 <td class="parameter_description"><p>A set</p></td>
 547 <td class="parameter_annotations"> </td>
 548 </tr>
 549 <tr>
 550 <td class="parameter_name"><p>first</p></td>
 551 <td class="parameter_description"><p>The first element to remove from <em class="parameter"><code>set</code></em>
 552 </p></td>
 553 <td class="parameter_annotations"> </td>
 554 </tr>
 555 <tr>
 556 <td class="parameter_name"><p>last</p></td>
 557 <td class="parameter_description"><p>The final element to remove from <em class="parameter"><code>set</code></em>
 558 </p></td>
 559 <td class="parameter_annotations"> </td>
 560 </tr>
 561 </tbody>
 562 </table></div>
 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-destroy"></a><h3>hb_set_destroy ()</h3>
 569 <pre class="programlisting"><span class="returnvalue">void</span>
 570 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>
 571 <p>Decreases the reference count on a set. When
 572 the reference count reaches zero, the set is
 573 destroyed, freeing all memory.</p>
 574 <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
 575 <div class="refsect3">
 576 <a name="hb-set-destroy.parameters"></a><h4>Parameters</h4>
 577 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 578 <colgroup>
 579 <col width="150px" class="parameters_name">
 580 <col class="parameters_description">
 581 <col width="200px" class="parameters_annotations">
 582 </colgroup>
 583 <tbody><tr>
 584 <td class="parameter_name"><p>set</p></td>
 585 <td class="parameter_description"><p>A set</p></td>
 586 <td class="parameter_annotations"> </td>
 587 </tr></tbody>
 588 </table></div>
 589 </div>
 590 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 591 </div>
 592 <hr>
 593 <div class="refsect2">
 594 <a name="hb-set-get-empty"></a><h3>hb_set_get_empty ()</h3>
 595 <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> *
 596 hb_set_get_empty (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
 597 <p>Fetches the singleton empty <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a>.</p>
 598 <div class="refsect3">
 599 <a name="hb-set-get-empty.returns"></a><h4>Returns</h4>
 600 <p>The empty <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a>. </p>
 601 <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
 602 </div>
 603 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 604 </div>
 605 <hr>
 606 <div class="refsect2">
 607 <a name="hb-set-get-max"></a><h3>hb_set_get_max ()</h3>
 608 <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>
 609 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>
 610 <p>Finds the largest element in the set.</p>
 611 <div class="refsect3">
 612 <a name="hb-set-get-max.parameters"></a><h4>Parameters</h4>
 613 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 614 <colgroup>
 615 <col width="150px" class="parameters_name">
 616 <col class="parameters_description">
 617 <col width="200px" class="parameters_annotations">
 618 </colgroup>
 619 <tbody><tr>
 620 <td class="parameter_name"><p>set</p></td>
 621 <td class="parameter_description"><p>A set</p></td>
 622 <td class="parameter_annotations"> </td>
 623 </tr></tbody>
 624 </table></div>
 625 </div>
 626 <div class="refsect3">
 627 <a name="hb-set-get-max.returns"></a><h4>Returns</h4>
 628 <p> maximum of <em class="parameter"><code>set</code></em>
 629 , or <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><span class="type">HB_SET_VALUE_INVALID</span></a> if <em class="parameter"><code>set</code></em>
 630 is empty.</p>
 631 </div>
 632 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 633 </div>
 634 <hr>
 635 <div class="refsect2">
 636 <a name="hb-set-get-min"></a><h3>hb_set_get_min ()</h3>
 637 <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>
 638 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>
 639 <p>Finds the smallest element in the set.</p>
 640 <div class="refsect3">
 641 <a name="hb-set-get-min.parameters"></a><h4>Parameters</h4>
 642 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 643 <colgroup>
 644 <col width="150px" class="parameters_name">
 645 <col class="parameters_description">
 646 <col width="200px" class="parameters_annotations">
 647 </colgroup>
 648 <tbody><tr>
 649 <td class="parameter_name"><p>set</p></td>
 650 <td class="parameter_description"><p>A set</p></td>
 651 <td class="parameter_annotations"> </td>
 652 </tr></tbody>
 653 </table></div>
 654 </div>
 655 <div class="refsect3">
 656 <a name="hb-set-get-min.returns"></a><h4>Returns</h4>
 657 <p> minimum of <em class="parameter"><code>set</code></em>
 658 , or <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><span class="type">HB_SET_VALUE_INVALID</span></a> if <em class="parameter"><code>set</code></em>
 659 is empty.</p>
 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-get-population"></a><h3>hb_set_get_population ()</h3>
 666 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 667 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>
 668 <p>Returns the number of elements in the set.</p>
 669 <div class="refsect3">
 670 <a name="hb-set-get-population.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><tr>
 678 <td class="parameter_name"><p>set</p></td>
 679 <td class="parameter_description"><p>A set</p></td>
 680 <td class="parameter_annotations"> </td>
 681 </tr></tbody>
 682 </table></div>
 683 </div>
 684 <div class="refsect3">
 685 <a name="hb-set-get-population.returns"></a><h4>Returns</h4>
 686 <p> The population of <em class="parameter"><code>set</code></em>
 687 </p>
 688 </div>
 689 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 690 </div>
 691 <hr>
 692 <div class="refsect2">
 693 <a name="hb-set-get-user-data"></a><h3>hb_set_get_user_data ()</h3>
 694 <pre class="programlisting"><span class="returnvalue">void</span> *
 695 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>,
 696                       <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>
 697 <p>Fetches the user data associated with the specified key,
 698 attached to the specified set.</p>
 699 <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
 700 <div class="refsect3">
 701 <a name="hb-set-get-user-data.parameters"></a><h4>Parameters</h4>
 702 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 703 <colgroup>
 704 <col width="150px" class="parameters_name">
 705 <col class="parameters_description">
 706 <col width="200px" class="parameters_annotations">
 707 </colgroup>
 708 <tbody>
 709 <tr>
 710 <td class="parameter_name"><p>set</p></td>
 711 <td class="parameter_description"><p>A set</p></td>
 712 <td class="parameter_annotations"> </td>
 713 </tr>
 714 <tr>
 715 <td class="parameter_name"><p>key</p></td>
 716 <td class="parameter_description"><p>The user-data key to query</p></td>
 717 <td class="parameter_annotations"> </td>
 718 </tr>
 719 </tbody>
 720 </table></div>
 721 </div>
 722 <div class="refsect3">
 723 <a name="hb-set-get-user-data.returns"></a><h4>Returns</h4>
 724 <p>A pointer to the user data. </p>
 725 <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
 726 </div>
 727 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 728 </div>
 729 <hr>
 730 <div class="refsect2">
 731 <a name="hb-set-has"></a><h3>hb_set_has ()</h3>
 732 <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>
 733 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>,
 734             <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>
 735 <p>Tests whether <em class="parameter"><code>codepoint</code></em>
 736  belongs to <em class="parameter"><code>set</code></em>
 737 .</p>
 738 <div class="refsect3">
 739 <a name="hb-set-has.parameters"></a><h4>Parameters</h4>
 740 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 741 <colgroup>
 742 <col width="150px" class="parameters_name">
 743 <col class="parameters_description">
 744 <col width="200px" class="parameters_annotations">
 745 </colgroup>
 746 <tbody>
 747 <tr>
 748 <td class="parameter_name"><p>set</p></td>
 749 <td class="parameter_description"><p>A set</p></td>
 750 <td class="parameter_annotations"> </td>
 751 </tr>
 752 <tr>
 753 <td class="parameter_name"><p>codepoint</p></td>
 754 <td class="parameter_description"><p>The element to query</p></td>
 755 <td class="parameter_annotations"> </td>
 756 </tr>
 757 </tbody>
 758 </table></div>
 759 </div>
 760 <div class="refsect3">
 761 <a name="hb-set-has.returns"></a><h4>Returns</h4>
 762 <p> <code class="literal">true</code> if <em class="parameter"><code>codepoint</code></em>
 763 is in <em class="parameter"><code>set</code></em>
 764 , <code class="literal">false</code> otherwise</p>
 765 </div>
 766 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 767 </div>
 768 <hr>
 769 <div class="refsect2">
 770 <a name="hb-set-intersect"></a><h3>hb_set_intersect ()</h3>
 771 <pre class="programlisting"><span class="returnvalue">void</span>
 772 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>,
 773                   <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>
 774 <p>Makes <em class="parameter"><code>set</code></em>
 775  the intersection of <em class="parameter"><code>set</code></em>
 776  and <em class="parameter"><code>other</code></em>
 777 .</p>
 778 <div class="refsect3">
 779 <a name="hb-set-intersect.parameters"></a><h4>Parameters</h4>
 780 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 781 <colgroup>
 782 <col width="150px" class="parameters_name">
 783 <col class="parameters_description">
 784 <col width="200px" class="parameters_annotations">
 785 </colgroup>
 786 <tbody>
 787 <tr>
 788 <td class="parameter_name"><p>set</p></td>
 789 <td class="parameter_description"><p>A set</p></td>
 790 <td class="parameter_annotations"> </td>
 791 </tr>
 792 <tr>
 793 <td class="parameter_name"><p>other</p></td>
 794 <td class="parameter_description"><p>Another set</p></td>
 795 <td class="parameter_annotations"> </td>
 796 </tr>
 797 </tbody>
 798 </table></div>
 799 </div>
 800 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 801 </div>
 802 <hr>
 803 <div class="refsect2">
 804 <a name="hb-set-invert"></a><h3>hb_set_invert ()</h3>
 805 <pre class="programlisting"><span class="returnvalue">void</span>
 806 hb_set_invert (<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>
 807 <p>Inverts the contents of <em class="parameter"><code>set</code></em>
 808 .</p>
 809 <div class="refsect3">
 810 <a name="hb-set-invert.parameters"></a><h4>Parameters</h4>
 811 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 812 <colgroup>
 813 <col width="150px" class="parameters_name">
 814 <col class="parameters_description">
 815 <col width="200px" class="parameters_annotations">
 816 </colgroup>
 817 <tbody><tr>
 818 <td class="parameter_name"><p>set</p></td>
 819 <td class="parameter_description"><p>A set</p></td>
 820 <td class="parameter_annotations"> </td>
 821 </tr></tbody>
 822 </table></div>
 823 </div>
 824 <p class="since">Since: <a class="link" href="api-index-3-0-0.html#api-index-3.0.0">3.0.0</a></p>
 825 </div>
 826 <hr>
 827 <div class="refsect2">
 828 <a name="hb-set-is-empty"></a><h3>hb_set_is_empty ()</h3>
 829 <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>
 830 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>
 831 <p>Tests whether a set is empty (contains no elements).</p>
 832 <div class="refsect3">
 833 <a name="hb-set-is-empty.parameters"></a><h4>Parameters</h4>
 834 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 835 <colgroup>
 836 <col width="150px" class="parameters_name">
 837 <col class="parameters_description">
 838 <col width="200px" class="parameters_annotations">
 839 </colgroup>
 840 <tbody><tr>
 841 <td class="parameter_name"><p>set</p></td>
 842 <td class="parameter_description"><p>a set.</p></td>
 843 <td class="parameter_annotations"> </td>
 844 </tr></tbody>
 845 </table></div>
 846 </div>
 847 <div class="refsect3">
 848 <a name="hb-set-is-empty.returns"></a><h4>Returns</h4>
 849 <p> <code class="literal">true</code> if <em class="parameter"><code>set</code></em>
 850 is empty</p>
 851 </div>
 852 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 853 </div>
 854 <hr>
 855 <div class="refsect2">
 856 <a name="hb-set-is-equal"></a><h3>hb_set_is_equal ()</h3>
 857 <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>
 858 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>,
 859                  <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>
 860 <p>Tests whether <em class="parameter"><code>set</code></em>
 861  and <em class="parameter"><code>other</code></em>
 862  are equal (contain the same
 863 elements).</p>
 864 <div class="refsect3">
 865 <a name="hb-set-is-equal.parameters"></a><h4>Parameters</h4>
 866 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 867 <colgroup>
 868 <col width="150px" class="parameters_name">
 869 <col class="parameters_description">
 870 <col width="200px" class="parameters_annotations">
 871 </colgroup>
 872 <tbody>
 873 <tr>
 874 <td class="parameter_name"><p>set</p></td>
 875 <td class="parameter_description"><p>A set</p></td>
 876 <td class="parameter_annotations"> </td>
 877 </tr>
 878 <tr>
 879 <td class="parameter_name"><p>other</p></td>
 880 <td class="parameter_description"><p>Another set</p></td>
 881 <td class="parameter_annotations"> </td>
 882 </tr>
 883 </tbody>
 884 </table></div>
 885 </div>
 886 <div class="refsect3">
 887 <a name="hb-set-is-equal.returns"></a><h4>Returns</h4>
 888 <p> <code class="literal">true</code> if the two sets are equal, <code class="literal">false</code> otherwise.</p>
 889 </div>
 890 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
 891 </div>
 892 <hr>
 893 <div class="refsect2">
 894 <a name="hb-set-is-subset"></a><h3>hb_set_is_subset ()</h3>
 895 <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>
 896 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>,
 897                   <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>
 898 <p>Tests whether <em class="parameter"><code>set</code></em>
 899  is a subset of <em class="parameter"><code>larger_set</code></em>
 900 .</p>
 901 <div class="refsect3">
 902 <a name="hb-set-is-subset.parameters"></a><h4>Parameters</h4>
 903 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 904 <colgroup>
 905 <col width="150px" class="parameters_name">
 906 <col class="parameters_description">
 907 <col width="200px" class="parameters_annotations">
 908 </colgroup>
 909 <tbody>
 910 <tr>
 911 <td class="parameter_name"><p>set</p></td>
 912 <td class="parameter_description"><p>A set</p></td>
 913 <td class="parameter_annotations"> </td>
 914 </tr>
 915 <tr>
 916 <td class="parameter_name"><p>larger_set</p></td>
 917 <td class="parameter_description"><p>Another set</p></td>
 918 <td class="parameter_annotations"> </td>
 919 </tr>
 920 </tbody>
 921 </table></div>
 922 </div>
 923 <div class="refsect3">
 924 <a name="hb-set-is-subset.returns"></a><h4>Returns</h4>
 925 <p> <code class="literal">true</code> if the <em class="parameter"><code>set</code></em>
 926 is a subset of (or equal to) <em class="parameter"><code>larger_set</code></em>
 927 , <code class="literal">false</code> otherwise.</p>
 928 </div>
 929 <p class="since">Since: <a class="link" href="api-index-1-8-1.html#api-index-1.8.1">1.8.1</a></p>
 930 </div>
 931 <hr>
 932 <div class="refsect2">
 933 <a name="hb-set-next"></a><h3>hb_set_next ()</h3>
 934 <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>
 935 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>,
 936              <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>
 937 <p>Fetches the next element in <em class="parameter"><code>set</code></em>
 938  that is greater than current value of <em class="parameter"><code>codepoint</code></em>
 939 .</p>
 940 <p>Set <em class="parameter"><code>codepoint</code></em>
 941  to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><span class="type">HB_SET_VALUE_INVALID</span></a> to get started.</p>
 942 <div class="refsect3">
 943 <a name="hb-set-next.parameters"></a><h4>Parameters</h4>
 944 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 945 <colgroup>
 946 <col width="150px" class="parameters_name">
 947 <col class="parameters_description">
 948 <col width="200px" class="parameters_annotations">
 949 </colgroup>
 950 <tbody>
 951 <tr>
 952 <td class="parameter_name"><p>set</p></td>
 953 <td class="parameter_description"><p>A set</p></td>
 954 <td class="parameter_annotations"> </td>
 955 </tr>
 956 <tr>
 957 <td class="parameter_name"><p>codepoint</p></td>
 958 <td class="parameter_description"><p>Input = Code point to query
 959 Output = Code point retrieved. </p></td>
 960 <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>
 961 </tr>
 962 </tbody>
 963 </table></div>
 964 </div>
 965 <div class="refsect3">
 966 <a name="hb-set-next.returns"></a><h4>Returns</h4>
 967 <p> <code class="literal">true</code> if there was a next value, <code class="literal">false</code> otherwise</p>
 968 </div>
 969 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 970 </div>
 971 <hr>
 972 <div class="refsect2">
 973 <a name="hb-set-next-range"></a><h3>hb_set_next_range ()</h3>
 974 <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>
 975 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>,
 976                    <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>,
 977                    <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>
 978 <p>Fetches the next consecutive range of elements in <em class="parameter"><code>set</code></em>
 979  that
 980 are greater than current value of <em class="parameter"><code>last</code></em>
 981 .</p>
 982 <p>Set <em class="parameter"><code>last</code></em>
 983  to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><span class="type">HB_SET_VALUE_INVALID</span></a> to get started.</p>
 984 <div class="refsect3">
 985 <a name="hb-set-next-range.parameters"></a><h4>Parameters</h4>
 986 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 987 <colgroup>
 988 <col width="150px" class="parameters_name">
 989 <col class="parameters_description">
 990 <col width="200px" class="parameters_annotations">
 991 </colgroup>
 992 <tbody>
 993 <tr>
 994 <td class="parameter_name"><p>set</p></td>
 995 <td class="parameter_description"><p>A set</p></td>
 996 <td class="parameter_annotations"> </td>
 997 </tr>
 998 <tr>
 999 <td class="parameter_name"><p>first</p></td>
1000 <td class="parameter_description"><p>The first code point in the range. </p></td>
1001 <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>
1002 </tr>
1003 <tr>
1004 <td class="parameter_name"><p>last</p></td>
1005 <td class="parameter_description"><p>Input = The current last code point in the range
1006 Output = The last code point in the range. </p></td>
1007 <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>
1008 </tr>
1009 </tbody>
1010 </table></div>
1011 </div>
1012 <div class="refsect3">
1013 <a name="hb-set-next-range.returns"></a><h4>Returns</h4>
1014 <p> <code class="literal">true</code> if there was a next range, <code class="literal">false</code> otherwise</p>
1015 </div>
1016 <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p>
1017 </div>
1018 <hr>
1019 <div class="refsect2">
1020 <a name="hb-set-previous"></a><h3>hb_set_previous ()</h3>
1021 <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>
1022 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>,
1023                  <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>
1024 <p>Fetches the previous element in <em class="parameter"><code>set</code></em>
1025  that is lower than current value of <em class="parameter"><code>codepoint</code></em>
1026 .</p>
1027 <p>Set <em class="parameter"><code>codepoint</code></em>
1028  to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><span class="type">HB_SET_VALUE_INVALID</span></a> to get started.</p>
1029 <div class="refsect3">
1030 <a name="hb-set-previous.parameters"></a><h4>Parameters</h4>
1031 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1032 <colgroup>
1033 <col width="150px" class="parameters_name">
1034 <col class="parameters_description">
1035 <col width="200px" class="parameters_annotations">
1036 </colgroup>
1037 <tbody>
1038 <tr>
1039 <td class="parameter_name"><p>set</p></td>
1040 <td class="parameter_description"><p>A set</p></td>
1041 <td class="parameter_annotations"> </td>
1042 </tr>
1043 <tr>
1044 <td class="parameter_name"><p>codepoint</p></td>
1045 <td class="parameter_description"><p>Input = Code point to query
1046 Output = Code point retrieved. </p></td>
1047 <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>
1048 </tr>
1049 </tbody>
1050 </table></div>
1051 </div>
1052 <div class="refsect3">
1053 <a name="hb-set-previous.returns"></a><h4>Returns</h4>
1054 <p> <code class="literal">true</code> if there was a previous value, <code class="literal">false</code> otherwise</p>
1055 </div>
1056 <p class="since">Since: <a class="link" href="api-index-1-8-0.html#api-index-1.8.0">1.8.0</a></p>
1057 </div>
1058 <hr>
1059 <div class="refsect2">
1060 <a name="hb-set-previous-range"></a><h3>hb_set_previous_range ()</h3>
1061 <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>
1062 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>,
1063                        <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>,
1064                        <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>
1065 <p>Fetches the previous consecutive range of elements in <em class="parameter"><code>set</code></em>
1066  that
1067 are greater than current value of <em class="parameter"><code>last</code></em>
1068 .</p>
1069 <p>Set <em class="parameter"><code>first</code></em>
1070  to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><span class="type">HB_SET_VALUE_INVALID</span></a> to get started.</p>
1071 <div class="refsect3">
1072 <a name="hb-set-previous-range.parameters"></a><h4>Parameters</h4>
1073 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1074 <colgroup>
1075 <col width="150px" class="parameters_name">
1076 <col class="parameters_description">
1077 <col width="200px" class="parameters_annotations">
1078 </colgroup>
1079 <tbody>
1080 <tr>
1081 <td class="parameter_name"><p>set</p></td>
1082 <td class="parameter_description"><p>A set</p></td>
1083 <td class="parameter_annotations"> </td>
1084 </tr>
1085 <tr>
1086 <td class="parameter_name"><p>first</p></td>
1087 <td class="parameter_description"><p>Input = The current first code point in the range
1088 Output = The first code point in the range. </p></td>
1089 <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>
1090 </tr>
1091 <tr>
1092 <td class="parameter_name"><p>last</p></td>
1093 <td class="parameter_description"><p>The last code point in the range. </p></td>
1094 <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>
1095 </tr>
1096 </tbody>
1097 </table></div>
1098 </div>
1099 <div class="refsect3">
1100 <a name="hb-set-previous-range.returns"></a><h4>Returns</h4>
1101 <p> <code class="literal">true</code> if there was a previous range, <code class="literal">false</code> otherwise</p>
1102 </div>
1103 <p class="since">Since: <a class="link" href="api-index-1-8-0.html#api-index-1.8.0">1.8.0</a></p>
1104 </div>
1105 <hr>
1106 <div class="refsect2">
1107 <a name="hb-set-reference"></a><h3>hb_set_reference ()</h3>
1108 <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> *
1109 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>
1110 <p>Increases the reference count on a set.</p>
1111 <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
1112 <div class="refsect3">
1113 <a name="hb-set-reference.parameters"></a><h4>Parameters</h4>
1114 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1115 <colgroup>
1116 <col width="150px" class="parameters_name">
1117 <col class="parameters_description">
1118 <col width="200px" class="parameters_annotations">
1119 </colgroup>
1120 <tbody><tr>
1121 <td class="parameter_name"><p>set</p></td>
1122 <td class="parameter_description"><p>A set</p></td>
1123 <td class="parameter_annotations"> </td>
1124 </tr></tbody>
1125 </table></div>
1126 </div>
1127 <div class="refsect3">
1128 <a name="hb-set-reference.returns"></a><h4>Returns</h4>
1129 <p>The set. </p>
1130 <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
1131 </div>
1132 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
1133 </div>
1134 <hr>
1135 <div class="refsect2">
1136 <a name="hb-set-set"></a><h3>hb_set_set ()</h3>
1137 <pre class="programlisting"><span class="returnvalue">void</span>
1138 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>,
1139             <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>
1140 <p>Makes the contents of <em class="parameter"><code>set</code></em>
1141  equal to the contents of <em class="parameter"><code>other</code></em>
1142 .</p>
1143 <div class="refsect3">
1144 <a name="hb-set-set.parameters"></a><h4>Parameters</h4>
1145 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1146 <colgroup>
1147 <col width="150px" class="parameters_name">
1148 <col class="parameters_description">
1149 <col width="200px" class="parameters_annotations">
1150 </colgroup>
1151 <tbody>
1152 <tr>
1153 <td class="parameter_name"><p>set</p></td>
1154 <td class="parameter_description"><p>A set</p></td>
1155 <td class="parameter_annotations"> </td>
1156 </tr>
1157 <tr>
1158 <td class="parameter_name"><p>other</p></td>
1159 <td class="parameter_description"><p>Another set</p></td>
1160 <td class="parameter_annotations"> </td>
1161 </tr>
1162 </tbody>
1163 </table></div>
1164 </div>
1165 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
1166 </div>
1167 <hr>
1168 <div class="refsect2">
1169 <a name="hb-set-set-user-data"></a><h3>hb_set_set_user_data ()</h3>
1170 <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>
1171 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>,
1172                       <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>,
1173                       <em class="parameter"><code><span class="type">void</span> *data</code></em>,
1174                       <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>,
1175                       <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>
1176 <p>Attaches a user-data key/data pair to the specified set.</p>
1177 <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
1178 <div class="refsect3">
1179 <a name="hb-set-set-user-data.parameters"></a><h4>Parameters</h4>
1180 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1181 <colgroup>
1182 <col width="150px" class="parameters_name">
1183 <col class="parameters_description">
1184 <col width="200px" class="parameters_annotations">
1185 </colgroup>
1186 <tbody>
1187 <tr>
1188 <td class="parameter_name"><p>set</p></td>
1189 <td class="parameter_description"><p>A set</p></td>
1190 <td class="parameter_annotations"> </td>
1191 </tr>
1192 <tr>
1193 <td class="parameter_name"><p>key</p></td>
1194 <td class="parameter_description"><p>The user-data key to set</p></td>
1195 <td class="parameter_annotations"> </td>
1196 </tr>
1197 <tr>
1198 <td class="parameter_name"><p>data</p></td>
1199 <td class="parameter_description"><p>A pointer to the user data to set</p></td>
1200 <td class="parameter_annotations"> </td>
1201 </tr>
1202 <tr>
1203 <td class="parameter_name"><p>destroy</p></td>
1204 <td class="parameter_description"><p>A callback to call when <em class="parameter"><code>data</code></em>
1205 is not needed anymore. </p></td>
1206 <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
1207 </tr>
1208 <tr>
1209 <td class="parameter_name"><p>replace</p></td>
1210 <td class="parameter_description"><p>Whether to replace an existing data with the same key</p></td>
1211 <td class="parameter_annotations"> </td>
1212 </tr>
1213 </tbody>
1214 </table></div>
1215 </div>
1216 <div class="refsect3">
1217 <a name="hb-set-set-user-data.returns"></a><h4>Returns</h4>
1218 <p> <code class="literal">true</code> if success, <code class="literal">false</code> otherwise</p>
1219 </div>
1220 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
1221 </div>
1222 <hr>
1223 <div class="refsect2">
1224 <a name="hb-set-subtract"></a><h3>hb_set_subtract ()</h3>
1225 <pre class="programlisting"><span class="returnvalue">void</span>
1226 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>,
1227                  <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>
1228 <p>Subtracts the contents of <em class="parameter"><code>other</code></em>
1229  from <em class="parameter"><code>set</code></em>
1230 .</p>
1231 <div class="refsect3">
1232 <a name="hb-set-subtract.parameters"></a><h4>Parameters</h4>
1233 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1234 <colgroup>
1235 <col width="150px" class="parameters_name">
1236 <col class="parameters_description">
1237 <col width="200px" class="parameters_annotations">
1238 </colgroup>
1239 <tbody>
1240 <tr>
1241 <td class="parameter_name"><p>set</p></td>
1242 <td class="parameter_description"><p>A set</p></td>
1243 <td class="parameter_annotations"> </td>
1244 </tr>
1245 <tr>
1246 <td class="parameter_name"><p>other</p></td>
1247 <td class="parameter_description"><p>Another set</p></td>
1248 <td class="parameter_annotations"> </td>
1249 </tr>
1250 </tbody>
1251 </table></div>
1252 </div>
1253 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
1254 </div>
1255 <hr>
1256 <div class="refsect2">
1257 <a name="hb-set-symmetric-difference"></a><h3>hb_set_symmetric_difference ()</h3>
1258 <pre class="programlisting"><span class="returnvalue">void</span>
1259 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>,
1260                              <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>
1261 <p>Makes <em class="parameter"><code>set</code></em>
1262  the symmetric difference of <em class="parameter"><code>set</code></em>
1263
1264 and <em class="parameter"><code>other</code></em>
1265 .</p>
1266 <div class="refsect3">
1267 <a name="hb-set-symmetric-difference.parameters"></a><h4>Parameters</h4>
1268 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1269 <colgroup>
1270 <col width="150px" class="parameters_name">
1271 <col class="parameters_description">
1272 <col width="200px" class="parameters_annotations">
1273 </colgroup>
1274 <tbody>
1275 <tr>
1276 <td class="parameter_name"><p>set</p></td>
1277 <td class="parameter_description"><p>A set</p></td>
1278 <td class="parameter_annotations"> </td>
1279 </tr>
1280 <tr>
1281 <td class="parameter_name"><p>other</p></td>
1282 <td class="parameter_description"><p>Another set</p></td>
1283 <td class="parameter_annotations"> </td>
1284 </tr>
1285 </tbody>
1286 </table></div>
1287 </div>
1288 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
1289 </div>
1290 <hr>
1291 <div class="refsect2">
1292 <a name="hb-set-union"></a><h3>hb_set_union ()</h3>
1293 <pre class="programlisting"><span class="returnvalue">void</span>
1294 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>,
1295               <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>
1296 <p>Makes <em class="parameter"><code>set</code></em>
1297  the union of <em class="parameter"><code>set</code></em>
1298  and <em class="parameter"><code>other</code></em>
1299 .</p>
1300 <div class="refsect3">
1301 <a name="hb-set-union.parameters"></a><h4>Parameters</h4>
1302 <div class="informaltable"><table class="informaltable" width="100%" border="0">
1303 <colgroup>
1304 <col width="150px" class="parameters_name">
1305 <col class="parameters_description">
1306 <col width="200px" class="parameters_annotations">
1307 </colgroup>
1308 <tbody>
1309 <tr>
1310 <td class="parameter_name"><p>set</p></td>
1311 <td class="parameter_description"><p>A set</p></td>
1312 <td class="parameter_annotations"> </td>
1313 </tr>
1314 <tr>
1315 <td class="parameter_name"><p>other</p></td>
1316 <td class="parameter_description"><p>Another set</p></td>
1317 <td class="parameter_annotations"> </td>
1318 </tr>
1319 </tbody>
1320 </table></div>
1321 </div>
1322 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
1323 </div>
1324 </div>
1325 <div class="refsect1">
1326 <a name="harfbuzz-hb-set.other_details"></a><h2>Types and Values</h2>
1327 <div class="refsect2">
1328 <a name="HB-SET-VALUE-INVALID:CAPS"></a><h3>HB_SET_VALUE_INVALID</h3>
1329 <pre class="programlisting">#define HB_SET_VALUE_INVALID ((hb_codepoint_t) -1)
1330 </pre>
1331 <p>Unset <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> value.</p>
1332 <p class="since">Since: <a class="link" href="api-index-0-9-21.html#api-index-0.9.21">0.9.21</a></p>
1333 </div>
1334 <hr>
1335 <div class="refsect2">
1336 <a name="hb-set-t"></a><h3>hb_set_t</h3>
1337 <pre class="programlisting">typedef struct hb_set_t hb_set_t;
1338 </pre>
1339 <p>Data type for holding a set of integers. <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a>'s are
1340 used to gather and contain glyph IDs, Unicode code
1341 points, and various other collections of discrete
1342
1343 values.</p>
1344 </div>
1345 </div>
1346 </div>
1347 <div class="footer">
1348 <hr>Generated by GTK-Doc V1.32</div>
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1350 </html>