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  25 <div class="refentry">
  26 <a name="harfbuzz-hb-deprecated"></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-deprecated.top_of_page"></a>hb-deprecated</span></h2>
  30 <p>hb-deprecated — Deprecated API</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-deprecated.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 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
  45 </td>
  46 <td class="function_name">
  47 <span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-deprecated.html#hb-font-get-glyph-func-t" title="hb_font_get_glyph_func_t ()">*hb_font_get_glyph_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
  48 </td>
  49 </tr>
  50 <tr>
  51 <td class="function_type">
  52 <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
  53 </td>
  54 <td class="function_name">
  55 <a class="link" href="harfbuzz-hb-deprecated.html#hb-ot-layout-table-find-script" title="hb_ot_layout_table_find_script ()">hb_ot_layout_table_find_script</a> <span class="c_punctuation">()</span>
  56 </td>
  57 </tr>
  58 <tr>
  59 <td class="function_type">unsigned <span class="returnvalue">int</span>
  60 </td>
  61 <td class="function_name">
  62 <span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-eastasian-width-func-t" title="hb_unicode_eastasian_width_func_t ()">*hb_unicode_eastasian_width_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
  63 </td>
  64 </tr>
  65 <tr>
  66 <td class="function_type">unsigned <span class="returnvalue">int</span>
  67 </td>
  68 <td class="function_name">
  69 <a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-eastasian-width" title="hb_unicode_eastasian_width ()">hb_unicode_eastasian_width</a> <span class="c_punctuation">()</span>
  70 </td>
  71 </tr>
  72 <tr>
  73 <td class="function_type">
  74 <span class="returnvalue">void</span>
  75 </td>
  76 <td class="function_name">
  77 <a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-funcs-set-eastasian-width-func" title="hb_unicode_funcs_set_eastasian_width_func ()">hb_unicode_funcs_set_eastasian_width_func</a> <span class="c_punctuation">()</span>
  78 </td>
  79 </tr>
  80 <tr>
  81 <td class="function_type">unsigned <span class="returnvalue">int</span>
  82 </td>
  83 <td class="function_name">
  84 <span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-decompose-compatibility-func-t" title="hb_unicode_decompose_compatibility_func_t ()">*hb_unicode_decompose_compatibility_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
  85 </td>
  86 </tr>
  87 <tr>
  88 <td class="function_type">unsigned <span class="returnvalue">int</span>
  89 </td>
  90 <td class="function_name">
  91 <a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-decompose-compatibility" title="hb_unicode_decompose_compatibility ()">hb_unicode_decompose_compatibility</a> <span class="c_punctuation">()</span>
  92 </td>
  93 </tr>
  94 <tr>
  95 <td class="function_type">
  96 <span class="returnvalue">void</span>
  97 </td>
  98 <td class="function_name">
  99 <a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-funcs-set-decompose-compatibility-func" title="hb_unicode_funcs_set_decompose_compatibility_func ()">hb_unicode_funcs_set_decompose_compatibility_func</a> <span class="c_punctuation">()</span>
 100 </td>
 101 </tr>
 102 <tr>
 103 <td class="function_type">
 104 <span class="returnvalue">void</span>
 105 </td>
 106 <td class="function_name">
 107 <a class="link" href="harfbuzz-hb-deprecated.html#hb-font-funcs-set-glyph-v-kerning-func" title="hb_font_funcs_set_glyph_v_kerning_func ()">hb_font_funcs_set_glyph_v_kerning_func</a> <span class="c_punctuation">()</span>
 108 </td>
 109 </tr>
 110 <tr>
 111 <td class="function_type">
 112 <a class="link" href="harfbuzz-hb-common.html#hb-position-t" title="hb_position_t"><span class="returnvalue">hb_position_t</span></a>
 113 </td>
 114 <td class="function_name">
 115 <a class="link" href="harfbuzz-hb-deprecated.html#hb-font-get-glyph-v-kerning" title="hb_font_get_glyph_v_kerning ()">hb_font_get_glyph_v_kerning</a> <span class="c_punctuation">()</span>
 116 </td>
 117 </tr>
 118 </tbody>
 119 </table></div>
 120 </div>
 121 <div class="refsect1">
 122 <a name="harfbuzz-hb-deprecated.other"></a><h2>Types and Values</h2>
 123 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 124 <colgroup>
 125 <col width="150px" class="other_proto_type">
 126 <col class="other_proto_name">
 127 </colgroup>
 128 <tbody>
 129 <tr>
 130 <td class="define_keyword">#define</td>
 131 <td class="function_name"><a class="link" href="harfbuzz-hb-deprecated.html#HB-BUFFER-FLAGS-DEFAULT:CAPS" title="HB_BUFFER_FLAGS_DEFAULT">HB_BUFFER_FLAGS_DEFAULT</a></td>
 132 </tr>
 133 <tr>
 134 <td class="define_keyword">#define</td>
 135 <td class="function_name"><a class="link" href="harfbuzz-hb-deprecated.html#HB-BUFFER-SERIALIZE-FLAGS-DEFAULT:CAPS" title="HB_BUFFER_SERIALIZE_FLAGS_DEFAULT">HB_BUFFER_SERIALIZE_FLAGS_DEFAULT</a></td>
 136 </tr>
 137 <tr>
 138 <td class="define_keyword">#define</td>
 139 <td class="function_name"><a class="link" href="harfbuzz-hb-deprecated.html#HB-SCRIPT-CANADIAN-ABORIGINAL:CAPS" title="HB_SCRIPT_CANADIAN_ABORIGINAL">HB_SCRIPT_CANADIAN_ABORIGINAL</a></td>
 140 </tr>
 141 <tr>
 142 <td class="define_keyword">#define</td>
 143 <td class="function_name"><a class="link" href="harfbuzz-hb-deprecated.html#HB-MATH-GLYPH-PART-FLAG-EXTENDER:CAPS" title="HB_MATH_GLYPH_PART_FLAG_EXTENDER">HB_MATH_GLYPH_PART_FLAG_EXTENDER</a></td>
 144 </tr>
 145 <tr>
 146 <td class="define_keyword">#define</td>
 147 <td class="function_name"><a class="link" href="harfbuzz-hb-deprecated.html#HB-OT-MATH-SCRIPT:CAPS" title="HB_OT_MATH_SCRIPT">HB_OT_MATH_SCRIPT</a></td>
 148 </tr>
 149 <tr>
 150 <td class="define_keyword">#define</td>
 151 <td class="function_name"><a class="link" href="harfbuzz-hb-deprecated.html#HB-OT-VAR-NO-AXIS-INDEX:CAPS" title="HB_OT_VAR_NO_AXIS_INDEX">HB_OT_VAR_NO_AXIS_INDEX</a></td>
 152 </tr>
 153 <tr>
 154 <td class="datatype_keyword"> </td>
 155 <td class="function_name"><a class="link" href="harfbuzz-hb-deprecated.html#hb-ot-var-axis-t" title="hb_ot_var_axis_t">hb_ot_var_axis_t</a></td>
 156 </tr>
 157 <tr>
 158 <td class="define_keyword">#define</td>
 159 <td class="function_name"><a class="link" href="harfbuzz-hb-deprecated.html#HB-UNICODE-MAX-DECOMPOSITION-LEN:CAPS" title="HB_UNICODE_MAX_DECOMPOSITION_LEN">HB_UNICODE_MAX_DECOMPOSITION_LEN</a></td>
 160 </tr>
 161 <tr>
 162 <td class="typedef_keyword">typedef</td>
 163 <td class="function_name"><a class="link" href="harfbuzz-hb-deprecated.html#hb-font-get-glyph-v-kerning-func-t" title="hb_font_get_glyph_v_kerning_func_t">hb_font_get_glyph_v_kerning_func_t</a></td>
 164 </tr>
 165 </tbody>
 166 </table></div>
 167 </div>
 168 <div class="refsect1">
 169 <a name="harfbuzz-hb-deprecated.includes"></a><h2>Includes</h2>
 170 <pre class="synopsis">#include &lt;hb.h&gt;
 171 </pre>
 172 </div>
 173 <div class="refsect1">
 174 <a name="harfbuzz-hb-deprecated.description"></a><h2>Description</h2>
 175 <p>These API have been deprecated in favor of newer API, or because they
 176 were deemed unnecessary.</p>
 177 </div>
 178 <div class="refsect1">
 179 <a name="harfbuzz-hb-deprecated.functions_details"></a><h2>Functions</h2>
 180 <div class="refsect2">
 181 <a name="hb-font-get-glyph-func-t"></a><h3>hb_font_get_glyph_func_t ()</h3>
 182 <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>
 183 <span class="c_punctuation">(</span>*hb_font_get_glyph_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> *font</code></em>,
 184                              <em class="parameter"><code><span class="type">void</span> *font_data</code></em>,
 185                              <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> unicode</code></em>,
 186                              <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> variation_selector</code></em>,
 187                              <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> *glyph</code></em>,
 188                              <em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre>
 189 <div class="warning"><p><code class="literal">hb_font_get_glyph_func_t</code> has been deprecated since version 1.2.3 and should not be used in newly-written code.</p></div>
 190 <p>A virtual method for the <a class="link" href="harfbuzz-hb-font.html#hb-font-funcs-t" title="hb_font_funcs_t"><span class="type">hb_font_funcs_t</span></a> of an <a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> object.</p>
 191 <p>This method should retrieve the glyph ID for a specified Unicode code point
 192 font, with an optional variation selector.</p>
 193 <div class="refsect3">
 194 <a name="hb-font-get-glyph-func-t.parameters"></a><h4>Parameters</h4>
 195 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 196 <colgroup>
 197 <col width="150px" class="parameters_name">
 198 <col class="parameters_description">
 199 <col width="200px" class="parameters_annotations">
 200 </colgroup>
 201 <tbody>
 202 <tr>
 203 <td class="parameter_name"><p>font</p></td>
 204 <td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> to work upon</p></td>
 205 <td class="parameter_annotations"> </td>
 206 </tr>
 207 <tr>
 208 <td class="parameter_name"><p>font_data</p></td>
 209 <td class="parameter_description"><p><em class="parameter"><code>font</code></em>
 210 user data pointer</p></td>
 211 <td class="parameter_annotations"> </td>
 212 </tr>
 213 <tr>
 214 <td class="parameter_name"><p>unicode</p></td>
 215 <td class="parameter_description"><p>The Unicode code point to query</p></td>
 216 <td class="parameter_annotations"> </td>
 217 </tr>
 218 <tr>
 219 <td class="parameter_name"><p>variation_selector</p></td>
 220 <td class="parameter_description"><p>The  variation-selector code point to query</p></td>
 221 <td class="parameter_annotations"> </td>
 222 </tr>
 223 <tr>
 224 <td class="parameter_name"><p>glyph</p></td>
 225 <td class="parameter_description"><p>The glyph ID retrieved. </p></td>
 226 <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>
 227 </tr>
 228 <tr>
 229 <td class="parameter_name"><p>user_data</p></td>
 230 <td class="parameter_description"><p>User data pointer passed by the caller</p></td>
 231 <td class="parameter_annotations"> </td>
 232 </tr>
 233 </tbody>
 234 </table></div>
 235 </div>
 236 <div class="refsect3">
 237 <a name="hb-font-get-glyph-func-t.returns"></a><h4>Returns</h4>
 238 <p> <code class="literal">true</code> if data found, <code class="literal">false</code> otherwise</p>
 239 </div>
 240 </div>
 241 <hr>
 242 <div class="refsect2">
 243 <a name="hb-ot-layout-table-find-script"></a><h3>hb_ot_layout_table_find_script ()</h3>
 244 <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>
 245 hb_ot_layout_table_find_script (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t" title="hb_face_t"><span class="type">hb_face_t</span></a> *face</code></em>,
 246                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> table_tag</code></em>,
 247                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> script_tag</code></em>,
 248                                 <em class="parameter"><code>unsigned <span class="type">int</span> *script_index</code></em>);</pre>
 249 <p>Fetches the index if a given script tag in the specified face's GSUB table
 250 or GPOS table.</p>
 251 <div class="refsect3">
 252 <a name="hb-ot-layout-table-find-script.parameters"></a><h4>Parameters</h4>
 253 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 254 <colgroup>
 255 <col width="150px" class="parameters_name">
 256 <col class="parameters_description">
 257 <col width="200px" class="parameters_annotations">
 258 </colgroup>
 259 <tbody>
 260 <tr>
 261 <td class="parameter_name"><p>face</p></td>
 262 <td class="parameter_description"><p><a class="link" href="harfbuzz-hb-face.html#hb-face-t" title="hb_face_t"><span class="type">hb_face_t</span></a> to work upon</p></td>
 263 <td class="parameter_annotations"> </td>
 264 </tr>
 265 <tr>
 266 <td class="parameter_name"><p>table_tag</p></td>
 267 <td class="parameter_description"><p><a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-TAG-GSUB:CAPS" title="HB_OT_TAG_GSUB"><span class="type">HB_OT_TAG_GSUB</span></a> or <a class="link" href="harfbuzz-hb-ot-layout.html#HB-OT-TAG-GPOS:CAPS" title="HB_OT_TAG_GPOS"><span class="type">HB_OT_TAG_GPOS</span></a></p></td>
 268 <td class="parameter_annotations"> </td>
 269 </tr>
 270 <tr>
 271 <td class="parameter_name"><p>script_tag</p></td>
 272 <td class="parameter_description"><p><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> of the script tag requested</p></td>
 273 <td class="parameter_annotations"> </td>
 274 </tr>
 275 <tr>
 276 <td class="parameter_name"><p>script_index</p></td>
 277 <td class="parameter_description"><p>The index of the requested script tag. </p></td>
 278 <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>
 279 </tr>
 280 </tbody>
 281 </table></div>
 282 </div>
 283 <div class="refsect3">
 284 <a name="hb-ot-layout-table-find-script.returns"></a><h4>Returns</h4>
 285 <p> <code class="literal">true</code> if the script is found, <code class="literal">false</code> otherwise</p>
 286 </div>
 287 </div>
 288 <hr>
 289 <div class="refsect2">
 290 <a name="hb-unicode-eastasian-width-func-t"></a><h3>hb_unicode_eastasian_width_func_t ()</h3>
 291 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 292 <span class="c_punctuation">(</span>*hb_unicode_eastasian_width_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>,
 293                                       <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> unicode</code></em>,
 294                                       <em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre>
 295 <div class="warning"><p><code class="literal">hb_unicode_eastasian_width_func_t</code> has been deprecated since version 2.0.0 and should not be used in newly-written code.</p></div>
 296 <p>A virtual method for the <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> structure.</p>
 297 <div class="refsect3">
 298 <a name="hb-unicode-eastasian-width-func-t.parameters"></a><h4>Parameters</h4>
 299 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 300 <colgroup>
 301 <col width="150px" class="parameters_name">
 302 <col class="parameters_description">
 303 <col width="200px" class="parameters_annotations">
 304 </colgroup>
 305 <tbody>
 306 <tr>
 307 <td class="parameter_name"><p>ufuncs</p></td>
 308 <td class="parameter_description"><p>A Unicode-functions structure</p></td>
 309 <td class="parameter_annotations"> </td>
 310 </tr>
 311 <tr>
 312 <td class="parameter_name"><p>unicode</p></td>
 313 <td class="parameter_description"><p>The code point to query</p></td>
 314 <td class="parameter_annotations"> </td>
 315 </tr>
 316 <tr>
 317 <td class="parameter_name"><p>user_data</p></td>
 318 <td class="parameter_description"><p>User data pointer passed by the caller</p></td>
 319 <td class="parameter_annotations"> </td>
 320 </tr>
 321 </tbody>
 322 </table></div>
 323 </div>
 324 </div>
 325 <hr>
 326 <div class="refsect2">
 327 <a name="hb-unicode-eastasian-width"></a><h3>hb_unicode_eastasian_width ()</h3>
 328 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 329 hb_unicode_eastasian_width (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>,
 330                             <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> unicode</code></em>);</pre>
 331 <div class="warning"><p><code class="literal">hb_unicode_eastasian_width</code> has been deprecated since version 2.0.0 and should not be used in newly-written code.</p></div>
 332 <p>Don't use. Not used by HarfBuzz.</p>
 333 <div class="refsect3">
 334 <a name="hb-unicode-eastasian-width.parameters"></a><h4>Parameters</h4>
 335 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 336 <colgroup>
 337 <col width="150px" class="parameters_name">
 338 <col class="parameters_description">
 339 <col width="200px" class="parameters_annotations">
 340 </colgroup>
 341 <tbody>
 342 <tr>
 343 <td class="parameter_name"><p>ufuncs</p></td>
 344 <td class="parameter_description"><p>a Unicode-function structure</p></td>
 345 <td class="parameter_annotations"> </td>
 346 </tr>
 347 <tr>
 348 <td class="parameter_name"><p>unicode</p></td>
 349 <td class="parameter_description"><p>The code point to query</p></td>
 350 <td class="parameter_annotations"> </td>
 351 </tr>
 352 </tbody>
 353 </table></div>
 354 </div>
 355 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 356 </div>
 357 <hr>
 358 <div class="refsect2">
 359 <a name="hb-unicode-funcs-set-eastasian-width-func"></a><h3>hb_unicode_funcs_set_eastasian_width_func ()</h3>
 360 <pre class="programlisting"><span class="returnvalue">void</span>
 361 hb_unicode_funcs_set_eastasian_width_func
 362                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>,
 363                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-eastasian-width-func-t" title="hb_unicode_eastasian_width_func_t ()"><span class="type">hb_unicode_eastasian_width_func_t</span></a> func</code></em>,
 364                                 <em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
 365                                 <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>);</pre>
 366 <div class="warning"><p><code class="literal">hb_unicode_funcs_set_eastasian_width_func</code> has been deprecated since version 2.0.0 and should not be used in newly-written code.</p></div>
 367 <p>Sets the implementation function for <a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-eastasian-width-func-t" title="hb_unicode_eastasian_width_func_t ()"><span class="type">hb_unicode_eastasian_width_func_t</span></a>.</p>
 368 <div class="refsect3">
 369 <a name="hb-unicode-funcs-set-eastasian-width-func.parameters"></a><h4>Parameters</h4>
 370 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 371 <colgroup>
 372 <col width="150px" class="parameters_name">
 373 <col class="parameters_description">
 374 <col width="200px" class="parameters_annotations">
 375 </colgroup>
 376 <tbody>
 377 <tr>
 378 <td class="parameter_name"><p>ufuncs</p></td>
 379 <td class="parameter_description"><p>a Unicode-function structure</p></td>
 380 <td class="parameter_annotations"> </td>
 381 </tr>
 382 <tr>
 383 <td class="parameter_name"><p>func</p></td>
 384 <td class="parameter_description"><p>The callback function to assign. </p></td>
 385 <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
 386 </tr>
 387 <tr>
 388 <td class="parameter_name"><p>user_data</p></td>
 389 <td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em>
 390 </p></td>
 391 <td class="parameter_annotations"> </td>
 392 </tr>
 393 <tr>
 394 <td class="parameter_name"><p>destroy</p></td>
 395 <td class="parameter_description"><p>The function to call when <em class="parameter"><code>user_data</code></em>
 396 is not needed anymore. </p></td>
 397 <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>
 398 </tr>
 399 </tbody>
 400 </table></div>
 401 </div>
 402 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 403 </div>
 404 <hr>
 405 <div class="refsect2">
 406 <a name="hb-unicode-decompose-compatibility-func-t"></a><h3>hb_unicode_decompose_compatibility_func_t ()</h3>
 407 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 408 <span class="c_punctuation">(</span>*hb_unicode_decompose_compatibility_func_t<span class="c_punctuation">)</span>
 409                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>,
 410                                 <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> u</code></em>,
 411                                 <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> *decomposed</code></em>,
 412                                 <em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre>
 413 <div class="warning"><p><code class="literal">hb_unicode_decompose_compatibility_func_t</code> has been deprecated since version 2.0.0 and should not be used in newly-written code.</p></div>
 414 <p>Fully decompose <em class="parameter"><code>u</code></em>
 415  to its Unicode compatibility decomposition. The codepoints of the decomposition will be written to <em class="parameter"><code>decomposed</code></em>
 416 .
 417 The complete length of the decomposition will be returned.</p>
 418 <p>If <em class="parameter"><code>u</code></em>
 419  has no compatibility decomposition, zero should be returned.</p>
 420 <p>The Unicode standard guarantees that a buffer of length <a class="link" href="harfbuzz-hb-deprecated.html#HB-UNICODE-MAX-DECOMPOSITION-LEN:CAPS" title="HB_UNICODE_MAX_DECOMPOSITION_LEN"><span class="type">HB_UNICODE_MAX_DECOMPOSITION_LEN</span></a> codepoints will always be sufficient for any
 421 compatibility decomposition plus an terminating value of 0.  Consequently, <em class="parameter"><code>decompose</code></em>
 422  must be allocated by the caller to be at least this length.  Implementations
 423 of this function type must ensure that they do not write past the provided array.</p>
 424 <div class="refsect3">
 425 <a name="hb-unicode-decompose-compatibility-func-t.parameters"></a><h4>Parameters</h4>
 426 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 427 <colgroup>
 428 <col width="150px" class="parameters_name">
 429 <col class="parameters_description">
 430 <col width="200px" class="parameters_annotations">
 431 </colgroup>
 432 <tbody>
 433 <tr>
 434 <td class="parameter_name"><p>ufuncs</p></td>
 435 <td class="parameter_description"><p>a Unicode function structure</p></td>
 436 <td class="parameter_annotations"> </td>
 437 </tr>
 438 <tr>
 439 <td class="parameter_name"><p>u</p></td>
 440 <td class="parameter_description"><p>codepoint to decompose</p></td>
 441 <td class="parameter_annotations"> </td>
 442 </tr>
 443 <tr>
 444 <td class="parameter_name"><p>decomposed</p></td>
 445 <td class="parameter_description"><p>address of codepoint array (of length <a class="link" href="harfbuzz-hb-deprecated.html#HB-UNICODE-MAX-DECOMPOSITION-LEN:CAPS" title="HB_UNICODE_MAX_DECOMPOSITION_LEN"><span class="type">HB_UNICODE_MAX_DECOMPOSITION_LEN</span></a>) to write decomposition into</p></td>
 446 <td class="parameter_annotations"> </td>
 447 </tr>
 448 <tr>
 449 <td class="parameter_name"><p>user_data</p></td>
 450 <td class="parameter_description"><p>user data pointer as passed to <a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-funcs-set-decompose-compatibility-func" title="hb_unicode_funcs_set_decompose_compatibility_func ()"><code class="function">hb_unicode_funcs_set_decompose_compatibility_func()</code></a></p></td>
 451 <td class="parameter_annotations"> </td>
 452 </tr>
 453 </tbody>
 454 </table></div>
 455 </div>
 456 <div class="refsect3">
 457 <a name="hb-unicode-decompose-compatibility-func-t.returns"></a><h4>Returns</h4>
 458 <p> number of codepoints in the full compatibility decomposition of <em class="parameter"><code>u</code></em>
 459 , or 0 if no decomposition available.</p>
 460 </div>
 461 </div>
 462 <hr>
 463 <div class="refsect2">
 464 <a name="hb-unicode-decompose-compatibility"></a><h3>hb_unicode_decompose_compatibility ()</h3>
 465 <pre class="programlisting">unsigned <span class="returnvalue">int</span>
 466 hb_unicode_decompose_compatibility (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>,
 467                                     <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> u</code></em>,
 468                                     <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> *decomposed</code></em>);</pre>
 469 <div class="warning"><p><code class="literal">hb_unicode_decompose_compatibility</code> has been deprecated since version 2.0.0 and should not be used in newly-written code.</p></div>
 470 <p>Fetches the compatibility decomposition of a Unicode
 471 code point. Deprecated.</p>
 472 <div class="refsect3">
 473 <a name="hb-unicode-decompose-compatibility.parameters"></a><h4>Parameters</h4>
 474 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 475 <colgroup>
 476 <col width="150px" class="parameters_name">
 477 <col class="parameters_description">
 478 <col width="200px" class="parameters_annotations">
 479 </colgroup>
 480 <tbody>
 481 <tr>
 482 <td class="parameter_name"><p>ufuncs</p></td>
 483 <td class="parameter_description"><p>The Unicode-functions structure</p></td>
 484 <td class="parameter_annotations"> </td>
 485 </tr>
 486 <tr>
 487 <td class="parameter_name"><p>u</p></td>
 488 <td class="parameter_description"><p>Code point to decompose</p></td>
 489 <td class="parameter_annotations"> </td>
 490 </tr>
 491 <tr>
 492 <td class="parameter_name"><p>decomposed</p></td>
 493 <td class="parameter_description"><p>Compatibility decomposition of <em class="parameter"><code>u</code></em>
 494 . </p></td>
 495 <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>
 496 </tr>
 497 </tbody>
 498 </table></div>
 499 </div>
 500 <div class="refsect3">
 501 <a name="hb-unicode-decompose-compatibility.returns"></a><h4>Returns</h4>
 502 <p> length of <em class="parameter"><code>decomposed</code></em>
 503 .</p>
 504 </div>
 505 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 506 </div>
 507 <hr>
 508 <div class="refsect2">
 509 <a name="hb-unicode-funcs-set-decompose-compatibility-func"></a><h3>hb_unicode_funcs_set_decompose_compatibility_func ()</h3>
 510 <pre class="programlisting"><span class="returnvalue">void</span>
 511 hb_unicode_funcs_set_decompose_compatibility_func
 512                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>,
 513                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-decompose-compatibility-func-t" title="hb_unicode_decompose_compatibility_func_t ()"><span class="type">hb_unicode_decompose_compatibility_func_t</span></a> func</code></em>,
 514                                 <em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
 515                                 <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>);</pre>
 516 <div class="warning"><p><code class="literal">hb_unicode_funcs_set_decompose_compatibility_func</code> has been deprecated since version 2.0.0 and should not be used in newly-written code.</p></div>
 517 <p>Sets the implementation function for <a class="link" href="harfbuzz-hb-deprecated.html#hb-unicode-decompose-compatibility-func-t" title="hb_unicode_decompose_compatibility_func_t ()"><span class="type">hb_unicode_decompose_compatibility_func_t</span></a>.</p>
 518 <div class="refsect3">
 519 <a name="hb-unicode-funcs-set-decompose-compatibility-func.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>
 527 <tr>
 528 <td class="parameter_name"><p>ufuncs</p></td>
 529 <td class="parameter_description"><p>A Unicode-functions structure</p></td>
 530 <td class="parameter_annotations"> </td>
 531 </tr>
 532 <tr>
 533 <td class="parameter_name"><p>func</p></td>
 534 <td class="parameter_description"><p>The callback function to assign. </p></td>
 535 <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
 536 </tr>
 537 <tr>
 538 <td class="parameter_name"><p>user_data</p></td>
 539 <td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em>
 540 </p></td>
 541 <td class="parameter_annotations"> </td>
 542 </tr>
 543 <tr>
 544 <td class="parameter_name"><p>destroy</p></td>
 545 <td class="parameter_description"><p>The function to call when <em class="parameter"><code>user_data</code></em>
 546 is not needed anymore. </p></td>
 547 <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>
 548 </tr>
 549 </tbody>
 550 </table></div>
 551 </div>
 552 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 553 </div>
 554 <hr>
 555 <div class="refsect2">
 556 <a name="hb-font-funcs-set-glyph-v-kerning-func"></a><h3>hb_font_funcs_set_glyph_v_kerning_func ()</h3>
 557 <pre class="programlisting"><span class="returnvalue">void</span>
 558 hb_font_funcs_set_glyph_v_kerning_func
 559                                (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-funcs-t" title="hb_font_funcs_t"><span class="type">hb_font_funcs_t</span></a> *ffuncs</code></em>,
 560                                 <em class="parameter"><code><a class="link" href="harfbuzz-hb-deprecated.html#hb-font-get-glyph-v-kerning-func-t" title="hb_font_get_glyph_v_kerning_func_t"><span class="type">hb_font_get_glyph_v_kerning_func_t</span></a> func</code></em>,
 561                                 <em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
 562                                 <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>);</pre>
 563 <div class="warning"><p><code class="literal">hb_font_funcs_set_glyph_v_kerning_func</code> has been deprecated since version 2.0.0 and should not be used in newly-written code.</p></div>
 564 <p>Sets the implementation function for <a class="link" href="harfbuzz-hb-deprecated.html#hb-font-get-glyph-v-kerning-func-t" title="hb_font_get_glyph_v_kerning_func_t"><span class="type">hb_font_get_glyph_v_kerning_func_t</span></a>.</p>
 565 <div class="refsect3">
 566 <a name="hb-font-funcs-set-glyph-v-kerning-func.parameters"></a><h4>Parameters</h4>
 567 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 568 <colgroup>
 569 <col width="150px" class="parameters_name">
 570 <col class="parameters_description">
 571 <col width="200px" class="parameters_annotations">
 572 </colgroup>
 573 <tbody>
 574 <tr>
 575 <td class="parameter_name"><p>ffuncs</p></td>
 576 <td class="parameter_description"><p>A font-function structure</p></td>
 577 <td class="parameter_annotations"> </td>
 578 </tr>
 579 <tr>
 580 <td class="parameter_name"><p>func</p></td>
 581 <td class="parameter_description"><p>The callback function to assign. </p></td>
 582 <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
 583 </tr>
 584 <tr>
 585 <td class="parameter_name"><p>user_data</p></td>
 586 <td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em>
 587 </p></td>
 588 <td class="parameter_annotations"> </td>
 589 </tr>
 590 <tr>
 591 <td class="parameter_name"><p>destroy</p></td>
 592 <td class="parameter_description"><p>The function to call when <em class="parameter"><code>user_data</code></em>
 593 is not needed anymore. </p></td>
 594 <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>
 595 </tr>
 596 </tbody>
 597 </table></div>
 598 </div>
 599 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 600 </div>
 601 <hr>
 602 <div class="refsect2">
 603 <a name="hb-font-get-glyph-v-kerning"></a><h3>hb_font_get_glyph_v_kerning ()</h3>
 604 <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-position-t" title="hb_position_t"><span class="returnvalue">hb_position_t</span></a>
 605 hb_font_get_glyph_v_kerning (<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> *font</code></em>,
 606                              <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> top_glyph</code></em>,
 607                              <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> bottom_glyph</code></em>);</pre>
 608 <div class="warning"><p><code class="literal">hb_font_get_glyph_v_kerning</code> has been deprecated since version 2.0.0 and should not be used in newly-written code.</p></div>
 609 <p>Fetches the kerning-adjustment value for a glyph-pair in
 610 the specified font, for vertical text segments.</p>
 611 <div class="note">It handles legacy kerning only (as returned by the corresponding
 612 <a class="link" href="harfbuzz-hb-font.html#hb-font-funcs-t" title="hb_font_funcs_t"><span class="type">hb_font_funcs_t</span></a> function).</div>
 613 <div class="refsect3">
 614 <a name="hb-font-get-glyph-v-kerning.parameters"></a><h4>Parameters</h4>
 615 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 616 <colgroup>
 617 <col width="150px" class="parameters_name">
 618 <col class="parameters_description">
 619 <col width="200px" class="parameters_annotations">
 620 </colgroup>
 621 <tbody>
 622 <tr>
 623 <td class="parameter_name"><p>font</p></td>
 624 <td class="parameter_description"><p><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> to work upon</p></td>
 625 <td class="parameter_annotations"> </td>
 626 </tr>
 627 <tr>
 628 <td class="parameter_name"><p>top_glyph</p></td>
 629 <td class="parameter_description"><p>The glyph ID of the top glyph in the glyph pair</p></td>
 630 <td class="parameter_annotations"> </td>
 631 </tr>
 632 <tr>
 633 <td class="parameter_name"><p>bottom_glyph</p></td>
 634 <td class="parameter_description"><p>The glyph ID of the bottom glyph in the glyph pair</p></td>
 635 <td class="parameter_annotations"> </td>
 636 </tr>
 637 </tbody>
 638 </table></div>
 639 </div>
 640 <div class="refsect3">
 641 <a name="hb-font-get-glyph-v-kerning.returns"></a><h4>Returns</h4>
 642 <p> The kerning adjustment value</p>
 643 </div>
 644 <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p>
 645 </div>
 646 </div>
 647 <div class="refsect1">
 648 <a name="harfbuzz-hb-deprecated.other_details"></a><h2>Types and Values</h2>
 649 <div class="refsect2">
 650 <a name="HB-BUFFER-FLAGS-DEFAULT:CAPS"></a><h3>HB_BUFFER_FLAGS_DEFAULT</h3>
 651 <pre class="programlisting">#define HB_BUFFER_FLAGS_DEFAULT                     HB_BUFFER_FLAG_DEFAULT
 652 </pre>
 653 <div class="warning"><p><code class="literal">HB_BUFFER_FLAGS_DEFAULT</code> has been deprecated since version 0.9.20 and should not be used in newly-written code.</p></div>
 654 <p>Use <a class="link" href="harfbuzz-hb-buffer.html#HB-BUFFER-FLAG-DEFAULT:CAPS"><span class="type">HB_BUFFER_FLAG_DEFAULT</span></a> instead.</p>
 655 </div>
 656 <hr>
 657 <div class="refsect2">
 658 <a name="HB-BUFFER-SERIALIZE-FLAGS-DEFAULT:CAPS"></a><h3>HB_BUFFER_SERIALIZE_FLAGS_DEFAULT</h3>
 659 <pre class="programlisting">#define HB_BUFFER_SERIALIZE_FLAGS_DEFAULT HB_BUFFER_SERIALIZE_FLAG_DEFAULT
 660 </pre>
 661 <div class="warning"><p><code class="literal">HB_BUFFER_SERIALIZE_FLAGS_DEFAULT</code> has been deprecated since version 0.9.20 and should not be used in newly-written code.</p></div>
 662 <p>Use <a class="link" href="harfbuzz-hb-buffer.html#HB-BUFFER-SERIALIZE-FLAG-DEFAULT:CAPS"><span class="type">HB_BUFFER_SERIALIZE_FLAG_DEFAULT</span></a> instead.</p>
 663 </div>
 664 <hr>
 665 <div class="refsect2">
 666 <a name="HB-SCRIPT-CANADIAN-ABORIGINAL:CAPS"></a><h3>HB_SCRIPT_CANADIAN_ABORIGINAL</h3>
 667 <pre class="programlisting">#define HB_SCRIPT_CANADIAN_ABORIGINAL               HB_SCRIPT_CANADIAN_SYLLABICS
 668 </pre>
 669 <div class="warning"><p><code class="literal">HB_SCRIPT_CANADIAN_ABORIGINAL</code> has been deprecated since version 0.9.20 and should not be used in newly-written code.</p></div>
 670 <p>Use <a class="link" href="harfbuzz-hb-common.html#HB-SCRIPT-CANADIAN-SYLLABICS:CAPS"><span class="type">HB_SCRIPT_CANADIAN_SYLLABICS</span></a> instead:</p>
 671 </div>
 672 <hr>
 673 <div class="refsect2">
 674 <a name="HB-MATH-GLYPH-PART-FLAG-EXTENDER:CAPS"></a><h3>HB_MATH_GLYPH_PART_FLAG_EXTENDER</h3>
 675 <pre class="programlisting">#define HB_MATH_GLYPH_PART_FLAG_EXTENDER HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER
 676 </pre>
 677 <div class="warning"><p><code class="literal">HB_MATH_GLYPH_PART_FLAG_EXTENDER</code> has been deprecated since version 2.5.1 and should not be used in newly-written code.</p></div>
 678 <p>Use <a class="link" href="harfbuzz-hb-ot-math.html#HB-OT-MATH-GLYPH-PART-FLAG-EXTENDER:CAPS"><span class="type">HB_OT_MATH_GLYPH_PART_FLAG_EXTENDER</span></a> instead.</p>
 679 </div>
 680 <hr>
 681 <div class="refsect2">
 682 <a name="HB-OT-MATH-SCRIPT:CAPS"></a><h3>HB_OT_MATH_SCRIPT</h3>
 683 <pre class="programlisting">#define HB_OT_MATH_SCRIPT HB_OT_TAG_MATH_SCRIPT
 684 </pre>
 685 <div class="warning"><p><code class="literal">HB_OT_MATH_SCRIPT</code> has been deprecated since version 3.4.0 and should not be used in newly-written code.</p></div>
 686 <p>Use <a class="link" href="harfbuzz-hb-common.html#HB-SCRIPT-MATH:CAPS"><span class="type">HB_SCRIPT_MATH</span></a> or <a class="link" href="harfbuzz-hb-ot-math.html#HB-OT-TAG-MATH-SCRIPT:CAPS" title="HB_OT_TAG_MATH_SCRIPT"><span class="type">HB_OT_TAG_MATH_SCRIPT</span></a> instead.</p>
 687 <div class="note">Previous versions of this documentation recommended passing
 688 <a class="link" href="harfbuzz-hb-deprecated.html#HB-OT-MATH-SCRIPT:CAPS" title="HB_OT_MATH_SCRIPT"><span class="type">HB_OT_MATH_SCRIPT</span></a> to <a class="link" href="harfbuzz-hb-buffer.html#hb-buffer-set-script" title="hb_buffer_set_script ()"><code class="function">hb_buffer_set_script()</code></a> to enable math shaping, but this
 689 usage is no longer supported. Use <a class="link" href="harfbuzz-hb-common.html#HB-SCRIPT-MATH:CAPS"><span class="type">HB_SCRIPT_MATH</span></a> instead.</div>
 690 <p class="since">Since: <a class="link" href="api-index-1-3-3.html#api-index-1.3.3">1.3.3</a></p>
 691 </div>
 692 <hr>
 693 <div class="refsect2">
 694 <a name="HB-OT-VAR-NO-AXIS-INDEX:CAPS"></a><h3>HB_OT_VAR_NO_AXIS_INDEX</h3>
 695 <pre class="programlisting">#define HB_OT_VAR_NO_AXIS_INDEX             0xFFFFFFFFu
 696 </pre>
 697 <div class="warning"><p><code class="literal">HB_OT_VAR_NO_AXIS_INDEX</code> has been deprecated since version 2.2.0 and should not be used in newly-written code.</p></div>
 698 <p>Do not use.</p>
 699 <p class="since">Since: <a class="link" href="api-index-1-4-2.html#api-index-1.4.2">1.4.2</a></p>
 700 </div>
 701 <hr>
 702 <div class="refsect2">
 703 <a name="hb-ot-var-axis-t"></a><h3>hb_ot_var_axis_t</h3>
 704 <pre class="programlisting">typedef struct {
 705   hb_tag_t tag;
 706   hb_ot_name_id_t name_id;
 707   float min_value;
 708   float default_value;
 709   float max_value;
 710 } hb_ot_var_axis_t;
 711 </pre>
 712 <div class="warning"><p><code class="literal">hb_ot_var_axis_t</code> has been deprecated since version 2.2.0 and should not be used in newly-written code.</p></div>
 713 <p>Use <a class="link" href="harfbuzz-hb-ot-var.html#hb-ot-var-axis-info-t" title="hb_ot_var_axis_info_t"><span class="type">hb_ot_var_axis_info_t</span></a> instead.</p>
 714 <div class="refsect3">
 715 <a name="hb-ot-var-axis-t.members"></a><h4>Members</h4>
 716 <div class="informaltable"><table class="informaltable" width="100%" border="0">
 717 <colgroup>
 718 <col width="300px" class="struct_members_name">
 719 <col class="struct_members_description">
 720 <col width="200px" class="struct_members_annotations">
 721 </colgroup>
 722 <tbody>
 723 <tr>
 724 <td class="struct_member_name"><p><a class="link" href="harfbuzz-hb-common.html#hb-tag-t" title="hb_tag_t"><span class="type">hb_tag_t</span></a> <em class="structfield"><code><a name="hb-ot-var-axis-t.tag"></a>tag</code></em>;</p></td>
 725 <td class="struct_member_description"><p>axis tag</p></td>
 726 <td class="struct_member_annotations"> </td>
 727 </tr>
 728 <tr>
 729 <td class="struct_member_name"><p><a class="link" href="harfbuzz-hb-ot-name.html#hb-ot-name-id-t" title="hb_ot_name_id_t"><span class="type">hb_ot_name_id_t</span></a> <em class="structfield"><code><a name="hb-ot-var-axis-t.name-id"></a>name_id</code></em>;</p></td>
 730 <td class="struct_member_description"><p>axis name identifier</p></td>
 731 <td class="struct_member_annotations"> </td>
 732 </tr>
 733 <tr>
 734 <td class="struct_member_name"><p><span class="type">float</span> <em class="structfield"><code><a name="hb-ot-var-axis-t.min-value"></a>min_value</code></em>;</p></td>
 735 <td class="struct_member_description"><p>minimum value of the axis</p></td>
 736 <td class="struct_member_annotations"> </td>
 737 </tr>
 738 <tr>
 739 <td class="struct_member_name"><p><span class="type">float</span> <em class="structfield"><code><a name="hb-ot-var-axis-t.default-value"></a>default_value</code></em>;</p></td>
 740 <td class="struct_member_description"><p>default value of the axis</p></td>
 741 <td class="struct_member_annotations"> </td>
 742 </tr>
 743 <tr>
 744 <td class="struct_member_name"><p><span class="type">float</span> <em class="structfield"><code><a name="hb-ot-var-axis-t.max-value"></a>max_value</code></em>;</p></td>
 745 <td class="struct_member_description"><p>maximum value of the axis</p></td>
 746 <td class="struct_member_annotations"> </td>
 747 </tr>
 748 </tbody>
 749 </table></div>
 750 </div>
 751 <p class="since">Since: <a class="link" href="api-index-1-4-2.html#api-index-1.4.2">1.4.2</a></p>
 752 </div>
 753 <hr>
 754 <div class="refsect2">
 755 <a name="HB-UNICODE-MAX-DECOMPOSITION-LEN:CAPS"></a><h3>HB_UNICODE_MAX_DECOMPOSITION_LEN</h3>
 756 <pre class="programlisting">#define HB_UNICODE_MAX_DECOMPOSITION_LEN (18+1) /* codepoints */
 757 </pre>
 758 <div class="warning"><p><code class="literal">HB_UNICODE_MAX_DECOMPOSITION_LEN</code> has been deprecated since version 2.0.0 and should not be used in newly-written code.</p></div>
 759 <p>See Unicode 6.1 for details on the maximum decomposition length.</p>
 760 </div>
 761 <hr>
 762 <div class="refsect2">
 763 <a name="hb-font-get-glyph-v-kerning-func-t"></a><h3>hb_font_get_glyph_v_kerning_func_t</h3>
 764 <pre class="programlisting">typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_v_kerning_func_t;
 765 </pre>
 766 <div class="warning"><p><code class="literal">hb_font_get_glyph_v_kerning_func_t</code> is deprecated and should not be used in newly-written code.</p></div>
 767 <p>A virtual method for the <a class="link" href="harfbuzz-hb-font.html#hb-font-funcs-t" title="hb_font_funcs_t"><span class="type">hb_font_funcs_t</span></a> of an <a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> object.</p>
 768 <p>This method should retrieve the kerning-adjustment value for a glyph-pair in
 769 the specified font, for vertical text segments.</p>
 770 </div>
 771 </div>
 772 </div>
 773 <div class="footer">
 774 <hr>Generated by GTK-Doc V1.32</div>
 775 </body>
 776 </html>