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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>cairomm: Cairo::FontOptions Class Reference</title>
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<li class="navelem"><a class="el" href="namespaceCairo.html">Cairo</a></li><li class="navelem"><a class="el" href="classCairo_1_1FontOptions.html">FontOptions</a></li>  </ul>
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<a href="#pub-types">Public Types</a> &#124;
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<div class="title">Cairo::FontOptions Class Reference</div>  </div>
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<p>The font options specify how fonts should be rendered.  
 <a href="classCairo_1_1FontOptions.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a458ecd8eb6ab6cbe9d0f70720504dc19"><td class="memItemLeft" align="right" valign="top">typedef cairo_font_options_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#a458ecd8eb6ab6cbe9d0f70720504dc19">cobject</a></td></tr>
<tr class="separator:a458ecd8eb6ab6cbe9d0f70720504dc19"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a2b818a9af6d23ad39fb4e2ce74d24df6"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#a2b818a9af6d23ad39fb4e2ce74d24df6">FontOptions</a> ()</td></tr>
<tr class="separator:a2b818a9af6d23ad39fb4e2ce74d24df6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a475377dfa1550fbaed93e3b3a79d96e8"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#a475377dfa1550fbaed93e3b3a79d96e8">FontOptions</a> (cairo_font_options_t*<a class="el" href="classCairo_1_1FontOptions.html#a458ecd8eb6ab6cbe9d0f70720504dc19">cobject</a>, bool take_ownership=false)</td></tr>
<tr class="separator:a475377dfa1550fbaed93e3b3a79d96e8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3b10ebfd94fc8f8c047a85d4400ced7b"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#a3b10ebfd94fc8f8c047a85d4400ced7b">FontOptions</a> (const <a class="el" href="classCairo_1_1FontOptions.html">FontOptions</a>&amp; src)</td></tr>
<tr class="separator:a3b10ebfd94fc8f8c047a85d4400ced7b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a27f29f5bb5191d6202eeeaa6c5485cbb"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#a27f29f5bb5191d6202eeeaa6c5485cbb">~FontOptions</a> ()</td></tr>
<tr class="separator:a27f29f5bb5191d6202eeeaa6c5485cbb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab89251971e798b5998fba7cfd73d8d93"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classCairo_1_1FontOptions.html">FontOptions</a>&amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#ab89251971e798b5998fba7cfd73d8d93">operator=</a> (const <a class="el" href="classCairo_1_1FontOptions.html">FontOptions</a>&amp; src)</td></tr>
<tr class="separator:ab89251971e798b5998fba7cfd73d8d93"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a941cd1d37b4058f1b48b2752fc0cf07f"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#a941cd1d37b4058f1b48b2752fc0cf07f">operator==</a> (const <a class="el" href="classCairo_1_1FontOptions.html">FontOptions</a>&amp; src) const </td></tr>
<tr class="separator:a941cd1d37b4058f1b48b2752fc0cf07f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae64b209cc8200f786d07185fc93552ed"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#ae64b209cc8200f786d07185fc93552ed">merge</a> (const <a class="el" href="classCairo_1_1FontOptions.html">FontOptions</a>&amp; other)</td></tr>
<tr class="memdesc:ae64b209cc8200f786d07185fc93552ed"><td class="mdescLeft">&#160;</td><td class="mdescRight">Merges non-default options from <em>other</em> into this, replacing existing values.  <a href="#ae64b209cc8200f786d07185fc93552ed">More...</a><br /></td></tr>
<tr class="separator:ae64b209cc8200f786d07185fc93552ed"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a941f12713ba5f746b47fdc2b91ad01c8"><td class="memItemLeft" align="right" valign="top">unsigned long&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#a941f12713ba5f746b47fdc2b91ad01c8">hash</a> () const </td></tr>
<tr class="memdesc:a941f12713ba5f746b47fdc2b91ad01c8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Compute a hash for the font options object; this value will be useful when storing an object containing a <a class="el" href="classCairo_1_1FontOptions.html" title="The font options specify how fonts should be rendered. ">FontOptions</a> in a hash table.  <a href="#a941f12713ba5f746b47fdc2b91ad01c8">More...</a><br /></td></tr>
<tr class="separator:a941f12713ba5f746b47fdc2b91ad01c8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac4805f8378e318a2ad52803285b7e7de"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#ac4805f8378e318a2ad52803285b7e7de">set_antialias</a> (<a class="el" href="namespaceCairo.html#a2cb381e7f63bef767a7d697fc5af13b4">Antialias</a> antialias)</td></tr>
<tr class="memdesc:ac4805f8378e318a2ad52803285b7e7de"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the antialiasing mode for the font options object.  <a href="#ac4805f8378e318a2ad52803285b7e7de">More...</a><br /></td></tr>
<tr class="separator:ac4805f8378e318a2ad52803285b7e7de"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae93654769d65365c4110e8ce8a56cf7c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespaceCairo.html#a2cb381e7f63bef767a7d697fc5af13b4">Antialias</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#ae93654769d65365c4110e8ce8a56cf7c">get_antialias</a> () const </td></tr>
<tr class="memdesc:ae93654769d65365c4110e8ce8a56cf7c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the antialiasing mode for the font options object.  <a href="#ae93654769d65365c4110e8ce8a56cf7c">More...</a><br /></td></tr>
<tr class="separator:ae93654769d65365c4110e8ce8a56cf7c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae0d566a662586651501920525bfb7dcd"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#ae0d566a662586651501920525bfb7dcd">set_subpixel_order</a> (<a class="el" href="namespaceCairo.html#a4a23dc1a6008ac7395bd44767b288783">SubpixelOrder</a> subpixel_order)</td></tr>
<tr class="memdesc:ae0d566a662586651501920525bfb7dcd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the subpixel order for the font options object.  <a href="#ae0d566a662586651501920525bfb7dcd">More...</a><br /></td></tr>
<tr class="separator:ae0d566a662586651501920525bfb7dcd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a30a7fe796cfe5c9d6ea4bdeb535834f0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespaceCairo.html#a4a23dc1a6008ac7395bd44767b288783">SubpixelOrder</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#a30a7fe796cfe5c9d6ea4bdeb535834f0">get_subpixel_order</a> () const </td></tr>
<tr class="memdesc:a30a7fe796cfe5c9d6ea4bdeb535834f0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the subpixel order for the font options object.  <a href="#a30a7fe796cfe5c9d6ea4bdeb535834f0">More...</a><br /></td></tr>
<tr class="separator:a30a7fe796cfe5c9d6ea4bdeb535834f0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a58b4368e78a15f4c63766b5a47fd951b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#a58b4368e78a15f4c63766b5a47fd951b">set_hint_style</a> (<a class="el" href="namespaceCairo.html#a42c908e3a6e1e7e402081b36659b42e4">HintStyle</a> hint_style)</td></tr>
<tr class="memdesc:a58b4368e78a15f4c63766b5a47fd951b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the hint style for font outlines for the font options object.  <a href="#a58b4368e78a15f4c63766b5a47fd951b">More...</a><br /></td></tr>
<tr class="separator:a58b4368e78a15f4c63766b5a47fd951b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a840678ca69c3e852b6ed05a1e35329e3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespaceCairo.html#a42c908e3a6e1e7e402081b36659b42e4">HintStyle</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#a840678ca69c3e852b6ed05a1e35329e3">get_hint_style</a> () const </td></tr>
<tr class="memdesc:a840678ca69c3e852b6ed05a1e35329e3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the hint style for font outlines for the font options object.  <a href="#a840678ca69c3e852b6ed05a1e35329e3">More...</a><br /></td></tr>
<tr class="separator:a840678ca69c3e852b6ed05a1e35329e3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac8ab52d886380075adc27d86ade70c01"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#ac8ab52d886380075adc27d86ade70c01">set_hint_metrics</a> (<a class="el" href="namespaceCairo.html#a36aea516c8dd84609f7e5f5968a3d7c0">HintMetrics</a> hint_metrics)</td></tr>
<tr class="memdesc:ac8ab52d886380075adc27d86ade70c01"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the metrics hinting mode for the font options object.  <a href="#ac8ab52d886380075adc27d86ade70c01">More...</a><br /></td></tr>
<tr class="separator:ac8ab52d886380075adc27d86ade70c01"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af74acf1959d5e96800ff43a393e34308"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespaceCairo.html#a36aea516c8dd84609f7e5f5968a3d7c0">HintMetrics</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#af74acf1959d5e96800ff43a393e34308">get_hint_metrics</a> () const </td></tr>
<tr class="memdesc:af74acf1959d5e96800ff43a393e34308"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the metrics hinting mode for the font options object.  <a href="#af74acf1959d5e96800ff43a393e34308">More...</a><br /></td></tr>
<tr class="separator:af74acf1959d5e96800ff43a393e34308"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:add7c818b1a6c6bff15199407d8b18a18"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classCairo_1_1FontOptions.html#a458ecd8eb6ab6cbe9d0f70720504dc19">cobject</a>*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#add7c818b1a6c6bff15199407d8b18a18">cobj</a> ()</td></tr>
<tr class="separator:add7c818b1a6c6bff15199407d8b18a18"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af826edc2b8a7b6c3cf4a44940f135d5d"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classCairo_1_1FontOptions.html#a458ecd8eb6ab6cbe9d0f70720504dc19">cobject</a>*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#af826edc2b8a7b6c3cf4a44940f135d5d">cobj</a> () const </td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:ae64f21fb1def665db48a8d3adfe5db56"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classCairo_1_1FontOptions.html#a458ecd8eb6ab6cbe9d0f70720504dc19">cobject</a>*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1FontOptions.html#ae64f21fb1def665db48a8d3adfe5db56">m_cobject</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The font options specify how fonts should be rendered. </p>
<p>Most of the time the font options implied by a surface are just right and do not need any changes, but for pixel-based targets tweaking font options may result in superior output on a particular display. </p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
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          <td class="memname">typedef cairo_font_options_t <a class="el" href="classCairo_1_1FontOptions.html#a458ecd8eb6ab6cbe9d0f70720504dc19">Cairo::FontOptions::cobject</a></td>
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<h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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          <td class="paramtype">cairo_font_options_t *&#160;</td>
          <td class="paramname"><em>cobject</em>, </td>
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          <td class="paramtype">const <a class="el" href="classCairo_1_1FontOptions.html">FontOptions</a>&amp;&#160;</td>
          <td class="paramname"><em>src</em></td><td>)</td>
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<h2 class="groupheader">Member Function Documentation</h2>
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          <td class="memname"><a class="el" href="classCairo_1_1FontOptions.html#a458ecd8eb6ab6cbe9d0f70720504dc19">cobject</a>* Cairo::FontOptions::cobj </td>
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          <td class="memname"><a class="el" href="namespaceCairo.html#a2cb381e7f63bef767a7d697fc5af13b4">Antialias</a> Cairo::FontOptions::get_antialias </td>
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<p>Gets the antialiasing mode for the font options object. </p>
<dl class="section return"><dt>Returns</dt><dd>the antialiasing mode </dd></dl>

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<p>Gets the metrics hinting mode for the font options object. </p>
<p>See the documentation for HintMetrics for full details.</p>
<p>Return value: the metrics hinting mode for the font options object. </p>

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<p>Gets the hint style for font outlines for the font options object. </p>
<p>See the documentation for HintStyle for full details.</p>
<dl class="section return"><dt>Returns</dt><dd>the hint style for the font options object. </dd></dl>

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          <td class="memname"><a class="el" href="namespaceCairo.html#a4a23dc1a6008ac7395bd44767b288783">SubpixelOrder</a> Cairo::FontOptions::get_subpixel_order </td>
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<p>Gets the subpixel order for the font options object. </p>
<p>See the documentation for SubpixelOrder for full details.</p>
<dl class="section return"><dt>Returns</dt><dd>the subpixel order for the font options object. </dd></dl>

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<p>Compute a hash for the font options object; this value will be useful when storing an object containing a <a class="el" href="classCairo_1_1FontOptions.html" title="The font options specify how fonts should be rendered. ">FontOptions</a> in a hash table. </p>
<dl class="section return"><dt>Returns</dt><dd>the hash value for the font options object. The return value can be cast to a 32-bit type if a 32-bit hash value is needed. </dd></dl>

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<p>Merges non-default options from <em>other</em> into this, replacing existing values. </p>
<p>This operation can be thought of as somewhat similar to compositing <em>other</em> onto this with the operation of OPERATION_OVER.</p>
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    <tr><td class="paramname">other</td><td>another <a class="el" href="classCairo_1_1FontOptions.html" title="The font options specify how fonts should be rendered. ">FontOptions</a> </td></tr>
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          <td class="paramname"><em>src</em></td><td>)</td>
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          <td class="paramname"><em>src</em></td><td>)</td>
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          <td class="paramtype"><a class="el" href="namespaceCairo.html#a2cb381e7f63bef767a7d697fc5af13b4">Antialias</a>&#160;</td>
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<p>Sets the antialiasing mode for the font options object. </p>
<p>This specifies the type of antialiasing to do when rendering text.</p>
<dl class="params"><dt>Parameters</dt><dd>
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          <td class="paramtype"><a class="el" href="namespaceCairo.html#a36aea516c8dd84609f7e5f5968a3d7c0">HintMetrics</a>&#160;</td>
          <td class="paramname"><em>hint_metrics</em></td><td>)</td>
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<p>Sets the metrics hinting mode for the font options object. </p>
<p>This controls whether metrics are quantized to integer values in device units. See the documentation for HintMetrics for full details.</p>
<dl class="params"><dt>Parameters</dt><dd>
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          <td class="paramtype"><a class="el" href="namespaceCairo.html#a42c908e3a6e1e7e402081b36659b42e4">HintStyle</a>&#160;</td>
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<p>Sets the hint style for font outlines for the font options object. </p>
<p>This controls whether to fit font outlines to the pixel grid, and if so, whether to optimize for fidelity or contrast. See the documentation for HintStyle for full details.</p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">hint_style</td><td>the new hint style. </td></tr>
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          <td class="paramtype"><a class="el" href="namespaceCairo.html#a4a23dc1a6008ac7395bd44767b288783">SubpixelOrder</a>&#160;</td>
          <td class="paramname"><em>subpixel_order</em></td><td>)</td>
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<p>Sets the subpixel order for the font options object. </p>
<p>The subpixel order specifies the order of color elements within each pixel on the display device when rendering with an antialiasing mode of <a class="el" href="namespaceCairo.html#a2cb381e7f63bef767a7d697fc5af13b4a3ee3d2f0eea97db29139eac7950269aa" title="Perform antialiasing by taing advantage of the order of subpixel elements on devices such as LCD pane...">Cairo::ANTIALIAS_SUBPIXEL</a>. See the documentation for SubpixelOrder for full details.</p>
<dl class="params"><dt>Parameters</dt><dd>
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    <tr><td class="paramname">subpixel_order</td><td>the new subpixel order. </td></tr>
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<h2 class="groupheader">Member Data Documentation</h2>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>cairomm/fontoptions.h</li>
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