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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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 <span id="projectnumber">2.40.1</span>
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<li class="navelem"><a class="el" href="namespacePango.html">Pango</a></li><li class="navelem"><a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">Pango::FontMetrics Class Reference</div> </div>
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<p>A <a class="el" href="classPango_1_1FontMetrics.html" title="A Pango::FontMetrics holds the overall metric information for a font (possibly restricted to a script...">Pango::FontMetrics</a> holds the overall metric information for a font (possibly restricted to a script).
<a href="classPango_1_1FontMetrics.html#details">More...</a></p>
<p><code>#include <pangomm/fontmetrics.h></code></p>
<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:a6fd7ee8f4106528d46bcde312c1fd622"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#a6fd7ee8f4106528d46bcde312c1fd622">FontMetrics</a> ()</td></tr>
<tr class="separator:a6fd7ee8f4106528d46bcde312c1fd622"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab5b61288c4ff511e0d4fab41150a610b"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#ab5b61288c4ff511e0d4fab41150a610b">FontMetrics</a> (PangoFontMetrics* gobject, bool make_a_copy=true)</td></tr>
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<tr class="memitem:aa69e7495caf2bac9b52eeeb18b5d324e"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#aa69e7495caf2bac9b52eeeb18b5d324e">FontMetrics</a> (const <a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>& other)</td></tr>
<tr class="separator:aa69e7495caf2bac9b52eeeb18b5d324e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afb01206891a912a21d339fb944bb5e60"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#afb01206891a912a21d339fb944bb5e60">operator=</a> (const <a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>& other)</td></tr>
<tr class="separator:afb01206891a912a21d339fb944bb5e60"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad3e24990a978f35863c26d09ee8bb47a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#ad3e24990a978f35863c26d09ee8bb47a">FontMetrics</a> (<a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>&& other) noexcept</td></tr>
<tr class="separator:ad3e24990a978f35863c26d09ee8bb47a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4189cf88cad97780d0d842001ec24eab"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#a4189cf88cad97780d0d842001ec24eab">operator=</a> (<a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>&& other) noexcept</td></tr>
<tr class="separator:a4189cf88cad97780d0d842001ec24eab"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa2092d552aaaaf6a5a1ee3a5e9820dd9"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#aa2092d552aaaaf6a5a1ee3a5e9820dd9">~FontMetrics</a> () noexcept</td></tr>
<tr class="separator:aa2092d552aaaaf6a5a1ee3a5e9820dd9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a61cebf108bb653dd302f6758844c656d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#a61cebf108bb653dd302f6758844c656d">swap</a> (<a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>& other) noexcept</td></tr>
<tr class="separator:a61cebf108bb653dd302f6758844c656d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5c503c2c736cb45cac23e4fa8ef69647"><td class="memItemLeft" align="right" valign="top">PangoFontMetrics* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#a5c503c2c736cb45cac23e4fa8ef69647">gobj</a> ()</td></tr>
<tr class="memdesc:a5c503c2c736cb45cac23e4fa8ef69647"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. <a href="#a5c503c2c736cb45cac23e4fa8ef69647">More...</a><br /></td></tr>
<tr class="separator:a5c503c2c736cb45cac23e4fa8ef69647"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae9a1fc1a28648a45d1da56afe1da632a"><td class="memItemLeft" align="right" valign="top">const PangoFontMetrics* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#ae9a1fc1a28648a45d1da56afe1da632a">gobj</a> () const </td></tr>
<tr class="memdesc:ae9a1fc1a28648a45d1da56afe1da632a"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. <a href="#ae9a1fc1a28648a45d1da56afe1da632a">More...</a><br /></td></tr>
<tr class="separator:ae9a1fc1a28648a45d1da56afe1da632a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a841ba11d8c483655fd2fa61de297b52f"><td class="memItemLeft" align="right" valign="top">PangoFontMetrics* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#a841ba11d8c483655fd2fa61de297b52f">gobj_copy</a> () const </td></tr>
<tr class="memdesc:a841ba11d8c483655fd2fa61de297b52f"><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs. <a href="#a841ba11d8c483655fd2fa61de297b52f">More...</a><br /></td></tr>
<tr class="separator:a841ba11d8c483655fd2fa61de297b52f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afc963dec98937e512963fa62d5b167f6"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#afc963dec98937e512963fa62d5b167f6">get_ascent</a> () const </td></tr>
<tr class="memdesc:afc963dec98937e512963fa62d5b167f6"><td class="mdescLeft"> </td><td class="mdescRight">Gets the ascent from a font metrics structure. <a href="#afc963dec98937e512963fa62d5b167f6">More...</a><br /></td></tr>
<tr class="separator:afc963dec98937e512963fa62d5b167f6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1f37fa508b18385c92f54452965cf610"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#a1f37fa508b18385c92f54452965cf610">get_descent</a> () const </td></tr>
<tr class="memdesc:a1f37fa508b18385c92f54452965cf610"><td class="mdescLeft"> </td><td class="mdescRight">Gets the descent from a font metrics structure. <a href="#a1f37fa508b18385c92f54452965cf610">More...</a><br /></td></tr>
<tr class="separator:a1f37fa508b18385c92f54452965cf610"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adbbf4e1d0ea75553fdf7fee1624a5a1d"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#adbbf4e1d0ea75553fdf7fee1624a5a1d">get_approximate_char_width</a> () const </td></tr>
<tr class="memdesc:adbbf4e1d0ea75553fdf7fee1624a5a1d"><td class="mdescLeft"> </td><td class="mdescRight">Gets the approximate character width for a font metrics structure. <a href="#adbbf4e1d0ea75553fdf7fee1624a5a1d">More...</a><br /></td></tr>
<tr class="separator:adbbf4e1d0ea75553fdf7fee1624a5a1d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2e824dae652a8b70c2641752fa3c2fe4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#a2e824dae652a8b70c2641752fa3c2fe4">get_approximate_digit_width</a> () const </td></tr>
<tr class="memdesc:a2e824dae652a8b70c2641752fa3c2fe4"><td class="mdescLeft"> </td><td class="mdescRight">Gets the approximate digit width for a font metrics structure. <a href="#a2e824dae652a8b70c2641752fa3c2fe4">More...</a><br /></td></tr>
<tr class="separator:a2e824dae652a8b70c2641752fa3c2fe4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa80c460e67a0bdb7f2430d20933cdc4f"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#aa80c460e67a0bdb7f2430d20933cdc4f">get_underline_position</a> () const </td></tr>
<tr class="memdesc:aa80c460e67a0bdb7f2430d20933cdc4f"><td class="mdescLeft"> </td><td class="mdescRight">Gets the suggested position to draw the underline. <a href="#aa80c460e67a0bdb7f2430d20933cdc4f">More...</a><br /></td></tr>
<tr class="separator:aa80c460e67a0bdb7f2430d20933cdc4f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3beede4f726f0b23c5646117b071fa7d"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#a3beede4f726f0b23c5646117b071fa7d">get_underline_thickness</a> () const </td></tr>
<tr class="memdesc:a3beede4f726f0b23c5646117b071fa7d"><td class="mdescLeft"> </td><td class="mdescRight">Gets the suggested thickness to draw for the underline. <a href="#a3beede4f726f0b23c5646117b071fa7d">More...</a><br /></td></tr>
<tr class="separator:a3beede4f726f0b23c5646117b071fa7d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab4efbba69b50a7f0ea2afbf62e21d34a"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#ab4efbba69b50a7f0ea2afbf62e21d34a">get_strikethrough_position</a> () const </td></tr>
<tr class="memdesc:ab4efbba69b50a7f0ea2afbf62e21d34a"><td class="mdescLeft"> </td><td class="mdescRight">Gets the suggested position to draw the strikethrough. <a href="#ab4efbba69b50a7f0ea2afbf62e21d34a">More...</a><br /></td></tr>
<tr class="separator:ab4efbba69b50a7f0ea2afbf62e21d34a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abe0ae62effadb3a7adf1f44993dc85a9"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#abe0ae62effadb3a7adf1f44993dc85a9">get_strikethrough_thickness</a> () const </td></tr>
<tr class="memdesc:abe0ae62effadb3a7adf1f44993dc85a9"><td class="mdescLeft"> </td><td class="mdescRight">Gets the suggested thickness to draw for the strikethrough. <a href="#abe0ae62effadb3a7adf1f44993dc85a9">More...</a><br /></td></tr>
<tr class="separator:abe0ae62effadb3a7adf1f44993dc85a9"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:ac65058873bd0d25b316fef8729564c28"><td class="memItemLeft" align="right" valign="top">static GType </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#ac65058873bd0d25b316fef8729564c28">get_type</a> ()</td></tr>
<tr class="memdesc:ac65058873bd0d25b316fef8729564c28"><td class="mdescLeft"> </td><td class="mdescRight">Get the GType for this class, for use with the underlying GObject type system. <a href="#ac65058873bd0d25b316fef8729564c28">More...</a><br /></td></tr>
<tr class="separator:ac65058873bd0d25b316fef8729564c28"><td class="memSeparator" colspan="2"> </td></tr>
</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:a2603fa835a84b57ec15afd448b9b0392"><td class="memItemLeft" align="right" valign="top">PangoFontMetrics* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#a2603fa835a84b57ec15afd448b9b0392">gobject_</a></td></tr>
<tr class="separator:a2603fa835a84b57ec15afd448b9b0392"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="related"></a>
Related Functions</h2></td></tr>
<tr><td class="ititle" colspan="2"><p>(Note that these are not member functions.) </p>
</td></tr>
<tr class="memitem:a095cddfee0c25928f2303171e6250926"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#a095cddfee0c25928f2303171e6250926">swap</a> (<a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>& lhs, <a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>& rhs) noexcept</td></tr>
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<tr class="memitem:ab302b8cc7745eb3e95aa87e7720b57c6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classPango_1_1FontMetrics.html">Pango::FontMetrics</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1FontMetrics.html#ab302b8cc7745eb3e95aa87e7720b57c6">wrap</a> (PangoFontMetrics* object, bool take_copy=false)</td></tr>
<tr class="memdesc:ab302b8cc7745eb3e95aa87e7720b57c6"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="elRef" doxygen="glibmm-2.4.tag:http://library.gnome.org/devel/glibmm/unstable/" href="http://library.gnome.org/devel/glibmm/unstable/namespaceGlib.html#a671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. <a href="#ab302b8cc7745eb3e95aa87e7720b57c6">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A <a class="el" href="classPango_1_1FontMetrics.html" title="A Pango::FontMetrics holds the overall metric information for a font (possibly restricted to a script...">Pango::FontMetrics</a> holds the overall metric information for a font (possibly restricted to a script). </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="paramtype">PangoFontMetrics * </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">int Pango::FontMetrics::get_approximate_char_width </td>
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<p>Gets the approximate character width for a font metrics structure. </p>
<p>This is merely a representative value useful, for example, for determining the initial size for a window. Actual characters in text will be wider and narrower than this.</p>
<dl class="section return"><dt>Returns</dt><dd>The character width, in <a class="el" href="namespacePango.html">Pango</a> units. </dd></dl>
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<p>Gets the approximate digit width for a font metrics structure. </p>
<p>This is merely a representative value useful, for example, for determining the initial size for a window. Actual digits in text can be wider or narrower than this, though this value is generally somewhat more accurate than the result of <a class="el" href="classPango_1_1FontMetrics.html#adbbf4e1d0ea75553fdf7fee1624a5a1d" title="Gets the approximate character width for a font metrics structure. ">get_approximate_char_width()</a> for digits.</p>
<dl class="section return"><dt>Returns</dt><dd>The digit width, in <a class="el" href="namespacePango.html">Pango</a> units. </dd></dl>
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<p>Gets the ascent from a font metrics structure. </p>
<p>The ascent is the distance from the baseline to the logical top of a line of text. (The logical top may be above or below the top of the actual drawn ink. It is necessary to lay out the text to figure where the ink will be.)</p>
<dl class="section return"><dt>Returns</dt><dd>The ascent, in <a class="el" href="namespacePango.html">Pango</a> units. </dd></dl>
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<p>Gets the descent from a font metrics structure. </p>
<p>The descent is the distance from the baseline to the logical bottom of a line of text. (The logical bottom may be above or below the bottom of the actual drawn ink. It is necessary to lay out the text to figure where the ink will be.)</p>
<dl class="section return"><dt>Returns</dt><dd>The descent, in <a class="el" href="namespacePango.html">Pango</a> units. </dd></dl>
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<p>Gets the suggested position to draw the strikethrough. </p>
<p>The value returned is the distance <em>above</em> the baseline of the top of the strikethrough.</p>
<dl class="since_1_6"><dt><b><a class="el" href="since_1_6.html#_since_1_6000006">Since pangomm 1.6:</a></b></dt><dd></dd></dl>
<dl class="section return"><dt>Returns</dt><dd>The suggested strikethrough position, in <a class="el" href="namespacePango.html">Pango</a> units. </dd></dl>
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<p>Gets the suggested thickness to draw for the strikethrough. </p>
<dl class="since_1_6"><dt><b><a class="el" href="since_1_6.html#_since_1_6000007">Since pangomm 1.6:</a></b></dt><dd></dd></dl>
<dl class="section return"><dt>Returns</dt><dd>The suggested strikethrough thickness, in <a class="el" href="namespacePango.html">Pango</a> units. </dd></dl>
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<p>Get the GType for this class, for use with the underlying GObject type system. </p>
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<p>Gets the suggested position to draw the underline. </p>
<p>The value returned is the distance <em>above</em> the baseline of the top of the underline. Since most fonts have underline positions beneath the baseline, this value is typically negative.</p>
<dl class="since_1_6"><dt><b><a class="el" href="since_1_6.html#_since_1_6000004">Since pangomm 1.6:</a></b></dt><dd></dd></dl>
<dl class="section return"><dt>Returns</dt><dd>The suggested underline position, in <a class="el" href="namespacePango.html">Pango</a> units. </dd></dl>
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<p>Gets the suggested thickness to draw for the underline. </p>
<dl class="since_1_6"><dt><b><a class="el" href="since_1_6.html#_since_1_6000005">Since pangomm 1.6:</a></b></dt><dd></dd></dl>
<dl class="section return"><dt>Returns</dt><dd>The suggested underline thickness, in <a class="el" href="namespacePango.html">Pango</a> units. </dd></dl>
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<p>Provides access to the underlying C instance. </p>
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<td class="memname">const PangoFontMetrics* Pango::FontMetrics::gobj </td>
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<p>Provides access to the underlying C instance. </p>
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<p>Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs. </p>
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<td class="memname"><a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>& Pango::FontMetrics::operator= </td>
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<td class="paramtype">const <a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>& </td>
<td class="paramname"><em>other</em></td><td>)</td>
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<td class="memname"><a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>& Pango::FontMetrics::operator= </td>
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<td class="paramtype"><a class="el" href="classPango_1_1FontMetrics.html">FontMetrics</a>&& </td>
<td class="paramname"><em>other</em></td><td>)</td>
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<td class="memname">void Pango::FontMetrics::swap </td>
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<td class="paramname"><em>other</em></td><td>)</td>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<td class="memname">void swap </td>
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<td class="paramname"><em>lhs</em>, </td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">lhs</td><td>The left-hand side </td></tr>
<tr><td class="paramname">rhs</td><td>The right-hand side </td></tr>
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<td class="memname"><a class="el" href="classPango_1_1FontMetrics.html">Pango::FontMetrics</a> wrap </td>
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<td class="paramtype">PangoFontMetrics * </td>
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<p>A <a class="elRef" doxygen="glibmm-2.4.tag:http://library.gnome.org/devel/glibmm/unstable/" href="http://library.gnome.org/devel/glibmm/unstable/namespaceGlib.html#a671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">object</td><td>The C instance. </td></tr>
<tr><td class="paramname">take_copy</td><td>False if the result should take ownership of the C instance. True if it should take a new copy or ref. </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A C++ instance that wraps this C instance. </dd></dl>
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<h2 class="groupheader">Member Data Documentation</h2>
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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