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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<title>gtkmm 2.4: Pango::Item Class Reference</title>
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<a class="el" href="namespacePango.html">Pango</a>::<a class="el" href="classPango_1_1Item.html">Item</a></div>
<h1>Pango::Item Class Reference</h1><!-- doxytag: class="Pango::Item" --><a href="classPango_1_1Item-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
A <a class="el" href="classPango_1_1Item.html">Pango::Item</a> stores information about a segment of text.
<p>
<a class="el" href="classPango_1_1Item.html">Pango::Item</a> is used as an output type only so there is no public default constructor. You retrieve objects of this type by calling <a class="el" href="classPango_1_1Context.html#dd1982bdccb054f2dc39e17b156d59bc">Pango::Context::itemize()</a> with some text. The actual rendering of the segment of text that corresponds to a particular <a class="el" href="classPango_1_1Item.html">Pango::Item</a> (or some sub-string) into a string of glyphs is done with <a class="el" href="classPango_1_1Item.html#5de294536fc8bdf3d3be6de107c10a1d">shape()</a>. The segment of text that corresponds to a <a class="el" href="classPango_1_1Item.html">Pango::Item</a> can be computed from the text passed into <a class="el" href="classPango_1_1Context.html#dd1982bdccb054f2dc39e17b156d59bc">Pango::Context::itemize()</a> with <a class="el" href="classPango_1_1Item.html#b4eab7e49759af6466eabd7ae587c23c">get_segment()</a>. Together with the <a class="el" href="classPango_1_1Analysis.html">Pango::Analysis</a> data member that can be accessed with <a class="el" href="classPango_1_1Item.html#4a4659d653eafb8551e00782f00ff498">get_analysis()</a> it is needed for further calculations in <a class="el" href="classPango_1_1GlyphString.html">Pango::GlyphString</a>.
<p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classPango_1_1Analysis.html">Analysis</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#4a4659d653eafb8551e00782f00ff498">get_analysis</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the properties of the segment. <a href="#4a4659d653eafb8551e00782f00ff498"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#229ce7b52240683dbce4b969972b93de">get_length</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the length of the segment in bytes. <a href="#229ce7b52240683dbce4b969972b93de"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#6bfe83f61b4727b3123ce279ed462778">get_num_chars</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the length of the segment in characters. <a href="#6bfe83f61b4727b3123ce279ed462778"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#8d0c88d32f0f9f1a8010cd7c7da4aa98">get_offset</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the offset of the segment from the beginning of the string in bytes. <a href="#8d0c88d32f0f9f1a8010cd7c7da4aa98"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#b4eab7e49759af6466eabd7ae587c23c">get_segment</a> (const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1ustring.html">Glib::ustring</a>& text) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Computes the segment of text that is represented by the item. <a href="#b4eab7e49759af6466eabd7ae587c23c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const PangoItem* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#14dc4a1a817d8dd4d5cc8140b7c23c27">gobj</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GObject. <a href="#14dc4a1a817d8dd4d5cc8140b7c23c27"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PangoItem* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#1140aa02f7f8cbd0940c499cafa000bc">gobj</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GObject. <a href="#1140aa02f7f8cbd0940c499cafa000bc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PangoItem* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#1f65b02e7a1fa67f7e54afedf68efb0b">gobj_copy</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GObject. The caller is responsible for freeing it. Use when directly setting fields in structs. <a href="#1f65b02e7a1fa67f7e54afedf68efb0b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#7f865d28fec2317d19c2b0a9b702dda5">Item</a> (const <a class="el" href="classPango_1_1Item.html">Item</a>& src)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#7ff3040861b1c2ef264dae5fa41b0a74">Item</a> (PangoItem* castitem, bool make_a_copy=true)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classPango_1_1Item.html">Item</a>& </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#763c8d9b1941e1809a61d5e1ed7acea5">operator=</a> (const <a class="el" href="classPango_1_1Item.html">Item</a>& src)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classPango_1_1GlyphString.html">GlyphString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#5de294536fc8bdf3d3be6de107c10a1d">shape</a> (const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1ustring.html">Glib::ustring</a>& text) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convert a segment of text into a string of glyphs. <a href="#5de294536fc8bdf3d3be6de107c10a1d"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classPango_1_1Item.html">Item</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#d2ef5f06db85d880c3364435e882c2eb">split</a> (int split_index, int split_offset)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Modifies <em>orig</em> to cover only the text after <em>split_index</em> , and Return value: new item representing text before <em>split_index</em> , which. <a href="#d2ef5f06db85d880c3364435e882c2eb"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#ce0c5a723379b901bb84050f7f04b634">~Item</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PangoItem* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#6b8aa5b21eb343192bbe1485c237ef4a">gobject_</a></td></tr>
<tr><td colspan="2"><br><h2>Related Functions</h2></td></tr>
<tr><td colspan="2">(Note that these are not member functions.) <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classPango_1_1Item.html">Pango::Item</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Item.html#012951ae7481f7683f79b56c13df50c2">wrap</a> (PangoItem* object, bool take_copy=true)</td></tr>
</table>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="7ff3040861b1c2ef264dae5fa41b0a74"></a><!-- doxytag: member="Pango::Item::Item" ref="7ff3040861b1c2ef264dae5fa41b0a74" args="(PangoItem *castitem, bool make_a_copy=true)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">Pango::Item::Item </td>
<td>(</td>
<td class="paramtype">PangoItem * </td>
<td class="paramname"> <em>castitem</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>make_a_copy</em> = <code>true</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [explicit]</code></td>
</tr>
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</div>
<div class="memdoc">
<p>
</div>
</div><p>
<a class="anchor" name="7f865d28fec2317d19c2b0a9b702dda5"></a><!-- doxytag: member="Pango::Item::Item" ref="7f865d28fec2317d19c2b0a9b702dda5" args="(const Item &src)" -->
<div class="memitem">
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<td class="memname">Pango::Item::Item </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classPango_1_1Item.html">Item</a>& </td>
<td class="paramname"> <em>src</em> </td>
<td> ) </td>
<td width="100%"></td>
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<div class="memdoc">
<p>
</div>
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<a class="anchor" name="ce0c5a723379b901bb84050f7f04b634"></a><!-- doxytag: member="Pango::Item::~Item" ref="ce0c5a723379b901bb84050f7f04b634" args="()" -->
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<td class="memname">Pango::Item::~Item </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"></td>
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</div>
<div class="memdoc">
<p>
</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="4a4659d653eafb8551e00782f00ff498"></a><!-- doxytag: member="Pango::Item::get_analysis" ref="4a4659d653eafb8551e00782f00ff498" args="() const" -->
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<td class="memname"><a class="el" href="classPango_1_1Analysis.html">Analysis</a> Pango::Item::get_analysis </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const</td>
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<p>
Gets the properties of the segment.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The properties of the segment. </dd></dl>
</div>
</div><p>
<a class="anchor" name="229ce7b52240683dbce4b969972b93de"></a><!-- doxytag: member="Pango::Item::get_length" ref="229ce7b52240683dbce4b969972b93de" args="() const" -->
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<td class="memname">int Pango::Item::get_length </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const</td>
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</div>
<div class="memdoc">
<p>
Gets the length of the segment in bytes.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The length of the segment in bytes. </dd></dl>
</div>
</div><p>
<a class="anchor" name="6bfe83f61b4727b3123ce279ed462778"></a><!-- doxytag: member="Pango::Item::get_num_chars" ref="6bfe83f61b4727b3123ce279ed462778" args="() const" -->
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<td class="memname">int Pango::Item::get_num_chars </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const</td>
</tr>
</table>
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<div class="memdoc">
<p>
Gets the length of the segment in characters.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The length of the semgment in characters. </dd></dl>
</div>
</div><p>
<a class="anchor" name="8d0c88d32f0f9f1a8010cd7c7da4aa98"></a><!-- doxytag: member="Pango::Item::get_offset" ref="8d0c88d32f0f9f1a8010cd7c7da4aa98" args="() const" -->
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<td class="memname">int Pango::Item::get_offset </td>
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<td width="100%"> const</td>
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Gets the offset of the segment from the beginning of the string in bytes.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The offset of the segment from the beginning of the string in bytes. </dd></dl>
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<a class="anchor" name="b4eab7e49759af6466eabd7ae587c23c"></a><!-- doxytag: member="Pango::Item::get_segment" ref="b4eab7e49759af6466eabd7ae587c23c" args="(const Glib::ustring &text) const" -->
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<td class="memname"><a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> Pango::Item::get_segment </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> & </td>
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<p>
Computes the segment of text that is represented by the item.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>text</em> </td><td>The text that has been passed into <a class="el" href="classPango_1_1Context.html#dd1982bdccb054f2dc39e17b156d59bc">Pango::Context::itemize()</a>. </td></tr>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>The sub-string of <em>text</em> that corresponds to the item. </dd></dl>
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<a class="anchor" name="14dc4a1a817d8dd4d5cc8140b7c23c27"></a><!-- doxytag: member="Pango::Item::gobj" ref="14dc4a1a817d8dd4d5cc8140b7c23c27" args="() const" -->
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<td class="memname">const PangoItem* Pango::Item::gobj </td>
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Provides access to the underlying C GObject.
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<a class="anchor" name="1140aa02f7f8cbd0940c499cafa000bc"></a><!-- doxytag: member="Pango::Item::gobj" ref="1140aa02f7f8cbd0940c499cafa000bc" args="()" -->
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<td class="memname">PangoItem* Pango::Item::gobj </td>
<td>(</td>
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<td width="100%"><code> [inline]</code></td>
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Provides access to the underlying C GObject.
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<a class="anchor" name="1f65b02e7a1fa67f7e54afedf68efb0b"></a><!-- doxytag: member="Pango::Item::gobj_copy" ref="1f65b02e7a1fa67f7e54afedf68efb0b" args="() const" -->
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<td class="memname">PangoItem* Pango::Item::gobj_copy </td>
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Provides access to the underlying C GObject. The caller is responsible for freeing it. Use when directly setting fields in structs.
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<a class="anchor" name="763c8d9b1941e1809a61d5e1ed7acea5"></a><!-- doxytag: member="Pango::Item::operator=" ref="763c8d9b1941e1809a61d5e1ed7acea5" args="(const Item &src)" -->
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<td class="memname"><a class="el" href="classPango_1_1Item.html">Item</a>& Pango::Item::operator= </td>
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<a class="anchor" name="5de294536fc8bdf3d3be6de107c10a1d"></a><!-- doxytag: member="Pango::Item::shape" ref="5de294536fc8bdf3d3be6de107c10a1d" args="(const Glib::ustring &text) const" -->
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<td class="memname"><a class="el" href="classPango_1_1GlyphString.html">GlyphString</a> Pango::Item::shape </td>
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<td class="paramtype">const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1ustring.html">Glib::ustring</a> & </td>
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Convert a segment of text into a string of glyphs.
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td valign="top"></td><td valign="top"><em>text</em> </td><td>The text to process. This must either be the whole segment of text that corresponds to the item as returned by <a class="el" href="classPango_1_1Item.html#b4eab7e49759af6466eabd7ae587c23c">get_segment()</a> or a sub-string of that segment. You need to pass the same text to the member functions of <a class="el" href="classPango_1_1GlyphString.html">Pango::GlyphString</a> for further calculations. </td></tr>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>A <a class="el" href="classPango_1_1GlyphString.html">Pango::GlyphString</a> object that can be measured or drawn. </dd></dl>
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<a class="anchor" name="d2ef5f06db85d880c3364435e882c2eb"></a><!-- doxytag: member="Pango::Item::split" ref="d2ef5f06db85d880c3364435e882c2eb" args="(int split_index, int split_offset)" -->
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<td class="memname"><a class="el" href="classPango_1_1Item.html">Item</a> Pango::Item::split </td>
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Modifies <em>orig</em> to cover only the text after <em>split_index</em> , and Return value: new item representing text before <em>split_index</em> , which.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>split_index</em> </td><td>Byte index of position to split item, relative to the start of the item. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>split_offset</em> </td><td>Number of chars between start of <em>orig</em> and <em>split_index</em> . </td></tr>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>New item representing text before <em>split_index</em> , which should be freed with pango_item_free(). </dd></dl>
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<hr><h2>Friends And Related Function Documentation</h2>
<a class="anchor" name="012951ae7481f7683f79b56c13df50c2"></a><!-- doxytag: member="Pango::Item::wrap" ref="012951ae7481f7683f79b56c13df50c2" args="(PangoItem *object, bool take_copy=true)" -->
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<td class="memname"><a class="el" href="classPango_1_1Item.html">Pango::Item</a> wrap </td>
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<td class="paramtype">PangoItem * </td>
<td class="paramname"> <em>object</em>, </td>
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<td class="paramtype">bool </td>
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<td>)</td>
<td></td><td></td><td width="100%"><code> [related]</code></td>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="6b8aa5b21eb343192bbe1485c237ef4a"></a><!-- doxytag: member="Pango::Item::gobject_" ref="6b8aa5b21eb343192bbe1485c237ef4a" args="" -->
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<td class="memname">PangoItem* <a class="el" href="classPango_1_1Item.html#6b8aa5b21eb343192bbe1485c237ef4a">Pango::Item::gobject_</a><code> [protected]</code> </td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="pango_2pangomm_2item_8h.html">pango/pangomm/item.h</a></ul>
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