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  • Committer: Bazaar Package Importer
  • Author(s): Sebastien Bacher
  • Date: 2007-09-17 11:15:05 UTC
  • mto: (72.1.1 lenny) (1.4.1 upstream)
  • mto: This revision was merged to the branch mainline in revision 55.
  • Revision ID: james.westby@ubuntu.com-20070917111505-giz9c5xltxkb5y54
Tags: upstream-2.12.0
Import upstream version 2.12.0

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docs/reference/gtk/html/gtk-Graphics-Contexts.html
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<title>Graphics Contexts</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.72.0">
 
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2">
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<link rel="start" href="index.html" title="GTK+ Reference Manual">
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<link rel="up" href="gtkbase.html" title="Part&#160;II.&#160;GTK+ Core Reference">
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<link rel="prev" href="gtk-Standard-Enumerations.html" title="Standard Enumerations">
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<link rel="next" href="GtkStyle.html" title="Styles">
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<meta name="generator" content="GTK-Doc V1.7 (XML mode)">
 
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<meta name="generator" content="GTK-Doc V1.8 (XML mode)">
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<link rel="stylesheet" href="style.css" type="text/css">
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<link rel="part" href="gtk.html" title="Part&#160;I.&#160;GTK+ Overview">
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<link rel="part" href="gtkbase.html" title="Part&#160;II.&#160;GTK+ Core Reference">
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<th width="100%" align="center">GTK+ Reference Manual</th>
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<td><a accesskey="n" href="GtkStyle.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
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</tr>
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id3112586" class="shortcut">Top</a>
 
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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id2863574" class="shortcut">Top</a>
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                  &#160;|&#160;
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                  <a href="#id3112671" class="shortcut">Description</a></nobr></td></tr>
 
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                  <a href="#id2863659" class="shortcut">Description</a></nobr></td></tr>
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</table>
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<div class="refentry" lang="en">
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<a name="gtk-Graphics-Contexts"></a><div class="titlepage"></div>
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<div class="refnamediv"><table width="100%"><tr>
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<td valign="top">
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<h2>
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<a name="id3112586"></a><span class="refentrytitle">Graphics Contexts</span>
 
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<a name="id2863574"></a><span class="refentrytitle">Graphics Contexts</span>
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</h2>
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<p>Graphics Contexts &#8212; A shared pool of GdkGC objects</p>
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</td>
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<a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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>GdkGC</a>*              <a href="gtk-Graphics-Contexts.html#gtk-gc-get">gtk_gc_get</a>                          (<a
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href="/home/mclasen/gnome-2.18/install/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
 
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>GdkGC</a>*              <a class="link" href="gtk-Graphics-Contexts.html#gtk-gc-get">gtk_gc_get</a>                          (<a
 
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> depth,
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                                                         <a
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href="../gdk/gdk-Colormaps-and-Colors.html#GdkColormap"
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                                                         <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGCValuesMask"
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>GdkGCValuesMask</a> values_mask);
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void                <a href="gtk-Graphics-Contexts.html#gtk-gc-release">gtk_gc_release</a>                      (<a
 
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void                <a class="link" href="gtk-Graphics-Contexts.html#gtk-gc-release">gtk_gc_release</a>                      (<a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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>GdkGC</a> *gc);
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</pre>
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</div>
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<div class="refsect1" lang="en">
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<a name="id3112671"></a><h2>Description</h2>
 
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<a name="id2863659"></a><h2>Description</h2>
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<p>
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These functions provide access to a shared pool of <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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><span class="type">GdkGC</span></a> objects.
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When a new <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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><span class="type">GdkGC</span></a> is needed, <a href="gtk-Graphics-Contexts.html#gtk-gc-get"><code class="function">gtk_gc_get()</code></a> is called with the required depth,
 
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><span class="type">GdkGC</span></a> is needed, <a class="link" href="gtk-Graphics-Contexts.html#gtk-gc-get"><code class="function">gtk_gc_get()</code></a> is called with the required depth,
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colormap and <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGCValues"
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><span class="type">GdkGCValues</span></a>. If a <a
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><span class="type">GdkGC</span></a> is created.
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When the <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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><span class="type">GdkGC</span></a> is no longer needed, <a href="gtk-Graphics-Contexts.html#gtk-gc-release"><code class="function">gtk_gc_release()</code></a> should be called.
 
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><span class="type">GdkGC</span></a> is no longer needed, <a class="link" href="gtk-Graphics-Contexts.html#gtk-gc-release"><code class="function">gtk_gc_release()</code></a> should be called.
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</p>
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</div>
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<div class="refsect1" lang="en">
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<a name="id3112759"></a><h2>Details</h2>
 
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<a name="id2863747"></a><h2>Details</h2>
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<div class="refsect2" lang="en">
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<a name="id3112769"></a><h3>
 
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<a name="id2863757"></a><h3>
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<a name="gtk-gc-get"></a>gtk_gc_get ()</h3>
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<a class="indexterm" name="id3112782"></a><pre class="programlisting"><a
 
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<a class="indexterm" name="id2863770"></a><pre class="programlisting"><a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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>GdkGC</a>*              gtk_gc_get                          (<a
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href="/home/mclasen/gnome-2.18/install/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
 
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href="../glib/glib-Basic-Types.html#gint"
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>gint</a> depth,
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                                                         <a
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href="../gdk/gdk-Colormaps-and-Colors.html#GdkColormap"
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><span class="type">GdkGC</span></a> is created.
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The returned <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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><span class="type">GdkGC</span></a> should be released with <a href="gtk-Graphics-Contexts.html#gtk-gc-release"><code class="function">gtk_gc_release()</code></a> when it is no
 
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><span class="type">GdkGC</span></a> should be released with <a class="link" href="gtk-Graphics-Contexts.html#gtk-gc-release"><code class="function">gtk_gc_release()</code></a> when it is no
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longer needed.
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><span class="term"><em class="parameter"><code>depth</code></em>&#160;:</span></td>
 
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<td><p><span class="term"><em class="parameter"><code>depth</code></em>&#160;:</span></p></td>
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<td>the depth of the <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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><span class="type">GdkGC</span></a> to create.
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>colormap</code></em>&#160;:</span></td>
 
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<td><p><span class="term"><em class="parameter"><code>colormap</code></em>&#160;:</span></p></td>
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<td>the <a
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href="../gdk/gdk-Colormaps-and-Colors.html#GdkColormap"
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><span class="type">GdkColormap</span></a> (FIXME: I don't know why this is needed).
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>values</code></em>&#160;:</span></td>
 
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<td><p><span class="term"><em class="parameter"><code>values</code></em>&#160;:</span></p></td>
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<td>a <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGCValues"
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><span class="type">GdkGCValues</span></a> struct containing settings for the <a
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</td>
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</tr>
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<tr>
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<td><span class="term"><em class="parameter"><code>values_mask</code></em>&#160;:</span></td>
 
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<td><p><span class="term"><em class="parameter"><code>values_mask</code></em>&#160;:</span></p></td>
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<td>a set of flags indicating which of the fields in <em class="parameter"><code>values</code></em> has
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been set.
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</td>
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</tr>
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<tr>
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<td><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
 
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
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<td>a <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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><span class="type">GdkGC</span></a>.
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id3113005"></a><h3>
 
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<a name="id2863993"></a><h3>
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<a name="gtk-gc-release"></a>gtk_gc_release ()</h3>
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<a class="indexterm" name="id3113018"></a><pre class="programlisting">void                gtk_gc_release                      (<a
 
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<a class="indexterm" name="id2864006"></a><pre class="programlisting">void                gtk_gc_release                      (<a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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>GdkGC</a> *gc);</pre>
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<p>
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Releases a <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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><span class="type">GdkGC</span></a> allocated using <a href="gtk-Graphics-Contexts.html#gtk-gc-get"><code class="function">gtk_gc_get()</code></a>.
 
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><span class="type">GdkGC</span></a> allocated using <a class="link" href="gtk-Graphics-Contexts.html#gtk-gc-get"><code class="function">gtk_gc_get()</code></a>.
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</p>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody><tr>
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<td><span class="term"><em class="parameter"><code>gc</code></em>&#160;:</span></td>
 
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<td><p><span class="term"><em class="parameter"><code>gc</code></em>&#160;:</span></p></td>
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<td>a <a
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href="../gdk/gdk-Graphics-Contexts.html#GdkGC"
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><span class="type">GdkGC</span></a>.
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</table></div>
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</div>
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</div>
 
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<div class="refsect1" lang="en">
 
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<a name="id2864079"></a><div class="refsect2" lang="en"><a name="id2864080"></a></div>
 
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<hr>
 
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<div class="refsect2" lang="en"><a name="id2864081"></a></div>
 
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</div>
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</div>
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</body>
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</html>