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<td align="right" valign="top" width="230"><img src="images/trolltech-logo.png" align="right" width="203" height="32" border="0" /></td></tr></table><h1 align="center">QIconEnginePlugin Class Reference</h1>

<p>The QIconEnginePlugin class provides an abstract base for custom <a href="qiconengine.html">QIconEngine</a> plugins. <a href="#details">More...</a></p>

<pre>#include <QIconEnginePlugin></pre><p>Part of the <a href="qtgui.html">QtGui</a> module.</p>

<p>Inherits <a href="qobject.html">QObject</a>.</p>

<ul>

<li><a href="qiconengineplugin-members.html">List of all members, including inherited members</a></li>

</ul>

<h3>Public Functions</h3>

<ul>

<li><div class="fn"/><b><a href="qiconengineplugin.html#QIconEnginePlugin">QIconEnginePlugin</a></b> ( QObject * <i>parent</i> = 0 )</li>

<li><div class="fn"/><b><a href="qiconengineplugin.html#dtor.QIconEnginePlugin">~QIconEnginePlugin</a></b> ()</li>

<li><div class="fn"/>virtual QIconEngine * <b><a href="qiconengineplugin.html#create">create</a></b> ( const QString & <i>filename</i> ) = 0</li>

<li><div class="fn"/>virtual QStringList <b><a href="qiconengineplugin.html#keys">keys</a></b> () const = 0</li>

</ul>

<ul>

<li><div class="fn"/>28 public functions inherited from <a href="qobject.html#public-functions">QObject</a></li>

</ul>

<h3>Additional Inherited Members</h3>

<ul>

<li><div class="fn"/>1 property inherited from <a href="qobject.html#properties">QObject</a></li>

<li><div class="fn"/>1 public slot inherited from <a href="qobject.html#public-slots">QObject</a></li>

<li><div class="fn"/>1 signal inherited from <a href="qobject.html#signals">QObject</a></li>

<li><div class="fn"/>4 static public members inherited from <a href="qobject.html#static-public-members">QObject</a></li>

<li><div class="fn"/>7 protected functions inherited from <a href="qobject.html#protected-functions">QObject</a></li>

</ul>

<hr />

<h2>Detailed Description</h2>

<p>The QIconEnginePlugin class provides an abstract base for custom <a href="qiconengine.html">QIconEngine</a> plugins.</p>

<p>The icon engine plugin is a simple plugin interface that makes it easy to create custom icon engines that can be loaded dynamically into applications through <a href="qicon.html">QIcon</a>. <a href="qicon.html">QIcon</a> uses the file or resource name's suffix to determine what icon engine to use.</p>

<p>Writing a icon engine plugin is achieved by subclassing this base class, reimplementing the pure virtual functions <a href="qiconengineplugin.html#keys">keys</a>() and <a href="qiconengineplugin.html#create">create</a>(), and exporting the class with the <a href="qpluginloader.html#Q_EXPORT_PLUGIN">Q_EXPORT_PLUGIN</a>() macro.</p>

<p>See also <a href="plugins-howto.html">How to Create Qt Plugins</a>.</p>

<hr />

<h2>Member Function Documentation</h2>

<h3 class="fn"><a name="QIconEnginePlugin"></a>QIconEnginePlugin::QIconEnginePlugin ( <a href="qobject.html">QObject</a> * <i>parent</i> = 0 )</h3>

<p>Constructs a icon engine plugin with the given <i>parent</i>. This is invoked automatically by the <a href="qpluginloader.html#Q_EXPORT_PLUGIN">Q_EXPORT_PLUGIN</a>() macro.</p>

<h3 class="fn"><a name="dtor.QIconEnginePlugin"></a>QIconEnginePlugin::~QIconEnginePlugin ()</h3>

<p>Destroys the icon engine plugin.</p>

<p>You never have to call this explicitly. Qt destroys a plugin automatically when it is no longer used.</p>

<h3 class="fn"><a name="create"></a><a href="qiconengine.html">QIconEngine</a> * QIconEnginePlugin::create ( const <a href="qstring.html">QString</a> & <i>filename</i> )  <tt> [pure virtual]</tt></h3>

<p>Creates and returns a <a href="qiconengine.html">QIconEngine</a> object for the icon with the given <i>filename</i>.</p>

<p>Reimplemented from <a href="qiconenginefactoryinterface.html#create">QIconEngineFactoryInterface</a>.</p>

<h3 class="fn"><a name="keys"></a><a href="qstringlist.html">QStringList</a> QIconEnginePlugin::keys () const  <tt> [pure virtual]</tt></h3>

<p>Returns a list of icon engine keys that this plugin supports. The keys correspond to the suffix of the file or resource name used when the plugin was created.</p>

<p>Reimplemented from <a href="qfactoryinterface.html#keys">QFactoryInterface</a>.</p>

<p>See also <a href="qiconengineplugin.html#create">create</a>().</p>

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