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Breadcrumbs go here --> <li><a href="modules.html">Modules</a></li> <li><a href="qtgui.html">QtGui</a></li> <li>QPictureFormatPlugin</li> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <h1 class="title">QPictureFormatPlugin Class Reference</h1> <!-- $$$QPictureFormatPlugin-brief --> <p>The QPictureFormatPlugin class provides an abstract base for custom picture format plugins. <a href="#details">More...</a></p> <!-- @@@QPictureFormatPlugin --> <pre class="cpp"> <span class="preprocessor">#include <QPictureFormatPlugin></span></pre><p><b>This class is obsolete.</b> It is provided to keep old source code working. We strongly advise against using it in new code.</p> <p><b>Inherits: </b><a href="qobject.html">QObject</a>.</p> <ul> <li><a href="qpictureformatplugin-members.html">List of all members, including inherited members</a></li> </ul> <a name="public-functions"></a> <h2>Public Functions</h2> <table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qpictureformatplugin.html#QPictureFormatPlugin">QPictureFormatPlugin</a></b> ( QObject * <i>parent</i> = 0 )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qpictureformatplugin.html#dtor.QPictureFormatPlugin">~QPictureFormatPlugin</a></b> ()</td></tr> </table> <a name="reimplemented-public-functions"></a> <h2>Reimplemented Public Functions</h2> <table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qpictureformatplugin.html#installIOHandler">installIOHandler</a></b> ( const QString & <i>format</i> ) = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QStringList </td><td class="memItemRight bottomAlign"><b><a href="qpictureformatplugin.html#keys">keys</a></b> () const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qpictureformatplugin.html#loadPicture">loadPicture</a></b> ( const QString & <i>format</i>, const QString & <i>fileName</i>, QPicture * <i>picture</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qpictureformatplugin.html#savePicture">savePicture</a></b> ( const QString & <i>format</i>, const QString & <i>fileName</i>, const QPicture & <i>picture</i> )</td></tr> </table> <ul> <li class="fn">29 public functions inherited from <a href="qobject.html#public-functions">QObject</a></li> </ul> <h3>Additional Inherited Members</h3> <ul> <li class="fn">1 property inherited from <a href="qobject.html#properties">QObject</a></li> <li class="fn">1 public slot inherited from <a href="qobject.html#public-slots">QObject</a></li> <li class="fn">1 signal inherited from <a href="qobject.html#signals">QObject</a></li> <li class="fn">7 static public members inherited from <a href="qobject.html#static-public-members">QObject</a></li> <li class="fn">8 protected functions inherited from <a href="qobject.html#protected-functions">QObject</a></li> </ul> <a name="details"></a> <!-- $$$QPictureFormatPlugin-description --> <div class="descr"> <h2>Detailed Description</h2> <p>The QPictureFormatPlugin class provides an abstract base for custom picture format plugins.</p> <p>The picture format plugin is a simple plugin interface that makes it easy to create custom picture formats that can be used transparently by applications.</p> <p>Writing an picture format plugin is achieved by subclassing this base class, reimplementing the pure virtual functions <a href="qpictureformatplugin.html#keys">keys</a>(), <a href="qpictureformatplugin.html#loadPicture">loadPicture</a>(), <a href="qpictureformatplugin.html#savePicture">savePicture</a>(), and <a href="qpictureformatplugin.html#installIOHandler">installIOHandler</a>(), and exporting the class with the <a href="qtplugin.html#Q_EXPORT_PLUGIN2">Q_EXPORT_PLUGIN2</a>() macro.</p> </div> <p><b>See also </b><a href="plugins-howto.html">How to Create Qt Plugins</a>.</p> <!-- @@@QPictureFormatPlugin --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QPictureFormatPlugin[overload1]$$$QPictureFormatPluginQObject* --> <h3 class="fn"><a name="QPictureFormatPlugin"></a>QPictureFormatPlugin::<span class="name">QPictureFormatPlugin</span> ( <span class="type"><a href="qobject.html">QObject</a></span> * <i>parent</i> = 0 )</h3> <p>Constructs an picture format plugin with the given <i>parent</i>. This is invoked automatically by the <a href="qtplugin.html#Q_EXPORT_PLUGIN2">Q_EXPORT_PLUGIN2</a>() macro.</p> <!-- @@@QPictureFormatPlugin --> <!-- $$$~QPictureFormatPlugin[overload1]$$$~QPictureFormatPlugin --> <h3 class="fn"><a name="dtor.QPictureFormatPlugin"></a>QPictureFormatPlugin::<span class="name">~QPictureFormatPlugin</span> ()</h3> <p>Destroys the picture format plugin.</p> <p>You never have to call this explicitly. Qt destroys a plugin automatically when it is no longer used.</p> <!-- @@@~QPictureFormatPlugin --> <!-- $$$installIOHandler[overload1]$$$installIOHandlerconstQString& --> <h3 class="fn"><a name="installIOHandler"></a><span class="type">bool</span> QPictureFormatPlugin::<span class="name">installIOHandler</span> ( const <span class="type"><a href="qstring.html">QString</a></span> & <i>format</i> )<tt> [pure virtual]</tt></h3> <p>Installs a <a href="qpictureio.html" class="obsolete">QPictureIO<sup>(obsolete)</sup></a> picture I/O handler for the picture format <i>format</i>.</p> <p><b>See also </b><a href="qpictureformatplugin.html#keys">keys</a>().</p> <!-- @@@installIOHandler --> <!-- $$$keys[overload1]$$$keys --> <h3 class="fn"><a name="keys"></a><span class="type"><a href="qstringlist.html">QStringList</a></span> QPictureFormatPlugin::<span class="name">keys</span> () const<tt> [pure virtual]</tt></h3> <p>Returns the list of picture formats this plugin supports.</p> <p><b>See also </b><a href="qpictureformatplugin.html#installIOHandler">installIOHandler</a>().</p> <!-- @@@keys --> <!-- $$$loadPicture[overload1]$$$loadPictureconstQString&constQString&QPicture* --> <h3 class="fn"><a name="loadPicture"></a><span class="type">bool</span> QPictureFormatPlugin::<span class="name">loadPicture</span> ( const <span class="type"><a href="qstring.html">QString</a></span> & <i>format</i>, const <span class="type"><a href="qstring.html">QString</a></span> & <i>fileName</i>, <span class="type"><a href="qpicture.html">QPicture</a></span> * <i>picture</i> )<tt> [virtual]</tt></h3> <p>Loads the picture stored in the file called <i>fileName</i>, with the given <i>format</i>, into *<i>picture</i>. Returns true on success; otherwise returns false.</p> <p><b>See also </b><a href="qpictureformatplugin.html#savePicture">savePicture</a>().</p> <!-- @@@loadPicture --> <!-- $$$savePicture[overload1]$$$savePictureconstQString&constQString&constQPicture& --> <h3 class="fn"><a name="savePicture"></a><span class="type">bool</span> QPictureFormatPlugin::<span class="name">savePicture</span> ( const <span class="type"><a href="qstring.html">QString</a></span> & <i>format</i>, const <span class="type"><a href="qstring.html">QString</a></span> & <i>fileName</i>, const <span class="type"><a href="qpicture.html">QPicture</a></span> & <i>picture</i> )<tt> [virtual]</tt></h3> <p>Saves the given <i>picture</i> into the file called <i>fileName</i>, using the specified <i>format</i>. Returns true on success; otherwise returns false.</p> <p><b>See also </b><a href="qpictureformatplugin.html#loadPicture">loadPicture</a>().</p> <!-- @@@savePicture --> </div> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.</p> <br /> <p> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.</p> <p> Documentation sources may be obtained from <a href="http://www.qt-project.org"> www.qt-project.org</a>.</p> <br /> <p> Qt and respective logos are trademarks of The Qt Company Ltd in Finland and/or other countries worldwide. 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