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Breadcrumbs go here --> <li><a href="modules.html">Modules</a></li> <li><a href="qtgui.html">QtGui</a></li> <li>QGraphicsPolygonItem</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">QGraphicsPolygonItem Class Reference</h1> <!-- $$$QGraphicsPolygonItem-brief --> <p>The QGraphicsPolygonItem class provides a polygon item that you can add to a <a href="qgraphicsscene.html">QGraphicsScene</a>. <a href="#details">More...</a></p> <!-- @@@QGraphicsPolygonItem --> <pre class="cpp"> <span class="preprocessor">#include <QGraphicsPolygonItem></span></pre><p><b>Inherits: </b><a href="qabstractgraphicsshapeitem.html">QAbstractGraphicsShapeItem</a>.</p> <p><b>Inherited by: </b></p> <p>This class was introduced in Qt 4.2.</p> <ul> <li><a href="qgraphicspolygonitem-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="qgraphicspolygonitem.html#QGraphicsPolygonItem">QGraphicsPolygonItem</a></b> ( QGraphicsItem * <i>parent</i> = 0 )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#QGraphicsPolygonItem-2">QGraphicsPolygonItem</a></b> ( const QPolygonF & <i>polygon</i>, QGraphicsItem * <i>parent</i> = 0 )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#dtor.QGraphicsPolygonItem">~QGraphicsPolygonItem</a></b> ()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> Qt::FillRule </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#fillRule">fillRule</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QPolygonF </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#polygon">polygon</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#setFillRule">setFillRule</a></b> ( Qt::FillRule <i>rule</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#setPolygon">setPolygon</a></b> ( const QPolygonF & <i>polygon</i> )</td></tr> </table> <a name="reimplemented-public-functions"></a> <h2>Reimplemented Public Functions</h2> <table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> virtual QRectF </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#boundingRect">boundingRect</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#contains">contains</a></b> ( const QPointF & <i>point</i> ) const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#isObscuredBy">isObscuredBy</a></b> ( const QGraphicsItem * <i>item</i> ) const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QPainterPath </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#opaqueArea">opaqueArea</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#paint">paint</a></b> ( QPainter * <i>painter</i>, const QStyleOptionGraphicsItem * <i>option</i>, QWidget * <i>widget</i> = 0 )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QPainterPath </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#shape">shape</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qgraphicspolygonitem.html#type">type</a></b> () const</td></tr> </table> <ul> <li class="fn">6 public functions inherited from <a href="qabstractgraphicsshapeitem.html#public-functions">QAbstractGraphicsShapeItem</a></li> <li class="fn">177 public functions inherited from <a href="qgraphicsitem.html#public-functions">QGraphicsItem</a></li> </ul> <h3>Additional Inherited Members</h3> <ul> <li class="fn">2 static public members inherited from <a href="qgraphicsitem.html#static-public-members">QGraphicsItem</a></li> <li class="fn">24 protected functions inherited from <a href="qgraphicsitem.html#protected-functions">QGraphicsItem</a></li> </ul> <a name="details"></a> <!-- $$$QGraphicsPolygonItem-description --> <div class="descr"> <h2>Detailed Description</h2> <p>The QGraphicsPolygonItem class provides a polygon item that you can add to a <a href="qgraphicsscene.html">QGraphicsScene</a>.</p> <p>To set the item's polygon, pass a <a href="qpolygonf.html">QPolygonF</a> to QGraphicsPolygonItem's constructor, or call the <a href="qgraphicspolygonitem.html#setPolygon">setPolygon</a>() function. The <a href="qgraphicspolygonitem.html#polygon">polygon</a>() function returns the current polygon.</p> <p class="centerAlign"><img src="images/graphicsview-polygonitem.png" alt="" /></p><p>QGraphicsPolygonItem uses the polygon and the pen width to provide a reasonable implementation of <a href="qgraphicspolygonitem.html#boundingRect">boundingRect</a>(), <a href="qgraphicspolygonitem.html#shape">shape</a>(), and <a href="qgraphicspolygonitem.html#contains">contains</a>(). The <a href="qgraphicspolygonitem.html#paint">paint</a>() function draws the polygon using the item's associated pen and brush, which you can set by calling the <a href="qabstractgraphicsshapeitem.html#setPen">setPen</a>() and <a href="qabstractgraphicsshapeitem.html#setBrush">setBrush</a>() functions.</p> </div> <p><b>See also </b><a href="qgraphicspathitem.html">QGraphicsPathItem</a>, <a href="qgraphicsrectitem.html">QGraphicsRectItem</a>, <a href="qgraphicsellipseitem.html">QGraphicsEllipseItem</a>, <a href="qgraphicstextitem.html">QGraphicsTextItem</a>, <a href="qgraphicslineitem.html">QGraphicsLineItem</a>, <a href="qgraphicspixmapitem.html">QGraphicsPixmapItem</a>, and <a href="graphicsview.html">Graphics View Framework</a>.</p> <!-- @@@QGraphicsPolygonItem --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QGraphicsPolygonItem[overload1]$$$QGraphicsPolygonItemQGraphicsItem* --> <h3 class="fn"><a name="QGraphicsPolygonItem"></a>QGraphicsPolygonItem::<span class="name">QGraphicsPolygonItem</span> ( <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span> * <i>parent</i> = 0 )</h3> <p>Constructs a <a href="qgraphicspolygonitem.html">QGraphicsPolygonItem</a>. <i>parent</i> is passed to <a href="qabstractgraphicsshapeitem.html">QAbstractGraphicsShapeItem</a>'s constructor.</p> <p><b>See also </b><a href="qgraphicsscene.html#addItem">QGraphicsScene::addItem</a>().</p> <!-- @@@QGraphicsPolygonItem --> <!-- $$$QGraphicsPolygonItem$$$QGraphicsPolygonItemconstQPolygonF&QGraphicsItem* --> <h3 class="fn"><a name="QGraphicsPolygonItem-2"></a>QGraphicsPolygonItem::<span class="name">QGraphicsPolygonItem</span> ( const <span class="type"><a href="qpolygonf.html">QPolygonF</a></span> & <i>polygon</i>, <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span> * <i>parent</i> = 0 )</h3> <p>Constructs a <a href="qgraphicspolygonitem.html">QGraphicsPolygonItem</a> with <i>polygon</i> as the default polygon. <i>parent</i> is passed to <a href="qabstractgraphicsshapeitem.html">QAbstractGraphicsShapeItem</a>'s constructor.</p> <p><b>See also </b><a href="qgraphicsscene.html#addItem">QGraphicsScene::addItem</a>().</p> <!-- @@@QGraphicsPolygonItem --> <!-- $$$~QGraphicsPolygonItem[overload1]$$$~QGraphicsPolygonItem --> <h3 class="fn"><a name="dtor.QGraphicsPolygonItem"></a>QGraphicsPolygonItem::<span class="name">~QGraphicsPolygonItem</span> ()</h3> <p>Destroys the <a href="qgraphicspolygonitem.html">QGraphicsPolygonItem</a>.</p> <!-- @@@~QGraphicsPolygonItem --> <!-- $$$boundingRect[overload1]$$$boundingRect --> <h3 class="fn"><a name="boundingRect"></a><span class="type"><a href="qrectf.html">QRectF</a></span> QGraphicsPolygonItem::<span class="name">boundingRect</span> () const<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="qgraphicsitem.html#boundingRect">QGraphicsItem::boundingRect</a>().</p> <!-- @@@boundingRect --> <!-- $$$contains[overload1]$$$containsconstQPointF& --> <h3 class="fn"><a name="contains"></a><span class="type">bool</span> QGraphicsPolygonItem::<span class="name">contains</span> ( const <span class="type"><a href="qpointf.html">QPointF</a></span> & <i>point</i> ) const<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="qgraphicsitem.html#contains">QGraphicsItem::contains</a>().</p> <!-- @@@contains --> <!-- $$$fillRule[overload1]$$$fillRule --> <h3 class="fn"><a name="fillRule"></a><span class="type"><a href="qt.html#FillRule-enum">Qt::FillRule</a></span> QGraphicsPolygonItem::<span class="name">fillRule</span> () const</h3> <p>Returns the fill rule of the polygon. The default fill rule is <a href="qt.html#FillRule-enum">Qt::OddEvenFill</a>.</p> <p><b>See also </b><a href="qgraphicspolygonitem.html#setFillRule">setFillRule</a>(), <a href="qpainterpath.html#fillRule">QPainterPath::fillRule</a>(), and <a href="qpainter.html#drawPolygon">QPainter::drawPolygon</a>().</p> <!-- @@@fillRule --> <!-- $$$isObscuredBy[overload1]$$$isObscuredByconstQGraphicsItem* --> <h3 class="fn"><a name="isObscuredBy"></a><span class="type">bool</span> QGraphicsPolygonItem::<span class="name">isObscuredBy</span> ( const <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span> * <i>item</i> ) const<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="qgraphicsitem.html#isObscuredBy">QGraphicsItem::isObscuredBy</a>().</p> <!-- @@@isObscuredBy --> <!-- $$$opaqueArea[overload1]$$$opaqueArea --> <h3 class="fn"><a name="opaqueArea"></a><span class="type"><a href="qpainterpath.html">QPainterPath</a></span> QGraphicsPolygonItem::<span class="name">opaqueArea</span> () const<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="qgraphicsitem.html#opaqueArea">QGraphicsItem::opaqueArea</a>().</p> <!-- @@@opaqueArea --> <!-- $$$paint[overload1]$$$paintQPainter*constQStyleOptionGraphicsItem*QWidget* --> <h3 class="fn"><a name="paint"></a><span class="type">void</span> QGraphicsPolygonItem::<span class="name">paint</span> ( <span class="type"><a href="qpainter.html">QPainter</a></span> * <i>painter</i>, const <span class="type"><a href="qstyleoptiongraphicsitem.html">QStyleOptionGraphicsItem</a></span> * <i>option</i>, <span class="type"><a href="qwidget.html">QWidget</a></span> * <i>widget</i> = 0 )<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="qgraphicsitem.html#paint">QGraphicsItem::paint</a>().</p> <!-- @@@paint --> <!-- $$$polygon[overload1]$$$polygon --> <h3 class="fn"><a name="polygon"></a><span class="type"><a href="qpolygonf.html">QPolygonF</a></span> QGraphicsPolygonItem::<span class="name">polygon</span> () const</h3> <p>Returns the item's polygon, or an empty polygon if no polygon has been set.</p> <p><b>See also </b><a href="qgraphicspolygonitem.html#setPolygon">setPolygon</a>().</p> <!-- @@@polygon --> <!-- $$$setFillRule[overload1]$$$setFillRuleQt::FillRule --> <h3 class="fn"><a name="setFillRule"></a><span class="type">void</span> QGraphicsPolygonItem::<span class="name">setFillRule</span> ( <span class="type"><a href="qt.html#FillRule-enum">Qt::FillRule</a></span> <i>rule</i> )</h3> <p>Sets the fill rule of the polygon to <i>rule</i>. The default fill rule is <a href="qt.html#FillRule-enum">Qt::OddEvenFill</a>.</p> <p><b>See also </b><a href="qgraphicspolygonitem.html#fillRule">fillRule</a>(), <a href="qpainterpath.html#fillRule">QPainterPath::fillRule</a>(), and <a href="qpainter.html#drawPolygon">QPainter::drawPolygon</a>().</p> <!-- @@@setFillRule --> <!-- $$$setPolygon[overload1]$$$setPolygonconstQPolygonF& --> <h3 class="fn"><a name="setPolygon"></a><span class="type">void</span> QGraphicsPolygonItem::<span class="name">setPolygon</span> ( const <span class="type"><a href="qpolygonf.html">QPolygonF</a></span> & <i>polygon</i> )</h3> <p>Sets the item's polygon to be the given <i>polygon</i>.</p> <p><b>See also </b><a href="qgraphicspolygonitem.html#polygon">polygon</a>().</p> <!-- @@@setPolygon --> <!-- $$$shape[overload1]$$$shape --> <h3 class="fn"><a name="shape"></a><span class="type"><a href="qpainterpath.html">QPainterPath</a></span> QGraphicsPolygonItem::<span class="name">shape</span> () const<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="qgraphicsitem.html#shape">QGraphicsItem::shape</a>().</p> <!-- @@@shape --> <!-- $$$type[overload1]$$$type --> <h3 class="fn"><a name="type"></a><span class="type">int</span> QGraphicsPolygonItem::<span class="name">type</span> () const<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="qgraphicsitem.html#type">QGraphicsItem::type</a>().</p> <!-- @@@type --> </div> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. 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