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<h1 class="title">QGraphicsEllipseItem Class Reference</h1>
<!-- $$$QGraphicsEllipseItem-brief -->
<p>The QGraphicsEllipseItem class provides an ellipse item that you can add to a <a href="qgraphicsscene.html">QGraphicsScene</a>. <a href="#details">More...</a></p>
<!-- @@@QGraphicsEllipseItem -->
<pre class="cpp"> <span class="preprocessor">#include <QGraphicsEllipseItem></span></pre><p><b>Inherits: </b><a href="qabstractgraphicsshapeitem.html">QAbstractGraphicsShapeItem</a>.</p>
<p>This class was introduced in Qt 4.2.</p>
<ul>
<li><a href="qgraphicsellipseitem-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="qgraphicsellipseitem.html#QGraphicsEllipseItem">QGraphicsEllipseItem</a></b> ( QGraphicsItem * <i>parent</i> = 0 )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.html#QGraphicsEllipseItem-2">QGraphicsEllipseItem</a></b> ( const QRectF & <i>rect</i>, QGraphicsItem * <i>parent</i> = 0 )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.html#QGraphicsEllipseItem-3">QGraphicsEllipseItem</a></b> ( qreal <i>x</i>, qreal <i>y</i>, qreal <i>width</i>, qreal <i>height</i>, QGraphicsItem * <i>parent</i> = 0 )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.html#dtor.QGraphicsEllipseItem">~QGraphicsEllipseItem</a></b> ()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QRectF </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.html#rect">rect</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.html#setRect">setRect</a></b> ( const QRectF & <i>rect</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.html#setRect-2">setRect</a></b> ( qreal <i>x</i>, qreal <i>y</i>, qreal <i>width</i>, qreal <i>height</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.html#setSpanAngle">setSpanAngle</a></b> ( int <i>angle</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.html#setStartAngle">setStartAngle</a></b> ( int <i>angle</i> )</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.html#spanAngle">spanAngle</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.html#startAngle">startAngle</a></b> () const</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="qgraphicsellipseitem.html#boundingRect">boundingRect</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.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="qgraphicsellipseitem.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="qgraphicsellipseitem.html#opaqueArea">opaqueArea</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.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="qgraphicsellipseitem.html#shape">shape</a></b> () const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsellipseitem.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>
<!-- $$$QGraphicsEllipseItem-description -->
<div class="descr">
<h2>Detailed Description</h2>
<p>The QGraphicsEllipseItem class provides an ellipse item that you can add to a <a href="qgraphicsscene.html">QGraphicsScene</a>.</p>
<p>QGraphicsEllipseItem respresents an ellipse with a fill and an outline, and you can also use it for ellipse segments (see <a href="qgraphicsellipseitem.html#startAngle">startAngle</a>(), <a href="qgraphicsellipseitem.html#spanAngle">spanAngle</a>()).</p>
<table class="generic">
<tr valign="top" class="odd"><td ><img src="images/graphicsview-ellipseitem.png" alt="" /></td><td ><img src="images/graphicsview-ellipseitem-pie.png" alt="" /></td></tr>
</table>
<p>To set the item's ellipse, pass a <a href="qrectf.html">QRectF</a> to QGraphicsEllipseItem's constructor, or call <a href="qgraphicsellipseitem.html#setRect">setRect</a>(). The <a href="qgraphicsellipseitem.html#rect">rect</a>() function returns the current ellipse geometry.</p>
<p>QGraphicsEllipseItem uses the rect and the pen width to provide a reasonable implementation of <a href="qgraphicsellipseitem.html#boundingRect">boundingRect</a>(), <a href="qgraphicsellipseitem.html#shape">shape</a>(), and <a href="qgraphicsellipseitem.html#contains">contains</a>(). The <a href="qgraphicsellipseitem.html#paint">paint</a>() function draws the ellipse using the item's associated pen and brush, which you can set by calling <a href="qabstractgraphicsshapeitem.html#setPen">setPen</a>() and <a href="qabstractgraphicsshapeitem.html#setBrush">setBrush</a>().</p>
</div>
<p><b>See also </b><a href="qgraphicspathitem.html">QGraphicsPathItem</a>, <a href="qgraphicsrectitem.html">QGraphicsRectItem</a>, <a href="qgraphicspolygonitem.html">QGraphicsPolygonItem</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>
<!-- @@@QGraphicsEllipseItem -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QGraphicsEllipseItem[overload1]$$$QGraphicsEllipseItemQGraphicsItem* -->
<h3 class="fn"><a name="QGraphicsEllipseItem"></a>QGraphicsEllipseItem::<span class="name">QGraphicsEllipseItem</span> ( <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span> * <i>parent</i> = 0 )</h3>
<p>Constructs a <a href="qgraphicsellipseitem.html">QGraphicsEllipseItem</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>
<!-- @@@QGraphicsEllipseItem -->
<!-- $$$QGraphicsEllipseItem$$$QGraphicsEllipseItemconstQRectF&QGraphicsItem* -->
<h3 class="fn"><a name="QGraphicsEllipseItem-2"></a>QGraphicsEllipseItem::<span class="name">QGraphicsEllipseItem</span> ( const <span class="type"><a href="qrectf.html">QRectF</a></span> & <i>rect</i>, <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span> * <i>parent</i> = 0 )</h3>
<p>Constructs a <a href="qgraphicsellipseitem.html">QGraphicsEllipseItem</a> using <i>rect</i> as the default rectangle. <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>
<!-- @@@QGraphicsEllipseItem -->
<!-- $$$QGraphicsEllipseItem$$$QGraphicsEllipseItemqrealqrealqrealqrealQGraphicsItem* -->
<h3 class="fn"><a name="QGraphicsEllipseItem-3"></a>QGraphicsEllipseItem::<span class="name">QGraphicsEllipseItem</span> ( <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> <i>x</i>, <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> <i>y</i>, <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> <i>width</i>, <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> <i>height</i>, <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span> * <i>parent</i> = 0 )</h3>
<p>Constructs a <a href="qgraphicsellipseitem.html">QGraphicsEllipseItem</a> using the rectangle defined by (<i>x</i>, <i>y</i>) and the given <i>width</i> and <i>height</i>, as the default rectangle. <i>parent</i> is passed to <a href="qabstractgraphicsshapeitem.html">QAbstractGraphicsShapeItem</a>'s constructor.</p>
<p>This function was introduced in Qt 4.3.</p>
<p><b>See also </b><a href="qgraphicsscene.html#addItem">QGraphicsScene::addItem</a>().</p>
<!-- @@@QGraphicsEllipseItem -->
<!-- $$$~QGraphicsEllipseItem[overload1]$$$~QGraphicsEllipseItem -->
<h3 class="fn"><a name="dtor.QGraphicsEllipseItem"></a>QGraphicsEllipseItem::<span class="name">~QGraphicsEllipseItem</span> ()</h3>
<p>Destroys the <a href="qgraphicsellipseitem.html">QGraphicsEllipseItem</a>.</p>
<!-- @@@~QGraphicsEllipseItem -->
<!-- $$$boundingRect[overload1]$$$boundingRect -->
<h3 class="fn"><a name="boundingRect"></a><span class="type"><a href="qrectf.html">QRectF</a></span> QGraphicsEllipseItem::<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> QGraphicsEllipseItem::<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 -->
<!-- $$$isObscuredBy[overload1]$$$isObscuredByconstQGraphicsItem* -->
<h3 class="fn"><a name="isObscuredBy"></a><span class="type">bool</span> QGraphicsEllipseItem::<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> QGraphicsEllipseItem::<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> QGraphicsEllipseItem::<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 -->
<!-- $$$rect[overload1]$$$rect -->
<h3 class="fn"><a name="rect"></a><span class="type"><a href="qrectf.html">QRectF</a></span> QGraphicsEllipseItem::<span class="name">rect</span> () const</h3>
<p>Returns the item's ellipse geometry as a <a href="qrectf.html">QRectF</a>.</p>
<p><b>See also </b><a href="qgraphicsellipseitem.html#setRect">setRect</a>() and <a href="qpainter.html#drawEllipse">QPainter::drawEllipse</a>().</p>
<!-- @@@rect -->
<!-- $$$setRect[overload1]$$$setRectconstQRectF& -->
<h3 class="fn"><a name="setRect"></a><span class="type">void</span> QGraphicsEllipseItem::<span class="name">setRect</span> ( const <span class="type"><a href="qrectf.html">QRectF</a></span> & <i>rect</i> )</h3>
<p>Sets the item's ellipse geometry to <i>rect</i>. The rectangle's left edge defines the left edge of the ellipse, and the rectangle's top edge describes the top of the ellipse. The height and width of the rectangle describe the height and width of the ellipse.</p>
<p><b>See also </b><a href="qgraphicsellipseitem.html#rect">rect</a>() and <a href="qpainter.html#drawEllipse">QPainter::drawEllipse</a>().</p>
<!-- @@@setRect -->
<!-- $$$setRect$$$setRectqrealqrealqrealqreal -->
<h3 class="fn"><a name="setRect-2"></a><span class="type">void</span> QGraphicsEllipseItem::<span class="name">setRect</span> ( <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> <i>x</i>, <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> <i>y</i>, <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> <i>width</i>, <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> <i>height</i> )</h3>
<p>Sets the item's rectangle to the rectangle defined by (<i>x</i>, <i>y</i>) and the given <i>width</i> and <i>height</i>.</p>
<p>This convenience function is equivalent to calling <tt>setRect(QRectF(x, y, width, height))</tt></p>
<p><b>See also </b><a href="qgraphicsellipseitem.html#rect">rect</a>().</p>
<!-- @@@setRect -->
<!-- $$$setSpanAngle[overload1]$$$setSpanAngleint -->
<h3 class="fn"><a name="setSpanAngle"></a><span class="type">void</span> QGraphicsEllipseItem::<span class="name">setSpanAngle</span> ( <span class="type">int</span> <i>angle</i> )</h3>
<p>Sets the span angle for an ellipse segment to <i>angle</i>, which is in 16ths of a degree. This angle is used together with <a href="qgraphicsellipseitem.html#startAngle">startAngle</a>() to represent an ellipse segment (a pie). By default, the span angle is 5760 (360 * 16, a full ellipse).</p>
<p><b>See also </b><a href="qgraphicsellipseitem.html#spanAngle">spanAngle</a>(), <a href="qgraphicsellipseitem.html#setStartAngle">setStartAngle</a>(), and <a href="qpainter.html#drawPie">QPainter::drawPie</a>().</p>
<!-- @@@setSpanAngle -->
<!-- $$$setStartAngle[overload1]$$$setStartAngleint -->
<h3 class="fn"><a name="setStartAngle"></a><span class="type">void</span> QGraphicsEllipseItem::<span class="name">setStartAngle</span> ( <span class="type">int</span> <i>angle</i> )</h3>
<p>Sets the start angle for an ellipse segment to <i>angle</i>, which is in 16ths of a degree. This angle is used together with <a href="qgraphicsellipseitem.html#spanAngle">spanAngle</a>() for representing an ellipse segment (a pie). By default, the start angle is 0.</p>
<p><b>See also </b><a href="qgraphicsellipseitem.html#startAngle">startAngle</a>(), <a href="qgraphicsellipseitem.html#setSpanAngle">setSpanAngle</a>(), and <a href="qpainter.html#drawPie">QPainter::drawPie</a>().</p>
<!-- @@@setStartAngle -->
<!-- $$$shape[overload1]$$$shape -->
<h3 class="fn"><a name="shape"></a><span class="type"><a href="qpainterpath.html">QPainterPath</a></span> QGraphicsEllipseItem::<span class="name">shape</span> () const<tt> [virtual]</tt></h3>
<p>Reimplemented from <a href="qgraphicsitem.html#shape">QGraphicsItem::shape</a>().</p>
<!-- @@@shape -->
<!-- $$$spanAngle[overload1]$$$spanAngle -->
<h3 class="fn"><a name="spanAngle"></a><span class="type">int</span> QGraphicsEllipseItem::<span class="name">spanAngle</span> () const</h3>
<p>Returns the span angle of an ellipse segment in 16ths of a degree. This angle is used together with <a href="qgraphicsellipseitem.html#startAngle">startAngle</a>() for representing an ellipse segment (a pie). By default, this function returns 5760 (360 * 16, a full ellipse).</p>
<p><b>See also </b><a href="qgraphicsellipseitem.html#setSpanAngle">setSpanAngle</a>() and <a href="qgraphicsellipseitem.html#startAngle">startAngle</a>().</p>
<!-- @@@spanAngle -->
<!-- $$$startAngle[overload1]$$$startAngle -->
<h3 class="fn"><a name="startAngle"></a><span class="type">int</span> QGraphicsEllipseItem::<span class="name">startAngle</span> () const</h3>
<p>Returns the start angle for an ellipse segment in 16ths of a degree. This angle is used together with <a href="qgraphicsellipseitem.html#spanAngle">spanAngle</a>() for representing an ellipse segment (a pie). By default, the start angle is 0.</p>
<p><b>See also </b><a href="qgraphicsellipseitem.html#setStartAngle">setStartAngle</a>() and <a href="qgraphicsellipseitem.html#spanAngle">spanAngle</a>().</p>
<!-- @@@startAngle -->
<!-- $$$type[overload1]$$$type -->
<h3 class="fn"><a name="type"></a><span class="type">int</span> QGraphicsEllipseItem::<span class="name">type</span> () const<tt> [virtual]</tt></h3>
<p>Reimplemented from <a href="qgraphicsitem.html#type">QGraphicsItem::type</a>().</p>
<!-- @@@type -->
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