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Breadcrumbs go here --> <li><a href="modules.html">Modules</a></li> <li><a href="qtgui.html">QtGui</a></li> <li>QGraphicsDropShadowEffect</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="#properties">Properties</a></li> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#public-slots">Public Slots</a></li> <li class="level1"><a href="#signals">Signals</a></li> <li class="level1"><a href="#protected-functions">Protected Functions</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <h1 class="title">QGraphicsDropShadowEffect Class Reference</h1> <!-- $$$QGraphicsDropShadowEffect-brief --> <p>The QGraphicsDropShadowEffect class provides a drop shadow effect. <a href="#details">More...</a></p> <!-- @@@QGraphicsDropShadowEffect --> <pre class="cpp"> <span class="preprocessor">#include <QGraphicsDropShadowEffect></span></pre><p><b>Inherits: </b><a href="qgraphicseffect.html">QGraphicsEffect</a>.</p> <p>This class was introduced in Qt 4.6.</p> <ul> <li><a href="qgraphicsdropshadoweffect-members.html">List of all members, including inherited members</a></li> </ul> <a name="properties"></a> <h2>Properties</h2> <table class="propsummary"> <tr><td class="topAlign"><ul> <li class="fn"><b><a href="qgraphicsdropshadoweffect.html#blurRadius-prop">blurRadius</a></b> : qreal</li> <li class="fn"><b><a href="qgraphicsdropshadoweffect.html#color-prop">color</a></b> : QColor</li> <li class="fn"><b><a href="qgraphicsdropshadoweffect.html#offset-prop">offset</a></b> : QPointF</li> </ul></td><td class="topAlign"><ul> <li class="fn"><b><a href="qgraphicsdropshadoweffect.html#xOffset-prop">xOffset</a></b> : qreal</li> <li class="fn"><b><a href="qgraphicsdropshadoweffect.html#yOffset-prop">yOffset</a></b> : qreal</li> </ul> </td></tr> </table> <ul> <li class="fn">1 property inherited from <a href="qgraphicseffect.html#properties">QGraphicsEffect</a></li> <li class="fn">1 property inherited from <a href="qobject.html#properties">QObject</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="qgraphicsdropshadoweffect.html#QGraphicsDropShadowEffect">QGraphicsDropShadowEffect</a></b> ( QObject * <i>parent</i> = 0 )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#dtor.QGraphicsDropShadowEffect">~QGraphicsDropShadowEffect</a></b> ()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> qreal </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#blurRadius-prop">blurRadius</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QColor </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#color-prop">color</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QPointF </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#offset-prop">offset</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> qreal </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#xOffset-prop">xOffset</a></b> () const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> qreal </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#yOffset-prop">yOffset</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="qgraphicsdropshadoweffect.html#boundingRectFor">boundingRectFor</a></b> ( const QRectF & <i>rect</i> ) const</td></tr> </table> <ul> <li class="fn">3 public functions inherited from <a href="qgraphicseffect.html#public-functions">QGraphicsEffect</a></li> <li class="fn">29 public functions inherited from <a href="qobject.html#public-functions">QObject</a></li> </ul> <a name="public-slots"></a> <h2>Public Slots</h2> <table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#blurRadius-prop">setBlurRadius</a></b> ( qreal <i>blurRadius</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#color-prop">setColor</a></b> ( const QColor & <i>color</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#offset-prop">setOffset</a></b> ( const QPointF & <i>ofs</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#offset-prop">setOffset</a></b> ( qreal <i>dx</i>, qreal <i>dy</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#offset-prop">setOffset</a></b> ( qreal <i>d</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#xOffset-prop">setXOffset</a></b> ( qreal <i>dx</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#yOffset-prop">setYOffset</a></b> ( qreal <i>dy</i> )</td></tr> </table> <ul> <li class="fn">2 public slots inherited from <a href="qgraphicseffect.html#public-slots">QGraphicsEffect</a></li> <li class="fn">1 public slot inherited from <a href="qobject.html#public-slots">QObject</a></li> </ul> <a name="signals"></a> <h2>Signals</h2> <table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#blurRadiusChanged">blurRadiusChanged</a></b> ( qreal <i>blurRadius</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#colorChanged">colorChanged</a></b> ( const QColor & <i>color</i> )</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#offsetChanged">offsetChanged</a></b> ( const QPointF & <i>offset</i> )</td></tr> </table> <ul> <li class="fn">1 signal inherited from <a href="qgraphicseffect.html#signals">QGraphicsEffect</a></li> <li class="fn">1 signal inherited from <a href="qobject.html#signals">QObject</a></li> </ul> <a name="reimplemented-protected-functions"></a> <h2>Reimplemented Protected Functions</h2> <table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qgraphicsdropshadoweffect.html#draw">draw</a></b> ( QPainter * <i>painter</i> )</td></tr> </table> <ul> <li class="fn">7 protected functions inherited from <a href="qgraphicseffect.html#protected-functions">QGraphicsEffect</a></li> <li class="fn">8 protected functions inherited from <a href="qobject.html#protected-functions">QObject</a></li> </ul> <h3>Additional Inherited Members</h3> <ul> <li class="fn">7 static public members inherited from <a href="qobject.html#static-public-members">QObject</a></li> <li class="fn">7 protected functions inherited from <a href="qgraphicseffect.html#protected-functions">QGraphicsEffect</a></li> <li class="fn">8 protected functions inherited from <a href="qobject.html#protected-functions">QObject</a></li> </ul> <a name="details"></a> <!-- $$$QGraphicsDropShadowEffect-description --> <div class="descr"> <h2>Detailed Description</h2> <p>The QGraphicsDropShadowEffect class provides a drop shadow effect.</p> <p>A drop shadow effect renders the source with a drop shadow. The color of the drop shadow can be modified using the <a href="qgraphicsdropshadoweffect.html#color-prop">setColor</a>() function. The drop shadow offset can be modified using the <a href="qgraphicsdropshadoweffect.html#offset-prop">setOffset</a>() function and the blur radius of the drop shadow can be changed with the <a href="qgraphicsdropshadoweffect.html#blurRadius-prop">setBlurRadius</a>() function.</p> <p>By default, the drop shadow is a semi-transparent dark gray (<a href="qcolor.html">QColor</a>(63, 63, 63, 180)) shadow, blurred with a radius of 1 at an offset of 8 pixels towards the lower right. The drop shadow offset is specified in device coordinates.</p> <p class="centerAlign"><img src="images/graphicseffect-drop-shadow.png" alt="" /></p></div> <p><b>See also </b><a href="qgraphicsblureffect.html">QGraphicsBlurEffect</a>, <a href="qgraphicscolorizeeffect.html">QGraphicsColorizeEffect</a>, and <a href="qgraphicsopacityeffect.html">QGraphicsOpacityEffect</a>.</p> <!-- @@@QGraphicsDropShadowEffect --> <div class="prop"> <h2>Property Documentation</h2> <!-- $$$blurRadius-prop$$$blurRadius$$$setBlurRadiusqreal$$$blurRadiusChangedqreal --> <h3 class="fn"><a name="blurRadius-prop"></a><span class="name">blurRadius</span> : <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span></h3> <p>This property holds the blur radius in pixels of the drop shadow.</p> <p>Using a smaller radius results in a sharper shadow, whereas using a bigger radius results in a more blurred shadow.</p> <p>By default, the blur radius is 1 pixel.</p> <p><b>Access functions:</b></p> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> qreal </td><td class="memItemRight bottomAlign"><span class="name"><b>blurRadius</b></span> () const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setBlurRadius</b></span> ( qreal <i>blurRadius</i> )</td></tr> </table> <p><b>Notifier signal:</b></p> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qgraphicsdropshadoweffect.html#blurRadiusChanged">blurRadiusChanged</a></b></span> ( qreal <i>blurRadius</i> )</td></tr> </table> <p><b>See also </b><a href="qgraphicsdropshadoweffect.html#color-prop">color</a>(), <a href="qgraphicsdropshadoweffect.html#offset-prop">offset</a>(), and <a href="index.html">.</a>.</p> <!-- @@@blurRadius --> <!-- $$$color-prop$$$color$$$setColorconstQColor&$$$colorChangedconstQColor& --> <h3 class="fn"><a name="color-prop"></a><span class="name">color</span> : <span class="type"><a href="qcolor.html">QColor</a></span></h3> <p>This property holds the color of the drop shadow.</p> <p>By default, the drop color is a semi-transparent dark gray (<a href="qcolor.html">QColor</a>(63, 63, 63, 180)).</p> <p><b>Access functions:</b></p> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> QColor </td><td class="memItemRight bottomAlign"><span class="name"><b>color</b></span> () const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setColor</b></span> ( const QColor & <i>color</i> )</td></tr> </table> <p><b>Notifier signal:</b></p> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qgraphicsdropshadoweffect.html#colorChanged">colorChanged</a></b></span> ( const QColor & <i>color</i> )</td></tr> </table> <p><b>See also </b><a href="qgraphicsdropshadoweffect.html#offset-prop">offset</a>() and <a href="qgraphicsdropshadoweffect.html#blurRadius-prop">blurRadius</a>().</p> <!-- @@@color --> <!-- $$$offset-prop$$$offset$$$setOffsetconstQPointF&$$$setOffsetqrealqreal$$$setOffsetqreal$$$offsetChangedconstQPointF& --> <h3 class="fn"><a name="offset-prop"></a><span class="name">offset</span> : <span class="type"><a href="qpointf.html">QPointF</a></span></h3> <p>This property holds the shadow offset in pixels.</p> <p>By default, the offset is 8 pixels towards the lower right.</p> <p>The offset is given in device coordinates, which means it is unaffected by scale.</p> <p><b>Access functions:</b></p> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> QPointF </td><td class="memItemRight bottomAlign"><span class="name"><b>offset</b></span> () const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setOffset</b></span> ( const QPointF & <i>ofs</i> )</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setOffset</b></span> ( qreal <i>dx</i>, qreal <i>dy</i> )</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setOffset</b></span> ( qreal <i>d</i> )</td></tr> </table> <p><b>Notifier signal:</b></p> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qgraphicsdropshadoweffect.html#offsetChanged">offsetChanged</a></b></span> ( const QPointF & <i>offset</i> )</td></tr> </table> <p><b>See also </b><a href="qgraphicsdropshadoweffect.html#xOffset-prop">xOffset</a>(), <a href="qgraphicsdropshadoweffect.html#yOffset-prop">yOffset</a>(), <a href="qgraphicsdropshadoweffect.html#blurRadius-prop">blurRadius</a>(), and <a href="qgraphicsdropshadoweffect.html#color-prop">color</a>().</p> <!-- @@@offset --> <!-- $$$xOffset-prop$$$xOffset$$$setXOffsetqreal$$$offsetChangedconstQPointF& --> <h3 class="fn"><a name="xOffset-prop"></a><span class="name">xOffset</span> : <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span></h3> <p>This property holds the horizontal shadow offset in pixels.</p> <p>By default, the horizontal shadow offset is 8 pixels.</p> <p><b>Access functions:</b></p> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> qreal </td><td class="memItemRight bottomAlign"><span class="name"><b>xOffset</b></span> () const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setXOffset</b></span> ( qreal <i>dx</i> )</td></tr> </table> <p><b>Notifier signal:</b></p> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qgraphicsdropshadoweffect.html#offsetChanged">offsetChanged</a></b></span> ( const QPointF & <i>offset</i> )</td></tr> </table> <p><b>See also </b><a href="qgraphicsdropshadoweffect.html#yOffset-prop">yOffset</a>() and <a href="qgraphicsdropshadoweffect.html#offset-prop">offset</a>().</p> <!-- @@@xOffset --> <!-- $$$yOffset-prop$$$yOffset$$$setYOffsetqreal$$$offsetChangedconstQPointF& --> <h3 class="fn"><a name="yOffset-prop"></a><span class="name">yOffset</span> : <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span></h3> <p>This property holds the vertical shadow offset in pixels.</p> <p>By default, the vertical shadow offset is 8 pixels.</p> <p><b>Access functions:</b></p> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> qreal </td><td class="memItemRight bottomAlign"><span class="name"><b>yOffset</b></span> () const</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setYOffset</b></span> ( qreal <i>dy</i> )</td></tr> </table> <p><b>Notifier signal:</b></p> <table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qgraphicsdropshadoweffect.html#offsetChanged">offsetChanged</a></b></span> ( const QPointF & <i>offset</i> )</td></tr> </table> <p><b>See also </b><a href="qgraphicsdropshadoweffect.html#xOffset-prop">xOffset</a>() and <a href="qgraphicsdropshadoweffect.html#offset-prop">offset</a>().</p> <!-- @@@yOffset --> </div> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QGraphicsDropShadowEffect[overload1]$$$QGraphicsDropShadowEffectQObject* --> <h3 class="fn"><a name="QGraphicsDropShadowEffect"></a>QGraphicsDropShadowEffect::<span class="name">QGraphicsDropShadowEffect</span> ( <span class="type"><a href="qobject.html">QObject</a></span> * <i>parent</i> = 0 )</h3> <p>Constructs a new <a href="qgraphicsdropshadoweffect.html">QGraphicsDropShadowEffect</a> instance. The <i>parent</i> parameter is passed to <a href="qgraphicseffect.html">QGraphicsEffect</a>'s constructor.</p> <!-- @@@QGraphicsDropShadowEffect --> <!-- $$$~QGraphicsDropShadowEffect[overload1]$$$~QGraphicsDropShadowEffect --> <h3 class="fn"><a name="dtor.QGraphicsDropShadowEffect"></a>QGraphicsDropShadowEffect::<span class="name">~QGraphicsDropShadowEffect</span> ()</h3> <p>Destroys the effect.</p> <!-- @@@~QGraphicsDropShadowEffect --> <!-- $$$blurRadiusChanged[overload1]$$$blurRadiusChangedqreal --> <h3 class="fn"><a name="blurRadiusChanged"></a><span class="type">void</span> QGraphicsDropShadowEffect::<span class="name">blurRadiusChanged</span> ( <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> <i>blurRadius</i> )<tt> [signal]</tt></h3> <p>This signal is emitted whenever the effect's blur radius changes. The <i>blurRadius</i> parameter holds the effect's new blur radius.</p> <!-- @@@blurRadiusChanged --> <!-- $$$boundingRectFor[overload1]$$$boundingRectForconstQRectF& --> <h3 class="fn"><a name="boundingRectFor"></a><span class="type"><a href="qrectf.html">QRectF</a></span> QGraphicsDropShadowEffect::<span class="name">boundingRectFor</span> ( const <span class="type"><a href="qrectf.html">QRectF</a></span> & <i>rect</i> ) const<tt> [virtual]</tt></h3> <p>Reimplemented from <a href="qgraphicseffect.html#boundingRectFor">QGraphicsEffect::boundingRectFor</a>().</p> <!-- @@@boundingRectFor --> <!-- $$$colorChanged[overload1]$$$colorChangedconstQColor& --> <h3 class="fn"><a name="colorChanged"></a><span class="type">void</span> QGraphicsDropShadowEffect::<span class="name">colorChanged</span> ( const <span class="type"><a href="qcolor.html">QColor</a></span> & <i>color</i> )<tt> [signal]</tt></h3> <p>This signal is emitted whenever the effect's color changes. The <i>color</i> parameter holds the effect's new color.</p> <!-- @@@colorChanged --> <!-- $$$draw[overload1]$$$drawQPainter* --> <h3 class="fn"><a name="draw"></a><span class="type">void</span> QGraphicsDropShadowEffect::<span class="name">draw</span> ( <span class="type"><a href="qpainter.html">QPainter</a></span> * <i>painter</i> )<tt> [virtual protected]</tt></h3> <p>Reimplemented from <a href="qgraphicseffect.html#draw">QGraphicsEffect::draw</a>().</p> <!-- @@@draw --> <!-- $$$offsetChanged[overload1]$$$offsetChangedconstQPointF& --> <h3 class="fn"><a name="offsetChanged"></a><span class="type">void</span> QGraphicsDropShadowEffect::<span class="name">offsetChanged</span> ( const <span class="type"><a href="qpointf.html">QPointF</a></span> & <i>offset</i> )<tt> [signal]</tt></h3> <p>This signal is emitted whenever the effect's shadow offset changes. The <i>offset</i> parameter holds the effect's new shadow offset.</p> <!-- @@@offsetChanged --> </div> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its subsidiaries. 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> Digia, Qt and their respective logos are trademarks of Digia Plc in Finland and/or other countries worldwide. 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