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<td >Qt 5.12</td><td ><a href="qt3d-index.html">Qt 3D</a></td><td ><a href="qt3d-cpp.html">C++ Classes</a></td><td >QLayerFilter</td></tr></table><table class="buildversion"><tr>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-types">Public Types</a></li>
<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="#signals">Signals</a></li>
<li class="level1"><a href="#static-public-members">Static Public Members</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QLayerFilter Class</h1>
<span class="small-subtitle">(<a href="qt3drender-qlayerfilter.html">Qt3DRender::QLayerFilter</a>)<br/></span>
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<p>Controls layers drawn in a frame graph branch. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QLayerFilter&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += 3drender</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign">  Qt 5.5</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Instantiated By:</td><td class="memItemRight bottomAlign"> <a href="qml-qt3d-render-layerfilter.html">LayerFilter</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qt3drender-qframegraphnode.html">Qt3DRender::QFrameGraphNode</a></td></tr></table></div><ul>
<li><a href="qt3drender-qlayerfilter-members.html">List of all members, including inherited members</a></li>
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<a name="public-types"></a>
<h2 id="public-types">Public Types</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qlayerfilter.html#FilterMode-enum">FilterMode</a></b> { AcceptAnyMatchingLayers, AcceptAllMatchingLayers, DiscardAnyMatchingLayers, DiscardAllMatchingLayers }</td></tr>
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<h2 id="properties">Properties</h2>
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<li class="fn"><b><a href="qt3drender-qlayerfilter.html#filterMode-prop">filterMode</a></b> : FilterMode</li>
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<li class="fn">3 properties inherited from <a href="qt3dcore-qnode.html#properties">Qt3DCore::QNode</a></li>
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<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qlayerfilter.html#QLayerFilter">QLayerFilter</a></b>(Qt3DCore::QNode *<i>parent</i> = nullptr)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qlayerfilter.html#addLayer">addLayer</a></b>(Qt3DRender::QLayer *<i>layer</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Qt3DRender::QLayerFilter::FilterMode </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qlayerfilter.html#filterMode-prop">filterMode</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QVector&lt;Qt3DRender::QLayer *&gt; </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qlayerfilter.html#layers">layers</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qlayerfilter.html#removeLayer">removeLayer</a></b>(Qt3DRender::QLayer *<i>layer</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qlayerfilter.html#filterMode-prop">setFilterMode</a></b>(Qt3DRender::QLayerFilter::FilterMode <i>filterMode</i>)</td></tr>
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<ul>
<li class="fn">1 public function inherited from <a href="qt3drender-qframegraphnode.html#public-functions">Qt3DRender::QFrameGraphNode</a></li>
<li class="fn">13 public functions inherited from <a href="qt3dcore-qnode.html#public-functions">Qt3DCore::QNode</a></li>
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<a name="signals"></a>
<h2 id="signals">Signals</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qlayerfilter.html#filterMode-prop">filterModeChanged</a></b>(Qt3DRender::QLayerFilter::FilterMode <i>filterMode</i>)</td></tr>
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<li class="fn">4 signals inherited from <a href="qt3dcore-qnode.html#signals">Qt3DCore::QNode</a></li>
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<h2 id="static-public-members">Static Public Members</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> const QMetaObject </td><td class="memItemRight bottomAlign"><b><a href="qt3drender-qlayerfilter.html#staticMetaObject-var">staticMetaObject</a></b></td></tr>
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<h3>Additional Inherited Members</h3>
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<li class="fn">3 public slots inherited from <a href="qt3dcore-qnode.html#public-slots">Qt3DCore::QNode</a></li>
<li class="fn">1 protected function inherited from <a href="qt3drender-qframegraphnode.html#protected-functions">Qt3DRender::QFrameGraphNode</a></li>
<li class="fn">2 protected functions inherited from <a href="qt3dcore-qnode.html#protected-functions">Qt3DCore::QNode</a></li>
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<a name="details"></a>
<!-- $$$QLayerFilter-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>Controls layers drawn in a frame graph branch.</p>
<p>A <a href="qt3drender-qlayerfilter.html">Qt3DRender::QLayerFilter</a> can be used to instruct the renderer as to which layer(s) to draw in that branch of the frame graph. <a href="qt3drender-qlayerfilter.html">QLayerFilter</a> selects which entities to draw based on the <a href="qt3drender-qlayer.html">QLayer</a> instance(s) added to the <a href="qt3drender-qlayerfilter.html">QLayerFilter</a> and as components to <a href="qt3dcore-qentity.html">Qt3DCore::QEntity</a>.</p>
<p><a href="qt3drender-qlayerfilter.html">QLayerFilter</a> can be configured to select or discard entities with a specific <a href="qt3drender-qlayer.html">QLayer</a> depending on the <a href="qt3drender-qlayerfilter.html#filterMode-prop">filterMode</a> property. By default, entities referencing one of the <a href="qt3drender-qlayer.html">QLayer</a> objects that are also being referenced by the <a href="qt3drender-qlayerfilter.html">QLayerFilter</a> are selected (<a href="qt3drender-qlayerfilter.html#FilterMode-enum">AcceptAnyMatchingLayers</a>).</p>
<p>Within the FrameGraph tree, multiple <a href="qt3drender-qlayerfilter.html">QLayerFilter</a> nodes can be nested within a branch going from root to a leaf. In that case the filtering will first operate on all entities of the scene using the filtering method specified by the first declared <a href="qt3drender-qlayerfilter.html">QLayerFilter</a>. Then the filtered subset of entities will be filtered again based on the filtering method set on the second <a href="qt3drender-qlayerfilter.html">QLayerFilter</a> declared. This is then repeated until all <a href="qt3drender-qlayerfilter.html">QLayerFilter</a> nodes of the branch have been consumed.</p>
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<div class="types">
<h2>Member Type Documentation</h2>
<!-- $$$FilterMode$$$AcceptAnyMatchingLayers$$$AcceptAllMatchingLayers$$$DiscardAnyMatchingLayers$$$DiscardAllMatchingLayers -->
<h3 class="fn" id="FilterMode-enum"><a name="FilterMode-enum"></a>enum QLayerFilter::<span class="name">FilterMode</span></h3>
<p>Specifies the rules for selecting entities to draw.</p>
<div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><code>Qt3DRender::QLayerFilter::AcceptAnyMatchingLayers</code></td><td class="topAlign tblval"><code>0</code></td><td class="topAlign">Accept entities that reference one or more <a href="qt3drender-qlayer.html">QLayer</a> objects added to this <a href="qt3drender-qlayerfilter.html">QLayerFilter</a>. This is the default</td></tr>
<tr><td class="topAlign"><code>Qt3DRender::QLayerFilter::AcceptAllMatchingLayers</code></td><td class="topAlign tblval"><code>1</code></td><td class="topAlign">Accept entities that reference all the <a href="qt3drender-qlayer.html">QLayer</a> objects added to this <a href="qt3drender-qlayerfilter.html">QLayerFilter</a></td></tr>
<tr><td class="topAlign"><code>Qt3DRender::QLayerFilter::DiscardAnyMatchingLayers</code></td><td class="topAlign tblval"><code>2</code></td><td class="topAlign">Discard entities that reference one or more <a href="qt3drender-qlayer.html">QLayer</a> objects added to this <a href="qt3drender-qlayerfilter.html">QLayerFilter</a></td></tr>
<tr><td class="topAlign"><code>Qt3DRender::QLayerFilter::DiscardAllMatchingLayers</code></td><td class="topAlign tblval"><code>3</code></td><td class="topAlign">Discard entities that reference all <a href="qt3drender-qlayer.html">QLayer</a> objects added to this <a href="qt3drender-qlayerfilter.html">QLayerFilter</a></td></tr>
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<div class="prop">
<h2>Property Documentation</h2>
<!-- $$$filterMode-prop$$$filterMode$$$setFilterModeQt3DRender::QLayerFilter::FilterMode$$$filterModeChangedQt3DRender::QLayerFilter::FilterMode -->
<h3 class="fn" id="filterMode-prop"><a name="filterMode-prop"></a><span class="name">filterMode</span> : <span class="type"><a href="qt3drender-qlayerfilter.html#FilterMode-enum">FilterMode</a></span></h3>
<p>Holds the filter mode specifying the entities to select for drawing.</p>
<p>The default value is AcceptMatchingLayers.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> Qt3DRender::QLayerFilter::FilterMode </td><td class="memItemRight bottomAlign"><span class="name"><b>filterMode</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setFilterMode</b></span>(Qt3DRender::QLayerFilter::FilterMode <i>filterMode</i>)</td></tr>
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<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>filterModeChanged</b></span>(Qt3DRender::QLayerFilter::FilterMode <i>filterMode</i>)</td></tr>
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<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QLayerFilter[overload1]$$$QLayerFilterQt3DCore::QNode* -->
<h3 class="fn" id="QLayerFilter"><a name="QLayerFilter"></a>QLayerFilter::<span class="name">QLayerFilter</span>(<span class="type"><a href="qt3dcore-qnode.html">Qt3DCore::QNode</a></span> *<i>parent</i> = nullptr)</h3>
<p>The constructor creates an instance with the specified <i>parent</i>.</p>
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<!-- $$$addLayer[overload1]$$$addLayerQt3DRender::QLayer* -->
<h3 class="fn" id="addLayer"><a name="addLayer"></a><span class="type">void</span> QLayerFilter::<span class="name">addLayer</span>(<span class="type"><a href="qt3drender-qlayer.html">Qt3DRender::QLayer</a></span> *<i>layer</i>)</h3>
<p>Add <i>layer</i> to the current list of layers</p>
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<!-- $$$layers[overload1]$$$layers -->
<h3 class="fn" id="layers"><a name="layers"></a><span class="type">QVector</span>&lt;<span class="type"><a href="qt3drender-qlayer.html">Qt3DRender::QLayer</a></span> *&gt; QLayerFilter::<span class="name">layers</span>() const</h3>
<p>Returns the current list of layers</p>
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<!-- $$$removeLayer[overload1]$$$removeLayerQt3DRender::QLayer* -->
<h3 class="fn" id="removeLayer"><a name="removeLayer"></a><span class="type">void</span> QLayerFilter::<span class="name">removeLayer</span>(<span class="type"><a href="qt3drender-qlayer.html">Qt3DRender::QLayer</a></span> *<i>layer</i>)</h3>
<p>Remove <i>layer</i> from the current list of layers</p>
<!-- @@@removeLayer -->
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