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<td >Qt 5.12</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td ><a href="qtmultimedia-modules.html">C++ Classes</a></td><td >QCameraFocusControl</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right"><a href="qtmultimedia-index.html">Qt 5.12.6 Reference Documentation</a></td>
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<h3><a name="toc">Contents</a></h3>
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<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="#protected-functions">Protected Functions</a></li>
<li class="level1"><a href="#macros">Macros</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QCameraFocusControl Class</h1>
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<p>The <a href="qcamerafocuscontrol.html">QCameraFocusControl</a> class supplies control for focusing related camera parameters. <a href="#details">More...</a></p>
<!-- @@@QCameraFocusControl -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QCameraFocusControl&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += multimedia</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qmediacontrol.html">QMediaControl</a></td></tr></table></div><ul>
<li><a href="qcamerafocuscontrol-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#dtor.QCameraFocusControl">~QCameraFocusControl</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QPointF </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#customFocusPoint">customFocusPoint</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QCameraFocus::FocusModes </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#focusMode">focusMode</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QCameraFocus::FocusPointMode </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#focusPointMode">focusPointMode</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QCameraFocusZoneList </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#focusZones">focusZones</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#isFocusModeSupported">isFocusModeSupported</a></b>(QCameraFocus::FocusModes <i>mode</i>) const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#isFocusPointModeSupported">isFocusPointModeSupported</a></b>(QCameraFocus::FocusPointMode <i>mode</i>) const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#setCustomFocusPoint">setCustomFocusPoint</a></b>(const QPointF &amp;<i>point</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#setFocusMode">setFocusMode</a></b>(QCameraFocus::FocusModes <i>mode</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#setFocusPointMode">setFocusPointMode</a></b>(QCameraFocus::FocusPointMode <i>mode</i>) = 0</td></tr>
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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="qcamerafocuscontrol.html#customFocusPointChanged">customFocusPointChanged</a></b>(const QPointF &amp;<i>point</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#focusModeChanged">focusModeChanged</a></b>(QCameraFocus::FocusModes <i>mode</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#focusPointModeChanged">focusPointModeChanged</a></b>(QCameraFocus::FocusPointMode <i>mode</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#focusZonesChanged">focusZonesChanged</a></b>()</td></tr>
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<a name="static-public-members"></a>
<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="qcamerafocuscontrol.html#staticMetaObject-var">staticMetaObject</a></b></td></tr>
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<a name="protected-functions"></a>
<h2 id="protected-functions">Protected Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#QCameraFocusControl">QCameraFocusControl</a></b>(QObject *<i>parent</i> = nullptr)</td></tr>
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<a name="macros"></a>
<h2 id="macros">Macros</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qcamerafocuscontrol.html#QCameraFocusControl_iid">QCameraFocusControl_iid</a></b></td></tr>
</table></div>
<a name="details"></a>
<!-- $$$QCameraFocusControl-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qcamerafocuscontrol.html">QCameraFocusControl</a> class supplies control for focusing related camera parameters.</p>
<p>The interface name of <a href="qcamerafocuscontrol.html">QCameraFocusControl</a> is <code>org.qt-project.qt.camerafocuscontrol/5.0</code> as defined in <a href="qcamerafocuscontrol.html#QCameraFocusControl_iid">QCameraFocusControl_iid</a>.</p>
</div>
<p><b>See also </b><a href="qmediaservice.html#requestControl-1">QMediaService::requestControl</a>() and <a href="qcamera.html">QCamera</a>.</p>
<!-- @@@QCameraFocusControl -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QCameraFocusControl[overload1]$$$QCameraFocusControlQObject* -->
<h3 class="fn" id="QCameraFocusControl"><a name="QCameraFocusControl"></a><code>[protected] </code>QCameraFocusControl::<span class="name">QCameraFocusControl</span>(<span class="type">QObject</span> *<i>parent</i> = nullptr)</h3>
<p>Constructs a camera control object with <i>parent</i>.</p>
<!-- @@@QCameraFocusControl -->
<!-- $$$~QCameraFocusControl[overload1]$$$~QCameraFocusControl -->
<h3 class="fn" id="dtor.QCameraFocusControl"><a name="dtor.QCameraFocusControl"></a><code>[virtual] </code>QCameraFocusControl::<span class="name">~QCameraFocusControl</span>()</h3>
<p>Destruct the camera control object.</p>
<!-- @@@~QCameraFocusControl -->
<!-- $$$customFocusPoint[overload1]$$$customFocusPoint -->
<h3 class="fn" id="customFocusPoint"><a name="customFocusPoint"></a><code>[pure virtual] </code><span class="type">QPointF</span> QCameraFocusControl::<span class="name">customFocusPoint</span>() const</h3>
<p>Return the position of custom focus point, in relative frame coordinates: QPointF(0,0) points to the left top frame point, QPointF(0.5,0.5) points to the frame center.</p>
<p>Custom focus point is used only in FocusPointCustom focus mode.</p>
<p><b>See also </b><a href="qcamerafocuscontrol.html#setCustomFocusPoint">setCustomFocusPoint</a>().</p>
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<!-- $$$customFocusPointChanged[overload1]$$$customFocusPointChangedconstQPointF& -->
<h3 class="fn" id="customFocusPointChanged"><a name="customFocusPointChanged"></a><code>[signal] </code><span class="type">void</span> QCameraFocusControl::<span class="name">customFocusPointChanged</span>(const <span class="type">QPointF</span> &amp;<i>point</i>)</h3>
<p>Signal is emitted when the custom focus <i>point</i> is changed.</p>
<p><b>See also </b><a href="qcamerafocuscontrol.html#customFocusPoint">QCameraFocusControl::customFocusPoint</a>() and <a href="qcamerafocuscontrol.html#setCustomFocusPoint">QCameraFocusControl::setCustomFocusPoint</a>().</p>
<!-- @@@customFocusPointChanged -->
<!-- $$$focusMode[overload1]$$$focusMode -->
<h3 class="fn" id="focusMode"><a name="focusMode"></a><code>[pure virtual] </code><span class="type"><a href="qcamerafocus.html#FocusMode-enum">QCameraFocus::FocusModes</a></span> QCameraFocusControl::<span class="name">focusMode</span>() const</h3>
<p>Returns the focus mode being used.</p>
<p><b>See also </b><a href="qcamerafocuscontrol.html#setFocusMode">setFocusMode</a>().</p>
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<!-- $$$focusModeChanged[overload1]$$$focusModeChangedQCameraFocus::FocusModes -->
<h3 class="fn" id="focusModeChanged"><a name="focusModeChanged"></a><code>[signal] </code><span class="type">void</span> QCameraFocusControl::<span class="name">focusModeChanged</span>(<span class="type"><a href="qcamerafocus.html#FocusMode-enum">QCameraFocus::FocusModes</a></span> <i>mode</i>)</h3>
<p>Signal is emitted when the focus <i>mode</i> is changed, usually in result of <a href="qcamerafocuscontrol.html#setFocusMode">QCameraFocusControl::setFocusMode</a> call or capture mode changes.</p>
<p><b>See also </b><a href="qcamerafocuscontrol.html#focusMode">QCameraFocusControl::focusMode</a>() and <a href="qcamerafocuscontrol.html#setFocusMode">QCameraFocusControl::setFocusMode</a>().</p>
<!-- @@@focusModeChanged -->
<!-- $$$focusPointMode[overload1]$$$focusPointMode -->
<h3 class="fn" id="focusPointMode"><a name="focusPointMode"></a><code>[pure virtual] </code><span class="type"><a href="qcamerafocus.html#FocusPointMode-enum">QCameraFocus::FocusPointMode</a></span> QCameraFocusControl::<span class="name">focusPointMode</span>() const</h3>
<p>Returns the camera focus point selection mode.</p>
<p><b>See also </b><a href="qcamerafocuscontrol.html#setFocusPointMode">setFocusPointMode</a>().</p>
<!-- @@@focusPointMode -->
<!-- $$$focusPointModeChanged[overload1]$$$focusPointModeChangedQCameraFocus::FocusPointMode -->
<h3 class="fn" id="focusPointModeChanged"><a name="focusPointModeChanged"></a><code>[signal] </code><span class="type">void</span> QCameraFocusControl::<span class="name">focusPointModeChanged</span>(<span class="type"><a href="qcamerafocus.html#FocusPointMode-enum">QCameraFocus::FocusPointMode</a></span> <i>mode</i>)</h3>
<p>Signal is emitted when the focus point <i>mode</i> is changed, usually in result of <a href="qcamerafocuscontrol.html#setFocusPointMode">QCameraFocusControl::setFocusPointMode</a> call or capture mode changes.</p>
<p><b>See also </b><a href="qcamerafocuscontrol.html#focusPointMode">QCameraFocusControl::focusPointMode</a>() and <a href="qcamerafocuscontrol.html#setFocusPointMode">QCameraFocusControl::setFocusPointMode</a>().</p>
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<!-- $$$focusZones[overload1]$$$focusZones -->
<h3 class="fn" id="focusZones"><a name="focusZones"></a><code>[pure virtual] </code><span class="type">QCameraFocusZoneList</span> QCameraFocusControl::<span class="name">focusZones</span>() const</h3>
<p>Returns the list of zones, the camera is using for focusing or focused on.</p>
<!-- @@@focusZones -->
<!-- $$$focusZonesChanged[overload1]$$$focusZonesChanged -->
<h3 class="fn" id="focusZonesChanged"><a name="focusZonesChanged"></a><code>[signal] </code><span class="type">void</span> QCameraFocusControl::<span class="name">focusZonesChanged</span>()</h3>
<p>Signal is emitted when the set of zones, camera focused on is changed.</p>
<p>Usually the zones list is changed when the camera is focused.</p>
<p><b>See also </b><a href="qcamerafocuscontrol.html#focusZones">QCameraFocusControl::focusZones</a>().</p>
<!-- @@@focusZonesChanged -->
<!-- $$$isFocusModeSupported[overload1]$$$isFocusModeSupportedQCameraFocus::FocusModes -->
<h3 class="fn" id="isFocusModeSupported"><a name="isFocusModeSupported"></a><code>[pure virtual] </code><span class="type">bool</span> QCameraFocusControl::<span class="name">isFocusModeSupported</span>(<span class="type"><a href="qcamerafocus.html#FocusMode-enum">QCameraFocus::FocusModes</a></span> <i>mode</i>) const</h3>
<p>Returns true if focus <i>mode</i> is supported.</p>
<!-- @@@isFocusModeSupported -->
<!-- $$$isFocusPointModeSupported[overload1]$$$isFocusPointModeSupportedQCameraFocus::FocusPointMode -->
<h3 class="fn" id="isFocusPointModeSupported"><a name="isFocusPointModeSupported"></a><code>[pure virtual] </code><span class="type">bool</span> QCameraFocusControl::<span class="name">isFocusPointModeSupported</span>(<span class="type"><a href="qcamerafocus.html#FocusPointMode-enum">QCameraFocus::FocusPointMode</a></span> <i>mode</i>) const</h3>
<p>Returns true if the camera focus point <i>mode</i> is supported.</p>
<!-- @@@isFocusPointModeSupported -->
<!-- $$$setCustomFocusPoint[overload1]$$$setCustomFocusPointconstQPointF& -->
<h3 class="fn" id="setCustomFocusPoint"><a name="setCustomFocusPoint"></a><code>[pure virtual] </code><span class="type">void</span> QCameraFocusControl::<span class="name">setCustomFocusPoint</span>(const <span class="type">QPointF</span> &amp;<i>point</i>)</h3>
<p>Sets the custom focus <i>point</i>.</p>
<p>If camera supports fixed set of focus points, it should use the nearest supported focus point, and return the actual focus point with <a href="qcamerafocuscontrol.html#focusZones">QCameraFocusControl::focusZones</a>().</p>
<p><b>See also </b><a href="qcamerafocuscontrol.html#customFocusPoint">QCameraFocusControl::customFocusPoint</a>() and <a href="qcamerafocuscontrol.html#focusZones">QCameraFocusControl::focusZones</a>().</p>
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<!-- $$$setFocusMode[overload1]$$$setFocusModeQCameraFocus::FocusModes -->
<h3 class="fn" id="setFocusMode"><a name="setFocusMode"></a><code>[pure virtual] </code><span class="type">void</span> QCameraFocusControl::<span class="name">setFocusMode</span>(<span class="type"><a href="qcamerafocus.html#FocusMode-enum">QCameraFocus::FocusModes</a></span> <i>mode</i>)</h3>
<p>Set the focus mode to <i>mode</i>.</p>
<p><b>See also </b><a href="qcamerafocuscontrol.html#focusMode">focusMode</a>().</p>
<!-- @@@setFocusMode -->
<!-- $$$setFocusPointMode[overload1]$$$setFocusPointModeQCameraFocus::FocusPointMode -->
<h3 class="fn" id="setFocusPointMode"><a name="setFocusPointMode"></a><code>[pure virtual] </code><span class="type">void</span> QCameraFocusControl::<span class="name">setFocusPointMode</span>(<span class="type"><a href="qcamerafocus.html#FocusPointMode-enum">QCameraFocus::FocusPointMode</a></span> <i>mode</i>)</h3>
<p>Sets the camera focus point selection <i>mode</i>.</p>
<p><b>See also </b><a href="qcamerafocuscontrol.html#focusPointMode">focusPointMode</a>().</p>
<!-- @@@setFocusPointMode -->
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<div class="macros">
<h2>Macro Documentation</h2>
<!-- $$$QCameraFocusControl_iid[overload1]$$$QCameraFocusControl_iid -->
<h3 class="fn" id="QCameraFocusControl_iid"><a name="QCameraFocusControl_iid"></a><span class="name">QCameraFocusControl_iid</span></h3>
<p><code>org.qt-project.qt.camerafocuscontrol/5.0</code></p>
<p>Defines the interface name of the <a href="qcamerafocuscontrol.html">QCameraFocusControl</a> class.</p>
<!-- @@@QCameraFocusControl_iid -->
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