<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qcameralockscontrol.cpp --> <title>QCameraLocksControl Class | Qt Multimedia 5.12.2</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <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 >QCameraLocksControl</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtmultimedia-index.html">Qt 5.12.2 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <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="#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> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QCameraLocksControl Class</h1> <!-- $$$QCameraLocksControl-brief --> <p>The <a href="qcameralockscontrol.html">QCameraLocksControl</a> class is an abstract base class for classes that control still cameras or video cameras. <a href="#details">More...</a></p> <!-- @@@QCameraLocksControl --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QCameraLocksControl></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="qcameralockscontrol-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="qcameralockscontrol.html#dtor.QCameraLocksControl">~QCameraLocksControl</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QCamera::LockStatus </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#lockStatus">lockStatus</a></b>(QCamera::LockType <i>lock</i>) const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#searchAndLock">searchAndLock</a></b>(QCamera::LockTypes <i>locks</i>) = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual QCamera::LockTypes </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#supportedLocks">supportedLocks</a></b>() const = 0</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#unlock">unlock</a></b>(QCamera::LockTypes <i>locks</i>) = 0</td></tr> </table></div> <a name="signals"></a> <h2 id="signals">Signals</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#lockStatusChanged">lockStatusChanged</a></b>(QCamera::LockType <i>type</i>, QCamera::LockStatus <i>status</i>, QCamera::LockChangeReason <i>reason</i>)</td></tr> </table></div> <a name="static-public-members"></a> <h2 id="static-public-members">Static Public Members</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> const QMetaObject </td><td class="memItemRight bottomAlign"><b><a href="qcameralockscontrol.html#staticMetaObject-var">staticMetaObject</a></b></td></tr> </table></div> <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="qcameralockscontrol.html#QCameraLocksControl">QCameraLocksControl</a></b>(QObject *<i>parent</i> = nullptr)</td></tr> </table></div> <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="qcameralockscontrol.html#QCameraLocksControl_iid">QCameraLocksControl_iid</a></b></td></tr> </table></div> <a name="details"></a> <!-- $$$QCameraLocksControl-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qcameralockscontrol.html">QCameraLocksControl</a> class is an abstract base class for classes that control still cameras or video cameras.</p> <p>This service is provided by a <a href="qmediaservice.html">QMediaService</a> object via QMediaService::control(). It is used by <a href="qcamera.html">QCamera</a>.</p> <p>The interface name of <a href="qcameralockscontrol.html">QCameraLocksControl</a> is <code>org.qt-project.qt.cameralockscontrol/5.0</code> as defined in <a href="qcameralockscontrol.html#QCameraLocksControl_iid">QCameraLocksControl_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> <!-- @@@QCameraLocksControl --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QCameraLocksControl[overload1]$$$QCameraLocksControlQObject* --> <h3 class="fn" id="QCameraLocksControl"><a name="QCameraLocksControl"></a><code>[protected] </code>QCameraLocksControl::<span class="name">QCameraLocksControl</span>(<span class="type">QObject</span> *<i>parent</i> = nullptr)</h3> <p>Constructs a camera locks control object with <i>parent</i>.</p> <!-- @@@QCameraLocksControl --> <!-- $$$~QCameraLocksControl[overload1]$$$~QCameraLocksControl --> <h3 class="fn" id="dtor.QCameraLocksControl"><a name="dtor.QCameraLocksControl"></a><code>[virtual] </code>QCameraLocksControl::<span class="name">~QCameraLocksControl</span>()</h3> <p>Destruct the camera locks control object.</p> <!-- @@@~QCameraLocksControl --> <!-- $$$lockStatus[overload1]$$$lockStatusQCamera::LockType --> <h3 class="fn" id="lockStatus"><a name="lockStatus"></a><code>[pure virtual] </code><span class="type"><a href="qcamera.html#LockStatus-enum">QCamera::LockStatus</a></span> QCameraLocksControl::<span class="name">lockStatus</span>(<span class="type"><a href="qcamera.html#LockType-enum">QCamera::LockType</a></span> <i>lock</i>) const</h3> <!-- @@@lockStatus --> <!-- $$$lockStatusChanged[overload1]$$$lockStatusChangedQCamera::LockTypeQCamera::LockStatusQCamera::LockChangeReason --> <h3 class="fn" id="lockStatusChanged"><a name="lockStatusChanged"></a><code>[signal] </code><span class="type">void</span> QCameraLocksControl::<span class="name">lockStatusChanged</span>(<span class="type"><a href="qcamera.html#LockType-enum">QCamera::LockType</a></span> <i>type</i>, <span class="type"><a href="qcamera.html#LockStatus-enum">QCamera::LockStatus</a></span> <i>status</i>, <span class="type"><a href="qcamera.html#LockChangeReason-enum">QCamera::LockChangeReason</a></span> <i>reason</i>)</h3> <!-- @@@lockStatusChanged --> <!-- $$$searchAndLock[overload1]$$$searchAndLockQCamera::LockTypes --> <h3 class="fn" id="searchAndLock"><a name="searchAndLock"></a><code>[pure virtual] </code><span class="type">void</span> QCameraLocksControl::<span class="name">searchAndLock</span>(<span class="type"><a href="qcamera.html#LockType-enum">QCamera::LockTypes</a></span> <i>locks</i>)</h3> <!-- @@@searchAndLock --> <!-- $$$supportedLocks[overload1]$$$supportedLocks --> <h3 class="fn" id="supportedLocks"><a name="supportedLocks"></a><code>[pure virtual] </code><span class="type"><a href="qcamera.html#LockType-enum">QCamera::LockTypes</a></span> QCameraLocksControl::<span class="name">supportedLocks</span>() const</h3> <!-- @@@supportedLocks --> <!-- $$$unlock[overload1]$$$unlockQCamera::LockTypes --> <h3 class="fn" id="unlock"><a name="unlock"></a><code>[pure virtual] </code><span class="type">void</span> QCameraLocksControl::<span class="name">unlock</span>(<span class="type"><a href="qcamera.html#LockType-enum">QCamera::LockTypes</a></span> <i>locks</i>)</h3> <!-- @@@unlock --> </div> <div class="macros"> <h2>Macro Documentation</h2> <!-- $$$QCameraLocksControl_iid[overload1]$$$QCameraLocksControl_iid --> <h3 class="fn" id="QCameraLocksControl_iid"><a name="QCameraLocksControl_iid"></a><span class="name">QCameraLocksControl_iid</span></h3> <p><code>org.qt-project.qt.cameralockscontrol/5.0</code></p> <p>Defines the interface name of the <a href="qcameralockscontrol.html">QCameraLocksControl</a> class.</p> <!-- @@@QCameraLocksControl_iid --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> 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.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>