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<li><a href="qtmultimedia-index.html">Qt Multimedia</a></li>
<li><a href="qtmultimedia-qmlmodule.html">QML Types</a></li>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">CameraFlash QML Type</h1>
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<p>An interface for flash related camera settings. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Import Statement:</td><td class="memItemRight bottomAlign"> import QtMultimedia 5.5</td></tr></table></div><ul>
<li><a href="qml-qtmultimedia-cameraflash-members.html">List of all members, including inherited members</a></li>
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<h2 id="properties">Properties</h2>
<ul>
<li class="fn"><b><b><a href="qml-qtmultimedia-cameraflash.html#mode-prop">mode</a></b></b> : enumeration</li>
<li class="fn"><b><b><a href="qml-qtmultimedia-cameraflash.html#ready-prop">ready</a></b></b> : bool</li>
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<h2 id="signals">Signals</h2>
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<li class="fn"><b><b><a href="qml-qtmultimedia-cameraflash.html#flashModeChanged-signal">flashModeChanged</a></b></b>(int)</li>
<li class="fn"><b><b><a href="qml-qtmultimedia-cameraflash.html#flashReady-signal">flashReady</a></b></b>(bool)</li>
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<h2 id="details">Detailed Description</h2>
</p>
<p>This type allows you to operate the camera flash hardware and control the flash mode used. Not all cameras have flash hardware (and in some cases it is shared with the <a href="qml-qtmultimedia-torch.html">torch</a> hardware).</p>
<p>It should not be constructed separately, instead the <code>flash</code> property of a <a href="qml-multimedia.html#camera">Camera</a> should be used.</p>
<pre class="qml"><span class="type"><a href="qml-qtmultimedia-camera.html">Camera</a></span> {
<span class="name">id</span>: <span class="name">camera</span>
<span class="name">exposure</span>.exposureCompensation: -<span class="number">1.0</span>
<span class="name">flash</span>.mode: <span class="name">Camera</span>.<span class="name">FlashRedEyeReduction</span>
}</pre>
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<h2>Property Documentation</h2>
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<div class="qmlitem"><div class="qmlproto"><div class="table"><table class="qmlname"><tr valign="top" class="odd" id="mode-prop"><td class="tblQmlPropNode"><p><a name="mode-prop"></a><span class="name">mode</span> : <span class="type">enumeration</span></p></td></tr></table></div></div><div class="qmldoc"><p>This property holds the camera flash mode.</p>
<p>The mode can be one of the following:</p>
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<thead><tr class="qt-style"><th >Value</th><th >Description</th></tr></thead>
<tr valign="top" class="odd"><td >Camera.FlashOff</td><td >Flash is Off.</td></tr>
<tr valign="top" class="even"><td >Camera.FlashOn</td><td >Flash is On.</td></tr>
<tr valign="top" class="odd"><td >Camera.FlashAuto</td><td >Automatic flash.</td></tr>
<tr valign="top" class="even"><td >Camera.FlashRedEyeReduction</td><td >Red eye reduction flash.</td></tr>
<tr valign="top" class="odd"><td >Camera.FlashFill</td><td >Use flash to fillin shadows.</td></tr>
<tr valign="top" class="even"><td >Camera.FlashTorch</td><td >Constant light source. If supported, torch can be enabled without loading the camera.</td></tr>
<tr valign="top" class="odd"><td >Camera.FlashVideoLight</td><td >Constant light source, useful for video capture. The light is turned on only while the camera is active.</td></tr>
<tr valign="top" class="even"><td >Camera.FlashSlowSyncFrontCurtain</td><td >Use the flash in conjunction with a slow shutter speed. This mode allows better exposure of distant objects and/or motion blur effect.</td></tr>
<tr valign="top" class="odd"><td >Camera.FlashSlowSyncRearCurtain</td><td >The similar mode to FlashSlowSyncFrontCurtain but flash is fired at the end of exposure.</td></tr>
<tr valign="top" class="even"><td >Camera.FlashManual</td><td >Flash power is manually set.</td></tr>
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<div class="qmlitem"><div class="qmlproto"><div class="table"><table class="qmlname"><tr valign="top" class="odd" id="ready-prop"><td class="tblQmlPropNode"><p><a name="ready-prop"></a><span class="name">ready</span> : <span class="type">bool</span></p></td></tr></table></div></div><div class="qmldoc"><p>This property indicates whether the flash is charged.</p>
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<h2>Signal Documentation</h2>
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<div class="qmlitem"><div class="qmlproto"><div class="table"><table class="qmlname"><tr valign="top" class="odd" id="flashModeChanged-signal"><td class="tblQmlFuncNode"><p><a name="flashModeChanged-signal"></a><span class="name">flashModeChanged</span>(<span class="type">int</span>)</p></td></tr></table></div></div><div class="qmldoc"><p>This signal is emitted when the <code>flashMode</code> property is changed. The corresponding handler is <code>onFlashModeChanged</code>.</p>
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<div class="qmlitem"><div class="qmlproto"><div class="table"><table class="qmlname"><tr valign="top" class="odd" id="flashReady-signal"><td class="tblQmlFuncNode"><p><a name="flashReady-signal"></a><span class="name">flashReady</span>(<span class="type">bool</span>)</p></td></tr></table></div></div><div class="qmldoc"><p>This signal is emitted when <a href="qcameraexposure.html">QCameraExposure</a> indicates that the flash is ready to use. The corresponding handler is <code>onFlashReadyChanged</code>.</p>
</div></div><!-- @@@flashReady -->
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