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Qt 5.2.1 Reference Documentation</li>
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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="#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">QImageEncoderControl Class</h1>
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<p>The QImageEncoderControl class provides access to the settings of a media service that performs image encoding. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> </b><tt><span class="preprocessor">#include <QImageEncoderControl></span>
</tt></td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> <tt>QT += multimedia</tt></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qmediacontrol.html">QMediaControl</a>.</td></tr></table><ul>
<li><a href="qimageencodercontrol-members.html">List of all members, including inherited members</a></li>
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<h2>Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qimageencodercontrol.html#dtor.QImageEncoderControl">~QImageEncoderControl</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qimageencodercontrol.html#imageCodecDescription">imageCodecDescription</a></b>(const QString &<i> codec</i>) const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QImageEncoderSettings </td><td class="memItemRight bottomAlign"><b><a href="qimageencodercontrol.html#imageSettings">imageSettings</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qimageencodercontrol.html#setImageSettings">setImageSettings</a></b>(const QImageEncoderSettings &<i> settings</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QStringList </td><td class="memItemRight bottomAlign"><b><a href="qimageencodercontrol.html#supportedImageCodecs">supportedImageCodecs</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QList<QSize> </td><td class="memItemRight bottomAlign"><b><a href="qimageencodercontrol.html#supportedResolutions">supportedResolutions</a></b>(const QImageEncoderSettings &<i> settings</i>, bool *<i> continuous</i> = 0) const = 0</td></tr>
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<h2>Protected Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qimageencodercontrol.html#QImageEncoderControl">QImageEncoderControl</a></b>(QObject *<i> parent</i> = 0)</td></tr>
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<h2>Macros</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qimageencodercontrol.html#QImageEncoderControl_iid">QImageEncoderControl_iid</a></b></td></tr>
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<h2>Detailed Description</h2>
<p>The QImageEncoderControl class provides access to the settings of a media service that performs image encoding.</p>
<p>If a <a href="qmediaservice.html">QMediaService</a> supports encoding image data it will implement QImageEncoderControl. This control allows to <a href="qimageencodercontrol.html#setImageSettings">set image encoding settings</a> and provides functions for quering supported image <a href="qimageencodercontrol.html#supportedImageCodecs">codecs</a> and <a href="qimageencodercontrol.html#supportedResolutions">resolutions</a>.</p>
<p>The interface name of QImageEncoderControl is <tt>org.qt-project.qt.imageencodercontrol/5.0</tt> as defined in <a href="qimageencodercontrol.html#QImageEncoderControl_iid">QImageEncoderControl_iid</a>.</p>
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<p><b>See also </b><a href="qimageencodersettings.html">QImageEncoderSettings</a> and <a href="qmediaservice.html#requestControl">QMediaService::requestControl</a>().</p>
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<h2>Member Function Documentation</h2>
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<h3 class="fn"><a name="QImageEncoderControl"></a>QImageEncoderControl::<span class="name">QImageEncoderControl</span>(<span class="type">QObject</span> *<i> parent</i> = 0)<tt> [protected]</tt></h3>
<p>Constructs a new image encoder control object with the given <i>parent</i></p>
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<h3 class="fn"><a name="dtor.QImageEncoderControl"></a>QImageEncoderControl::<span class="name">~QImageEncoderControl</span>()<tt> [virtual]</tt></h3>
<p>Destroys the image encoder control.</p>
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<h3 class="fn"><a name="imageCodecDescription"></a><span class="type">QString</span> QImageEncoderControl::<span class="name">imageCodecDescription</span>(const <span class="type">QString</span> &<i> codec</i>) const<tt> [pure virtual]</tt></h3>
<p>Returns a description of an image <i>codec</i>.</p>
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<h3 class="fn"><a name="imageSettings"></a><span class="type"><a href="qimageencodersettings.html">QImageEncoderSettings</a></span> QImageEncoderControl::<span class="name">imageSettings</span>() const<tt> [pure virtual]</tt></h3>
<p>Returns the currently used image encoder settings.</p>
<p>The returned value may be different tha passed to <a href="qimageencodercontrol.html#setImageSettings">QImageEncoderControl::setImageSettings</a>() if the settings contains the default or undefined parameters. In this case if the undefined parameters are already resolved, they should be returned.</p>
<p><b>See also </b><a href="qimageencodercontrol.html#setImageSettings">setImageSettings</a>().</p>
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<h3 class="fn"><a name="setImageSettings"></a><span class="type">void</span> QImageEncoderControl::<span class="name">setImageSettings</span>(const <span class="type"><a href="qimageencodersettings.html">QImageEncoderSettings</a></span> &<i> settings</i>)<tt> [pure virtual]</tt></h3>
<p>Sets the selected image encoder <i>settings</i>.</p>
<p><b>See also </b><a href="qimageencodercontrol.html#imageSettings">imageSettings</a>().</p>
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<h3 class="fn"><a name="supportedImageCodecs"></a><span class="type">QStringList</span> QImageEncoderControl::<span class="name">supportedImageCodecs</span>() const<tt> [pure virtual]</tt></h3>
<p>Returns a list of supported image codecs.</p>
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<h3 class="fn"><a name="supportedResolutions"></a><span class="type">QList</span><<span class="type">QSize</span>> QImageEncoderControl::<span class="name">supportedResolutions</span>(const <span class="type"><a href="qimageencodersettings.html">QImageEncoderSettings</a></span> &<i> settings</i>, <span class="type">bool</span> *<i> continuous</i> = 0) const<tt> [pure virtual]</tt></h3>
<p>Returns a list of supported resolutions.</p>
<p>If non null image <i>settings</i> parameter is passed, the returned list is reduced to resolutions supported with partial settings applied. It can be used to query the list of resolutions, supported by specific image codec.</p>
<p>If the encoder supports arbitrary resolutions within the supported resolutions range, *<i>continuous</i> is set to true, otherwise *<i>continuous</i> is set to false.</p>
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<h2>Macro Documentation</h2>
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<h3 class="fn"><a name="QImageEncoderControl_iid"></a><span class="name">QImageEncoderControl_iid</span></h3>
<p><tt>org.qt-project.qt.imageencodercontrol/5.0</tt></p>
<p>Defines the interface name of the <a href="qimageencodercontrol.html">QImageEncoderControl</a> class.</p>
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