/usr/share/qt5/doc/qtmultimedia/qvideowidgetcontrol.html is in qtmultimedia5-doc-html 5.9.5-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 | <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!-- qvideowidgetcontrol.cpp -->
<title>QVideoWidgetControl Class | Qt Multimedia 5.9</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 5.9</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td ><a href="qtmultimedia-modules.html">C++ Classes</a></td><td >QVideoWidgetControl</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.5 Reference Documentation</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="#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">QVideoWidgetControl Class</h1>
<!-- $$$QVideoWidgetControl-brief -->
<p>The <a href="qvideowidgetcontrol.html">QVideoWidgetControl</a> class provides a media control which implements a video widget. <a href="#details">More...</a></p>
<!-- @@@QVideoWidgetControl -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QVideoWidgetControl></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += multimediawidgets</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="qvideowidgetcontrol-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="qvideowidgetcontrol.html#dtor.QVideoWidgetControl">~QVideoWidgetControl</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual Qt::AspectRatioMode </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#aspectRatioMode">aspectRatioMode</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#brightness">brightness</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#contrast">contrast</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#hue">hue</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#isFullScreen">isFullScreen</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#saturation">saturation</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#setAspectRatioMode">setAspectRatioMode</a></b>(Qt::AspectRatioMode <i>mode</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#setBrightness">setBrightness</a></b>(int <i>brightness</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#setContrast">setContrast</a></b>(int <i>contrast</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#setFullScreen">setFullScreen</a></b>(bool <i>fullScreen</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#setHue">setHue</a></b>(int <i>hue</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#setSaturation">setSaturation</a></b>(int <i>saturation</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QWidget *</td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#videoWidget">videoWidget</a></b>() = 0</td></tr>
</table></div>
<ul>
<li class="fn">32 public functions inherited from <a href="../qtcore/qobject.html#public-functions">QObject</a></li>
</ul>
<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="qvideowidgetcontrol.html#brightnessChanged">brightnessChanged</a></b>(int <i>brightness</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#contrastChanged">contrastChanged</a></b>(int <i>contrast</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#fullScreenChanged">fullScreenChanged</a></b>(bool <i>fullScreen</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#hueChanged">hueChanged</a></b>(int <i>hue</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideowidgetcontrol.html#saturationChanged">saturationChanged</a></b>(int <i>saturation</i>)</td></tr>
</table></div>
<ul>
<li class="fn">2 signals inherited from <a href="../qtcore/qobject.html#signals">QObject</a></li>
</ul>
<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="qvideowidgetcontrol.html#QVideoWidgetControl">QVideoWidgetControl</a></b>(QObject *<i>parent</i> = Q_NULLPTR)</td></tr>
</table></div>
<ul>
<li class="fn">9 protected functions inherited from <a href="../qtcore/qobject.html#protected-functions">QObject</a></li>
</ul>
<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="qvideowidgetcontrol.html#QVideoWidgetControl_iid">QVideoWidgetControl_iid</a></b></td></tr>
</table></div>
<h3>Additional Inherited Members</h3>
<ul>
<li class="fn">1 property inherited from <a href="../qtcore/qobject.html#properties">QObject</a></li>
<li class="fn">1 public slot inherited from <a href="../qtcore/qobject.html#public-slots">QObject</a></li>
<li class="fn">1 public variable inherited from <a href="../qtcore/qobject.html#public-variables">QObject</a></li>
<li class="fn">10 static public members inherited from <a href="../qtcore/qobject.html#static-public-members">QObject</a></li>
<li class="fn">2 protected variables inherited from <a href="../qtcore/qobject.html#protected-variables">QObject</a></li>
</ul>
<a name="details"></a>
<!-- $$$QVideoWidgetControl-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qvideowidgetcontrol.html">QVideoWidgetControl</a> class provides a media control which implements a video widget.</p>
<p>The <a href="qvideowidgetcontrol.html#videoWidget">videoWidget</a>() property of <a href="qvideowidgetcontrol.html">QVideoWidgetControl</a> provides a pointer to a video widget implemented by the control's media service. This widget is owned by the media service and so care should be taken not to delete it.</p>
<pre class="cpp">
<span class="type"><a href="qvideowidgetcontrol.html#QVideoWidgetControl">QVideoWidgetControl</a></span> <span class="operator">*</span>widgetControl <span class="operator">=</span> mediaService<span class="operator">-</span><span class="operator">></span>requestControl<span class="operator"><</span><span class="type"><a href="qvideowidgetcontrol.html#QVideoWidgetControl">QVideoWidgetControl</a></span> <span class="operator">*</span><span class="operator">></span>();
layout<span class="operator">-</span><span class="operator">></span>addWidget(widgetControl<span class="operator">-</span><span class="operator">></span>videoWidget());
</pre>
<p><a href="qvideowidgetcontrol.html">QVideoWidgetControl</a> is one of number of possible video output controls.</p>
<p>The interface name of <a href="qvideowidgetcontrol.html">QVideoWidgetControl</a> is <code>org.qt-project.qt.videowidgetcontrol/5.0</code> as defined in <a href="qvideowidgetcontrol.html#QVideoWidgetControl_iid">QVideoWidgetControl_iid</a>.</p>
</div>
<p><b>See also </b><a href="qmediaservice.html#requestControl-1">QMediaService::requestControl</a>() and <a href="qvideowidget.html">QVideoWidget</a>.</p>
<!-- @@@QVideoWidgetControl -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QVideoWidgetControl[overload1]$$$QVideoWidgetControlQObject* -->
<h3 class="fn" id="QVideoWidgetControl"><a name="QVideoWidgetControl"></a><code>[protected] </code>QVideoWidgetControl::<span class="name">QVideoWidgetControl</span>(<span class="type"><a href="../qtcore/qobject.html#QObject">QObject</a></span> *<i>parent</i> = Q_NULLPTR)</h3>
<p>Constructs a new video widget control with the given <i>parent</i>.</p>
<!-- @@@QVideoWidgetControl -->
<!-- $$$~QVideoWidgetControl[overload1]$$$~QVideoWidgetControl -->
<h3 class="fn" id="dtor.QVideoWidgetControl"><a name="dtor.QVideoWidgetControl"></a><code>[virtual] </code>QVideoWidgetControl::<span class="name">~QVideoWidgetControl</span>()</h3>
<p>Destroys a video widget control.</p>
<!-- @@@~QVideoWidgetControl -->
<!-- $$$aspectRatioMode[overload1]$$$aspectRatioMode -->
<h3 class="fn" id="aspectRatioMode"><a name="aspectRatioMode"></a><code>[pure virtual] </code><span class="type"><a href="../qtcore/qt.html#AspectRatioMode-enum">Qt::AspectRatioMode</a></span> QVideoWidgetControl::<span class="name">aspectRatioMode</span>() const</h3>
<p>Returns how video is scaled to fit the widget with respect to its aspect ratio.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#setAspectRatioMode">setAspectRatioMode</a>().</p>
<!-- @@@aspectRatioMode -->
<!-- $$$brightness[overload1]$$$brightness -->
<h3 class="fn" id="brightness"><a name="brightness"></a><code>[pure virtual] </code><span class="type">int</span> QVideoWidgetControl::<span class="name">brightness</span>() const</h3>
<p>Returns the brightness adjustment applied to a video.</p>
<p>Valid brightness values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#setBrightness">setBrightness</a>().</p>
<!-- @@@brightness -->
<!-- $$$brightnessChanged[overload1]$$$brightnessChangedint -->
<h3 class="fn" id="brightnessChanged"><a name="brightnessChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">brightnessChanged</span>(<span class="type">int</span> <i>brightness</i>)</h3>
<p>Signals that a video widget's <i>brightness</i> adjustment has changed.</p>
<!-- @@@brightnessChanged -->
<!-- $$$contrast[overload1]$$$contrast -->
<h3 class="fn" id="contrast"><a name="contrast"></a><code>[pure virtual] </code><span class="type">int</span> QVideoWidgetControl::<span class="name">contrast</span>() const</h3>
<p>Returns the contrast adjustment applied to a video.</p>
<p>Valid contrast values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#setContrast">setContrast</a>().</p>
<!-- @@@contrast -->
<!-- $$$contrastChanged[overload1]$$$contrastChangedint -->
<h3 class="fn" id="contrastChanged"><a name="contrastChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">contrastChanged</span>(<span class="type">int</span> <i>contrast</i>)</h3>
<p>Signals that a video widget's <i>contrast</i> adjustment has changed.</p>
<!-- @@@contrastChanged -->
<!-- $$$fullScreenChanged[overload1]$$$fullScreenChangedbool -->
<h3 class="fn" id="fullScreenChanged"><a name="fullScreenChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">fullScreenChanged</span>(<span class="type">bool</span> <i>fullScreen</i>)</h3>
<p>Signals that the <i>fullScreen</i> state of a video widget has changed.</p>
<!-- @@@fullScreenChanged -->
<!-- $$$hue[overload1]$$$hue -->
<h3 class="fn" id="hue"><a name="hue"></a><code>[pure virtual] </code><span class="type">int</span> QVideoWidgetControl::<span class="name">hue</span>() const</h3>
<p>Returns the hue adjustment applied to a video widget.</p>
<p>Value hue values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#setHue">setHue</a>().</p>
<!-- @@@hue -->
<!-- $$$hueChanged[overload1]$$$hueChangedint -->
<h3 class="fn" id="hueChanged"><a name="hueChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">hueChanged</span>(<span class="type">int</span> <i>hue</i>)</h3>
<p>Signals that a video widget's <i>hue</i> adjustment has changed.</p>
<!-- @@@hueChanged -->
<!-- $$$isFullScreen[overload1]$$$isFullScreen -->
<h3 class="fn" id="isFullScreen"><a name="isFullScreen"></a><code>[pure virtual] </code><span class="type">bool</span> QVideoWidgetControl::<span class="name">isFullScreen</span>() const</h3>
<p>Returns true if the video is shown using the complete screen.</p>
<!-- @@@isFullScreen -->
<!-- $$$saturation[overload1]$$$saturation -->
<h3 class="fn" id="saturation"><a name="saturation"></a><code>[pure virtual] </code><span class="type">int</span> QVideoWidgetControl::<span class="name">saturation</span>() const</h3>
<p>Returns the saturation adjustment applied to a video widget.</p>
<p>Value saturation values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#setSaturation">setSaturation</a>().</p>
<!-- @@@saturation -->
<!-- $$$saturationChanged[overload1]$$$saturationChangedint -->
<h3 class="fn" id="saturationChanged"><a name="saturationChanged"></a><code>[signal] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">saturationChanged</span>(<span class="type">int</span> <i>saturation</i>)</h3>
<p>Signals that a video widget's <i>saturation</i> adjustment has changed.</p>
<!-- @@@saturationChanged -->
<!-- $$$setAspectRatioMode[overload1]$$$setAspectRatioModeQt::AspectRatioMode -->
<h3 class="fn" id="setAspectRatioMode"><a name="setAspectRatioMode"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">setAspectRatioMode</span>(<span class="type"><a href="../qtcore/qt.html#AspectRatioMode-enum">Qt::AspectRatioMode</a></span> <i>mode</i>)</h3>
<p>Sets the aspect ratio <i>mode</i> which determines how video is scaled to the fit the widget with respect to its aspect ratio.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#aspectRatioMode">aspectRatioMode</a>().</p>
<!-- @@@setAspectRatioMode -->
<!-- $$$setBrightness[overload1]$$$setBrightnessint -->
<h3 class="fn" id="setBrightness"><a name="setBrightness"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">setBrightness</span>(<span class="type">int</span> <i>brightness</i>)</h3>
<p>Sets a <i>brightness</i> adjustment for a video.</p>
<p>Valid brightness values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#brightness">brightness</a>().</p>
<!-- @@@setBrightness -->
<!-- $$$setContrast[overload1]$$$setContrastint -->
<h3 class="fn" id="setContrast"><a name="setContrast"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">setContrast</span>(<span class="type">int</span> <i>contrast</i>)</h3>
<p>Sets the contrast adjustment for a video widget to <i>contrast</i>.</p>
<p>Valid contrast values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#contrast">contrast</a>().</p>
<!-- @@@setContrast -->
<!-- $$$setFullScreen[overload1]$$$setFullScreenbool -->
<h3 class="fn" id="setFullScreen"><a name="setFullScreen"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">setFullScreen</span>(<span class="type">bool</span> <i>fullScreen</i>)</h3>
<p>Sets whether a video widget is in <i>fullScreen</i> mode.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#isFullScreen">isFullScreen</a>().</p>
<!-- @@@setFullScreen -->
<!-- $$$setHue[overload1]$$$setHueint -->
<h3 class="fn" id="setHue"><a name="setHue"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">setHue</span>(<span class="type">int</span> <i>hue</i>)</h3>
<p>Sets a <i>hue</i> adjustment for a video widget.</p>
<p>Valid hue values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#hue">hue</a>().</p>
<!-- @@@setHue -->
<!-- $$$setSaturation[overload1]$$$setSaturationint -->
<h3 class="fn" id="setSaturation"><a name="setSaturation"></a><code>[pure virtual] </code><span class="type">void</span> QVideoWidgetControl::<span class="name">setSaturation</span>(<span class="type">int</span> <i>saturation</i>)</h3>
<p>Sets a <i>saturation</i> adjustment for a video widget.</p>
<p>Valid saturation values range between -100 and 100, the default is 0.</p>
<p><b>See also </b><a href="qvideowidgetcontrol.html#saturation">saturation</a>().</p>
<!-- @@@setSaturation -->
<!-- $$$videoWidget[overload1]$$$videoWidget -->
<h3 class="fn" id="videoWidget"><a name="videoWidget"></a><code>[pure virtual] </code><span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span> *QVideoWidgetControl::<span class="name">videoWidget</span>()</h3>
<p>Returns the <a href="../qtwidgets/qwidget.html">QWidget</a>.</p>
<!-- @@@videoWidget -->
</div>
<div class="macros">
<h2>Macro Documentation</h2>
<!-- $$$QVideoWidgetControl_iid[overload1]$$$QVideoWidgetControl_iid -->
<h3 class="fn" id="QVideoWidgetControl_iid"><a name="QVideoWidgetControl_iid"></a><span class="name">QVideoWidgetControl_iid</span></h3>
<p><code>org.qt-project.qt.videowidgetcontrol/5.0</code></p>
<p>Defines the interface name of the <a href="qvideowidgetcontrol.html">QVideoWidgetControl</a> class.</p>
<!-- @@@QVideoWidgetControl_iid -->
</div>
</div>
</div>
</div>
</div>
</div>
<div class="footer">
<p>
<acronym title="Copyright">©</acronym> 2017 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>
|