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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:FDL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Free Documentation License Usage
** Alternatively, this file may be used under the terms of the GNU Free
** Documentation License version 1.3 as published by the Free Software
** Foundation and appearing in the file included in the packaging of
** this file. Please review the following information to ensure
** the GNU Free Documentation License version 1.3 requirements
** will be met: http://www.gnu.org/copyleft/fdl.html.
** $QT_END_LICENSE$
**
****************************************************************************/
/*!
\example slideshow
\title SlideShow Example
\image slideshow-img1.png
Slideshow displays a series of time delayed images after you select a
source image directory to use. The folder button presents a list of three
options: browse for a directory, load a playlist or enter a location.
This implementation uses a QMediaImageViewer object for the image with
a QVideoWidget used to do the display. Whether the the source is a
browsed directory, a playlist file or a URL to a local or remote
location the playlist object in Slideshow is updated with the file or
multiple file locations.
\code
connect(imageViewer, SIGNAL(stateChanged(QMediaImageViewer::State)),
this, SLOT(stateChanged(QMediaImageViewer::State)));
playlist = new QMediaPlaylist;
playlist->setMediaObject(imageViewer);
\endcode
We create a QVideoWidget to display the viewer and add it to the dialog.
\code
QVideoWidget *videoWidget = new QVideoWidget;
videoWidget->setMediaObject(imageViewer);
\endcode
\code
layout->addWidget(videoWidget, Qt::AlignCenter);
\endcode
The timeout between images is set by changing the timeout property in
QMediaImageViewer which is in milliseconds. So to change the timeout
to five seconds
\code
imageViewer->setTimeout( 5000 );
\endcode
*/
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