qtmobility/src/multimedia/qgraphicsvideoitem.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 23 Jun 2010 19:08:38 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QGRAPHICSVIDEOITEM_H
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#define QGRAPHICSVIDEOITEM_H
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#include <QtGui/qgraphicsitem.h>
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#include <qvideowidget.h>
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#include <qmediabindableinterface.h>
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QT_BEGIN_NAMESPACE
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class QVideoSurfaceFormat;
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QT_END_NAMESPACE
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QT_BEGIN_NAMESPACE
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class QGraphicsVideoItemPrivate;
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class Q_MULTIMEDIA_EXPORT QGraphicsVideoItem : public QGraphicsObject, public QMediaBindableInterface
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{
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    Q_OBJECT
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    Q_INTERFACES(QMediaBindableInterface)
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    Q_PROPERTY(QMediaObject* mediaObject READ mediaObject WRITE setMediaObject)
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    Q_PROPERTY(Qt::AspectRatioMode aspectRatioMode READ aspectRatioMode WRITE setAspectRatioMode)
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    Q_PROPERTY(QPointF offset READ offset WRITE setOffset)
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    Q_PROPERTY(QSizeF size READ size WRITE setSize)
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    Q_PROPERTY(QSizeF nativeSize READ nativeSize NOTIFY nativeSizeChanged)
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public:
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    QGraphicsVideoItem(QGraphicsItem *parent = 0);
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    ~QGraphicsVideoItem();
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    QMediaObject *mediaObject() const;    
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    Qt::AspectRatioMode aspectRatioMode() const;
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    void setAspectRatioMode(Qt::AspectRatioMode mode);
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    QPointF offset() const;
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    void setOffset(const QPointF &offset);
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    QSizeF size() const;
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    void setSize(const QSizeF &size);
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    QSizeF nativeSize() const;
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    QRectF boundingRect() const;
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    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
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Q_SIGNALS:
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    void nativeSizeChanged(const QSizeF &size);
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protected:
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    void timerEvent(QTimerEvent *event);
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    QVariant itemChange(GraphicsItemChange change, const QVariant &value);
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    bool setMediaObject(QMediaObject *object);
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    QGraphicsVideoItemPrivate *d_ptr;
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private:
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    Q_DECLARE_PRIVATE(QGraphicsVideoItem)
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    Q_PRIVATE_SLOT(d_func(), void _q_present())
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    Q_PRIVATE_SLOT(d_func(), void _q_formatChanged(const QVideoSurfaceFormat &))
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    Q_PRIVATE_SLOT(d_func(), void _q_serviceDestroyed())
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};
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QT_END_NAMESPACE
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#endif