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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 Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCAMERAZOOMCONTROL_H
#define QCAMERAZOOMCONTROL_H
#include <QtMultimedia/qmediacontrol.h>
#include <QtMultimedia/qmediaobject.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
// Required for QDoc workaround
class QString;
class Q_MULTIMEDIA_EXPORT QCameraZoomControl : public QMediaControl
{
Q_OBJECT
public:
~QCameraZoomControl();
virtual qreal maximumOpticalZoom() const = 0;
virtual qreal maximumDigitalZoom() const = 0;
virtual qreal requestedOpticalZoom() const = 0;
virtual qreal requestedDigitalZoom() const = 0;
virtual qreal currentOpticalZoom() const = 0;
virtual qreal currentDigitalZoom() const = 0;
virtual void zoomTo(qreal optical, qreal digital) = 0;
Q_SIGNALS:
void maximumOpticalZoomChanged(qreal);
void maximumDigitalZoomChanged(qreal);
void requestedOpticalZoomChanged(qreal opticalZoom);
void requestedDigitalZoomChanged(qreal digitalZoom);
void currentOpticalZoomChanged(qreal opticalZoom);
void currentDigitalZoomChanged(qreal digitalZoom);
protected:
QCameraZoomControl(QObject* parent = 0);
};
#define QCameraZoomControl_iid "org.qt-project.qt.camerazoomcontrol/5.0"
Q_MEDIA_DECLARE_CONTROL(QCameraZoomControl, QCameraZoomControl_iid)
QT_END_NAMESPACE
QT_END_HEADER
#endif // QCAMERAZOOMCONTROL_H
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