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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEATTENUATIONMODEL_P_H
#define QDECLARATIVEATTENUATIONMODEL_P_H
#include <QtQml/qqml.h>
#include <QtQml/qqmlcomponent.h>
#include <QVector3D>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QDeclarativeAttenuationModel : public QObject, public QQmlParserStatus
{
Q_OBJECT
Q_INTERFACES(QQmlParserStatus)
Q_PROPERTY(QString name READ name WRITE setName)
public:
QDeclarativeAttenuationModel(QObject *parent = 0);
~QDeclarativeAttenuationModel();
void classBegin();
void componentComplete();
QString name() const;
void setName(const QString& name);
virtual qreal calculateGain(const QVector3D &listenerPosition, const QVector3D &sourcePosition) const = 0;
protected:
bool m_complete;
QString m_name;
private:
Q_DISABLE_COPY(QDeclarativeAttenuationModel);
};
class QDeclarativeAttenuationModelLinear : public QDeclarativeAttenuationModel
{
Q_OBJECT
Q_PROPERTY(qreal start READ startDistance WRITE setStartDistance CONSTANT)
Q_PROPERTY(qreal end READ endDistance WRITE setEndDistance CONSTANT)
public:
QDeclarativeAttenuationModelLinear(QObject *parent = 0);
void componentComplete();
qreal startDistance() const;
void setStartDistance(qreal startDist);
qreal endDistance() const;
void setEndDistance(qreal endDist);
qreal calculateGain(const QVector3D &listenerPosition, const QVector3D &sourcePosition) const;
private:
Q_DISABLE_COPY(QDeclarativeAttenuationModelLinear);
qreal m_start;
qreal m_end;
};
class QDeclarativeAttenuationModelInverse : public QDeclarativeAttenuationModel
{
Q_OBJECT
Q_PROPERTY(qreal start READ referenceDistance WRITE setReferenceDistance CONSTANT)
Q_PROPERTY(qreal end READ maxDistance WRITE setMaxDistance CONSTANT)
Q_PROPERTY(qreal rolloff READ rolloffFactor WRITE setRolloffFactor CONSTANT)
public:
QDeclarativeAttenuationModelInverse(QObject *parent = 0);
void componentComplete();
qreal referenceDistance() const;
void setReferenceDistance(qreal referenceDistance);
qreal maxDistance() const;
void setMaxDistance(qreal maxDistance);
qreal rolloffFactor() const;
void setRolloffFactor(qreal rolloffFactor);
qreal calculateGain(const QVector3D &listenerPosition, const QVector3D &sourcePosition) const;
private:
Q_DISABLE_COPY(QDeclarativeAttenuationModelInverse);
qreal m_ref;
qreal m_max;
qreal m_rolloff;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
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