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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEATTENUATIONMODEL_P_H
#define QDECLARATIVEATTENUATIONMODEL_P_H
#include <QtQml/qqml.h>
#include <QtQml/qqmlcomponent.h>
#include <QVector3D>
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
#endif
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