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-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Declarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** 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, 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.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef TRAILSEMITTER_H
-#define TRAILSEMITTER_H
-
-#include <QtCore>
-#include <QtGui>
-
-#include "particleemitter.h"
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Declarative)
-
-
-class ParticleTrailsMaterial;
-class QSGGeometryNode;
-
-class TrailsEmitter : public ParticleEmitter
-{
- Q_OBJECT
-
- Q_PROPERTY(qreal speedFromMovement READ speedFromMovement WRITE setSpeedFromMovement NOTIFY speedFromMovementChanged)
-
-public:
- explicit TrailsEmitter(QSGItem* parent=0);
- virtual ~TrailsEmitter(){}
- virtual void emitWindow(int timeStamp);
-
-
- qreal speedFromMovement() const { return m_speed_from_movement; }
- void setSpeedFromMovement(qreal s);
-
- qreal renderOpacity() const { return m_render_opacity; }
-
-signals:
-
- void speedFromMovementChanged();
-
-public slots:
-public:
- virtual void reset();
-protected:
-
-private:
-
- qreal m_speed_from_movement;
-
- // derived values...
- int m_particle_count;
- bool m_reset_last;
- qreal m_last_timestamp;
- qreal m_last_emission;
-
- QPointF m_last_emitter;
- QPointF m_last_last_emitter;
- QPointF m_last_last_last_emitter;
-
- qreal m_render_opacity;
-};
-
-QT_END_NAMESPACE
-QT_END_HEADER
-#endif // TRAILSEMITTER_H