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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFXPARTICLES_H
+#define QFXPARTICLES_H
+
+#include <QtDeclarative/qfxitem.h>
+
+#if defined(QFX_RENDER_OPENGL)
+#include "gltexture.h"
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+class QFxParticle;
+class QFxParticles;
+class Q_DECLARATIVE_EXPORT QFxParticleMotion : public QObject
+{
+    Q_OBJECT
+public:
+    QFxParticleMotion(QObject *parent=0);
+
+    virtual void advance(QFxParticle &, int interval);
+    virtual void created(QFxParticle &);
+    virtual void destroy(QFxParticle &);
+};
+
+class Q_DECLARATIVE_EXPORT QFxParticleMotionLinear : public QFxParticleMotion
+{
+    Q_OBJECT
+public:
+    QFxParticleMotionLinear(QObject *parent=0)
+        : QFxParticleMotion(parent) {}
+
+    virtual void advance(QFxParticle &, int interval);
+};
+
+class Q_DECLARATIVE_EXPORT QFxParticleMotionGravity : public QFxParticleMotion
+{
+    Q_OBJECT
+
+    Q_PROPERTY(int xattractor READ xAttractor WRITE setXAttractor)
+    Q_PROPERTY(int yattractor READ yAttractor WRITE setYAttractor)
+    Q_PROPERTY(int acceleration READ acceleration WRITE setAcceleration)
+public:
+    QFxParticleMotionGravity(QObject *parent=0)
+        : QFxParticleMotion(parent), _xAttr(0), _yAttr(0), _accel(0.00005) {}
+
+    int xAttractor() const { return _xAttr; }
+    void setXAttractor(int x) { _xAttr = x; }
+
+    int yAttractor() const { return _yAttr; }
+    void setYAttractor(int y) { _yAttr = y; }
+
+    int acceleration() const { return int(_accel * 1000000); }
+    void setAcceleration(int accel) { _accel = qreal(accel)/1000000.0; }
+
+    virtual void advance(QFxParticle &, int interval);
+
+private:
+    int _xAttr;
+    int _yAttr;
+    qreal _accel;
+};
+
+class Q_DECLARATIVE_EXPORT QFxParticleMotionWander : public QFxParticleMotion
+{
+    Q_OBJECT
+public:
+    QFxParticleMotionWander()
+        : QFxParticleMotion(), particles(0), _xvariance(0), _yvariance(0) {}
+
+    virtual void advance(QFxParticle &, int interval);
+    virtual void created(QFxParticle &);
+    virtual void destroy(QFxParticle &);
+
+    struct Data {
+        qreal x_targetV;
+        qreal y_targetV;
+        qreal x_peak;
+        qreal y_peak;
+        qreal x_var;
+        qreal y_var;
+    };
+
+    Q_PROPERTY(int xvariance READ xVariance WRITE setXVariance)
+    int xVariance() const { return int(_xvariance * 1000); }
+    void setXVariance(int var) { _xvariance = var / 1000.0; }
+
+    Q_PROPERTY(int yvariance READ yVariance WRITE setYVariance)
+    int yVariance() const { return int(_yvariance * 1000); }
+    void setYVariance(int var) { _yvariance = var / 1000.0; }
+
+    Q_PROPERTY(int pace READ pace WRITE setPace)
+    int pace() const { return int(_pace * 1000); }
+    void setPace(int pace) { _pace = pace / 1000.0; }
+
+private:
+    QFxParticles *particles;
+    qreal _xvariance;
+    qreal _yvariance;
+    qreal _pace;
+};
+
+class QFxParticlesPrivate;
+class Q_DECLARATIVE_EXPORT QFxParticles : public QFxItem
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QUrl source READ source WRITE setSource)
+    Q_PROPERTY(int count READ count WRITE setCount)
+    Q_PROPERTY(int lifeSpan READ lifeSpan WRITE setLifeSpan)
+    Q_PROPERTY(int lifeSpanDeviation READ lifeSpanDeviation WRITE setLifeSpanDeviation)
+    Q_PROPERTY(int fadeInDuration READ fadeInDuration WRITE setFadeInDuration)
+    Q_PROPERTY(int fadeOutDuration READ fadeOutDuration WRITE setFadeOutDuration)
+    Q_PROPERTY(qreal angle READ angle WRITE setAngle)
+    Q_PROPERTY(qreal angleDeviation READ angleDeviation WRITE setAngleDeviation)
+    Q_PROPERTY(qreal velocity READ velocity WRITE setVelocity)
+    Q_PROPERTY(qreal velocityDeviation READ velocityDeviation WRITE setVelocityDeviation)
+    Q_PROPERTY(bool streamIn READ streamIn WRITE setStreamIn)
+    Q_PROPERTY(bool emitting READ emitting WRITE setEmitting)
+    Q_PROPERTY(QFxParticleMotion *motion READ motion WRITE setMotion)
+    Q_CLASSINFO("DefaultProperty", "motion")
+
+public:
+    QFxParticles(QFxItem *parent=0);
+    ~QFxParticles();
+
+    QUrl source() const;
+    void setSource(const QUrl &);
+
+    int count() const;
+    void setCount(int cnt);
+
+    int lifeSpan() const;
+    void setLifeSpan(int);
+
+    int lifeSpanDeviation() const;
+    void setLifeSpanDeviation(int);
+
+    int fadeInDuration() const;
+    void setFadeInDuration(int);
+
+    int fadeOutDuration() const;
+    void setFadeOutDuration(int);
+
+    qreal angle() const;
+    void setAngle(qreal);
+
+    qreal angleDeviation() const;
+    void setAngleDeviation(qreal);
+
+    qreal velocity() const;
+    void setVelocity(qreal);
+
+    qreal velocityDeviation() const;
+    void setVelocityDeviation(qreal);
+
+    bool streamIn() const;
+    void setStreamIn(bool);
+
+    bool emitting() const;
+    void setEmitting(bool);
+
+    QFxParticleMotion *motion() const;
+    void setMotion(QFxParticleMotion *);
+
+    virtual void dump(int depth);
+    virtual QString propertyInfo() const;
+
+#if defined(QFX_RENDER_QPAINTER) 
+    void paintContents(QPainter &p);
+#elif defined(QFX_RENDER_OPENGL2)
+    void paintGLContents(GLPainter &);
+#endif
+
+protected:
+    virtual void componentComplete();
+    QFxParticles(QFxParticlesPrivate &dd, QFxItem *parent);
+
+private Q_SLOTS:
+    void imageLoaded();
+
+private:
+    Q_DISABLE_COPY(QFxParticles)
+    Q_DECLARE_PRIVATE(QFxParticles)
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QFxParticleMotion)
+QML_DECLARE_TYPE(QFxParticleMotionLinear)
+QML_DECLARE_TYPE(QFxParticleMotionGravity)
+QML_DECLARE_TYPE(QFxParticleMotionWander)
+QML_DECLARE_TYPE(QFxParticles)
+
+QT_END_HEADER
+
+#endif