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257 lines
8.4 KiB
C++
257 lines
8.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QDECLARATIVEPARTICLES_H
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#define QDECLARATIVEPARTICLES_H
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#include <QtDeclarative/qdeclarativeitem.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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class QDeclarativeParticle;
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class QDeclarativeParticles;
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class QDeclarativeParticleMotion : public QObject
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{
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Q_OBJECT
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public:
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QDeclarativeParticleMotion(QObject *parent=0);
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virtual void advance(QDeclarativeParticle &, int interval);
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virtual void created(QDeclarativeParticle &);
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virtual void destroy(QDeclarativeParticle &);
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};
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class QDeclarativeParticleMotionLinear : public QDeclarativeParticleMotion
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{
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Q_OBJECT
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public:
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QDeclarativeParticleMotionLinear(QObject *parent=0)
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: QDeclarativeParticleMotion(parent) {}
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virtual void advance(QDeclarativeParticle &, int interval);
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};
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class QDeclarativeParticleMotionGravity : public QDeclarativeParticleMotion
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{
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Q_OBJECT
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Q_PROPERTY(qreal xattractor READ xAttractor WRITE setXAttractor NOTIFY xattractorChanged)
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Q_PROPERTY(qreal yattractor READ yAttractor WRITE setYAttractor NOTIFY yattractorChanged)
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Q_PROPERTY(qreal acceleration READ acceleration WRITE setAcceleration NOTIFY accelerationChanged)
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public:
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QDeclarativeParticleMotionGravity(QObject *parent=0)
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: QDeclarativeParticleMotion(parent), _xAttr(0.0), _yAttr(0.0), _accel(0.00005) {}
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qreal xAttractor() const { return _xAttr; }
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void setXAttractor(qreal x);
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qreal yAttractor() const { return _yAttr; }
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void setYAttractor(qreal y);
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qreal acceleration() const { return _accel * 1000000; }
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void setAcceleration(qreal accel);
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virtual void advance(QDeclarativeParticle &, int interval);
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Q_SIGNALS:
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void xattractorChanged();
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void yattractorChanged();
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void accelerationChanged();
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private:
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qreal _xAttr;
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qreal _yAttr;
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qreal _accel;
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};
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class QDeclarativeParticleMotionWander : public QDeclarativeParticleMotion
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{
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Q_OBJECT
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public:
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QDeclarativeParticleMotionWander()
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: QDeclarativeParticleMotion(), particles(0), _xvariance(0), _yvariance(0), _pace(100) {}
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virtual void advance(QDeclarativeParticle &, int interval);
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virtual void created(QDeclarativeParticle &);
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virtual void destroy(QDeclarativeParticle &);
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struct Data {
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qreal x_targetV;
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qreal y_targetV;
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qreal x_peak;
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qreal y_peak;
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qreal x_var;
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qreal y_var;
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};
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Q_PROPERTY(qreal xvariance READ xVariance WRITE setXVariance NOTIFY xvarianceChanged)
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qreal xVariance() const { return _xvariance * 1000.0; }
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void setXVariance(qreal var);
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Q_PROPERTY(qreal yvariance READ yVariance WRITE setYVariance NOTIFY yvarianceChanged)
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qreal yVariance() const { return _yvariance * 1000.0; }
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void setYVariance(qreal var);
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Q_PROPERTY(qreal pace READ pace WRITE setPace NOTIFY paceChanged)
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qreal pace() const { return _pace * 1000.0; }
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void setPace(qreal pace);
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Q_SIGNALS:
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void xvarianceChanged();
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void yvarianceChanged();
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void paceChanged();
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private:
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QDeclarativeParticles *particles;
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qreal _xvariance;
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qreal _yvariance;
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qreal _pace;
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};
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class QDeclarativeParticlesPrivate;
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class QDeclarativeParticles : public QDeclarativeItem
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{
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Q_OBJECT
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Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)
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Q_PROPERTY(int count READ count WRITE setCount NOTIFY countChanged)
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Q_PROPERTY(int emissionRate READ emissionRate WRITE setEmissionRate NOTIFY emissionRateChanged)
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Q_PROPERTY(qreal emissionVariance READ emissionVariance WRITE setEmissionVariance NOTIFY emissionVarianceChanged)
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Q_PROPERTY(int lifeSpan READ lifeSpan WRITE setLifeSpan NOTIFY lifeSpanChanged)
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Q_PROPERTY(int lifeSpanDeviation READ lifeSpanDeviation WRITE setLifeSpanDeviation NOTIFY lifeSpanDeviationChanged)
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Q_PROPERTY(int fadeInDuration READ fadeInDuration WRITE setFadeInDuration NOTIFY fadeInDurationChanged)
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Q_PROPERTY(int fadeOutDuration READ fadeOutDuration WRITE setFadeOutDuration NOTIFY fadeOutDurationChanged)
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Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
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Q_PROPERTY(qreal angleDeviation READ angleDeviation WRITE setAngleDeviation NOTIFY angleDeviationChanged)
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Q_PROPERTY(qreal velocity READ velocity WRITE setVelocity NOTIFY velocityChanged)
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Q_PROPERTY(qreal velocityDeviation READ velocityDeviation WRITE setVelocityDeviation NOTIFY velocityDeviationChanged)
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Q_PROPERTY(QDeclarativeParticleMotion *motion READ motion WRITE setMotion NOTIFY motionChanged)
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Q_CLASSINFO("DefaultProperty", "motion")
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public:
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QDeclarativeParticles(QDeclarativeItem *parent=0);
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~QDeclarativeParticles();
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QUrl source() const;
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void setSource(const QUrl &);
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int count() const;
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void setCount(int cnt);
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int emissionRate() const;
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void setEmissionRate(int);
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qreal emissionVariance() const;
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void setEmissionVariance(qreal);
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int lifeSpan() const;
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void setLifeSpan(int);
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int lifeSpanDeviation() const;
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void setLifeSpanDeviation(int);
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int fadeInDuration() const;
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void setFadeInDuration(int);
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int fadeOutDuration() const;
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void setFadeOutDuration(int);
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qreal angle() const;
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void setAngle(qreal);
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qreal angleDeviation() const;
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void setAngleDeviation(qreal);
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qreal velocity() const;
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void setVelocity(qreal);
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qreal velocityDeviation() const;
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void setVelocityDeviation(qreal);
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QDeclarativeParticleMotion *motion() const;
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void setMotion(QDeclarativeParticleMotion *);
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void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
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public Q_SLOTS:
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void burst(int count, int emissionRate=-1);
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protected:
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virtual void componentComplete();
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Q_SIGNALS:
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void sourceChanged();
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void countChanged();
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void emissionRateChanged();
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void emissionVarianceChanged();
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void lifeSpanChanged();
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void lifeSpanDeviationChanged();
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void fadeInDurationChanged();
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void fadeOutDurationChanged();
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void angleChanged();
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void angleDeviationChanged();
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void velocityChanged();
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void velocityDeviationChanged();
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void emittingChanged();
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void motionChanged();
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private Q_SLOTS:
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void imageLoaded();
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private:
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Q_DISABLE_COPY(QDeclarativeParticles)
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Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativeParticles)
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};
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QT_END_NAMESPACE
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QML_DECLARE_TYPE(QDeclarativeParticleMotion)
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QML_DECLARE_TYPE(QDeclarativeParticleMotionLinear)
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QML_DECLARE_TYPE(QDeclarativeParticleMotionGravity)
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QML_DECLARE_TYPE(QDeclarativeParticleMotionWander)
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QML_DECLARE_TYPE(QDeclarativeParticles)
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QT_END_HEADER
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#endif
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