/**************************************************************************** ** ** 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 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 QString propertyInfo() const; void paintContents(QPainter &p); protected: virtual void componentComplete(); QFxParticles(QFxParticlesPrivate &dd, QFxItem *parent); private Q_SLOTS: void imageLoaded(); private: Q_DISABLE_COPY(QFxParticles) Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr, 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