From a129444bb0156c936900dbd2f12bd9f427ff366c Mon Sep 17 00:00:00 2001 From: Qt by Nokia Date: Wed, 27 Apr 2011 14:13:26 +0200 Subject: Initial import from qtquick2. Branched from the monolithic repo, Qt qtquick2 branch, at commit a4a585d2ee907746682846ae6e8a48e19deef469 --- src/imports/particles/V1/qdeclarativeparticles_p.h | 258 +++++++++++++++++++++ 1 file changed, 258 insertions(+) create mode 100644 src/imports/particles/V1/qdeclarativeparticles_p.h (limited to 'src/imports/particles/V1/qdeclarativeparticles_p.h') diff --git a/src/imports/particles/V1/qdeclarativeparticles_p.h b/src/imports/particles/V1/qdeclarativeparticles_p.h new file mode 100644 index 0000000000..4ffdbbab9e --- /dev/null +++ b/src/imports/particles/V1/qdeclarativeparticles_p.h @@ -0,0 +1,258 @@ +/**************************************************************************** +** +** 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 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 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 QDECLARATIVEPARTICLES_H +#define QDECLARATIVEPARTICLES_H + +#include + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +class QDeclarativeParticle; +class QDeclarativeParticles; +class QDeclarativeParticleMotion : public QObject +{ + Q_OBJECT +public: + QDeclarativeParticleMotion(QObject *parent=0); + + virtual void advance(QDeclarativeParticle &, int interval); + virtual void created(QDeclarativeParticle &); + virtual void destroy(QDeclarativeParticle &); +}; + +class QDeclarativeParticleMotionLinear : public QDeclarativeParticleMotion +{ + Q_OBJECT +public: + QDeclarativeParticleMotionLinear(QObject *parent=0) + : QDeclarativeParticleMotion(parent) {} + + virtual void advance(QDeclarativeParticle &, int interval); +}; + +class QDeclarativeParticleMotionGravity : public QDeclarativeParticleMotion +{ + Q_OBJECT + + Q_PROPERTY(qreal xattractor READ xAttractor WRITE setXAttractor NOTIFY xattractorChanged) + Q_PROPERTY(qreal yattractor READ yAttractor WRITE setYAttractor NOTIFY yattractorChanged) + Q_PROPERTY(qreal acceleration READ acceleration WRITE setAcceleration NOTIFY accelerationChanged) +public: + QDeclarativeParticleMotionGravity(QObject *parent=0) + : QDeclarativeParticleMotion(parent), _xAttr(0.0), _yAttr(0.0), _accel(0.00005) {} + + qreal xAttractor() const { return _xAttr; } + void setXAttractor(qreal x); + + qreal yAttractor() const { return _yAttr; } + void setYAttractor(qreal y); + + qreal acceleration() const { return _accel * 1000000; } + void setAcceleration(qreal accel); + + virtual void advance(QDeclarativeParticle &, int interval); + +Q_SIGNALS: + void xattractorChanged(); + void yattractorChanged(); + void accelerationChanged(); + +private: + qreal _xAttr; + qreal _yAttr; + qreal _accel; +}; + +class QDeclarativeParticleMotionWander : public QDeclarativeParticleMotion +{ + Q_OBJECT +public: + QDeclarativeParticleMotionWander() + : QDeclarativeParticleMotion(), particles(0), _xvariance(0), _yvariance(0), _pace(100) {} + + virtual void advance(QDeclarativeParticle &, int interval); + virtual void created(QDeclarativeParticle &); + virtual void destroy(QDeclarativeParticle &); + + struct Data { + qreal x_targetV; + qreal y_targetV; + qreal x_peak; + qreal y_peak; + qreal x_var; + qreal y_var; + }; + + Q_PROPERTY(qreal xvariance READ xVariance WRITE setXVariance NOTIFY xvarianceChanged) + qreal xVariance() const { return _xvariance * 1000.0; } + void setXVariance(qreal var); + + Q_PROPERTY(qreal yvariance READ yVariance WRITE setYVariance NOTIFY yvarianceChanged) + qreal yVariance() const { return _yvariance * 1000.0; } + void setYVariance(qreal var); + + Q_PROPERTY(qreal pace READ pace WRITE setPace NOTIFY paceChanged) + qreal pace() const { return _pace * 1000.0; } + void setPace(qreal pace); + +Q_SIGNALS: + void xvarianceChanged(); + void yvarianceChanged(); + void paceChanged(); + +private: + QDeclarativeParticles *particles; + qreal _xvariance; + qreal _yvariance; + qreal _pace; +}; + +class QDeclarativeParticlesPrivate; +class QDeclarativeParticles : public QDeclarativeItem +{ + Q_OBJECT + + Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged) + Q_PROPERTY(int count READ count WRITE setCount NOTIFY countChanged) + Q_PROPERTY(int emissionRate READ emissionRate WRITE setEmissionRate NOTIFY emissionRateChanged) + Q_PROPERTY(qreal emissionVariance READ emissionVariance WRITE setEmissionVariance NOTIFY emissionVarianceChanged) + Q_PROPERTY(int lifeSpan READ lifeSpan WRITE setLifeSpan NOTIFY lifeSpanChanged) + Q_PROPERTY(int lifeSpanDeviation READ lifeSpanDeviation WRITE setLifeSpanDeviation NOTIFY lifeSpanDeviationChanged) + Q_PROPERTY(int fadeInDuration READ fadeInDuration WRITE setFadeInDuration NOTIFY fadeInDurationChanged) + Q_PROPERTY(int fadeOutDuration READ fadeOutDuration WRITE setFadeOutDuration NOTIFY fadeOutDurationChanged) + Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged) + Q_PROPERTY(qreal angleDeviation READ angleDeviation WRITE setAngleDeviation NOTIFY angleDeviationChanged) + Q_PROPERTY(qreal velocity READ velocity WRITE setVelocity NOTIFY velocityChanged) + Q_PROPERTY(qreal velocityDeviation READ velocityDeviation WRITE setVelocityDeviation NOTIFY velocityDeviationChanged) + Q_PROPERTY(QDeclarativeParticleMotion *motion READ motion WRITE setMotion NOTIFY motionChanged) + Q_CLASSINFO("DefaultProperty", "motion") + +public: + QDeclarativeParticles(QDeclarativeItem *parent=0); + ~QDeclarativeParticles(); + + QUrl source() const; + void setSource(const QUrl &); + + int count() const; + void setCount(int cnt); + + int emissionRate() const; + void setEmissionRate(int); + + qreal emissionVariance() const; + void setEmissionVariance(qreal); + + 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); + + QDeclarativeParticleMotion *motion() const; + void setMotion(QDeclarativeParticleMotion *); + + void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *); + +public Q_SLOTS: + void burst(int count, int emissionRate=-1); + +protected: + virtual void componentComplete(); + +Q_SIGNALS: + void sourceChanged(); + void countChanged(); + void emissionRateChanged(); + void emissionVarianceChanged(); + void lifeSpanChanged(); + void lifeSpanDeviationChanged(); + void fadeInDurationChanged(); + void fadeOutDurationChanged(); + void angleChanged(); + void angleDeviationChanged(); + void velocityChanged(); + void velocityDeviationChanged(); + void emittingChanged(); + void motionChanged(); + +private Q_SLOTS: + void imageLoaded(); + +private: + Q_DISABLE_COPY(QDeclarativeParticles) + Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativeParticles) +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QDeclarativeParticleMotion) +QML_DECLARE_TYPE(QDeclarativeParticleMotionLinear) +QML_DECLARE_TYPE(QDeclarativeParticleMotionGravity) +QML_DECLARE_TYPE(QDeclarativeParticleMotionWander) +QML_DECLARE_TYPE(QDeclarativeParticles) + +QT_END_HEADER + +#endif -- cgit v1.2.3