diff options
author | Matthew Vogt <matthew.vogt@nokia.com> | 2012-04-11 16:54:33 +1000 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-04-16 01:25:54 +0200 |
commit | f189b8934dc405cbd45258abc5aba2713428b1cc (patch) | |
tree | dd3d4f61c7337343705faf7a603585c287b8ae50 /src/particles/qquicktrailemitter_p.h | |
parent | e00c40a89a1172add896e86e805a7cd42a4ea0c5 (diff) |
Extract Particles code to an independent library
QtQuick clients that do not use particles features should not have
to load these classes.
Task-number: QTBUG-25178
Change-Id: Ib15f7655dc4d821595e06f9160d2770375279027
Reviewed-by: Glenn Watson <glenn.watson@nokia.com>
Diffstat (limited to 'src/particles/qquicktrailemitter_p.h')
-rw-r--r-- | src/particles/qquicktrailemitter_p.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/particles/qquicktrailemitter_p.h b/src/particles/qquicktrailemitter_p.h new file mode 100644 index 0000000000..0b63a444ec --- /dev/null +++ b/src/particles/qquicktrailemitter_p.h @@ -0,0 +1,168 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQuick module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef FOLLOWEMITTER_H +#define FOLLOWEMITTER_H +#include "qquickparticleemitter_p.h" +#include "qquickparticleaffector_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QQuickTrailEmitter : public QQuickParticleEmitter +{ + Q_OBJECT + Q_PROPERTY(QString follow READ follow WRITE setFollow NOTIFY followChanged) + Q_PROPERTY(int emitRatePerParticle READ particlesPerParticlePerSecond WRITE setParticlesPerParticlePerSecond NOTIFY particlesPerParticlePerSecondChanged) + + Q_PROPERTY(QQuickParticleExtruder* emitShape READ emissonShape WRITE setEmissionShape NOTIFY emissionShapeChanged) + Q_PROPERTY(qreal emitHeight READ emitterYVariation WRITE setEmitterYVariation NOTIFY emitterYVariationChanged) + Q_PROPERTY(qreal emitWidth READ emitterXVariation WRITE setEmitterXVariation NOTIFY emitterXVariationChanged) + + Q_ENUMS(EmitSize) +public: + enum EmitSize { + ParticleSize = -2//Anything less than 0 will do + }; + explicit QQuickTrailEmitter(QQuickItem *parent = 0); + virtual void emitWindow(int timeStamp); + virtual void reset(); + + int particlesPerParticlePerSecond() const + { + return m_particlesPerParticlePerSecond; + } + + qreal emitterXVariation() const + { + return m_emitterXVariation; + } + + qreal emitterYVariation() const + { + return m_emitterYVariation; + } + + QString follow() const + { + return m_follow; + } + + QQuickParticleExtruder* emissonShape() const + { + return m_emissionExtruder; + } + +signals: + void emitFollowParticles(QQmlV8Handle particles, QQmlV8Handle followed); + + void particlesPerParticlePerSecondChanged(int arg); + + void emitterXVariationChanged(qreal arg); + + void emitterYVariationChanged(qreal arg); + + void followChanged(QString arg); + + void emissionShapeChanged(QQuickParticleExtruder* arg); + +public slots: + + void setParticlesPerParticlePerSecond(int arg) + { + if (m_particlesPerParticlePerSecond != arg) { + m_particlesPerParticlePerSecond = arg; + emit particlesPerParticlePerSecondChanged(arg); + } + } + void setEmitterXVariation(qreal arg) + { + if (m_emitterXVariation != arg) { + m_emitterXVariation = arg; + emit emitterXVariationChanged(arg); + } + } + + void setEmitterYVariation(qreal arg) + { + if (m_emitterYVariation != arg) { + m_emitterYVariation = arg; + emit emitterYVariationChanged(arg); + } + } + + void setFollow(QString arg) + { + if (m_follow != arg) { + m_follow = arg; + emit followChanged(arg); + } + } + + void setEmissionShape(QQuickParticleExtruder* arg) + { + if (m_emissionExtruder != arg) { + m_emissionExtruder = arg; + emit emissionShapeChanged(arg); + } + } + +private slots: + void recalcParticlesPerSecond(); + +private: + QSet<QQuickParticleData*> m_pending; + QVector<qreal> m_lastEmission; + int m_particlesPerParticlePerSecond; + qreal m_lastTimeStamp; + qreal m_emitterXVariation; + qreal m_emitterYVariation; + QString m_follow; + int m_followCount; + QQuickParticleExtruder* m_emissionExtruder; + QQuickParticleExtruder* m_defaultEmissionExtruder; + bool isEmitFollowConnected(); +}; + +QT_END_NAMESPACE +QT_END_HEADER +#endif // FOLLOWEMITTER_H |