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Diffstat (limited to 'src/quick/particles/qquickellipseextruder.cpp')
-rw-r--r-- | src/quick/particles/qquickellipseextruder.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/quick/particles/qquickellipseextruder.cpp b/src/quick/particles/qquickellipseextruder.cpp new file mode 100644 index 0000000000..479bbb4aa7 --- /dev/null +++ b/src/quick/particles/qquickellipseextruder.cpp @@ -0,0 +1,80 @@ +/**************************************************************************** +** +** 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 Declarative 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. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickellipseextruder_p.h" +#include <cmath> +QT_BEGIN_NAMESPACE +/*! + \qmlclass EllipseShape QQuickEllipseExtruder + \inqmlmodule QtQuick.Particles 2 + \inherits Shape + \brief The EllipseShape represents an ellipse to other particle system elements + + This shape can be used by Emitter subclasses and Affector subclasses to have + them act upon an ellipse shaped area. +*/ +QQuickEllipseExtruder::QQuickEllipseExtruder(QObject *parent) : + QQuickParticleExtruder(parent) + , m_fill(true) +{ +} + +/*! + \qmlproperty bool QtQuick.Particles2::EllipseShape::fill + If fill is true the ellipse is filled; otherwise it is just a border. + + Default is true. +*/ + +QPointF QQuickEllipseExtruder::extrude(const QRectF & r) +{ + qreal theta = ((qreal)rand()/RAND_MAX) * 6.2831853071795862; + qreal mag = m_fill ? ((qreal)rand()/RAND_MAX) : 1; + return QPointF(r.x() + r.width()/2 + mag * (r.width()/2) * cos(theta), + r.y() + r.height()/2 + mag * (r.height()/2) * sin(theta)); +} + +bool QQuickEllipseExtruder::contains(const QRectF &bounds, const QPointF &point) +{ + return bounds.contains(point);//TODO: Ellipse +} + +QT_END_NAMESPACE |