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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qquickcumulativedirection_p.h"
QT_BEGIN_NAMESPACE

/*!
    \qmltype CumulativeDirection
    \instantiates QQuickCumulativeDirection
    \inqmlmodule QtQuick.Particles
    \inherits Direction
    \brief For specifying a direction made of other directions
    \ingroup qtquick-particles

    The CumulativeDirection element will act as a direction that sums the directions within it.
*/
QQuickCumulativeDirection::QQuickCumulativeDirection(QObject *parent):QQuickDirection(parent)
{
}

QQmlListProperty<QQuickDirection> QQuickCumulativeDirection::directions()
{
    return QQmlListProperty<QQuickDirection>(this, m_directions);//TODO: Proper list property
}

const QPointF QQuickCumulativeDirection::sample(const QPointF &from)
{
    QPointF ret;
    foreach (QQuickDirection* dir, m_directions)
        ret += dir->sample(from);
    return ret;
}

QT_END_NAMESPACE