/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef POINTVECTOR_H
#define POINTVECTOR_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qquickdirection_p.h"

QT_BEGIN_NAMESPACE

class QQuickPointDirection : public QQuickDirection
{
    Q_OBJECT
    Q_PROPERTY(qreal x READ x WRITE setX NOTIFY xChanged)
    Q_PROPERTY(qreal y READ y WRITE setY NOTIFY yChanged)
    Q_PROPERTY(qreal xVariation READ xVariation WRITE setXVariation NOTIFY xVariationChanged)
    Q_PROPERTY(qreal yVariation READ yVariation WRITE setYVariation NOTIFY yVariationChanged)
    QML_NAMED_ELEMENT(PointDirection)
public:
    explicit QQuickPointDirection(QObject *parent = 0);
    QPointF sample(const QPointF &from) override;
    qreal x() const
    {
        return m_x;
    }

    qreal y() const
    {
        return m_y;
    }

    qreal xVariation() const
    {
        return m_xVariation;
    }

    qreal yVariation() const
    {
        return m_yVariation;
    }

Q_SIGNALS:

    void xChanged(qreal arg);

    void yChanged(qreal arg);

    void xVariationChanged(qreal arg);

    void yVariationChanged(qreal arg);

public Q_SLOTS:
    void setX(qreal arg)
    {
        if (m_x != arg) {
            m_x = arg;
            Q_EMIT xChanged(arg);
        }
    }

    void setY(qreal arg)
    {
        if (m_y != arg) {
            m_y = arg;
            Q_EMIT yChanged(arg);
        }
    }

    void setXVariation(qreal arg)
    {
        if (m_xVariation != arg) {
            m_xVariation = arg;
            Q_EMIT xVariationChanged(arg);
        }
    }

    void setYVariation(qreal arg)
    {
        if (m_yVariation != arg) {
            m_yVariation = arg;
            Q_EMIT yVariationChanged(arg);
        }
    }

private:

    qreal m_x;
    qreal m_y;
    qreal m_xVariation;
    qreal m_yVariation;
};

QT_END_NAMESPACE
#endif // POINTVECTOR_H