/****************************************************************************
**
** 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 demonstration applications 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.
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** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef GUIDE_H
#define GUIDE_H

#include "demoitem.h"

class Guide
{
public:
    Guide(Guide *follows = 0);
    virtual ~Guide();

    virtual void guide(DemoItem *item, float moveSpeed) = 0;
    void move(DemoItem *item, QPointF &dest, float moveSpeed);
    virtual QPointF startPos(){ return QPointF(0, 0); };
    virtual QPointF endPos(){ return QPointF(0, 0); };
    virtual float length(){ return 1; };
    float lengthAll();

    void setScale(float scaleX, float scaleY, bool all = true);
    void setFence(const QRectF &fence, bool all = true);

    int startLength;
    Guide *nextGuide;
    Guide *firstGuide;
    Guide *prevGuide;
    float scaleX;
    float scaleY;
    QRectF fence;
};

#endif // GUIDE_H