/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the demonstration applications of the Qt Toolkit.

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** No Commercial Usage

** This file contains pre-release code and may not be distributed.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** 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

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****************************************************************************/

#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