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guidecircle.h

/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 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
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#ifndef GUIDECIRCLE_H
#define GUIDECIRCLE_H

#include "guide.h"
#include "demoitem.h"

class GuideCircle : public Guide
{
public:
    enum DIRECTION {CW = 1, CCW = -1};

    GuideCircle(const QRectF &rect, float startAngle = 0, float span = 360, DIRECTION dir = CCW, Guide *follows = 0);

    void guide(DemoItem *item, float moveSpeed); // overridden
    QPointF startPos();
    QPointF endPos();
    float length();

private:
    float posX;
    float posY;
    float radiusX;
    float radiusY;
    float startAngleRad;
    float endAngleRad;
    float spanRad;
    float stepAngleRad;
};

#endif // GUIDECIRCLE_H


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