/******************************************************************************** Copyright (C) 2010 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.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** 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 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.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#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