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📄 guide.h

📁 奇趣公司比较新的qt/emd版本
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/******************************************************************************** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.**** This file is part of the demonstration applications of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 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 GNU** General Public Licensing requirements will be met:** http://trolltech.com/products/qt/licenses/licensing/opensource/**** If you are unsure which license is appropriate for your use, please** review the following information:** http://trolltech.com/products/qt/licenses/licensing/licensingoverview** or contact the sales department at sales@trolltech.com.**** In addition, as a special exception, Trolltech gives you certain** additional rights. These rights are described in the Trolltech GPL** Exception version 1.0, which can be found at** http://www.trolltech.com/products/qt/gplexception/ and in the file** GPL_EXCEPTION.txt in this package.**** In addition, as a special exception, Trolltech, as the sole copyright** holder for Qt Designer, grants users of the Qt/Eclipse Integration** plug-in the right for the Qt/Eclipse Integration to link to** functionality provided by Qt Designer and its related libraries.**** Trolltech reserves all rights not expressly granted herein.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#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

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