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bubble.h

/****************************************************************************
**
** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes 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://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** 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 BUBBLE_H
#define BUBBLE_H

#include <QBrush>
#include <QColor>
#include <QPointF>
#include <QRect>
#include <QRectF>

class QPainter;

class Bubble
{
public:
    Bubble(const QPointF &position, qreal radius, const QPointF &velocity);

    void drawBubble(QPainter *painter);
    void updateBrush();
    void move(const QRect &bbox);
    QRectF rect();

private:
    QColor randomColor();

    QBrush brush;
    QPointF position;
    QPointF vel;
    qreal radius;
    QColor innerColor;
    QColor outerColor;
};

#endif

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