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# bubble.h Example File
opengl/overpainting/bubble.h

    /****************************************************************************
    **
    ** Copyright (C) 2006-2006 Trolltech ASA. All rights reserved.
    **
    ** This file is part of the example classes of the Qt Toolkit.
    **
    ** Licensees holding valid Qt Preview licenses may use this file in
    ** accordance with the Qt Preview License Agreement provided with the
    ** Software.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    ** information about Qt Commercial License Agreements.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    ** 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

    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