/***************************************************************************
         LogoWidget.h  -  widget with the animated Kwave logo
                             -------------------
    begin                : Sun Oct 29 2000
    copyright            : (C) 2000 by Thomas Eschenbacher
    email                : Thomas.Eschenbacher@gmx.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef LOGO_WIDGET_H
#define LOGO_WIDGET_H

#include "config.h"

#include <QPixmap>
#include <QWidget>

class QPaintEvent;
class QImage;
class QTimer;

/** number of sine waves */
#define MAXSIN 5

namespace Kwave
{
    class LogoWidget: public QWidget
    {
	Q_OBJECT

    public:
	/** Constructor */
	explicit LogoWidget(QWidget *parent);

	/** Destructor */
	virtual ~LogoWidget();

    public slots:
	/** animates the next step of the logo */
	void doAnim();

    protected:
	/** repaints */
	void paintEvent(QPaintEvent *);

    private:
	/** width of the widget */
	int m_width;

	/** height of the widget */
	int m_height;

	/** set to true for repaint */
	bool m_repaint;

	/** phase of sinus for animation */
	double m_deg[MAXSIN];

	/** QImage for drawing */
	QImage *m_image;

	/** image with the logo */
	QPixmap m_logo;

	/** timer for refresh */
	QTimer *m_timer;

	/** "H" channel of the sine wave color */
	double m_color_h;
    };
}

#endif  /* LOGO_WIDGET_H */

//***************************************************************************
//***************************************************************************
