1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86
|
/***************************************************************************
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 */
~LogoWidget() override;
public slots:
/** animates the next step of the logo */
void doAnim();
protected:
/** repaints */
void paintEvent(QPaintEvent *) override;
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 */
float m_color_h;
};
}
#endif /* LOGO_WIDGET_H */
//***************************************************************************
//***************************************************************************
|