swflipdigit.h

/***************************************************************************
 
    source::worx raDIYo
    Copyright © 2020-2022 c.holzheuer
    c.holzheuer@sourceworx.org
 
    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.
 
***************************************************************************/
 
/*+
 * contains copy-written material from qt example code:
 * @see shaped clock example
 * @see embedded/flipdigits example
 *
 * **/
 
 
#ifndef SWFLIPDIGIT_H
#define SWFLIPDIGIT_H
 
#include <QWidget>
#include <QTimeLine>
 
class SWFlipDigit : public QWidget
{
 
    Q_OBJECT
 
public:
 
    enum SWFlipMode
    {
        Slide,
        Flip,
        Rotate
    };
 
    explicit SWFlipDigit(QWidget *parent = nullptr);
    virtual ~SWFlipDigit();
 
    void setTransition( SWFlipMode tr );
    SWFlipMode transition() const;
 
    void setRange( int from, int to );
 
public slots:
 
    void setNumber( int n );
    void flipTo( int n );
 
protected:
 
    const double SWSCALEFACTOR = 2.7;
    const double SWFONTSCALE   = 0.85;
 
    void drawFrame( QPainter* p, const QRect& rect );
    QPixmap drawDigits(int n, const QRect &rect);
    void preparePixmap();
 
    void resizeEvent( QResizeEvent* event ) override;
    void paintEvent( QPaintEvent* event ) override;
    void paintStatic();
    void paintSlide();
    void paintFlip();
    void paintRotate();
 
    //const int SWPADWIDTH = 0;//1;//15;
 
    int         _rangeFrom = 0;
    int         _rangeTo   = 99;
    int         _number;  
    SWFlipMode  _transition;
    QPixmap     _pixmap;
    QPixmap     _lastPixmap;
    QTimeLine   _animator;
 
};
 
 
 
 
#endif // SWFLIPDIGIT_H