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

    source::worx raDIYo
    Copyright © 2020-2022 c.holzheuer
    chris@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>

#include <swdialwidget.h>
#include <swrangevalue.h>


/**
 * @brief Simuliert die 'Klappzahl'-Darstellung einer Ziffer.
 */

class SWFlipDigit : public QWidget, public SWDialWidget, public SWRangeValue
{

    Q_OBJECT

public:

    enum FlipMode
    {
        Slide,
        Flip,
        Rotate
    };

    explicit SWFlipDigit(QWidget *parent = nullptr);
    virtual ~SWFlipDigit();

    void setTransition( FlipMode tr );
    FlipMode transition() const;

    void onDialDeltaChanged( int delta ) override;

public slots:

    virtual void setValue( int n ) override;
    void flipTo( int n );

protected:

    const char*  SWDEFAULTFONT = "Grado Gradoo Nf";
    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;
    virtual void paintEvent( QPaintEvent* event ) override;

    void paintStatic();
    void paintSlide();
    void paintFlip();
    void paintRotate();

    //const int SWPADWIDTH = 0;//1;//15;

    double    _scaleFactor = SWSCALEFACTOR;
    double    _fontScale   = SWFONTSCALE;

    QString   _fontFamily;
    FlipMode  _transition;
    QPixmap   _pixmap;
    QPixmap   _lastPixmap;
    QTimeLine _animator;


};




#endif // SWFLIPDIGIT_H