qfi_ASI.h

/****************************************************************************//*
 * Copyright (C) 2021 Marek M. Cel
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 ******************************************************************************/
#ifndef QFI_ASI_H
#define QFI_ASI_H
 
 
#include <QGraphicsView>
#include <QGraphicsSvgItem>
 
 
class qfi_ASI : public QGraphicsView
{
    Q_OBJECT
 
public:
 
    qfi_ASI( QWidget *parent = Q_NULLPTR );
 
    virtual ~qfi_ASI();
 
    void reinit();
 
    void redraw();
 
    void setAirspeed( double airspeed );
 
protected:
 
    void resizeEvent( QResizeEvent *event );
 
private:
 
    QGraphicsScene *_scene;
 
    QGraphicsSvgItem *_itemFace;
    QGraphicsSvgItem *_itemHand;
    QGraphicsSvgItem *_itemCase;
 
    double _airspeed;
 
    double _scaleX;
    double _scaleY;
 
    const int _originalHeight;
    const int _originalWidth;
 
    QPointF _originalAsiCtr;
 
    const int _faceZ;
    const int _handZ;
    const int _caseZ;
 
    void init();
 
    void reset();
 
    void updateView();
};
 
 
#endif // QFI_ASI_H