qfi_EHSI.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_EHSI_H
#define QFI_EHSI_H
 
 
#include <QGraphicsView>
#include <QGraphicsSvgItem>
 
 
class qfi_EHSI : public QGraphicsView
{
    Q_OBJECT
 
public:
 
    enum class CDI
    {
        Off = 0,
        TO,
        FROM
    };
 
    explicit qfi_EHSI( QWidget *parent = Q_NULLPTR );
 
    virtual ~qfi_EHSI();
 
    void reinit();
 
    void redraw();
 
    void setHeading( double heading );
 
    void setCourse( double course );
 
    void setBearing( double bearing, bool visible = false );
 
    void setDeviation( double deviation, CDI cdi = CDI::Off );
 
    void setDistance( double distance, bool visible = false );
 
    void setHeadingSel( double heading );
 
protected:
 
    void resizeEvent( QResizeEvent *event );
 
private:
 
    QGraphicsScene *_scene;             
 
    QGraphicsSvgItem *_itemBack;        
    QGraphicsSvgItem *_itemMask;        
    QGraphicsSvgItem *_itemMark;        
 
    QGraphicsSvgItem *_itemBrgArrow;    
    QGraphicsSvgItem *_itemCrsArrow;    
    QGraphicsSvgItem *_itemDevBar;      
    QGraphicsSvgItem *_itemDevScale;    
    QGraphicsSvgItem *_itemHdgBug;      
    QGraphicsSvgItem *_itemHdgScale;    
    QGraphicsSvgItem *_itemCdiTo;       
    QGraphicsSvgItem *_itemCdiFrom;     
 
    QGraphicsTextItem *_itemCrsText;    
    QGraphicsTextItem *_itemHdgText;    
    QGraphicsTextItem *_itemDmeText;    
 
    double _heading;                    
    double _course;                     
    double _bearing;                    
    double _deviation;                  
    double _distance;                   
 
    double _heading_sel;                
 
    CDI _cdi;                           
 
    bool _bearingVisible;               
    bool _distanceVisible;              
 
    double _devBarDeltaX_new;           
    double _devBarDeltaX_old;           
    double _devBarDeltaY_new;           
    double _devBarDeltaY_old;           
 
    double _scaleX;                     
    double _scaleY;                     
 
    double _originalPixPerDev;          
 
    QPointF _originalNavCtr;            
 
    QPointF _originalCrsTextCtr;        
    QPointF _originalHdgTextCtr;        
    QPointF _originalDmeTextCtr;        
 
    const int _originalHeight;          
    const int _originalWidth;           
 
    const int _backZ;                   
    const int _maskZ;                   
    const int _markZ;                   
 
    const int _brgArrowZ;               
    const int _crsArrowZ;               
    const int _crsTextZ;                
    const int _devBarZ;                 
    const int _devScaleZ;               
    const int _hdgBugZ;                 
    const int _hdgScaleZ;               
    const int _hdgTextZ;                
    const int _dmeTextZ;                
 
    void init();
 
    void reset();
 
    void updateView();
};
 
 
#endif // QFI_EHSI_H