/*
 * JD 12/9/2022
*/
#ifndef GAUGE_H
#define GAUGE_H

#include <QWidget>
#include <QPainter>
#include <QString>
#include <QPixmap>
#include <QTransform>
#include <QPixmap>
#include <QFontMetrics>

#define DEFUALT_IMAGE_ANGLE 90

class Gauge : public QWidget
{
    Q_OBJECT
public:
    explicit Gauge(QWidget *parent = nullptr);
    void paintEvent(QPaintEvent *);

signals:

public slots:
    void setNeedleImage(QPixmap p) {m_needle = p; update();}
    void setNeedleImage(QString path);
    //void obtainLength();
    void setOrigin(int x,int y);
    void setOrigin(QPoint o);
    void setHorizontalOffset(int o) {m_needle_horizontal_offset = o; update();}
    void setStartAngle(qreal a);
    void setEndAngle(qreal a);
    void setGaugePercentage(qreal p) {m_gauge_percentage = p; update();}


protected:

private:
    //double m_needle_length;
    double m_gauge_percentage;
    int m_needle_horizontal_offset; //Use if needle isn't centered within the image.
    QPoint m_needle_origin;
    QPoint m_draw_point;
    QPixmap m_needle;
    qreal m_start_angle;
    qreal m_end_angle;
};

#endif // GAUGE_H