#pragma once
#include <QWidget>
#include <QPainter>
#include <QDebug>
#include "lp_defect_node.h"

class LP_QT_UTILS_EXPORT lpRuler : public QWidget
{
    Q_OBJECT
public:
    enum RulerType { Horizontal, Vertical };
    Q_ENUMS(RulerType)

    lpRuler(lpRuler::RulerType rulerType, int breadth = 80, QWidget* parent = 0);
    QSize minimumSizeHint() const;

    void setRulerDescription(const QString& description);
    void setRulerOriginValue(float ori_val);
public slots:
    void onSetOrigin(const qreal x, const qreal y);
    void onSetRulerZoom(const qreal rulerZoom);

protected:
    void paintEvent(QPaintEvent* event);

private:
    void drawScaleMeter(QPainter* painter, QRectF rulerRect,
        qreal scaleMeter, qreal startPositoin);

    void drawFromOriginTo(QPainter* painter, QRectF rulerRect,
        qreal startMark, qreal endMark, qreal startTickNo,
        qreal step, qreal startPosition);
private:
    RulerType ruler_type_;
    qreal origin_{ 0.0 };
    qreal ruler_zoom_{ 1.0 };
    bool draw_text_{ false };

    qreal start_pos_small_{ 0.0 };
    qreal start_pos_large_{ 0.0 };

    int breadth_;
    QString description_;
    float origin_val_{ 0.0 };
};