#ifndef ROICIRCLE_H
#define ROICIRCLE_H
#include "HalconCpp.h"
#include "ROI.h"
#include <QDataStream>
#include "showunit_global.h"
class ROI;
class SHOWUNITSHARED_EXPORT ROICircle:public ROI
{
    Q_OBJECT
    public:
        ROICircle();
        void createROI(double midX, double midY) override;
        void drawROI(HTuple winID, double scaleFactor)  override;
        double distToClosestHandle(double x, double y) override;
        void displayActive(HTuple winID, double scaleFactor) override;
        void moveByHandle(double newX, double newY) override;
        QCursor showByHandle() override;
        HRegion getRegion() override;
        HTuple getROIData() override;
        void setROIData(HTuple) override;
        void save(QDataStream &dataStream) override;
        void load(QDataStream &dataStream)override;

    private:
        double radius;     //半径
        double row1, col1;  // 圆上的点
        double midR, midC;  // 圆心
};

#endif // ROICIRCLE_H