#ifndef ROI_H
#define ROI_H

#include "showunit_global.h"
#include <QDataStream>
#include "HalconCpp.h"
#include <QCursor>
#include<QObject>
#include <QDebug>
using namespace HalconCpp;

enum class SHOWUNITSHARED_EXPORT ROIType
{
    Line = 10, Circle, CircleArc, Rectangle1, Rectangle2, Rect2, Point
};
enum class SHOWUNITSHARED_EXPORT ROIOperation
{
    Positive = 21, Negative, None,
};
class SHOWUNITSHARED_EXPORT ROI:public QObject
{
    Q_OBJECT

    public:
        ROI();
        ROIType getType(void) { return roiType; }
        ROIOperation getOperatorFlag(void) { return operatorFlag; }
        void setOperatorFlag(ROIOperation flag);
        void setTitle(QString tiale);
        void setHandleWidth(int width);
        virtual void createROI(double midX, double midY)=0;
        virtual void drawROI(HTuple winID, double scaleFactor)=0;
        virtual double distToClosestHandle(double x, double y)=0;
        virtual void displayActive(HTuple winID, double scaleFactor)=0;
        virtual void moveByHandle(double newX, double newY)=0;
        virtual QCursor showByHandle()=0;
        virtual HRegion getRegion()=0;
        virtual HTuple getROIData()=0;
        virtual void setROIData(HTuple) =0;
        virtual void save(QDataStream &dataStream);
        virtual void load(QDataStream &dataStream);

        int getNumHandles(){ return numHandles; }
        int getActHandleIdx() { return activeHandleIdx; }
        HTuple  getFlagLineStyle(){ return flagLineStyle; }
        QString getTitle() { return m_strTitle; }

        SHOWUNITSHARED_EXPORT	friend QDataStream & operator << (QDataStream &dataStream, ROI &roi);
        SHOWUNITSHARED_EXPORT	friend QDataStream & operator >> (QDataStream &dataStream, ROI **roi);
    protected:
        int   numHandles;
        int	activeHandleIdx;
        int handleWidth=10;
        ROIType roiType;
        ROIOperation operatorFlag;
        QString m_strTitle;
        HTuple  flagLineStyle;
};

#endif // ROI_H