#ifndef ROICONTROLLER_H
#define ROICONTROLLER_H
#include "showunit_global.h"
#include <QObject>
#include "ROI.h"
#include<QList>
#include "QHalconWindow.h"
using namespace  HalconCpp;

enum class SHOWUNITSHARED_EXPORT ViewMessage
{
    UpdateROI = 50,

    ChangedROISign,
    MovingROI,
    DeletedActROI,
    DelectedAllROIs,
    ActivatedROI,

    MouseMove,
    CreatedROI,
    UpdateImage,
    ErrReadingImage,
    ErrDefiningGC
};

class QHalconWindow;
class SHOWUNITSHARED_EXPORT  ROIController: public QObject
{
    Q_OBJECT
    public:
        ROIController();
        ~ROIController();
        QList<ROI*> ROIList;
        void setViewController(QHalconWindow * view);
        HRegion getModelRegion(){ return modelROI; }
        ROI* getActiveROI();
        int getActiveROIidx(){ return activeROIidx; }
        int getDelROIIdx() { return deletedIdx; }
        void setROIShape(ROI *r);
        void setROIShapeNoOperator(ROI *r);
        void setROISign(ROIOperation  mode);
        void setActiveROIidx(const int &index);
        void removeActive();
        bool defineModelROI();
        void reset();
        void paintData(const HTuple &winID, int handleWidth, double zoomWndFactor);
        int mouseDownAction(const double &imgX, const double &imgY);
        void mouseMoveAction(const double &newX, const double &newY);
        void tiggerROINotifySignals(const ViewMessage &sign);

        QCursor GetCursor();

		void save(QDataStream& ar);
		void load(QDataStream& ar);


    signals:
        void ROIChange(const ViewMessage &sign);
    private:
        ROI *roiSeed;
        HRegion modelROI;

        ROIOperation stateROIOperation = ROIOperation::Positive;
        double currX, currY;
        int activeROIidx;
        int deletedIdx;

        HTuple activeCol = "green";
        HTuple activeHdlCol = "red";
        HTuple inactiveCol = "yellow";
        HTuple serachRegionCol = "blue";

        QHalconWindow *viewController;

};
 Q_DECLARE_METATYPE(ViewMessage)
#endif // ROICONTROLLER_H