RCircleData.h

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#ifndef RCIRCLEDATA_H
#define RCIRCLEDATA_H

#include "RBox.h"
#include "RDocument.h"
#include "REntity.h"
#include "RPoint.h"
#include "RVector.h"
#include "RCircle.h"

class RCircleData: public REntityData, protected RCircle {

    friend class RCircleEntity;

protected:
    RCircleData(RDocument* document, const RCircleData& data);

public:
    RCircleData();
    RCircleData(const RCircle& circle);
    RCircleData(const RVector& center, double radius);

    RCircle getCircle() {
        return *this;
    }

    RVector getCenter() const {
        return RCircle::getCenter();
    }
    double getRadius() const {
        return RCircle::getRadius();
    }

    virtual QList<RVector> getReferencePoints(
        RS::ProjectionRenderingHint hint = RS::RenderTop) const;
    virtual bool moveReferencePoint(const RVector& referencePoint, 
        const RVector& targetPoint);

    virtual RShape* castToShape() {
        return this;
    }

    virtual QList<QSharedPointer<RShape> > getShapes(const RBox& queryBox = RDEFAULT_RBOX) const {
        Q_UNUSED(queryBox)

        return QList<QSharedPointer<RShape> >() <<
                QSharedPointer<RShape>(new RCircle(*this));
    }

};

Q_DECLARE_METATYPE(RCircleData*)
Q_DECLARE_METATYPE(QSharedPointer<RCircleData>)

#endif