RLeaderData.h

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#ifndef RLEADERDATA_H
#define RLEADERDATA_H

#include "RDocument.h"
#include "RDimLinearData.h"
#include "RVector.h"
#include "RPolyline.h"

class RLeaderData: public REntityData, protected RPolyline {
    friend class RLeaderEntity;

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

public:
    RLeaderData();
    RLeaderData(const RPolyline& polyline, bool arrowHead);

    virtual RShape* castToShape() {
        return this;
    }

    double getDimasz() const;

    void setArrowHead(bool on) {
        arrowHead = on;
    }

    bool hasArrowHead() const {
        return arrowHead;
    }

    RVector getEndPoint() const {
        return RPolyline::getEndPoint();
    }

    RVector getStartPoint() const {
        return RPolyline::getStartPoint();
    }

    void appendVertex(const RVector& vertex) {
        RPolyline::appendVertex(vertex);
    }

    virtual QList<RVector> getReferencePoints(
        RS::ProjectionRenderingHint hint = RS::RenderTop) const;

    virtual bool moveReferencePoint(const RVector& referencePoint, 
        const RVector& targetPoint);

    QList<QSharedPointer<RShape> > getExploded() const {
        return RPolyline::getExploded();
    }

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

        return QList<QSharedPointer<RShape> >()
                << QSharedPointer<RShape>(new RPolyline(*this))
                << QSharedPointer<RShape>(new RTriangle(getArrowShape()));
    }

    RTriangle getArrowShape() const;

private:
    bool arrowHead;
};

Q_DECLARE_METATYPE(RLeaderData*)
Q_DECLARE_METATYPE(QSharedPointer<RLeaderData>)

#endif