RLine.h

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#ifndef RLINE_H
#define RLINE_H

#include "RDirected.h"
#include "RS.h"
#include "RShape.h"
#include "RVector.h"

class RBox;
class RPolyline;

class RLine: public RShape, public RDirected {
public:
    RLine();
    RLine(const RVector& startPoint, const RVector& endPoint);
    virtual ~RLine();

    virtual RLine* clone() const {
        return new RLine(*this);
    }

    virtual void to2D();

    bool isValid() const;

    virtual RBox getBoundingBox() const;

    virtual QList<RVector> getEndPoints() const;
    virtual QList<RVector> getMiddlePoints() const;
    virtual QList<RVector> getCenterPoints() const;
    virtual QList<RVector> getPointsWithDistanceToEnd(
        double distance, RS::From from = RS::FromAny) const;

    virtual RVector getVectorTo(const RVector& point,
            bool limited = true) const;

    virtual RVector getStartPoint() const;
    void setStartPoint(const RVector& vector);
    virtual RVector getEndPoint() const;
    void setEndPoint(const RVector& vector);

    RVector getMiddlePoint() const;
    
    double getLength() const;
    double getAngle() const;

    void setLength(double l);
    void setAngle(double a);

    virtual double getDirection1() const;
    virtual double getDirection2() const;

    RS::Side getSideOfPoint(const RVector& point) const;

    void clipToXY(const RBox& box);

    virtual bool move(const RVector& offset);
    virtual bool rotate(double rotation, const RVector& center = RDEFAULT_RVECTOR);
    virtual bool scale(const RVector& scaleFactors, const RVector& center = RDEFAULT_RVECTOR);
    virtual bool mirror(const RLine& axis);
    virtual bool flipHorizontal();
    virtual bool flipVertical();
    virtual bool reverse();
    virtual bool stretch(const RPolyline& area, const RVector& offset);

    virtual RS::Ending getTrimEnd(const RVector& coord, const RVector& trimPoint);
    virtual void trimStartPoint(const RVector& p);
    virtual void trimEndPoint(const RVector& p);

protected:
    virtual void print(QDebug dbg) const;

public:
    RVector startPoint;
    RVector endPoint;
};

Q_DECLARE_METATYPE(const RLine*)
Q_DECLARE_METATYPE(RLine*)
Q_DECLARE_METATYPE(RLine)
Q_DECLARE_METATYPE(QSharedPointer<RLine>)
Q_DECLARE_METATYPE(QSharedPointer<RLine>*)

#endif