RCircle.h

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#ifndef RCIRCLE_H
#define RCIRCLE_H
 
#include "../core_global.h"
 
#include "RArc.h"
#include "RShape.h"
#include "RVector.h"
 
class RBox;
class RLine;
 
class QCADCORE_EXPORT RCircle: public RShape {
public:
    RCircle();
    RCircle(double cx, double cy, const double radius);
    RCircle(const RVector& center, const double radius);
    virtual ~RCircle();
 
    virtual RShape::Type getShapeType() const {
        return Circle;
    }
 
    virtual QSharedPointer<RShape> clone() const {
        return QSharedPointer<RShape>(new RCircle(*this));
    }
 
    QSharedPointer<RCircle> cloneToCircle() const {
        return QSharedPointer<RCircle>(new RCircle(*this));
    }
 
    static RCircle createFrom2Points(const RVector& p1, const RVector& p2);
    static RCircle createFrom3Points(const RVector& p1, const RVector& p2, const RVector& p3);
 
    RArc toArc(double startAngle=0.0) const;
 
    virtual bool isValid() const {
        return center.isValid();
    }
 
    virtual void setZ(double z);
 
    virtual QList<RVector> getVectorProperties() const;
    virtual QList<double> getDoubleProperties() const;
 
    virtual RBox getBoundingBox() const;
    virtual double getLength() const;
 
    virtual QList<RVector> getEndPoints() const;
    virtual QList<RVector> getMiddlePoints() const;
    virtual QList<RVector> getCenterPoints() const;
    virtual QList<RVector> getArcReferencePoints() const;
    virtual QList<RVector> getPointsWithDistanceToEnd(
        double distance, int from = RS::FromAny) const;
    virtual QList<RVector> getPointCloud(double segmentLength) const;
 
    virtual double getAngleAt(double distance, RS::From from = RS::FromStart) const;
    RVector getPointAtAngle(double a) const;
 
    virtual RVector getVectorTo(const RVector& point,
            bool limited = true, double strictRange = RMAXDOUBLE) const;
 
    RVector getPointOnShape() const;
 
    RVector getCenter() const;
    void setCenter(const RVector& vector);
    double getRadius() const;
    void setRadius(double radius);
 
    double getDiameter() const;
    void setDiameter(double d);
    double getCircumference() const;
    void setCircumference(double c);
    double getArea() const;
    void setArea(double a);
 
    bool contains(const RVector& p) const;
    //bool touchesCircleInternally(const RCircle& other) const;
 
    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 QSharedPointer<RShape> getTransformed(const QTransform& transform) const;
 
    QList<RLine> getTangents(const RVector& point) const;
 
    virtual QList<QSharedPointer<RShape> > getOffsetShapes(double distance, int number, RS::Side side, const RVector& position = RVector::invalid) {
        return RShape::getOffsetArcs(*this, distance, number, side, position);
    }
 
    virtual QList<QSharedPointer<RShape> > splitAt(const QList<RVector>& points) const;
 
#if QT_VERSION >= 0x060000
    RCircle copy() const {
        return *this;
    }
#endif
 
protected:
    virtual void print(QDebug dbg) const;
 
public:
    RVector center;
    double radius;
};
 
Q_DECLARE_METATYPE(const RCircle*)
Q_DECLARE_METATYPE(RCircle*)
Q_DECLARE_METATYPE(RCircle)
Q_DECLARE_METATYPE(QSharedPointer<RCircle>)
Q_DECLARE_METATYPE(QSharedPointer<RCircle>*)
 
#endif