SSisect.h

/********************************************************************/
/* Copyright (c) 2015 DG Technologies Inc. and Yuzi Mizuno          */
/* All rights reserved.                                             */
/********************************************************************/
#ifndef _MGSSisect_HH_
#define _MGSSisect_HH_

#include "mg/MGCL.h"
#include "mg/isect.h"
#include "mg/Curve.h"

// MGSSisect.h
// Header for MGSSisect

//Forward Declaration
class MGCurve;


class MG_DLL_DECLR MGSSisect:public MGisect{

public:


MGSSisect()
:m_iline(0), m_param1(0), m_param2(0),m_rel(MGSSREL_UNKNOWN)
{;};

MGSSisect(const MGSSisect& ssi);

MGSSisect(
    MGCurve* iline, 
    MGCurve* param1,
    MGCurve* param2,
    const MGSSRELATION r1=MGSSREL_UNKNOWN
):m_iline(iline), m_param1(param1), m_param2(param2), m_rel(r1){;};

MGSSisect(
    const MGCurve& iline,
    const MGCurve& param1,
    const MGCurve& param2,
    const MGSSRELATION r1=MGSSREL_UNKNOWN
);

~MGSSisect();


MGSSisect& operator= (const MGSSisect& ssi);

bool operator< (const MGSSisect& ssi2)const;
bool operator> (const MGSSisect& ssi2)const{return ssi2<(*this);};
bool operator<= (const MGSSisect& ssi2)const{return !(ssi2<(*this));};
bool operator>= (const MGSSisect& ssi2)const{return !((*this)<ssi2);};
bool operator== (const MGSSisect& ssi2)const;
bool operator!= (const MGSSisect& ssi2)const{return !operator==(ssi2);};

bool operator< (const MGisect& is)const;
bool operator< (const MGCCisect& is)const{return false;};
bool operator< (const MGCSisect& is)const{return false;};
bool operator< (const MGCFisect& is)const{return false;};
bool operator< (const MGFFisect& is)const{return true;};
bool operator== (const MGisect& is)const;


int has_common(const MGSSisect& ssi2)const;

void exchange12(){replace12();};

bool is_null()const{return m_iline==0;};

const MGObject& isect()const{return *m_iline;};

const MGCurve* isect1_param1()const{return m_param1;};

const MGCurve* isect1_param2()const{return m_param2;};

MGCurve& line() const{return *m_iline;}

int manifold_dimension()const{return 1;};

void negate();

std::ostream& out(std::ostream& ostrm)const;

MGCurve& param1() const{return *m_param1;}

MGCurve& param2() const{return *m_param2;}

MGSSRELATION rel() const{return m_rel;}

MGCurve* release_line();
MGCurve* release_param1();
MGCurve* release_param2();

MGSSisect& replace12();

void set_null();

private:

    
    MGCurve* m_iline;   
    MGCurve* m_param1;  
    MGCurve* m_param2;  
    MGSSRELATION m_rel; 

    friend class MGSSisect_list;
};
 // end of IsectContainer group
#endif