FPline.h

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

class MGCurve;
class MGFSurface;


class MG_DLL_DECLR MGFPline{

public:
    
MG_DLL_DECLR friend std::ostream& operator<< (std::ostream& ostrm, const MGFPline& fpl);

MGFPline():m_face(0),m_uvline(0){;};    

MGFPline(
    const MGFSurface* face, 
    MGCurve* uvline
):m_face(face), m_uvline(uvline){;};

MGFPline(const MGFPline& fpl);

~MGFPline();    


MGFPline& operator= (const MGFPline& fpl);

bool operator< (const MGFPline& fpl2)const;
bool operator> (const MGFPline& fpl2)const{return fpl2<(*this);};
bool operator<= (const MGFPline& fpl2)const{return !(fpl2<(*this));};
bool operator>= (const MGFPline& fpl2)const{return !((*this)<fpl2);};
bool operator== (const MGFPline& fpl2)const;
bool operator!= (const MGFPline& fpl2)const{return !operator==(fpl2);};


void change_range(
    double t0,  
    double t1   
);

const MGFSurface* face()const{return m_face;};

void reverse_direction();

MGCurve* release_line();

const MGCurve& uvline() const{return *m_uvline;}
MGCurve& uvline() {return *m_uvline;}

private:
    const MGFSurface* m_face;   
    mutable MGCurve* m_uvline;

};
 // end of GEORelated group

#endif