TrimLoop.h

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

#include <iosfwd>
#include "topo/LEPoint.h"

class MGLoop;


class MG_DLL_DECLR MGTrimLoop{

public:

    MG_DLL_DECLR friend std::ostream& operator<< (std::ostream&, const MGTrimLoop&);

    MGTrimLoop():m_loop(0){;}
    MGTrimLoop(const MGTrimLoop& linf2);
    MGTrimLoop( MGLoop* loop,int star_loop_id,MGLEPoint& start_lep,int end_loop_id,MGLEPoint& end_lep);

    ~MGTrimLoop();
    MGTrimLoop& operator=(const MGTrimLoop& loop2);
    MGVector eval_start_deriv()const;
    MGVector eval_end_deriv()const;
    bool is_null()const{return m_loop==0;};
    MGLoop* loop(){return m_loop;};
    MGLoop* release_loop();

    bool start_is_on_boundary(){return m_start_loopid==4 || m_start_loopid<0;};
    MGLEPoint start_lep()const{return m_start;};

    int start_loopid()const;

    bool end_is_on_boundary(){return m_end_loopid==4 || m_end_loopid<0;};
    MGLEPoint end_lep()const{return m_end;};

    int end_loopid()const;

    void set_null();

    void set_used_loop_flag(std::vector<bool>& used_loops)const;

private:
    MGLoop* m_loop;
    int m_start_loopid;
    MGLEPoint m_start;

    int m_end_loopid;
    MGLEPoint m_end;

};
 // end of TOPORelated group
#endif