Segment2.h

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// Copyright (C) Geom Software e.U, Bernhard Kornberger, Graz/Austria
//
// This file is part of the Fade2D library. The student license is free
// of charge and covers personal non-commercial research. Licensees
// holding a commercial license may use this file in accordance with
// the Commercial License Agreement.
//
// This software is provided AS IS with NO WARRANTY OF ANY KIND,
// INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE.
//
// Please contact the author if any conditions of this licensing are
// not clear to you.
//
// Author: Bernhard Kornberger, bkorn (at) geom.at
// http://www.geom.at
 
 
#pragma once
 
#include "Point2.h"
 
#include "common.h"
#if GEOM_PSEUDO3D==GEOM_TRUE
    namespace GEOM_FADE25D {
#elif GEOM_PSEUDO3D==GEOM_FALSE
    namespace GEOM_FADE2D {
#else
    #error GEOM_PSEUDO3D is not defined
#endif
 
 
 
class Segment2
{
protected:
    Point2 src; 
    Point2 trg; 
public:
    CLASS_DECLSPEC
    Segment2(const Point2& src_,const Point2& trg_);
    CLASS_DECLSPEC
    Segment2();
 
    CLASS_DECLSPEC
    Point2 getSrc() const;
 
    CLASS_DECLSPEC
    Point2 getTrg() const;
 
    CLASS_DECLSPEC
    double getSqLen2D() const;
 
#if GEOM_PSEUDO3D==GEOM_TRUE
    CLASS_DECLSPEC
    double getSqLen25D() const;
#endif
    CLASS_DECLSPEC
    void swapSrcTrg();
 
 
    CLASS_DECLSPEC
    friend std::ostream &operator<<(std::ostream &stream, Segment2 seg);
 
    CLASS_DECLSPEC
    bool operator==(const Segment2& other) const;
 
    bool operator<(const Segment2& other) const
    {
        if(src<other.src) return true;
        if(src>other.src) return false;
        return trg<other.trg;
    }
 
 
};
 
 
 
// Comparator class
struct CLASS_DECLSPEC Func_compareSegment
{
    bool operator()(const Segment2* seg0,const Segment2* seg1) const
    {
        if(seg0->getSrc()<seg1->getSrc()) return true;
        if(seg0->getSrc()>seg1->getSrc()) return false;
        if(seg0->getTrg()<seg1->getTrg()) return true;
        if(seg0->getTrg()>seg1->getTrg()) return false;
        return false;
    }
};
 
} // (namespace)