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GEOMLIB2D
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segment.h
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C/C++ Source or Header
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1998-04-29
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2KB
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57 lines
// segment.h
// Copyright (C) 1997 Cliff Johnson //
// //
// This program is free software; you can redistribute it and/or //
// modify it under the terms of the GNU General Public //
// License as published by the Free Software Foundation; either //
// version 2 of the License, or (at your option) any later version. //
// //
// This software is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
// General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this software (see COPYING); if not, write to the //
// Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. //
#ifndef SEGMENT_H
#define SEGMENT_H
#include "geom.h" // ISA
#include "point.h" // HASA
class Line;
class GeomException;
// in the 2d application, the z values must be zero.
class Segment : public Geom
{
public:
Point origin; // one point
Point endpoint;
public:
// constructors
Segment();
Segment(const Point&, const Point&) throw (GeomException);
virtual ~Segment() {}
// utilities
Point Origin() const { return origin; }
Point Endpoint() const { return endpoint; }
Point U(double u) const;
Line Support() const;
double Length() const;
friend ostream& operator<<(ostream& os, const Segment& s);
virtual double Distance(const Point&) const;
virtual Point Project(const Point&) const;
};
#endif