region_2d.h

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// -*-c++-*-

 
/*
 *Copyright:
 
 Copyright (C) Hidehisa Akiyama
 
 This code is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 3 of the License, or (at your option) any later version.
 
 This library 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
 Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 *EndCopyright:
 */

 
#ifndef RCSC_GEOM_REGION2D_H
#define RCSC_GEOM_REGION2D_H
 
namespace rcsc {
 
class Vector2D;

class Region2D {
protected:

    Region2D()
      { }
 
public:

    virtual
    ~Region2D()
      { }

    virtual
    double area() const = 0;

    virtual
    bool contains( const Vector2D & point ) const = 0;
 
};
 
}
 
#endif