Transform.hpp

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//  This file is part of ff3d - http://www.freefem.org/ff3d
//  Copyright (C) 2001, 2002, 2003 Stéphane Del Pino

//  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, or (at your option)
//  any later version.

//  This program 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 program; if not, write to the Free Software Foundation,
//  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

//  $Id: Transform.hpp,v 1.4 2006/10/01 23:25:58 delpinux Exp $

// This class is the base class for all transformations such as
// Rotations, Translations, ...

#ifndef TRANSFORM_HPP
#define TRANSFORM_HPP

#include <string>

#include <Vertex.hpp>
#include <TransType.h>

#include <ReferenceCounting.hpp>
#include <ErrorHandler.hpp>

class Transform
{
protected:
  const TransType __type;       
public:
  inline const TransType& type() const
  {
    return __type;
  }

  virtual std::string povWrite() const = 0;

  virtual TinyVector<3,real_t> operator()(const TinyVector<3>& x) const = 0;

  virtual TinyVector<3,real_t> inverse(const TinyVector<3>& x) const = 0;

  virtual ReferenceCounting<Transform> getCopy() const = 0;

  Transform(const TransType& type)
    : __type(type)
  {
    ;
  }

  Transform(const Transform& t)
    : __type(t.__type)
  {
    ;
  }

  virtual ~Transform()
  {
    ;
  }
};

#endif // TRANSFORM_HPP

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