vpMoment.h

/****************************************************************************
 *
 * This file is part of the ViSP software.
 * Copyright (C) 2005 - 2017 by Inria. All rights reserved.
 *
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * ("GPL") version 2 as published by the Free Software Foundation.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact Inria about acquiring a ViSP Professional
 * Edition License.
 *
 * See http://visp.inria.fr for more information.
 *
 * This software was developed at:
 * Inria Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 *
 * If you have questions regarding the use of this file, please contact
 * Inria at visp@inria.fr
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Description:
 * Base for 2D moment descriptor
 *
 * Authors:
 * Filip Novotny
 *
 *****************************************************************************/

#ifndef __MOMENT_H__
#define __MOMENT_H__

#include <vector>
#include <iostream>

#include <visp3/core/vpConfig.h>
#include <visp3/core/vpException.h>


class vpMomentDatabase;
class vpMomentObject;


class VISP_EXPORT vpMoment
{
private:
  vpMomentObject* object;
  vpMomentDatabase* moments;
  char _name[255];

protected:
  std::vector<double> values;
  inline vpMomentDatabase& getMoments() const { return *moments; }

//private:
//#ifndef DOXYGEN_SHOULD_SKIP_THIS
//  vpMoment(const vpMoment &)
//    : object(NULL), moments(NULL), values()
//  {
//    throw vpException(vpException::functionNotImplementedError,"Not implemented!");
//  }
//  vpMoment &operator=(const vpMoment &){
//    throw vpException(vpException::functionNotImplementedError,"Not implemented!");
//    return *this;
//  }
//#endif

public:
  vpMoment();

  virtual ~vpMoment() {}

  virtual void compute()=0;
  inline const vpMomentObject& getObject() const { return *object;}
  const std::vector<double>& get() const { return values;}
  void linkTo(vpMomentDatabase& moments);
  virtual const char* name() const = 0;
  virtual void printDependencies(std::ostream& os) const;
  void update(vpMomentObject& object);
  friend VISP_EXPORT std::ostream & operator<<(std::ostream & os, const vpMoment& m);
};
#endif