vpMoment.cpp

/****************************************************************************
 *
 * 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
 *
 *****************************************************************************/

#include <visp3/core/vpMomentObject.h>
#include <visp3/core/vpMoment.h>
#include <visp3/core/vpMomentDatabase.h>
#include <cstring>
vpMoment::vpMoment(): object(NULL), moments(NULL), values() {}


void vpMoment::linkTo(vpMomentDatabase& data_base){
  if (strlen( name() ) >= 255) {
    throw(vpException(vpException::memoryAllocationError,
                      "Not enough memory to intialize the moment name"));
  }

  std::strcpy(_name,name());
  this->moments=&data_base;

  data_base.add(*this,_name);
}


void vpMoment::update(vpMomentObject& moment_object){
    this->object=&moment_object;
}

VISP_EXPORT std::ostream & operator<<(std::ostream & os, const vpMoment& m){
  for(std::vector<double>::const_iterator i = m.values.begin();i!=m.values.end(); ++i)
    os << *i << ",";

  return os;
}

void vpMoment::printDependencies(std::ostream& os) const{
    os << " WARNING : Falling back to base class version of printDependencies(). To prevent that, this has to be implemented in the derived classes!" << std::endl;
}