vpFeatureMomentDatabase.h

/*
 * ViSP, open source Visual Servoing Platform software.
 * Copyright (C) 2005 - 2025 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 as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 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 https://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:
 * Pseudo-database used to handle dependencies between moment features.
 */

 
#ifndef _vpFeatureMomentDatabase_h_
#define _vpFeatureMomentDatabase_h_
 
#include <cstring>
#include <iostream>
#include <map>
#include <string>
#include <visp3/core/vpConfig.h>
 
BEGIN_VISP_NAMESPACE
class vpFeatureMoment;
class vpMomentObject;
class VISP_EXPORT vpFeatureMomentDatabase
{
private:
  struct vpCmpStr_t
  {
    bool operator()(const std::string &a, const std::string &b) const { return std::strcmp(a.c_str(), b.c_str()) < 0; }
    std::string operator=(const std::string) { return std::string(); } // Only to avoid a warning under Visual with /Wall flag
  };
  std::map<const std::string, vpFeatureMoment *, vpCmpStr_t> featureMomentsDataBase;
  void add(vpFeatureMoment &featureMoment, const std::string &name);
 
public:
  vpFeatureMomentDatabase() : featureMomentsDataBase() { }

  virtual ~vpFeatureMomentDatabase() { }
 
  virtual void updateAll(double A = 0.0, double B = 0.0, double C = 1.0);
 
  vpFeatureMoment &get(const std::string &feature_name, bool &found);
 
  // friend VISP_EXPORT std::ostream & operator<<(std::ostream& os, const
  // vpFeatureMomentDatabase& m);
  friend class vpFeatureMoment;
};
END_VISP_NAMESPACE
#endif