vpFeatureMomentDatabase.h

/****************************************************************************
 *
 * ViSP, open source Visual Servoing Platform software.
 * Copyright (C) 2005 - 2019 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 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:
 * Pseudo-database used to handle dependencies between moment features.
 *
 * Authors:
 * Filip Novotny
 *
 *****************************************************************************/

#ifndef _vpFeatureMomentDatabase_h_
#define _vpFeatureMomentDatabase_h_

#include <cstring>
#include <iostream>
#include <map>
#include <visp3/core/vpConfig.h>

class vpFeatureMoment;
class vpMomentObject;

class VISP_EXPORT vpFeatureMomentDatabase
{
private:
  struct cmp_str {
    bool operator()(const char *a, const char *b) const { return std::strcmp(a, b) < 0; }
    char *operator=(const char *) { return NULL; } // Only to avoid a warning under Visual with /Wall flag
  };
  std::map<const char *, vpFeatureMoment *, cmp_str> featureMomentsDataBase;
  void add(vpFeatureMoment &featureMoment, char *name);

public:
  vpFeatureMomentDatabase() : featureMomentsDataBase() {}
  virtual ~vpFeatureMomentDatabase() {}
  virtual void updateAll(double A = 0.0, double B = 0.0, double C = 1.0);

  vpFeatureMoment &get(const char *type, bool &found);

  // friend VISP_EXPORT std::ostream & operator<<(std::ostream& os, const
  // vpFeatureMomentDatabase& m);
  friend class vpFeatureMoment;
};

#endif