vpMoment.h

/****************************************************************************
 *
 * $Id: vpMoment.h 4708 2014-03-28 17:36:46Z mbakthav $
 *
 * This file is part of the ViSP software.
 * Copyright (C) 2005 - 2014 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://www.irisa.fr/lagadic/visp/visp.html for more information.
 *
 * This software was developed at:
 * INRIA Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 * http://www.irisa.fr/lagadic
 *
 * 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 <visp/vpConfig.h>

#include <vector>
#include <iostream>

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

        virtual ~vpMoment() {}
};
#endif