vpMbtPolygon.h

/****************************************************************************
 *
 * $Id: vpMbtPolygon.h 4056 2013-01-05 13:04:42Z fspindle $
 *
 * This file is part of the ViSP software.
 * Copyright (C) 2005 - 2013 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:
 * Implements a polygon of the model used by the model-based tracker.
 *
 * Authors:
 * Nicolas Melchior
 * Romain Tallonneau
 * Eric Marchand
 * Aurelien Yol
 *
 *****************************************************************************/

#ifndef vpMbtPolygon_HH
#define vpMbtPolygon_HH

#include <visp/vpPoint.h>
#include <visp/vpMeterPixelConversion.h>
#include <visp/vpPixelMeterConversion.h>

#include <vector>

class VISP_EXPORT vpMbtPolygon
{
public:
  int index;
  unsigned int nbpt;
  bool isvisible;
  bool isappearing;
  vpPoint *p;
    
public: 
                           vpMbtPolygon() ;
            virtual       ~vpMbtPolygon() ;
                                    
            void          addPoint(const unsigned int n, const vpPoint &P) ;               
          
            void          changeFrame(const vpHomogeneousMatrix &cMo) ;
            
  inline    int           getIndex() const {return index ;}
            
  inline    unsigned int  getNbPoint() const {return nbpt ;}              
          
            vpPoint &     getPoint(const unsigned int _index);
  
  std::vector<vpImagePoint> getRoi(const vpCameraParameters &_cam);

  inline    bool          isAppearing() const {return isappearing;}
            bool          isVisible(const vpHomogeneousMatrix &cMo, const bool &depthTest = false) ;
  virtual   bool          isVisible(const vpHomogeneousMatrix &cMo, const double alpha) ;
            bool          isVisible() const {return isvisible;}
  
  virtual inline void     setIndex(const int i ) { index = i ; } 
  virtual        void     setNbPoint(const unsigned int nb)  ;
  
public:
  static   void           getMinMaxRoi(const std::vector<vpImagePoint> &roi, int & i_min, int &i_max, int &j_min, int &j_max);
  static   bool           roiInsideImage(const vpImage<unsigned char>& I, const std::vector<vpImagePoint>& corners);
};

#endif