vpTemplateTrackerZone.h

/****************************************************************************
 *
 * 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:
 * Template tracker.
 *
 * Authors:
 * Amaury Dame
 * Aurelien Yol
 * Fabien Spindler
 *
 *****************************************************************************/
#ifndef vpTemplateTrackerZone_hh
#define vpTemplateTrackerZone_hh

#include <vector>

#include <visp3/core/vpDisplay.h>
#include <visp3/core/vpException.h>
#include <visp3/core/vpImage.h>
#include <visp3/tt/vpTemplateTrackerTriangle.h>
#include <visp3/tt/vpTemplateTrackerHeader.h>
#include <visp3/core/vpRect.h>

class VISP_EXPORT vpTemplateTrackerZone
{
  protected:
    std::vector<vpTemplateTrackerTriangle> Zone; 
    int min_x; 
    int min_y; 
    int max_x; 
    int max_y; 

  public:
    vpTemplateTrackerZone();
    vpTemplateTrackerZone(const vpTemplateTrackerZone &z);
    ~vpTemplateTrackerZone();

    //add a triangle to the zone
    void add(const vpTemplateTrackerTriangle &t);
    void clear();
    void copy(const vpTemplateTrackerZone& z);

    //display the area on an image
    void display(const vpImage<unsigned char> &I, const vpColor &col = vpColor::green, const unsigned int thickness=3);
    void display(const vpImage<vpRGBa> &I, const vpColor &col = vpColor::green, const unsigned int thickness=3);

    //colorie le tieme triangle
    void fillTriangle(vpImage<unsigned char>& I, unsigned int id, unsigned char gray_level);

    double getArea() const;
    vpImagePoint getCenter() const;
    vpImagePoint getCenter(int borne_x, int borne_y) const;
    //get bounds of the area
    int getMaxx() const;
    int getMaxy() const;
    int getMinx() const;
    int getMiny() const;
    vpRect getBoundingBox() const;

    unsigned int getNbTriangle() const { return (unsigned int)Zone.size(); }
    vpTemplateTrackerZone getPyramidDown() const;
    //renvoie le ieme triangle de la zone
    void getTriangle(unsigned int i, vpTemplateTrackerTriangle &T) const;
    vpTemplateTrackerTriangle getTriangle(unsigned int i) const;

    //create an area by clicking on an image
    void initClick(const vpImage<unsigned char>& I, bool delaunay = false);
    //create an area with a pointer of integer that describes a series of triangles:
    // *pt= t0.S1.x,t0.S1.y,t0.S2.x,t0.S2.y,t0.S3.x,t0.S3.y, t1.S1.x ...
    void initFromPoints(const vpImage<unsigned char>& I, const std::vector< vpImagePoint > &ip, bool delaunay = false);

    //check if a point is in the area
    bool inZone(const int &i,const int &j) const;
    bool inZone(const double &i,const double &j) const;
    //check if a point is in the area and return the corresponding triangle id_triangle where the point is.
    bool inZone(const int &i,const int &j, unsigned int &id_triangle) const;
    bool inZone(const double &i,const double &j, unsigned int &id_triangle) const;

    vpTemplateTrackerZone & operator=(const vpTemplateTrackerZone &z);
};
#endif