Blob.h

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/************************************************************************
                        Blob.h
                        
FUNCIONALITAT: Definició de la classe CBlob
AUTOR: Inspecta S.L.
MODIFICACIONS (Modificació, Autor, Data):

FUNCTIONALITY: Definition of the CBlob class and some helper classes to perform
                           some calculations on it
AUTHOR: Inspecta S.L.
MODIFICATIONS (Modification, Author, Date):

**************************************************************************/

//#pragma warning( disable : 4786 ) 

#ifndef CBLOB_INSPECTA_INCLUDED
#define CBLOB_INSPECTA_INCLUDED

#include "cxcore.h"
#include "BlobLibraryConfiguration.h"
#include "BlobContour.h"


#ifdef BLOB_OBJECT_FACTORY

        #include "..\inspecta\DesignPatterns\ObjectFactory.h"
#endif


typedef unsigned int t_labelType;


class CBlob
{
        typedef std::list<CBlobContour> t_contourList;

public:
        CBlob();
        CBlob( t_labelType id, CvPoint startPoint, CvSize originalImageSize );
        ~CBlob();

        CBlob( const CBlob &src );
        CBlob( const CBlob *src );

        CBlob& operator=(const CBlob &src );
        
        void AddInternalContour( const CBlobContour &newContour );
        
        CBlobContour *GetExternalContour()
        {
                return &m_externalContour;
        }

        CvMemStorage *GetStorage()
        {
                return m_storage;
        }

        t_labelType GetID()
        {
                return m_id;
        }
        int       Exterior( IplImage *mask, bool xBorder = true, bool yBorder = true );
        double Area();
        double Perimeter();
        double Moment(int p, int q);

        double ExternPerimeter( IplImage *mask, bool xBorder  = true, bool yBorder = true );
        
        double Mean( IplImage *image );

        double StdDev( IplImage *image );

        bool IsEmpty();

        t_PointList GetConvexHull();

        void FillBlob( IplImage *imatge, CvScalar color, int offsetX = 0, int offsetY = 0 );

        void JoinBlob( CBlob *blob );

        CvRect GetBoundingBox();
        CvBox2D GetEllipse();

        double MinX()
        {
                return GetBoundingBox().x;
        }
        double MinY()
        {
                return GetBoundingBox().y;
        }
        double MaxX()
        {
                return GetBoundingBox().x + GetBoundingBox().width;
        }
        double MaxY()
        {
                return GetBoundingBox().y + GetBoundingBox().height;
        }
private:
        
        void ClearContours();
        // Blob contours


        CvMemStorage *m_storage;
        CBlobContour m_externalContour;
        t_contourList m_internalContours;

        // Blob features
        
        t_labelType m_id;
        double m_area;
        double m_perimeter;
        double m_externPerimeter;
        double m_meanGray;
        double m_stdDevGray;
        CvRect m_boundingBox;
        CvBox2D m_ellipse;
        CvSize m_originalImageSize;
};

#endif //CBLOB_INSPECTA_INCLUDED