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HxBlob2d.h

/*
 *  Copyright (c) 1998, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *
 *  Author(s):
 *  Leon Todoran (todoran@wins.uva.nl)
 *  Dennis Koelma (koelma@wins.uva.nl)
 */

#ifndef HxBlob2d_h
#define HxBlob2d_h

#include "list"
#include "map"
#include "HxImageRep.h"
#include "HxFreemanChain2d.h"
#include "HxFeatureFunctor.h"


class HxBlob2d
{
public:
                            HxBlob2d();
                            HxBlob2d(HxImageRep inputIm, HxImageRep labIm,
                                     int label, int xmin, int ymin,
                                     int width, int height, HxFreemanChain2d ch);
                            ~HxBlob2d();

    int                     ident() const;
    HxImageRep              getInputImage() const;
    HxImageRep              getLabeledImage() const;
    int                     getLabel() const;

    HxPoint                 startMaer() const;
    HxSizes                 sizeMaer() const;

    HxFreemanChain2d        getContour() const;

                            // these are to simplify the SA interface
    int                     getContourX() const;
    int                     getContourY() const;
    int                     getContourLength() const;
    void                    getContourCodes(int* codes) const;
    void                    getRgbPixels(int* pixels) const;

    HxValue                 getFeature(HxString name);
    static void             registerFeatureFunctor(HxFeatureFunctor* ff);
    void                    addFeature(HxString name, HxValue val);
    void                    deleteFeature(HxString name);

private:
    HxImageRep              _inputImage; // could be color, gray-level, etc.
    HxImageRep              _labImage; // for access to connected component,
                                       // (should we use a mask?)
    int                     _ident;    // unique identifier
    int                     _label;    // identification label of the component
    int                     _xmin;
    int                     _ymin;
    int                     _xmax;
    int                     _ymax;
    int                     _width;
    int                     _height;
    HxFreemanChain2d        _chain;

    static int              _nr;

    static std::list<HxFeatureFunctor*>                 _functorList;
    std::map<HxString, HxValue, std::less<HxString> >   _featureList;
};

inline HxString
makeString(const HxBlob2d& b)
{
    return HxString("HxBlob2d") + makeString(b.ident());
}

#endif

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