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/*-----------------------------------------------------------------
LOG
GEM - Graphics Environment for Multimedia
Calculate the center of gravity of a pixBlock.
Copyright (c) 1997-1998 Mark Danks. mark@danks.org
Copyright (c) Günther Geiger. geiger@epy.co.at
Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
-----------------------------------------------------------------*/
/*-----------------------------------------------------------------
pix_multiblob
tracks multiple blobs in one image
LATER: split this object into 2 :
- pix_multiblob (do the image-processing, unsorted!)
- multiblob (ensure that blob3 of the last frame is blob3 f the current one...)
-----------------------------------------------------------------*/
#ifndef _INCLUDE__GEM_PIXES_PIX_MULTIBLOB_H_
#define _INCLUDE__GEM_PIXES_PIX_MULTIBLOB_H_
#include "Base/GemPixObj.h"
#include <stdio.h>
class GEM_EXTERN Blob {
public:
Blob();
void setPosition(int p);
int getPosition();
double xmin();
double xmax();
double ymin();
double ymax();
double xmid();
double ymid();
// the squared diameter of the blob
double diameter2();
// the diamter
double diameter();
// the squared distance to another blob
double distance2(Blob b);
// the distance to another blob
double distance(Blob b);
void xmin(double x);
void xmax(double x);
void ymin(double y);
void ymax(double y);
int area;
double m_xaccum, m_yaccum, m_xyaccum;
bool valid; // 0=invalid; 1=ok;
bool rightPosition;
private :
double m_xmin, m_xmax;
double m_ymin, m_ymax;
int position;
};
class GEM_EXTERN pix_multiblob : public GemPixObj
{
CPPEXTERN_HEADER(pix_multiblob, GemPixObj);
public:
//////////
// Constructor
pix_multiblob(t_float f);
// outlets for results
t_outlet *m_infoOut;
protected:
//Destructor
~pix_multiblob();
void processImage(imageStruct &image);
void doProcessing();
imageStruct m_image;
int m_blobNumber;
Blob *currentBlobs;
void addToBlobArray(Blob *pblob, int blobNumber);
void makeBlob(Blob *pb, int x, int y);
// the minimum size of a blob (relative to the image)
void blobSizeMess(t_float blobSize);
t_float m_blobsize;
// the minimum value of a pixel to be within a blob
void threshMess(t_float thresh);
unsigned char m_threshold;
private:
static void blobSizeMessCallback(void *data, t_floatarg blobSize);
static void threshMessCallback(void *data, t_floatarg thresh);
};
#endif // for header file
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