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/*-----------------------------------------------------------------
LOG
    GEM - Graphics Environment for Multimedia

    Hough circles detection algorithm

    Copyright (c) 1997-1999 Mark Danks. mark@danks.org
    Copyright (c) Günther Geiger. geiger@epy.co.at
    Copyright (c) 2001-2002 IOhannes m zmoelnig. forum::für::umläute. IEM. zmoelnig@iem.kug.ac.at
    Copyright (c) 2002 James Tittle & Chris Clepper
    For information on usage and redistribution, and for a DISCLAIMER OF ALL
    WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.

-----------------------------------------------------------------*/

#ifndef INCLUDE_PIX_OPENCV_HOUGH_CIRCLES_H_
#define INCLUDE_PIX_OPENCV_HOUGH_CIRCLES_H_

#ifndef _EiC
#include "cv.h"
#endif

#include "Base/GemPixObj.h"

#define MAX_HISTOGRAMS_TO_COMPARE 80

/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
    pix_opencv_hough_circles
    
    Hough circles detection algorithm

KEYWORDS
    pix
    
DESCRIPTION
   
-----------------------------------------------------------------*/

class GEM_EXTERN pix_opencv_hough_circles : public GemPixObj
{
    CPPEXTERN_HEADER(pix_opencv_hough_circles, GemPixObj)

    public:

	//////////
	// Constructor
    	pix_opencv_hough_circles();
    	
    protected:
    	
    	//////////
    	// Destructor
    	virtual ~pix_opencv_hough_circles();

    	//////////
    	// Do the processing
    	virtual void 	processRGBAImage(imageStruct &image);
    	virtual void 	processRGBImage(imageStruct &image);
	virtual void 	processYUVImage(imageStruct &image);
    	virtual void 	processGrayImage(imageStruct &image); 

        int comp_xsize;
        int comp_ysize;

        void     floatNightModeMess(t_float nightmode);
        void     floatThresholdMess(t_floatarg threshold);
        void     floatThreshold2Mess(t_floatarg threshold);
        void     floatMinDistMess(t_floatarg mindist);
        void     floatResolutionMess(t_floatarg resolution);
        void     floatMaxCirclesMess(t_floatarg maxcircles);

        t_outlet *m_dataout;

        int x_threshold;
        int x_threshold2;
        int x_maxcircles;
        double x_mindist;
        double x_resolution;
        int night_mode;

    private:
    
    	//////////
    	// Static member functions
        static void     floatNightModeMessCallback(void *data, t_floatarg nightmode);
        static void     floatThresholdMessCallback(void *data, t_floatarg threshold);
        static void     floatThreshold2MessCallback(void *data, t_floatarg threshold);
        static void     floatMinDistMessCallback(void *data, t_floatarg mindist);
        static void     floatResolutionMessCallback(void *data, t_floatarg resolution);
        static void     floatMaxCirclesMessCallback(void *data, t_floatarg maxcircles);

	// The output and temporary images
        IplImage *rgba, *rgb, *gray;
        CvFont font;
        CvMemStorage* x_storage;
        CvSeq* x_circles;
        t_atom x_list[4];
};

#endif	// for header file