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

    Optical Flow block Matching 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_OF_BM_H_
#define INCLUDE_PIX_OPENCV_OF_BM_H_

#ifndef _EiC
#include "opencv2/legacy/legacy.hpp"
#include "opencv2/video/tracking.hpp"

#endif

#include "Base/GemPixObj.h"

/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
    pix_opencv_of_bm
    
    Optical Flow block Matching algorithm

KEYWORDS
    pix
    
DESCRIPTION
   
-----------------------------------------------------------------*/
class GEM_EXPORT pix_opencv_of_bm : public GemPixObj
{
    CPPEXTERN_HEADER(pix_opencv_of_bm, GemPixObj)

    public:

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

    	//////////
    	// Do the processing
    	virtual void 	processImage(imageStruct &image);

        void  nightModeMess(float nightmode);
        void  tresholdMess(float threshold);
        void  blocksizeMess(float width, float height);
        void  shiftsizeMess(float width, float height);
        void  maxrangeMess(float width, float height);
        void  usePreviousMess(float previous);
        void  minBlocksMess(float mblocks);

        int comp_xsize;
        int comp_ysize;

        t_outlet *m_meanout;
        t_outlet *m_maxout;

        CvSize x_blocksize, x_shiftsize, x_maxrange, x_velsize;

        int x_nightmode;
        int x_threshold;
        int x_useprevious;
        int x_minblocks;

    private:
    
    	//////////
    	// Static member functions
        static void  nightModeMessCallback(void *data, float nightmode);
        static void  tresholdMessCallback(void *data, float threshold);
        static void  blocksizeMessCallback(void *data, float width, float height);
        static void  shiftsizeMessCallback(void *data, float width, float height);
        static void  maxrangeMessCallback(void *data, float width, float height);
        static void  usePreviousMessCallback(void *data, float previous);
        static void  minBlocksMessCallback(void *data, float mblocks);

	// Internal Open CV data
        IplImage *grey, *prev_grey;
        IplImage *x_velx, *x_vely;
        CvFont font;

        t_atom x_list[3];
};

#endif	// for header file