#ifndef _COMPONENT_H

#define _COMPONENT_H

#include "system.h" 

#include "list.h"

#include "RLEMap.h"

class BitMap;

class Components: public List

{

 public:

  Components();

  ~Components();

};

class Component{

      public:

       	Component(Point ul, Point lr)

	  :ful(ul), flr(lr), fnumBits(0),fasciiId(0), fconfid(0),

	  charGroup(0), ffontId(0)

	    { fproperty = new Property[numProperties];

	      for (int i = 0; i < numProperties; i++)

	         fproperty[i] = 0;};

	Component()

	  :ful(-1), flr(-1), fnumBits(0),fasciiId(0),fconfid(0),

	  charGroup(0), ffontId(0)

	    { fproperty = new Property[numProperties];

	      for (int i = 0; i < numProperties; i++)

	         fproperty[i] = 0;};

	~Component(){

	    if (fproperty != NULL) delete fproperty;}

	 inline Point & ul() {return ful;};

	 inline Point & lr() {return flr;};

	 inline double width() {return (double)(flr.x() - ful.x() + 1); };

	 inline double height() {return (double)(flr.y() - ful.y() + 1); };

         inline int & numBits(){return fnumBits;};

	 short int charGroup; // values 0-3: 0=acemno, 1=gpqy, 2=dfhikl, 3=j([}

         int vertShrink(BitMap * bitmap);									     

	int AddToComponent(ListElement* intrvl, RLEMap* rlemap);

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

	Primary Purpose: Extend boundaries of component by connected intervals.

        Arguments: startIntrvl is interval to start from

        Return Value: Number of intervals added. 

	Effects: Updates component's LR and UL. Deletes all added intervals. 

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

	 // Access entire property vector

	 inline Property * properties()

	   {return fproperty;}

	 // Set or read one value in property vector

	 inline Property & property(int p) // Possibly use overload []

	   {return fproperty[p];};

	 // Set or read ascii id;

	 inline Character & asciiId(){ return fasciiId;};

	// Set or read font id;

	inline short int & fontId() {return ffontId;};

	 inline Confidence & confid(){ return fconfid; };

	// Determine heuristic distance between this and comp

	 Distance distance(Component * comp);

	// Use the BitMap map to set the property vector for 

        // this component

	void setProperties(RLEMap * map);

	void setProperties(BitMap * map);

	void setSectionFlags(short int hflag[], short int vflag[]);

	void display_bounding_box();

	Distance recognize(Component * learnedchars);

	// find best match in learned characters.  Set ascii value

        // and return distance.

	Distance recognize(Components * learnedgroups, bool allGroups=FALSE);

	// find best match from learned character groups. Set ascii value

        // and return distance.

        Property * fproperty;

      private:

       	Point ful;

      	Point flr;

       	int fnumBits;

       	Character fasciiId;

	short int ffontId;

       	Confidence fconfid;     

};

#endif