#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