#include "Zone.h"

#include "system.h"

Zone::Zone(Point ulp, Point lrp, ZonedPage * parentPage)

     :fparent(parentPage) , ful(ulp), flr(lrp)

     { 

       fpage = new Page;

       convertMap(fparent->bmap(),fpage->rmap(), ful, flr);

       convertMap(fpage->rmap(), fpage->bmap(), NOPNT, NOPNT); 

     }

void Zone::buildPage(ZonedPage * parentPage)

     // ful and flr must already be set

{

  if (fpage != NULL) 

    delete fpage;

  fparent = parentPage;

  fpage = new Page;

  convertMap(fparent->bmap(),fpage->rmap(), ful, flr);

  convertMap(fpage->rmap(), fpage->bmap(), NOPNT, NOPNT); 

}

Zone::~Zone()

{

  delete fpage;

}

Zones::Zones()

  :List()

{}

Zone * Zones::findZone(int x, int y)

{

  for (ListElement *ptr = first; ptr != NULL && ptr->item!=NULL; 

       ptr = ptr->next) 

    {

      Zone * item = (Zone *) ptr->item;

      if ( x >= item->ul().x() && x <= item->lr().x()  &&

	   y >= item->ul().y() && y <= item->lr().y())

	return item;

    }	

      return NULL;

}

Zones::~Zones()

{

  for (ListElement *ptr = first; ptr != NULL && ptr->item!=NULL; 

       ptr = ptr->next) {

    if (ptr->item != NULL)

      delete (Zone *) (ptr->item);

     }

  while(!IsEmpty())

    Remove();

}