//---------------------------------------------------
//        t r e e . h
//---------------------------------------------------
class tree
{
   public:
        tree ()                       { nos_row   =0; 
                                        nos_column=0; 
                                        table      = new (unsigned char*) [1];}
        tree ( int row, int column);
        ~tree();

        void re_initialize ( int row, int column);
        void writetree     ( int level, char * base_name );

   unsigned char ** table;
            int     nos_row;
            int     nos_column;
};

void haar_on_tree ( tree &low, tree & high);
void haar_on_five ( unsigned char *mix,
                    unsigned char *hor,
                    unsigned char *ver,
                    unsigned char *dia,
                    unsigned char *avg  );

void writetree_Colour ( tree &R, tree &G, tree &B,
                        int level, char * base_name );