//
//  file name: combine.h
//
//  written by Ee-Chien Chang
//
//-----------------------------------------
//     C O M B
//-----------------------------------------
//
//  maintain a sparse mask   (SPARSE )
// and the ooeff so that
//   givem  a request, q
//  send out  the coeff that has not
//   yet send.
//------------------------------------------
//  note.     does not include compression.
//------------------------------------------

#ifndef COMBINE_H
#define COMBINE_H
class combine
{
   public:
                combine ( char * basename );
                combine () ;
              ~ combine ();

       unsigned char *   request ( int * total ,  int level,
                                                  int st_row, int en_row,
                                                  int st_col, int en_col  );
                void     getaverage ( unsigned char **  );

   private:
       mask_tree *Mask;
       coeff     *Coef;
};
#endif