/*
        Frank Lyonnet 1993
        Entete module GRAY2GCOL
*/

extern void init_gray_to_gcol_convert(char *Buffer, int Lenght);
extern void gray_to_gcol_convert_none(char * Gray, char *Out, long int Length,
   void * DitherTable);
extern void gray_to_gcol_convert_simple(char * Gray, char *Out, long int Length,
   void * DitherTable);
extern void gray_to_gcol_convert_floyd(char * Gray, char *Out, long int Length,
   void * DitherTable, void * FloydBuffer);
