jpeg_marker_reader

type jpeg_marker_reader = record

  reset_marker_reader: procedure(

  cinfo: j_decompress_ptr

);

  read_markers: function(

  cinfo: j_decompress_ptr

):int;

  read_restart_marker: jpeg_marker_parser_method;

  saw_SOI: Boolean;

  saw_SOF: Boolean;

  next_restart_num: int;

  discarded_bytes: uInt;

end;