급히 만들어봤는데요..

응용해서 해보세요..^^

report  ZREPO.

parameters P_NAME type TDOBNAME.
parameters P_COL radiobutton group G1.
parameters P_MON radiobutton group G1.

data BTYPE type TDBTYPE.
data LS_BMP type SSFXSFBMP.
data LEN type I.
data OFF type I.
data: begin of GT_BMPX occurs 0,
      LINE(255) type X,
      end of GT_BMPX.

case 'X'.
  when P_COL.    BTYPE = 'BCOL'.
  when P_MON.    BTYPE = 'BMON'.
endcase.

select single * from SSFXSFBMP into LS_BMP
  where OBJECT = 'GRAPHICS' and
        NAME = P_NAME and
        ID = 'BMAP' and
        BTYPE = BTYPE.

check SY-SUBRC = 0.

LEN = xstrlen( LS_BMP-BMP ).

while LEN > 255.
  GT_BMPX-LINE = LS_BMP-BMP+OFF(255).
  append GT_BMPX.
  OFF = OFF + 255.
  LEN = LEN - 255.
endwhile.

GT_BMPX-LINE = LS_BMP-BMP+OFF(LEN).
append GT_BMPX.

call method CL_GUI_FRONTEND_SERVICES=>GUI_DOWNLOAD
  exporting
    FILENAME = 'C:AAA.BMP'
    FILETYPE = 'BIN'
  changing
    DATA_TAB = GT_BMPX[]
  exceptions
    others   = 24.