procedure vul_vlak(x,y,xx,yy :integer;kleur,raster :byte);

const
  soort :array[0..27] of fillpatterntype =
                   (($ff,$ff,$ff,$ff,$ff,$ff,$ff,$ff),
                    (0,$fb,$fb,$fb,0,$df,$df,$df),
                    (0,$10,$28,$44,$28,$10,0,0),
                    ($22,0,$88,0,$22,0,$88,0),
                    ($cc,$33,$cc,$33,$cc,$33,$cc,$33),
                    ($aa,$55,$aa,$55,$aa,$55,$aa,$55),
                    ($94,$84,$48,$30,0,$c1,$22,$14),
                    ($aa,$aa,$aa,$aa,$aa,$aa,$aa,$aa),
                    ($ff,0,$ff,0,$ff,0,$ff,0),
                    ($ff,$1,$7d,$45,$5d,$41,$7f,0),
                    ($01,$82,$44,$28,$10,$20,$40,$80),
                    (0,$3c,$42,$42,$42,$42,$3c,0),
                    (0,$7e,$7e,$7e,$7e,$7e,$7e,0),
                    ($81,$42,$24,$18,$18,$24,$42,$81),
                    (0,$ec,$2a,$2a,$2a,$aa,$ec,0),
                    (0,$08,$18,$3f,$3f,$18,$08,0),
                    (0,0,$7e,$42,$7e,$42,$7e,$42),
                    ($80,$7f,$41,$41,$41,$41,$41,$7f),
                    (0,$5d,$3e,$6b,$7f,$63,$36,$5d),
                    (0,0,$04,$08,$90,$a0,$c0,$f0),
                    ($92,$24,$49,$92,$24,$49,$92,$24),
                    ($b1,$22,$14,$14,$22,$91,$48,$24),
                    ($18,$3c,$3c,$7e,$7e,$3c,$3c,$18),
                    ($e7,$c3,$81,$18,$18,$81,$c3,$e7),
                    ($2,$91,$68,$8,$10,$16,$89,$40),
                    ($ff,$81,$81,$81,$81,$81,$81,$ff),
                    (0,0,$81,$81,$42,$24,$18,$18),
                    ($c3,$42,$5a,$7e,$7e,$5a,$42,$c3));

begin
  if raster < 28 then begin
    setfillpattern(soort[raster],kleur);
    setfillstyle(12,kleur);
    bar(x,y,xx,yy);
  end;
end;