Hello
i'm new to postscript lang and have a code of piechart which is in grey
color. i wanted to make pie chart in color. Here i'm attaching code wat
i written for grey piechart. plz find me solution for this.
Regards

/pidict 10 dict def
pidict begin
/DrawSlice
{ /shade exch def
/end exch def
/start exch def
/label exch def
newpath 0 0 moveto
0 0 radius start end arc
closepath

gsave
shade setgray
fill
grestore
stroke

gsave
start end add 2 div rotate
radius 0 translate
%newpath
%0 0 moveto labelps .8 mul 0 lineto stroke
%labelps 0 translate
0 0 transform
grestore

itransform
/y exch def /x exch def
x y moveto
%x 0 lt
{ label stringwidth pop neg 0 rmoveto }
%if
%y 0 lt { 0 labelps neg rmoveto }
label show
} def

/findgray
{ /i exch def /n exch def
i 2 mod 0 eq
{ i 2 div n 2 div round add n div }
{ i 1 add 2 div n div }
ifelse
} def
%end

/drw-pi
{ pidict begin
/radius exch def
/ycenter exch def /xcenter exch def
/PieArray exch def
/labelps exch def
/title exch def
%gsave
xcenter ycenter translate

%/Helvetica findfont titleps scalefont setfont

%title stringwidth pop 2 div neg radius neg
%titleps 3 mul sub moveto
%title show
/Helvetica findfont labelps scalefont setfont
/nums PieArray length def
/slicecnt 0 def
/curangle 0 def
PieArray

{ /ary exch def
ary aload pop
/per exch def
/label exch def
/perangle per 360 mul def
/slicecnt slicecnt 1 add def
label curangle curangle perangle add
nums slicecnt findgray DrawSlice
/curangle curangle perangle add def
} forall
grestore
end
} def

(pie-chart) 10 12
[
[(AAA) .12 ]
[(BBB) .10 ]
[(CCC) .22 ]
[(DDD) .16 ]
[(EEE) .04 ]
[(FFF) .08 ]
[(GGG) .10 ]
[(HHH) .18 ]
] 306 396 140 drw-pi
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