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Mosaic

procedure Mosaic(var Bm:TBitmap;size:Integer);
var
   x,y,i,j:integer;
   p1,p2:pbytearray;
   r,g,b:byte;
begin
  y:=0;
  repeat
    p1:=bm.scanline[y];
    x:=0;
    repeat
      j:=1;
      repeat
      p2:=bm.scanline[y];
      x:=0;
      repeat
        r:=p1[x*3];
        g:=p1[x*3+1];
        b:=p1[x*3+2];
        i:=1;
       repeat
       p2[x*3]:=r;
       p2[x*3+1]:=g;
       p2[x*3+2]:=b;
       inc(x);
       inc(i);
       until (x>=bm.width) or (i>size);
      until x>=bm.width;
      inc(j);
      inc(y);
      until (y>=bm.height) or (j>size);
    until (y>=bm.height) or (x>=bm.width);
  until y>=bm.height;
end;
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