if x<image1.height/2 then
    begin
        image1.canvas.brush.color:=clyellow;
        image1.canvas.rectangle(x,y,x+40,y+40);
    end
else
    begin
        image1.canvas.brush.color:=clblue;
        image1.canvas.ellipse(x,y,x+35,y+35);
    end