var shape:Shape = new Shape();

shape.graphics.beginFill(Math.random()*0xFFFFFF);

shape.graphics.drawCircle(5.0, 5.0, 10.0);

var bitmapData:BitmapData = new BitmapData(10.0, 10.0, true, 0);

bitmapData.draw(shape);

shape.graphics.drawCircle(5.0, 5.0, 5.0);