void (@NotNull Graphics2D g, int x, int y, int width, int height, @Nullable Float value) { double mixer = value == null ? 0 : value.doubleValue(); Color fill = fillProducer.produce(mixer); if (0 >= fill.getAlpha()) return; // optimization g.setPaint(fill); RectanglePainter.FILL.paint(g, x, y, width, height, null); }