g2d.drawLine(x, height - insets.bottom, x, y);
Polygon polygon = new Polygon();
polygon.addPoint(x - BOX, height - insets.bottom);
polygon.addPoint(x + BOX - 1, height - insets.bottom);
polygon.addPoint(x, height - BOX - insets.bottom);
g2d.fillPolygon(polygon);
} else if (vertical instanceof Bilateral) {
y = ((Bilateral) vertical).getLeading();
g2d.drawLine(x, insets.top, x, y + insets.top);
Polygon polygon = new Polygon();
polygon.addPoint(x - BOX + 1, insets.top);