g.translate (insets().left, insets().top);
g.drawPolygon (xPoints[0], yPoints[0], nPoints[0]);
g.fillPolygon (xPoints[1], yPoints[1], nPoints[1]);
g.drawPolygon (new Polygon(xPoints[2], yPoints[2], nPoints[2]));
g.fillPolygon (new Polygon(xPoints[3], yPoints[3], nPoints[3]));