GeneralPath gp1 = new GeneralPath();
    gp1.moveTo(0.25f*ds,-1.25f*ds);
    gp1.lineTo(0.50f*ds,-0.25f*ds);
    gp1.lineTo(0.75f*ds,-1.25f*ds);
  
    g2.setPaint(Color.blue);
    g2.draw(gp1);

Figure 9