private void DrawArc(PdfContentByte cb, IList<float> numbers)
{
EllipseArc ellipse = EllipseArc.CreateEllipseArc(numbers[7], numbers[8], numbers[5], numbers[6], numbers[0], numbers[1], numbers[4], numbers[3]);
cb.SetColorFill(BaseColor.ORANGE);
cb.Rectangle(numbers[7], numbers[8], 2, 2); //p1
cb.Fill();
cb.SetColorFill(BaseColor.GREEN);
cb.Rectangle(numbers[5], numbers[6], 2, 2); //p2
cb.Fill();
cb.Arc(ellipse.Cx - numbers[0], ellipse.Cy - numbers[1], ellipse.Cx + numbers[0], ellipse.Cy + numbers[1],
ellipse.StartAng, ellipse.Extend);
}