public override void Draw(PdfContentByte canvas, float llx, float lly, float urx, float ury, float y)
{
canvas.SaveState();
canvas.SetLineWidth(lineWidth);
canvas.SetLineCap(PdfContentByte.LINE_CAP_ROUND);
canvas.SetLineDash(0, gap, gap / 2);
DrawLine(canvas, llx, urx, y);
canvas.RestoreState();
}