private static XmlElement ConvertToXml(XmlDocument doc, Knot knot, int id, XmlFlags flag)
{
// Create the element from the document
XmlElement ele = doc.CreateElement("k" + id.ToString());
// Create the element to represent the point
XmlElement poi = doc.CreateElement("Point");
// Create and set elements to for the point
XmlElement poi_x = doc.CreateElement("X");
XmlElement poi_y = doc.CreateElement("Y");
poi_x.InnerText = knot.Point.x.ToString();
poi_y.InnerText = knot.Point.y.ToString();
// Add points to the point element
poi.AppendChild(poi_x);
poi.AppendChild(poi_y);
// Add point to element
ele.AppendChild(poi);
// Does knot support in tangents?
if (flag.HasFlag(XmlFlags.In))
{
// Create the element to represent the in tangent
XmlElement ta_in = doc.CreateElement("In");
// Create and set elements to for the tangent
XmlElement ta_in_x = doc.CreateElement("X");
XmlElement ta_in_y = doc.CreateElement("Y");
ta_in_x.InnerText = knot.In.x.ToString();
ta_in_y.InnerText = knot.In.y.ToString();
// Add points to the tangent element
ta_in.AppendChild(ta_in_x);
ta_in.AppendChild(ta_in_y);
// Add tangent to element
ele.AppendChild(ta_in);
}
// Does knot support in tangents?
if (flag.HasFlag(XmlFlags.Out))
{
// Create the element to represent the out tangent
XmlElement ta_out = doc.CreateElement("Out");
// Create and set elements to for the tangent
XmlElement ta_out_x = doc.CreateElement("X");
XmlElement ta_out_y = doc.CreateElement("Y");
ta_out_x.InnerText = knot.Out.x.ToString();
ta_out_y.InnerText = knot.Out.y.ToString();
// Add points to the tangent element
ta_out.AppendChild(ta_out_x);
ta_out.AppendChild(ta_out_y);
// Add tangent to element
ele.AppendChild(ta_out);
}
// Return the element
return(ele);
}
