private void Write(DrawingElement rootElement, IHtmlWriter writer)
{
var svgDocument = DiagramGenerator.ProduceSvg(rootElement);
string svg;
using (var stream = new MemoryStream())
{
svgDocument.Write(stream);
svg = Encoding.UTF8.GetString(stream.GetBuffer(), 0, (int)stream.Length);
svg = svg.Substring(svg.IndexOf("<svg", StringComparison.OrdinalIgnoreCase));
}
writer.GetTextWriter().Write(svg);
}