public void BeginDrawing ()
{
if (IncludeXmlAndDoctype) {
WriteLine (@"<?xml version=""1.0""?>
<!DOCTYPE svg PUBLIC ""-//W3C//DTD SVG 1.1//EN"" ""http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"">");
}
WriteLine (@"<svg viewBox=""{0} {1} {2} {3}"" preserveAspectRatio=""xMinYMin meet"" version=""1.1"" xmlns=""http://www.w3.org/2000/svg"">",
_viewBox.Left, _viewBox.Top, _viewBox.Width, _viewBox.Height);
inGroup = false;
}