private void DrawGlyphs(IGraphicsContext3D g, DrawContext dc, double x, double y, double z)
{
_rootNode.Draw(g, dc, x, y + _rootNode.ExtendBelowBaseline, z);
}
private void DrawGlyphs(Graphics g, DrawContext dc, double x, double y)
{
_rootNode.Draw(g, dc, x, y + _rootNode.ExtendAboveBaseline);
}