public void AddVertex(T x, T y, uint cmd)
{
m_status = Status.Initial;
if (Path.IsMoveTo(cmd))
{
m_src_vertices.ModifyLast(new VertexDist <T>(x, y));
}
else
{
if (Path.IsVertex(cmd))
{
m_src_vertices.Add(new VertexDist <T>(x, y));
}
else
{
m_closed = (uint)Path.GetCloseFlag(cmd);
}
}
}