public void BeginEntity(object entity)
{
var font = default(Font);
if (_eshape != null) {
_eshape.End ();
font = _eshape.CurrentFont;
_eshape = null;
}
EntityShapes eshape = null;
if (!_shapes.TryGetValue (entity, out eshape)) {
eshape = new EntityShapes (entity, _canvas);
_shapes[entity] = eshape;
}
_eshape = eshape;
if (font != null) _eshape.SetFont(font);
_drawnShapes.Add (entity, _eshape);
_eshape.Begin ();
}
