which is better

Which is better?

static void _gc_orient (E_Gadcon_Client * gcc)
{
  e_gadcon_client_aspect_set (gcc, 16, 16);
  e_gadcon_client_min_size_set (gcc, 16, 16);
}

**************OR*********************

static void _gc_orient (E_Gadcon_Client * gcc)
{
   Instance *inst;
   Evas_Coord w, h;
   inst = gcc->data;
   e_gadcon_client_aspect_set(gcc, 1, 1);
   edje_object_size_min_get(inst->o_button, &w, &h);
   e_gadcon_client_min_size_set(gcc, w, h);
}