Index: obj_subc.h
===================================================================
--- obj_subc.h	(revision 22245)
+++ obj_subc.h	(revision 22246)
@@ -114,8 +114,12 @@
 int pcb_subc_get_origin(pcb_subc_t *sc, pcb_coord_t *x, pcb_coord_t *y);
 int pcb_subc_get_rotation(pcb_subc_t *sc, double *rot);
 int pcb_subc_get_side(pcb_subc_t *sc, int *on_bottom);
-int pcb_subc_get_host_trans(pcb_subc_t *sc, pcb_host_trans_t *tr);
 
+/* get all the above transformatoins at once. If neg is 0, these are the
+   raw transofrmations ("what happened to the subc from neutral state"),
+   if neg is non-zero, these are the transformations back to neutral state. */
+int pcb_subc_get_host_trans(pcb_subc_t *sc, pcb_host_trans_t *tr, int neg);
+
 /* Search for the named subc; name is relative path in hierarchy. Returns
    NULL if not found */
 pcb_subc_t *pcb_subc_by_refdes(pcb_data_t *base, const char *name);