Index: trunk/src/obj_text.c
===================================================================
--- trunk/src/obj_text.c	(revision 19580)
+++ trunk/src/obj_text.c	(revision 19581)
@@ -1244,6 +1244,22 @@
 	pcb_trace("font change %d\n", argv[1].d.i);
 }
 
+pcb_bool pcb_text_old_direction(int *dir_out, double rot)
+{
+	double r;
+
+	r = fmod(rot, 90.0);
+
+	if (dir_out != NULL) {
+		int d = pcb_round(rot / 90);
+		if (d < 0)
+			d += 4;
+		*dir_out = d;
+	}
+
+	return (r <= 0.5);
+}
+
 void pcb_text_init(void)
 {
 	pcb_event_bind(PCB_EVENT_FONT_CHANGED, pcb_text_font_chg, NULL, text_cookie);
Index: trunk/src/obj_text.h
===================================================================
--- trunk/src/obj_text.h	(revision 19580)
+++ trunk/src/obj_text.h	(revision 19581)
@@ -76,6 +76,10 @@
    directly under data - useful e.g. on parent attr change */
 void pcb_text_dyn_bbox_update(pcb_data_t *data);
 
+/* Return the old direction value (n*90 deg rotation) for text rotation value.
+   Returns false if has a rounding error greater than 0.5 deg */
+pcb_bool pcb_text_old_direction(int *dir_out, double rot);
+
 /* hash and eq */
 int pcb_text_eq(const pcb_host_trans_t *tr1, const pcb_text_t *t1, const pcb_host_trans_t *tr2, const pcb_text_t *t2);
 unsigned int pcb_text_hash(const pcb_host_trans_t *tr, const pcb_text_t *t);