Index: trunk/src/obj_pstk.h
===================================================================
--- trunk/src/obj_pstk.h	(revision 19530)
+++ trunk/src/obj_pstk.h	(revision 19531)
@@ -191,6 +191,10 @@
    for the new shape. If dst_idx is -1, allocate the new shape */
 void pcb_pstk_shape_derive(pcb_pstk_proto_t *proto, int dst_idx, int src_idx, pcb_coord_t bloat, pcb_layer_type_t mask, pcb_layer_combining_t comb);
 
+/* Create a new hshadow shape (in all transformed shape as well) */
+void pcb_pstk_shape_add_hshadow(pcb_pstk_proto_t *proto, pcb_layer_type_t mask, pcb_layer_combining_t comb);
+
+
 /* Look up the shape index corresponding to a lty/comb; returns -1 if not found/empty */
 int pcb_pstk_get_shape_idx(pcb_pstk_tshape_t *ts, pcb_layer_type_t lyt, pcb_layer_combining_t comb);
 
Index: trunk/src/obj_pstk_proto.c
===================================================================
--- trunk/src/obj_pstk_proto.c	(revision 19530)
+++ trunk/src/obj_pstk_proto.c	(revision 19531)
@@ -1016,7 +1016,23 @@
 	pcb_pstk_proto_update(proto);
 }
 
+void pcb_pstk_shape_add_hshadow(pcb_pstk_proto_t *proto, pcb_layer_type_t mask, pcb_layer_combining_t comb)
+{
+	int n;
 
+	/* do the same on all shapes of all transformed variants */
+	for(n = 0; n < proto->tr.used; n++) {
+		int d = proto->tr.array[n].len;
+		proto->tr.array[n].len++;
+		proto->tr.array[n].shape = realloc(proto->tr.array[n].shape, proto->tr.array[n].len * sizeof(proto->tr.array[n].shape[0]));
+		proto->tr.array[n].shape[d].shape = PCB_PSSH_HSHADOW;
+		proto->tr.array[n].shape[d].layer_mask = mask;
+		proto->tr.array[n].shape[d].comb = comb;
+	}
+	pcb_pstk_proto_update(proto);
+}
+
+
 static void pcb_pstk_tshape_del_idx(pcb_pstk_tshape_t *shp, int idx)
 {
 	int n;