+void vik_trw_layer_draw_highlight ( VikTrwLayer *vtl, VikViewport *vvp );
+void vik_trw_layer_draw_highlight_item ( VikTrwLayer *vtl, VikTrack *trk, VikWaypoint *wpt, VikViewport *vvp );
+void vik_trw_layer_draw_highlight_items ( VikTrwLayer *vtl, GHashTable *trks, GHashTable *wpts, VikViewport *vvp );
+