- timepoints_ref &vals);
-void recurse_layer(synfig::Layer::Handle layer, const std::set<synfig::Time> &tlist,
- timepoints_ref &vals);
-void recurse_canvas(synfig::Canvas::Handle canvas, const std::set<synfig::Time> &tlist,
- timepoints_ref &vals);
+ timepoints_ref &vals, synfig::Time time = 0);
+void recurse_layer(synfig::Layer::Handle layer, const std::set<synfig::Time> &tlist,
+ timepoints_ref &vals, synfig::Time time = 0);
+void recurse_canvas(synfig::Canvas::Handle canvas, const std::set<synfig::Time> &tlist,
+ timepoints_ref &vals, synfig::Time time = 0);