-Background::write(lisp::Writer& writer)
-{
- writer.start_list("background");
-
- if (image_top.get() != NULL)
- writer.write_string("image-top", imagefile_top);
-
- writer.write_string("image", imagefile);
- if (image_bottom.get() != NULL)
- writer.write_string("image-bottom", imagefile_bottom);
-
- writer.write_float("speed", speed);
- writer.write_float("speed-y", speed_y);
- writer.write_int("layer", layer);
-
- writer.end_list("background");
-}
-
-void