gdouble zoom);
gint pixbuf_renderer_get_tiles(PixbufRenderer *pr);
+/* move image data from source to pr, source is then set to NULL image */
+
+void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source);
+
/* update region of existing image */
void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height);