2005-12-12  Emmanuel Pacaud <emmanuel.pacaud@univ-poitiers.fr>

	* src/sheet-object-graph.c (sog_gsf_gdk_pixbuf_save): removed.
	(gnm_sog_write_image): use gog_graph_export_image API.
	(sog_cb_save_as): use gog_graph_get_supported_image_formats API.
	Format is an enum now.
	* src/sheet-object-image.c (soi_get_image_fmt): removed. It's in
	goffice now.
	(soi_free_image_fmt): removed.
	(gnm_soi_write_image): use go_image_get_formats_with_pixbuf_saver API.