register_stock_icon (factory, GTK_STOCK_ORIENTATION_LANDSCAPE);
register_stock_icon (factory, GTK_STOCK_ORIENTATION_REVERSE_PORTRAIT);
register_stock_icon (factory, GTK_STOCK_ORIENTATION_REVERSE_LANDSCAPE);
register_stock_icon (factory, GTK_STOCK_ORIENTATION_LANDSCAPE);
register_stock_icon (factory, GTK_STOCK_ORIENTATION_REVERSE_PORTRAIT);
register_stock_icon (factory, GTK_STOCK_ORIENTATION_REVERSE_LANDSCAPE);