Returns a glib.hash_table.HashTable with a list of all the options that may have been attached to the pixbuf when it was loaded, or that may have been attached by another function using gdkpixbuf.pixbuf.Pixbuf.setOption.
a #GHashTable of key/values pairs
Returns a glib.hash_table.HashTable with a list of all the options that may have been attached to the pixbuf when it was loaded, or that may have been attached by another function using gdkpixbuf.pixbuf.Pixbuf.setOption.