cache_set_image  7709 imlib2.c         rb_define_singleton_method(mCache, "image=", cache_set_image, 1);
cache_set_image  7711 imlib2.c         rb_define_singleton_method(mCache, "image_cache=", cache_set_image, 1);
cache_set_image  7713 imlib2.c         rb_define_singleton_method(mCache, "set_image_cache", cache_set_image, 1);