evas_object_image_size_get(image, &favicon_w, &favicon_h);
favicon_alpha = evas_object_image_alpha_get(image);
favicon_data = evas_object_image_data_get(image, EINA_FALSE);

Evas_Object *new_image = evas_object_image_add(evas);
evas_object_image_data_set(new_image, favicon_data);
evas_object_image_alpha_set(new_image, favicon_alpha);
evas_object_image_size_set(new_image, favicon_w, favicon_h);