~ProxyRender();
void to_proxy_path(char *new_path, Indexable *indexable, int scale);
static int from_proxy_path(char *new_path, Indexable *indexable, int scale);
~ProxyRender();
void to_proxy_path(char *new_path, Indexable *indexable, int scale);
static int from_proxy_path(char *new_path, Indexable *indexable, int scale);