/* Experimentally found value, works for png and jpeg at least. 8 bytes
is not enough for Quartz to recognize png. */
static unsigned get_signature_size() { return 12; }
static bool detect(const std::string &);
/* Experimentally found value, works for png and jpeg at least. 8 bytes
is not enough for Quartz to recognize png. */
static unsigned get_signature_size() { return 12; }
static bool detect(const std::string &);