+ template<typename T>
+ class RegisteredLoader: public RegisterBase
+ {
+ public:
+ virtual unsigned get_signature_size() const { return T::get_signature_size(); }
+ virtual bool detect(const std::string &s) const { return T::detect(s); }
+ virtual ImageLoader *create(IO::Seekable &io) const { return new T(io); }
+ };
+
+ struct Registry
+ {
+ std::list<RegisterBase *> loaders;
+ bool changed;
+
+ Registry();
+ ~Registry();
+ };
+