+ bool can_reference_text (TextType type, std::string &) const;
+
+ void set_cpl (std::string id);
+
+ boost::optional<std::string> cpl () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _cpl;
+ }
+
+ std::string name () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _name;
+ }
+
+ bool three_d () const {
+ boost::mutex::scoped_lock lm (_mutex);
+ return _three_d;
+ }