+ static void removePlacementFactory(const std::string& type);
+
+ /**
+ * Set global SystemAdapter for all Canvas/ODGauge instances.
+ *
+ * The SystemAdapter is responsible for application specific operations
+ * like loading images/fonts and adding/removing cameras to the scene
+ * graph.
+ */
+ static void setSystemAdapter(const SystemAdapterPtr& system_adapter);
+ static SystemAdapterPtr getSystemAdapter();