+inline guint8 convert_color_channel (guint8 src, guint8 alpha);
+void convert_bgra_to_rgba (guint8 const* src,
+ guint8* dst,
+ int width,
+ int height);
+
+Glib::RefPtr<Gdk::Pixbuf> pixbuf_from_ustring (const Glib::ustring& name,
+ Pango::FontDescription* font,
+ int clip_width,
+ int clip_height,
+ Gdk::Color);
+
+void resize_window_to_proportion_of_monitor (Gtk::Window*, int, int);
+
+std::string escape_underscores (std::string const &);
+
+void control_link (PBD::ScopedConnectionList& scl, boost::shared_ptr<PBD::Controllable> c, Gtk::Adjustment& a);
+