public:
Label *Text(const std::string &);
+ Label *Decimal(double n, int prec = 2);
+ Label *Length(double m);
+ Label *Mass(double kg);
+ Label *Percentage(double n);
+ Label *Time(double s);
Label *Font(const graphics::Font &);
Label *Foreground(const glm::vec4 &);
Label *Background(const glm::vec4 &);