virtual void set_text(const std::string& text) = 0;
virtual void set_font(const std::string& fontname) = 0;
virtual void fade_in(float fadetime) = 0;
virtual void fade_out(float fadetime) = 0;
virtual void set_visible(bool visible) = 0;
virtual void set_centered(bool centered) = 0;
virtual void set_text(const std::string& text) = 0;
virtual void set_font(const std::string& fontname) = 0;
virtual void fade_in(float fadetime) = 0;
virtual void fade_out(float fadetime) = 0;
virtual void set_visible(bool visible) = 0;
virtual void set_centered(bool centered) = 0;
+ virtual void set_pos(float x, float y) = 0;
+ virtual float get_pos_x() = 0;
+ virtual float get_pos_y() = 0;
+ virtual void set_anchor_point(int anchor) = 0;
+ virtual int get_anchor_point() = 0;