unsigned get_font_size() const { return font_size; }
const GL::Color &get_font_color() const { return font_color; }
const PartSeq &get_parts() const { return parts; }
unsigned get_font_size() const { return font_size; }
const GL::Color &get_font_color() const { return font_color; }
const PartSeq &get_parts() const { return parts; }