///
virtual void setBackgroundColor(LColor_color);
///
LColor_color backgroundColor() const;
/// set x/y drawing position cache
void setPosCache(PainterInfo const &, int, int) const;
///
virtual void setBackgroundColor(LColor_color);
///
LColor_color backgroundColor() const;
/// set x/y drawing position cache
void setPosCache(PainterInfo const &, int, int) const;