virtual ValueBase get_param(const String & param)const;
virtual Color get_color(Context context, const Point &pos)const;
virtual void set_time(Context context, Time time)const;
virtual ValueBase get_param(const String & param)const;
virtual Color get_color(Context context, const Point &pos)const;
virtual void set_time(Context context, Time time)const;
virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
virtual Vocab get_param_vocab()const;
virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
virtual Vocab get_param_vocab()const;