float calc_supersample(const synfig::Point &x, float pw,float ph)const;
//float halftone_func(synfig::Point x)const;
float calc_supersample(const synfig::Point &x, float pw,float ph)const;
//float halftone_func(synfig::Point x)const;
virtual bool set_param(const synfig::String ¶m, const synfig::ValueBase &value);
virtual synfig::ValueBase get_param(const synfig::String ¶m)const;
virtual synfig::Color get_color(synfig::Context context, const synfig::Point &pos)const;
virtual bool accelerated_render(synfig::Context context,synfig::Surface *surface,int quality, const synfig::RendDesc &renddesc, synfig::ProgressCallback *cb)const;
virtual bool set_param(const synfig::String ¶m, const synfig::ValueBase &value);
virtual synfig::ValueBase get_param(const synfig::String ¶m)const;
virtual synfig::Color get_color(synfig::Context context, const synfig::Point &pos)const;
virtual bool accelerated_render(synfig::Context context,synfig::Surface *surface,int quality, const synfig::RendDesc &renddesc, synfig::ProgressCallback *cb)const;