Accessor          552 librender/agg/Renderer_agg.cpp typedef agg::image_accessor_clone<SourceFormat> Accessor;
Accessor          558 librender/agg/Renderer_agg.cpp typedef agg::span_image_filter_rgb_nn<Accessor, Interpolator>
Accessor          561 librender/agg/Renderer_agg.cpp typedef agg::span_image_filter_rgb_bilinear<Accessor, Interpolator>