void save_view3(image_view<image_data_32> const& view, std::string const& filename, std::string const& type, mapnik::rgba_palette const& pal) { save_to_file(view,filename,type,pal); }
void save_to_file3(mapnik::image_32 const& im, std::string const& filename, std::string const& type, mapnik::rgba_palette const& pal) { save_to_file(im,filename,type,pal); }
void save_to_file2(mapnik::image_32 const& im, std::string const& filename, std::string const& type) { save_to_file(im,filename,type); }
void save_view2(image_view<image_data_32> const& view, std::string const& filename, std::string const& type) { save_to_file(view,filename,type); }