Esempi in C++ (Cpp) per geometry_container::front

Esempio n. 1

File: geometry_to_ds_type.hpp Progetto: Andrey-VI/mapnik

 static inline void to_ds_type(mapnik::geometry_container const& paths,
                 boost::optional<mapnik::datasource::geometry_t> & result)
 {
     if (paths.size() == 1)
     {
         result.reset(static_cast<mapnik::datasource::geometry_t>(paths.front().type()));
     }
     else if (paths.size() > 1)
     {
         int multi_type = 0;
         for (auto const& geom : paths)
         {
             int type = static_cast<int>(geom.type());
             if (multi_type > 0 && multi_type != type)
             {
                 result.reset(datasource::Collection);
             }
             multi_type = type;
             result.reset(static_cast<mapnik::datasource::geometry_t>(type));
         }
     }
 }

Esempio n. 2

File: geometry_to_ds_type.hpp Progetto: novldp/mapnik

 void to_ds_type(mapnik::geometry_container const& paths,
                 boost::optional<mapnik::datasource::geometry_t> & result)
 {
     if (paths.size() == 1)
     {
         result.reset(static_cast<mapnik::datasource::geometry_t>(paths.front().type()));
     }
     else if (paths.size() > 1)
     {
         int multi_type = 0;
         geometry_container::const_iterator itr = paths.begin();
         geometry_container::const_iterator end = paths.end();
         for ( ; itr!=end; ++itr)
         {
             int type = static_cast<int>(itr->type());
             if (multi_type > 0 && multi_type != type)
             {
                 result.reset(datasource::Collection);
             }
             multi_type = type;
             result.reset(static_cast<mapnik::datasource::geometry_t>(type));
         }
     }
 }