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use unordered_map for proj_transform caching

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This commit is contained in:
Artem Pavlenko 2021-02-01 10:57:52 +00:00
parent 5c086b0cd5
commit e5c182591a
1 changed files with 4 additions and 3 deletions
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7
include/mapnik/map.hpp
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@ -41,7 +41,7 @@ MAPNIK_DISABLE_WARNING_PUSH
MAPNIK_DISABLE_WARNING_POP
// stl
#include <map>
#include <unordered_map>
#include <memory>
#include <vector>
#include <string>
@ -57,6 +57,7 @@ class layer;
class MAPNIK_DECL Map : boost::equality_comparable<Map>
{
using proj_cache_type = std::unordered_map<std::string, std::unique_ptr<proj_transform>>;
public:
enum aspect_fix_mode
@ -104,7 +105,7 @@ private:
boost::optional<std::string> font_directory_;
freetype_engine::font_file_mapping_type font_file_mapping_;
freetype_engine::font_memory_cache_type font_memory_cache_;
mutable std::map<std::string, std::unique_ptr<proj_transform>> proj_cache_;
mutable proj_cache_type proj_cache_;
public:
using const_style_iterator = std::map<std::string,feature_type_style>::const_iterator;
@ -502,7 +503,7 @@ public:
{
return font_memory_cache_;
}
std::map<std::string, std::unique_ptr<proj_transform>> & proj_cache() const
proj_cache_type& proj_cache() const
{
return proj_cache_;
}