1 files changed, 25 insertions, 1 deletions
diff --git a/include/basegfx/polygon/b2dpolygon.hxx b/include/basegfx/polygon/b2dpolygon.hxx
index 6ef76933eebe..a1766bd09ffb 100644
--- a/include/basegfx/polygon/b2dpolygon.hxx
+++ b/include/basegfx/polygon/b2dpolygon.hxx
@@ -21,7 +21,7 @@
 #define INCLUDED_BASEGFX_POLYGON_B2DPOLYGON_HXX
 
 #include <ostream>
-
+#include <memory>
 #include <sal/types.h>
 #include <o3tl/cow_wrapper.hxx>
 #include <basegfx/vector/b2enums.hxx>
@@ -29,6 +29,7 @@
 #include <basegfx/basegfxdllapi.h>
 
 class ImplB2DPolygon;
+class SalGraphicsImpl;
 
 namespace basegfx
 {
@@ -37,6 +38,9 @@ namespace basegfx
     class B2DVector;
     class B2DHomMatrix;
     class B2DCubicBezier;
+    class SystemDependentData;
+    class SystemDependentDataManager;
+    typedef std::shared_ptr<SystemDependentData> SystemDependentData_SharedPtr;
 }
 
 namespace basegfx
@@ -214,6 +218,26 @@ namespace basegfx
 
         /// apply transformation given in matrix form
         void transform(const basegfx::B2DHomMatrix& rMatrix);
+
+        // exclusive management op's for SystemDependentData at B2DPolygon
+        template<class T>
+        std::shared_ptr<T> getSystemDependentData() const
+        {
+            return std::static_pointer_cast<T>(getSystemDependantDataInternal(typeid(T).hash_code()));
+        }
+
+        template<class T, class... Args>
+        std::shared_ptr<T> addOrReplaceSystemDependentData(SystemDependentDataManager& manager, Args&&... args) const
+        {
+            std::shared_ptr<T> r = std::make_shared<T>(manager, std::forward<Args>(args)...);
+            basegfx::SystemDependentData_SharedPtr r2(r);
+            addOrReplaceSystemDependentDataInternal(r2);
+            return r;
+        }
+
+    private:
+        void addOrReplaceSystemDependentDataInternal(SystemDependentData_SharedPtr& rData) const;
+        SystemDependentData_SharedPtr getSystemDependantDataInternal(size_t hash_code) const;
     };
 
     // typedef for a vector of B2DPolygons