Implement filter "F12: Topologically connected Faces"

[modules/shaper.git] / src / ModelAPI / ModelAPI_Filter.h

diff --git a/src/ModelAPI/ModelAPI_Filter.h b/src/ModelAPI/ModelAPI_Filter.h
index 05b85f6b60a033ddc5bce267afd02294b1901f4b..4adeec43261d103ce4a0d486916ed2b1781f6145 100644 (file)
--- a/src/ModelAPI/ModelAPI_Filter.h
+++ b/src/ModelAPI/ModelAPI_Filter.h
@@ -33,6 +33,8 @@
 class ModelAPI_Filter
 {
 public:
+  virtual ~ModelAPI_Filter() {}
+
   /// Returns name of the filter to represent it in GUI
   virtual const std::string& name() const = 0;
 
@@ -56,10 +58,9 @@ public:
   /// not redefined.
   virtual void initAttributes(ModelAPI_FiltersArgs& theArguments) {}
 
-protected:
   /// Returns XML string which represents GUI of the filter
   /// by reading corresponding XML file.
-  MODELAPI_EXPORT std::string xmlFromFile(const std::string& theConfigFile) const;
+  MODELAPI_EXPORT virtual std::string xmlFromFile(const std::string& theConfigFile) const;
 
 private:
   bool myIsReverse;