1 files changed, 13 insertions, 2 deletions
diff --git a/source/blender/freestyle/intern/stroke/StyleModule.h b/source/blender/freestyle/intern/stroke/StyleModule.h
index c023ad7517b..5bdb54cf16c 100755
--- a/source/blender/freestyle/intern/stroke/StyleModule.h
+++ b/source/blender/freestyle/intern/stroke/StyleModule.h
@@ -54,7 +54,7 @@ public:
     _inter = inter;
   }
 
-  ~StyleModule() {}
+  virtual ~StyleModule() {}
 
   StrokeLayer* execute() {
     if (!_inter) {
@@ -69,7 +69,7 @@ public:
 
     Operators::reset();
 
-    if( _inter->interpretFile(_file_name) ) {
+    if( interpret() ) {
       cerr << "Error: interpretation failed" << endl;
       return NULL;
 	}
@@ -89,6 +89,14 @@ public:
    return sl;
   }
 
+protected:
+
+  virtual int interpret() {
+    return _inter->interpretFile(_file_name);
+  }
+
+public:
+
   // accessors
 
   const string getFileName() const {
@@ -151,6 +159,9 @@ private:
   bool		_drawable;
   bool		_modified;
   bool		_displayed;
+
+protected:
+
   Interpreter*	_inter;
 };