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renderarea.h

@@ -24,6 +24,9 @@ class RenderArea : public QWidget
 		QColor backgroundColor() const { return mBackgroundColour; }
 		void setShape(ShapesType shape) { mShape = shape; OnShapeChanged(); }
 		ShapesType shape() const { return mShape; }
+		void setInternalLenght(double l);
+		void setScale(double s);
+		void setStepCount(double s);
 
 
 	signals: