diff -r 593a658cba8e -r 73e448b2943d src/objecttypes/polygon.h
--- a/src/objecttypes/polygon.h	Thu Oct 03 11:45:44 2019 +0300
+++ b/src/objecttypes/polygon.h	Thu Oct 03 23:44:28 2019 +0300
@@ -18,6 +18,7 @@
 		Color color_index = colors::main);
 	QVariant getProperty(Property id) const override;
 	SetPropertyResult setProperty(Property id, const QVariant& value) override;
+	QString textRepresentation() const override;
 private:
 	Vertex points[3] = {{}};
 };
@@ -34,6 +35,7 @@
 		Color color_index = colors::main);
 	QVariant getProperty(Property id) const override;
 	SetPropertyResult setProperty(Property id, const QVariant& value) override;
+	QString textRepresentation() const override;
 private:
 	Vertex points[4] = {{}};
 };