--- a/src/primitives.cpp Tue Feb 14 15:11:33 2017 +0200 +++ b/src/primitives.cpp Tue Feb 14 15:21:34 2017 +0200 @@ -28,6 +28,7 @@ #include "linetypes/conditionaledge.h" #include "linetypes/edgeline.h" #include "linetypes/empty.h" +#include "linetypes/quadrilateral.h" #include "linetypes/triangle.h" PrimitiveManager::PrimitiveManager(QObject* parent) :