--- a/src/basics.h Thu Jan 11 11:41:40 2018 +0200 +++ b/src/basics.h Thu Jan 11 15:09:44 2018 +0200 @@ -18,6 +18,7 @@ #pragma once #include <cmath> +#include <QSize> #include <QString> #include <QObject> #include <QStringList>