+#include <QPixmap>
+
+class QWidget;
+class QLayout;
+
+namespace ModuleBase_Tools {
+
+/*
+ * Methods to adjust margins and spacings.
+ */
+MODULEBASE_EXPORT void adjustMargins(QWidget* theWidget);
+MODULEBASE_EXPORT void adjustMargins(QLayout* theLayout);
+
+MODULEBASE_EXPORT void zeroMargins(QWidget* theWidget);
+MODULEBASE_EXPORT void zeroMargins(QLayout* theLayout);
+
+
+/**
+ * \ingroup GUI
+ * Methods to modify a resource pixmap
+ */