Complete Qt6 migration: full clean build green across groups G1-G12 incl. runtime plugin set

new_docker_build.sh gains Group 12 (212 GUI/Data plugins); fixes LtsUtilsGuiDds visibility (LTO-stripped exports), LtsProjectionWorkstation unity name shadow, 6 unity-off dirs (dup file-scope statics, ddsftc INTERFACE sources) and reconfigures BUILD_FILTERMANAGEMENT/BUILD_PLUGINS_SERVICEMONITOR=ON

qt6-after/qt6-migrated-legatus/Lts/Viewer/SituationMap/MapObjects/text.h

@@ -0,0 +1,53 @@
+/**
+  * @RDE_HEADER@
+  * Interface of Text
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  */
+
+#pragma once
+
+#include "abstract_single_point_map_object.h"
+
+//----------------------------------------------------------------------------
+namespace SituationMap
+{
+
+/**
+ * @brief The Polyline class supports polylines.
+ */
+class Text : public virtual AbstractSinglePointMapObject
+{
+
+  using BaseClass = AbstractSinglePointMapObject;
+
+public:
+
+  /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+   * Don't use "= default" because of bug in VS2015 JT 2016/11/7
+   * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+  Text() : BaseClass()  {;}   ///< Contructor
+
+  virtual ~Text() = default;  ///< Destructor
+
+  /**
+  * @brief Set flag 'showAnchorMarker' to switch on additional anchor marker graphic
+  * @return value of flag 'showAnchorPosition'
+  *
+  * If 'showAnchorMarker' is switched on, some additional graphic is drawn to visualize anchor points of text lines. Per default 'showAnchorMarker' is switched off.
+  */
+  virtual void setShowAnchorMarker(bool on) = 0;
+
+  /**
+  * @brief Get flag 'showAnchorPosition'
+  * @return value of flag 'showAnchorMarker'
+  */
+  virtual bool showAnchorMarker() const = 0;
+
+};
+
+
+
+
+} // namespace SituationMap