Initial commit

Lts/Viewer/SituationMap/Map/viewpoint2D.h

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+/**
+  * @RDE_HEADER@
+  * Class Viewpoint2D
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  */
+
+#pragma once
+
+// Own
+#include "situation_map_types.h"
+#include <Common/situation_map_logging.h>
+#include <situation_map_export.h>
+
+// Qt
+#include <QString>
+
+class QJsonObject;
+
+//----------------------------------------------------------------------------
+namespace SituationMap
+{
+
+//----------------------------------------------------------------------------
+// for 2D:
+class SITUATIONMAP_EXPORT Viewpoint2D
+{
+public:
+  static constexpr double defaultScale = 999999.9;
+
+  Viewpoint2D(const QPointF &centerGeo = QPointF(), double scale = defaultScale, double rotation = 0);
+
+  bool isNull() const;
+
+  void resetViewpoint();
+
+  QPointF centerGeo() const;
+  void setCenterGeo(const QPointF &centerGeo);
+
+  double scale() const;
+  void setScale(double scale);
+
+  double rotation() const;
+  void setRotation(double rotation);
+
+  static Viewpoint2D read(const QJsonObject &json);
+  QJsonObject toJsonObject() const;
+
+  QString toString() const;
+
+protected:
+  QPointF m_centerGeo;                  ///< lon, lat
+  double  m_scale    = defaultScale;    // '0' may lead to an ESRI exception. Try to avoid and use another value
+  double  m_rotation = 0;               ///< absoluteAngleDegrees
+};
+//----------------------------------------------------------------------------
+
+SITUATIONMAP_EXPORT std::ostream &operator<< (std::ostream &stream,
+                                              const SituationMap::Viewpoint2D &value);
+
+
+
+} // namespace SituationMap
+