/**
  * @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