Initial commit

Lts/Viewer/SituationMap/Map/viewpoint2D.cpp

@@ -0,0 +1,113 @@
+/**
+  * @RDE_HEADER@
+  * Class Viewpoint2D
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  */
+
+// Own
+#include "viewpoint2D.h"
+
+
+// Qt
+#include <QJsonObject>
+
+
+//----------------------------------------------------------------------------
+namespace SituationMap
+{
+
+Viewpoint2D::Viewpoint2D(const QPointF &centerGeo, double scale, double rotation)
+  : m_centerGeo(centerGeo), m_scale(scale), m_rotation(rotation)
+{
+//  Q_ASSERT(scale > 0);
+}
+
+bool Viewpoint2D::isNull() const
+{
+  return m_centerGeo.isNull() && qFuzzyCompare(m_scale, defaultScale) && qFuzzyIsNull(m_rotation);
+  //                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+}
+
+void Viewpoint2D::resetViewpoint()
+{
+  m_centerGeo = QPointF();
+  m_scale    = defaultScale;
+  m_rotation = 0;
+}
+
+QPointF Viewpoint2D::centerGeo() const
+{
+  return m_centerGeo;
+}
+void Viewpoint2D::setCenterGeo(const QPointF &centerGeo)
+{
+  m_centerGeo = centerGeo;
+}
+
+double Viewpoint2D::scale() const
+{
+  return m_scale;
+}
+void Viewpoint2D::setScale(double scale)
+{
+  m_scale = scale;
+}
+
+double Viewpoint2D::rotation() const
+{
+  return m_rotation;
+}
+void Viewpoint2D::setRotation(double rotation)
+{
+  m_rotation = rotation;
+}
+
+Viewpoint2D Viewpoint2D::read(const QJsonObject &json)
+{
+  Viewpoint2D vp;
+  if (json.contains(QLatin1String("centerLon")) && json.contains(QLatin1String("centerLat")))
+  {
+    QPointF centerGeo;
+    centerGeo.rx() = json[QLatin1String("centerLon")].toDouble();
+    centerGeo.ry() = json[QLatin1String("centerLat")].toDouble();
+    vp.setCenterGeo(centerGeo);
+  }
+  if (json.contains(QLatin1String("scale")))
+    vp.setScale(json[QLatin1String("scale")].toDouble());
+
+  if (json.contains(QLatin1String("rotation")))
+    vp.setRotation(json[QLatin1String("rotation")].toDouble());
+  return vp;
+}
+
+QJsonObject Viewpoint2D::toJsonObject() const
+{
+  QJsonObject json;
+  json[QLatin1String("centerLon")] = m_centerGeo.x();
+  json[QLatin1String("centerLat")] = m_centerGeo.y();
+  json[QLatin1String("scale")]     = m_scale;
+  json[QLatin1String("rotation")]  = m_rotation;
+  return json;
+}
+
+QString Viewpoint2D::toString() const
+{
+  QString asString = QStringLiteral("center %1;%2[rad] %3;%4[deg], scale=%5, rotation=%6")
+      .arg(m_centerGeo.x()).arg(m_centerGeo.y())
+      .arg(m_centerGeo.x()*180.0/M_PI).arg(m_centerGeo.y()*180.0/M_PI)
+      .arg(m_scale).arg(m_rotation);
+  return asString;
+}
+
+std::ostream &operator<< (std::ostream &stream,
+                          const SituationMap::Viewpoint2D &value)
+{
+  stream << "Viewpoint2D(" << value.toString() << "): ";
+  return stream;
+}
+
+
+} // namespace SituationMap
+