File indexing completed on 2024-11-10 03:33:24

0001 // SPDX-License-Identifier: LGPL-2.1-or-later
0002 //
0003 // SPDX-FileCopyrightText: 2014 Dennis Nienhüser <nienhueser@kde.org>
0004 //
0005 
0006 #ifndef SQUAD_INTERPOLATION
0007 #define SQUAD_INTERPOLATION
0008 
0009 #include <marble/MarbleWidget.h>
0010 #include <marble/MarbleMap.h>
0011 #include <marble/MarbleModel.h>
0012 #include <marble/GeoPainter.h>
0013 #include <marble/GeoDataLineString.h>
0014 #include <marble/LayerInterface.h>
0015 
0016 #include <QApplication>
0017 
0018 namespace Marble {
0019 
0020 class MyPaintLayer : public QObject, public LayerInterface
0021 {
0022     Q_OBJECT
0023 
0024 public:
0025     // Constructor
0026     explicit MyPaintLayer( MarbleWidget* widget );
0027 
0028     // LayerInterface
0029     QStringList renderPosition() const override;
0030     bool render( GeoPainter *painter, ViewportParams *viewport,
0031                 const QString &renderPos, GeoSceneLayer *layer) override;
0032     GeoDataLatLonBox center() const;
0033 
0034 private Q_SLOTS:
0035     void addInterpolatedPoint();
0036 
0037 private:
0038     void addRandomCity( double minDistanceKm=500, double maxDistanceKm=1500 );
0039     static GeoDataCoordinates basePoint( const GeoDataCoordinates &q1, const GeoDataCoordinates &q2, const GeoDataCoordinates &q3 );
0040 
0041     MarbleWidget* m_widget;
0042     GeoDataLineString m_cities;
0043     GeoDataLineString m_interpolated;
0044     double m_fraction;
0045     double m_delta;
0046     int m_index;
0047 };
0048 
0049 }
0050 
0051 #endif // SQUAD_INTERPOLATION