File indexing completed on 2024-05-19 03:51:40 

0001 // SPDX-License-Identifier: LGPL-2.1-or-later
0002 //
0003 // SPDX-FileCopyrightText: 2011 Konstantin Oblaukhov <oblaukhov.konstantin@gmail.com>
0004 //
0005 
0006 #ifndef MARBLE_BUILDINGGRAPHICSITEM_H
0007 #define MARBLE_BUILDINGGRAPHICSITEM_H
0008 
0009 #include "AbstractGeoPolygonGraphicsItem.h"
0010 #include "GeoDataCoordinates.h"
0011 
0012 class QPointF;
0013 
0014 namespace Marble
0015 {
0016 
0017 class MARBLE_EXPORT BuildingGraphicsItem : public AbstractGeoPolygonGraphicsItem
0018 {
0019 public:
0020     BuildingGraphicsItem(const GeoDataPlacemark *placemark, const GeoDataBuilding *building);
0021     ~BuildingGraphicsItem() override;
0022 
0023 public:
0024     void paint(GeoPainter* painter, const ViewportParams *viewport, const QString &layer, int tileZoomLevel) override;
0025 
0026 private:
0027     void paintFrame(GeoPainter* painter, const ViewportParams *viewport);
0028 
0029     void paintRoof(GeoPainter* painter, const ViewportParams *viewport);
0030     bool configurePainterForFrame(GeoPainter *painter) const;
0031     void initializeBuildingPainting(const GeoPainter* painter, const ViewportParams *viewport,
0032                                     bool &drawAccurate3D, bool &isCameraAboveBuilding) const;
0033     void updatePolygons(const ViewportParams &viewport,
0034                          QVector<QPolygonF*>& outlinePolygons,
0035                          QVector<QPolygonF*>& innerPolygons,
0036                          bool &hasInnerBoundaries) const;
0037 
0038     QPointF buildingOffset(const QPointF &point, const ViewportParams *viewport, bool* isCameraAboveBuilding = nullptr) const;
0039 
0040     static QPointF centroid(const QPolygonF &polygon, double &area);
0041     static void screenPolygons(const ViewportParams &viewport, const GeoDataPolygon *polygon,
0042                                QVector<QPolygonF*> &polygons,
0043                                QVector<QPolygonF*> &outlines
0044                                );
0045 
0046     bool contains(const QPoint &screenPosition, const ViewportParams *viewport) const override;
0047 
0048 private:
0049     QVector<QPolygonF*> m_cachedOuterPolygons;
0050     QVector<QPolygonF*> m_cachedInnerPolygons;
0051     QVector<QPolygonF*> m_cachedOuterRoofPolygons;
0052     QVector<QPolygonF*> m_cachedInnerRoofPolygons;
0053     bool m_hasInnerBoundaries;
0054 
0055 };
0056 
0057 }
0058 
0059 #endif