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

0001 // SPDX-License-Identifier: LGPL-2.1-or-later
0002 //
0003 // SPDX-FileCopyrightText: 2009 Andrew Manson <g.real.ate@gmail.com>
0004 //
0005 
0006 #ifndef MARBLE_GEOLINESTRINGGRAPHICSITEM_H
0007 #define MARBLE_GEOLINESTRINGGRAPHICSITEM_H
0008 
0009 #include "GeoGraphicsItem.h"
0010 #include "GeoDataCoordinates.h"
0011 #include "GeoDataLineString.h"
0012 #include "MarbleGlobal.h"
0013 #include "marble_export.h"
0014 
0015 #include <QRegion>
0016 
0017 namespace Marble
0018 {
0019 
0020 class GeoDataPlacemark;
0021 
0022 class MARBLE_EXPORT GeoLineStringGraphicsItem : public GeoGraphicsItem
0023 {
0024     Q_DECLARE_TR_FUNCTIONS(GeoLineStringGraphicsItem)
0025 
0026 public:
0027     explicit GeoLineStringGraphicsItem(const GeoDataPlacemark *placemark, const GeoDataLineString *lineString);
0028     ~GeoLineStringGraphicsItem() override;
0029 
0030     void setLineString( const GeoDataLineString* lineString );
0031     const GeoDataLineString* lineString() const;
0032     static GeoDataLineString merge(const QVector<const GeoDataLineString*> &lineStrings);
0033     void setMergedLineString(const GeoDataLineString &sharedLineString);
0034 
0035     const GeoDataLatLonAltBox& latLonAltBox() const override;
0036 
0037     void paint(GeoPainter* painter, const ViewportParams *viewport, const QString &layer, int tileZoomLevel) override;
0038     bool contains(const QPoint &screenPosition, const ViewportParams *viewport) const override;
0039 
0040     static const GeoDataStyle *s_previousStyle;
0041     static bool s_paintInline;
0042     static bool s_paintOutline;
0043 
0044 protected:
0045     void handleRelationUpdate(const QVector<const GeoDataRelation *> &relations) override;
0046 
0047 private:
0048     void paintOutline(GeoPainter *painter, const ViewportParams *viewport) const;
0049     void paintInline(GeoPainter *painter, const ViewportParams *viewport);
0050     void paintLabel(GeoPainter *painter, const ViewportParams *viewport) const;
0051 
0052     bool configurePainterForLine(GeoPainter* painter, const ViewportParams *viewport, const bool isOutline = false) const;
0053     bool configurePainterForLabel(GeoPainter* painter,  const ViewportParams *viewport, LabelPositionFlags &labelPositionFlags) const;
0054 
0055     static bool canMerge(const GeoDataCoordinates &a, const GeoDataCoordinates &b);
0056 
0057     const GeoDataLineString *m_lineString;
0058     const GeoDataLineString *m_renderLineString;
0059     GeoDataLineString m_mergedLineString;
0060     QVector<QPolygonF*> m_cachedPolygons;
0061     bool m_renderLabel;
0062     qreal m_penWidth;
0063     mutable QRegion m_cachedRegion;
0064     QString m_name;
0065 };
0066 
0067 }
0068 
0069 #endif