GeoLineStringGraphicsItem.h

// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2009 Andrew Manson <g.real.ate@gmail.com>
//
 
#ifndef MARBLE_GEOLINESTRINGGRAPHICSITEM_H
#define MARBLE_GEOLINESTRINGGRAPHICSITEM_H
 
#include "GeoDataCoordinates.h"
#include "GeoDataLineString.h"
#include "GeoGraphicsItem.h"
#include "MarbleGlobal.h"
#include "marble_export.h"
 
#include <QRegion>
 
namespace Marble
{
 
class GeoDataPlacemark;
 
class MARBLE_EXPORT GeoLineStringGraphicsItem : public GeoGraphicsItem
{
    Q_DECLARE_TR_FUNCTIONS(GeoLineStringGraphicsItem)
 
public:
    explicit GeoLineStringGraphicsItem(const GeoDataPlacemark *placemark, const GeoDataLineString *lineString);
    ~GeoLineStringGraphicsItem() override;
 
    void setLineString(const GeoDataLineString *lineString);
    const GeoDataLineString *lineString() const;
    static GeoDataLineString merge(const QList<const GeoDataLineString *> &lineStrings);
    void setMergedLineString(const GeoDataLineString &sharedLineString);
 
    const GeoDataLatLonAltBox &latLonAltBox() const override;
 
    void paint(GeoPainter *painter, const ViewportParams *viewport, const QString &layer, int tileZoomLevel) override;
    bool contains(const QPoint &screenPosition, const ViewportParams *viewport) const override;
 
    static const GeoDataStyle *s_previousStyle;
    static bool s_paintInline;
    static bool s_paintOutline;
 
protected:
    void handleRelationUpdate(const QList<const GeoDataRelation *> &relations) override;
 
private:
    void paintOutline(GeoPainter *painter, const ViewportParams *viewport) const;
    void paintInline(GeoPainter *painter, const ViewportParams *viewport);
    void paintLabel(GeoPainter *painter, const ViewportParams *viewport) const;
 
    bool configurePainterForLine(GeoPainter *painter, const ViewportParams *viewport, const bool isOutline = false) const;
    bool configurePainterForLabel(GeoPainter *painter, const ViewportParams *viewport, LabelPositionFlags &labelPositionFlags) const;
 
    static bool canMerge(const GeoDataCoordinates &a, const GeoDataCoordinates &b);
 
    const GeoDataLineString *m_lineString;
    const GeoDataLineString *m_renderLineString;
    GeoDataLineString m_mergedLineString;
    QList<QPolygonF *> m_cachedPolygons;
    bool m_renderLabel;
    qreal m_penWidth;
    mutable QRegion m_cachedRegion;
    QString m_name;
};
 
}
 
#endif