qt-everywhere-src-5.14.1/qtlocation/src/location/declarativemaps/qdeclarativepolygonmapitem_p.h

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#ifndef QDECLARATIVEPOLYGONMAPITEM
#define QDECLARATIVEPOLYGONMAPITEM

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtLocation/private/qlocationglobal_p.h>
#include <QtLocation/private/qdeclarativegeomapitembase_p.h>
#include <QtLocation/private/qdeclarativepolylinemapitem_p.h>
#include <QtLocation/private/qgeomapitemgeometry_p.h>
#include <QtPositioning/qgeopolygon.h>

#include <QSGGeometryNode>
#include <QSGFlatColorMaterial>

QT_BEGIN_NAMESPACE

class MapPolygonNode;

class Q_LOCATION_PRIVATE_EXPORT QGeoMapPolygonGeometry : public QGeoMapItemGeometry
{
public:
    QGeoMapPolygonGeometry();

    inline void setAssumeSimple(bool value) { assumeSimple_ = value; }

    void updateSourcePoints(const QGeoMap &map,
                            const QList<QDoubleVector2D> &path);

    void updateScreenPoints(const QGeoMap &map, qreal strokeWidth = 0.0);

protected:
    QPainterPath srcPath_;
    bool assumeSimple_;
};

class Q_LOCATION_PRIVATE_EXPORT QDeclarativePolygonMapItem : public QDeclarativeGeoMapItemBase
{
    Q_OBJECT

    Q_PROPERTY(QJSValue path READ path WRITE setPath NOTIFY pathChanged)
    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
    Q_PROPERTY(QDeclarativeMapLineProperties *border READ border CONSTANT)

public:
    explicit QDeclarativePolygonMapItem(QQuickItem *parent = 0);
    ~QDeclarativePolygonMapItem();

    virtual void setMap(QDeclarativeGeoMap *quickMap, QGeoMap *map) override;
    //from QuickItem
    virtual QSGNode *updateMapItemPaintNode(QSGNode *, UpdatePaintNodeData *) override;

    Q_INVOKABLE void addCoordinate(const QGeoCoordinate &coordinate);
    Q_INVOKABLE void removeCoordinate(const QGeoCoordinate &coordinate);

    QJSValue path() const;
    void setPath(const QJSValue &value);

    QColor color() const;
    void setColor(const QColor &color);

    QDeclarativeMapLineProperties *border();

    bool contains(const QPointF &point) const override;
    const QGeoShape &geoShape() const override;
    void setGeoShape(const QGeoShape &shape) override;

Q_SIGNALS:
    void pathChanged();
    void colorChanged(const QColor &color);

protected:
    void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
    void updatePolish() override;

protected Q_SLOTS:
    void markSourceDirtyAndUpdate();
    virtual void afterViewportChanged(const QGeoMapViewportChangeEvent &event) override;

private:
    void regenerateCache();
    void updateCache();

    QGeoPolygon geopath_;
    QList<QDoubleVector2D> geopathProjected_;
    QDeclarativeMapLineProperties border_;
    QColor color_;
    bool dirtyMaterial_;
    QGeoMapPolygonGeometry geometry_;
    QGeoMapPolylineGeometry borderGeometry_;
    bool updatingGeometry_;
};

//////////////////////////////////////////////////////////////////////

class Q_LOCATION_PRIVATE_EXPORT MapPolygonNode : public MapItemGeometryNode
{

public:
    MapPolygonNode();
    ~MapPolygonNode() override;

    void update(const QColor &fillColor, const QColor &borderColor,
                const QGeoMapItemGeometry *fillShape,
                const QGeoMapItemGeometry *borderShape);
private:
    QSGFlatColorMaterial fill_material_;
    MapPolylineNode *border_;
    QSGGeometry geometry_;
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QDeclarativePolygonMapItem)

#endif /* QDECLARATIVEPOLYGONMAPITEM_H_ */