qgeocameratiles_p_p.h

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// Copyright (C) 2018 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QGEOCAMERATILES_P_P_H

#define QGEOCAMERATILES_P_P_H

//

//  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 "qgeocameratiles_p.h"

#include "qgeomaptype_p.h"

#include "qgeocameradata_p.h"

#include "qgeotilespec_p.h"

#include <QtCore/qlist.h>

#include <QtCore/qset.h>

#include <QtPositioning/private/qwebmercator_p.h>

#include <QtPositioning/private/qdoublevector2d_p.h>

#include <QtPositioning/private/qdoublevector3d_p.h>

QT_BEGIN_NAMESPACE

struct Q_LOCATION_EXPORT Frustum

    QDoubleVector3D apex;

    QDoubleVector3D topLeftNear;

    QDoubleVector3D topLeftFar;

    QDoubleVector3D topRightNear;

    QDoubleVector3D topRightFar;

    QDoubleVector3D bottomLeftNear;

    QDoubleVector3D bottomLeftFar;

    QDoubleVector3D bottomRightNear;

    QDoubleVector3D bottomRightFar;

};

typedef QList<QDoubleVector3D> PolygonVector;

class Q_LOCATION_EXPORT QGeoCameraTilesPrivate

public:

    struct ClippedFootprint

        ClippedFootprint()

{}

        ClippedFootprint(const PolygonVector &left_, const PolygonVector &mid_, const PolygonVector &right_)

            : left(left_), mid(mid_), right(right_)

{}

        PolygonVector left;

        PolygonVector mid;

        PolygonVector right;

};

    struct TileMap

        TileMap();

        void add(int tileX, int tileY);

        QMap<int, QPair<int, int> > data;

};

    void updateMetadata();

    void updateGeometry();

    Frustum createFrustum(double viewExpansion) const;

    PolygonVector frustumFootprint(const Frustum &frustum) const;

    QPair<PolygonVector, PolygonVector> splitPolygonAtAxisValue(const PolygonVector &polygon, int axis, double value) const;

    ClippedFootprint clipFootprintToMap(const PolygonVector &footprint) const;

    QList<QPair<double, int> > tileIntersections(double p1, int t1, double p2, int t2) const;

    QSet<QGeoTileSpec> tilesFromPolygon(const PolygonVector &polygon) const;

    static QGeoCameraTilesPrivate *get(QGeoCameraTiles *o) {

        return o->d_ptr.get();

public:

    QString m_pluginString;

    QGeoMapType m_mapType;

    int m_mapVersion = -1;

    QGeoCameraData m_camera;

    QSize m_screenSize;

    QRectF m_visibleArea;

    int m_tileSize = 0;

    QSet<QGeoTileSpec> m_tiles;

    int m_intZoomLevel = 0;

    int m_sideLength = 1;

    bool m_dirtyGeometry = false;

    bool m_dirtyMetadata = false;

    double m_viewExpansion = 1.0;

#ifdef QT_LOCATION_DEBUG

    // updateGeometry

    ClippedFootprint m_clippedFootprint;

    PolygonVector m_frustumFootprint;

    Frustum m_frustum;

    // createFrustum

    mutable QDoubleVector3D m_createFrustum_center;

    mutable QDoubleVector3D m_createFrustum_eye;

#endif

};

QT_END_NAMESPACE

#endif // QGEOCAMERATILES_P_P_H