1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2023-05-15
 * Description : geolocation engine based on Marble.
 *               (c) 2007-2022 Marble Team
 *               https://invent.kde.org/education/marble/-/raw/master/data/credits_authors.html
 *
 * SPDX-FileCopyrightText: 2023-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 *
 * ============================================================ */

#pragma once

// Local includes

#include "AbstractProjection_p.h"

namespace Marble
{

class CylindricalProjection;

class Q_DECL_HIDDEN CylindricalProjectionPrivate : public AbstractProjectionPrivate
{
public:

    explicit CylindricalProjectionPrivate(CylindricalProjection* parent);

    // This method tessellates a line segment in a way that the line segment
    // follows great circles. The count parameter specifies the
    // number of nodes generated for the polygon. If the
    // clampToGround flag is added the polygon contains count + 2
    // nodes as the clamped down start and end node get added.

    int tessellateLineSegment(const GeoDataCoordinates& aCoords,
                              qreal ax, qreal ay,
                              const GeoDataCoordinates& bCoords,
                              qreal bx, qreal by,
                              QVector<QPolygonF*>& polygons,
                              const ViewportParams* viewport,
                              TessellationFlags f = TessellationFlags(),
                              int mirrorCount = 0,
                              qreal repeatDistance = 0) const;

    int processTessellation(const GeoDataCoordinates& previousCoords,
                            const GeoDataCoordinates& currentCoords,
                            int count,
                            QVector<QPolygonF*>& polygons,
                            const ViewportParams* viewport,
                            TessellationFlags f = TessellationFlags(),
                            int mirrorCount = 0,
                            qreal repeatDistance = 0) const;

    static int crossDateLine(const GeoDataCoordinates& aCoord,
                             const GeoDataCoordinates& bCoord,
                             qreal bx,
                             qreal by,
                             QVector<QPolygonF*>& polygons,
                             int mirrorCount = 0,
                             qreal repeatDistance = 0);

    bool lineStringToPolygon(const GeoDataLineString& lineString,
                             const ViewportParams* viewport,
                             QVector<QPolygonF*>& polygons) const;

    static void translatePolygons(const QVector<QPolygonF*>& polygons,
                                  QVector<QPolygonF*>& translatedPolygons,
                                  qreal xOffset);

    void repeatPolygons(const ViewportParams* viewport,
                        QVector<QPolygonF*>& polygons) const;

    qreal repeatDistance(const ViewportParams* viewport) const;


    Q_DECLARE_PUBLIC(CylindricalProjection)<--- Derived function 'CylindricalProjectionPrivate::d_func'

public:

    CylindricalProjection* const q_ptr = nullptr;<--- Derived variable 'CylindricalProjectionPrivate::q_ptr'
};

} // namespace Marble