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36#ifndef QGEOCAMERATILES_P_P_H
37#define QGEOCAMERATILES_P_P_H
38
39//
40// W A R N I N G
41// -------------
42//
43// This file is not part of the Qt API. It exists purely as an
44// implementation detail. This header file may change from version to
45// version without notice, or even be removed.
46//
47// We mean it.
48//
49
50#include "qgeocameratiles_p.h"
51#include <QtPositioning/private/qwebmercator_p.h>
52#include <QtPositioning/private/qdoublevector2d_p.h>
53#include <QtPositioning/private/qdoublevector3d_p.h>
54#include "qgeomaptype_p.h"
55#include "qgeocameradata_p.h"
56#include "qgeotilespec_p.h"
57
58#include <QtCore/qvector.h>
59#include <QtCore/qset.h>
60
61QT_BEGIN_NAMESPACE
62
63struct Q_LOCATION_PRIVATE_EXPORT Frustum
64{
65 QDoubleVector3D apex;
66 QDoubleVector3D topLeftNear;
67 QDoubleVector3D topLeftFar;
68 QDoubleVector3D topRightNear;
69 QDoubleVector3D topRightFar;
70 QDoubleVector3D bottomLeftNear;
71 QDoubleVector3D bottomLeftFar;
72 QDoubleVector3D bottomRightNear;
73 QDoubleVector3D bottomRightFar;
74};
75
76typedef QVector<QDoubleVector3D> PolygonVector;
77
78class Q_LOCATION_PRIVATE_EXPORT QGeoCameraTilesPrivate
79{
80public:
81 struct ClippedFootprint
82 {
83 ClippedFootprint()
84 {}
85 ClippedFootprint(const PolygonVector &left_, const PolygonVector &mid_, const PolygonVector &right_)
86 : left(left_), mid(mid_), right(right_)
87 {}
88 PolygonVector left;
89 PolygonVector mid;
90 PolygonVector right;
91 };
92
93 struct TileMap
94 {
95 TileMap();
96
97 void add(int tileX, int tileY);
98
99 QMap<int, QPair<int, int> > data;
100 };
101
102 QGeoCameraTilesPrivate();
103 ~QGeoCameraTilesPrivate();
104
105
106 void updateMetadata();
107 void updateGeometry();
108
109 Frustum createFrustum(double viewExpansion) const;
110 PolygonVector frustumFootprint(const Frustum &frustum) const;
111
112 QPair<PolygonVector, PolygonVector> splitPolygonAtAxisValue(const PolygonVector &polygon, int axis, double value) const;
113 ClippedFootprint clipFootprintToMap(const PolygonVector &footprint) const;
114
115 QList<QPair<double, int> > tileIntersections(double p1, int t1, double p2, int t2) const;
116 QSet<QGeoTileSpec> tilesFromPolygon(const PolygonVector &polygon) const;
117
118 static QGeoCameraTilesPrivate *get(QGeoCameraTiles *o) {
119 return o->d_ptr.data();
120 }
121
122public:
123 QString m_pluginString;
124 QGeoMapType m_mapType;
125 int m_mapVersion;
126 QGeoCameraData m_camera;
127 QSize m_screenSize;
128 QRectF m_visibleArea;
129 int m_tileSize;
130 QSet<QGeoTileSpec> m_tiles;
131
132 int m_intZoomLevel;
133 int m_sideLength;
134 bool m_dirtyGeometry;
135 bool m_dirtyMetadata;
136 double m_viewExpansion;
137
138#ifdef QT_LOCATION_DEBUG
139 // updateGeometry
140 ClippedFootprint m_clippedFootprint;
141 PolygonVector m_frustumFootprint;
142 Frustum m_frustum;
143
144 // createFrustum
145 mutable QDoubleVector3D m_createFrustum_center;
146 mutable QDoubleVector3D m_createFrustum_eye;
147#endif
148};
149
150QT_END_NAMESPACE
151
152#endif // QGEOCAMERATILES_P_P_H
153

source code of qtlocation/src/location/maps/qgeocameratiles_p_p.h