blob: 2f0e4f6fdc3aed10a513cb4103f3cbe3f4c521f2 (
plain)
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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
#ifndef MBGL_UTIL_GEO
#define MBGL_UTIL_GEO
#include <mbgl/util/vec.hpp>
#include <cmath>
namespace mbgl {
class TileID;
using PrecisionPoint = vec2<double>;
struct LatLng {
double latitude = 0;
double longitude = 0;
inline LatLng(double lat = 0, double lon = 0)
: latitude(lat), longitude(lon) {}
inline operator bool() const {
return !(std::isnan(latitude) || std::isnan(longitude));
}
// Constructs a LatLng object with the top left position of the specified tile.
LatLng(const TileID& id);
PrecisionPoint project() const;
};
struct ProjectedMeters {
double northing = 0;
double easting = 0;
inline ProjectedMeters(double n = 0, double e = 0)
: northing(n), easting(e) {}
inline operator bool() const {
return !(std::isnan(northing) || std::isnan(easting));
}
};
struct LatLngBounds {
LatLng sw = {-90, -180};
LatLng ne = {90, 180};
inline LatLngBounds() {}
inline LatLngBounds(const LatLng& sw_, const LatLng& ne_)
: sw(sw_), ne(ne_) {}
static inline LatLngBounds getExtendable() {
LatLngBounds bounds;
return { bounds.ne, bounds.sw };
}
inline operator bool() const {
return sw && ne;
}
// Constructs a LatLngBounds object with the tile's exact boundaries.
LatLngBounds(const TileID& id);
inline void extend(const LatLng& point) {
if (point.latitude < sw.latitude) sw.latitude = point.latitude;
if (point.latitude > ne.latitude) ne.latitude = point.latitude;
if (point.longitude < sw.longitude) sw.longitude = point.longitude;
if (point.longitude > ne.longitude) ne.longitude = point.longitude;
}
inline void extend(const LatLngBounds& bounds) {
extend(bounds.sw);
extend(bounds.ne);
}
inline bool contains(const LatLng& point) const {
return (point.latitude >= sw.latitude &&
point.latitude <= ne.latitude &&
point.longitude >= sw.longitude &&
point.longitude <= ne.longitude);
}
inline bool intersects(const LatLngBounds area) const {
return (area.ne.latitude > sw.latitude &&
area.sw.latitude < ne.latitude &&
area.ne.longitude > sw.longitude &&
area.sw.longitude < ne.longitude);
}
};
struct MetersBounds {
ProjectedMeters sw;
ProjectedMeters ne;
inline MetersBounds(const ProjectedMeters& sw_, const ProjectedMeters& ne_)
: sw(sw_), ne(ne_) {}
inline operator bool() const {
return sw && ne;
}
};
} // namespace mbgl
#endif
|
