summaryrefslogtreecommitdiff
path: root/src/mbgl/util/geometry_util.hpp
blob: 3bdef9f357c76a016c61411670502715f6c1527d (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
#pragma once

#include <array>
#include <mbgl/util/geometry.hpp>

namespace mbgl {

// contains minX, minY, maxX, maxY
template <typename T>
using GeometryBBox = std::array<T, 4>;
const GeometryBBox<int64_t> DefaultWithinBBox = std::array<int64_t, 4>{std::numeric_limits<int64_t>::max(),
                                                                       std::numeric_limits<int64_t>::max(),
                                                                       std::numeric_limits<int64_t>::min(),
                                                                       std::numeric_limits<int64_t>::min()};

const GeometryBBox<double> DefaultDistanceBBox = std::array<double, 4>{std::numeric_limits<double>::infinity(),
                                                                       std::numeric_limits<double>::infinity(),
                                                                       -std::numeric_limits<double>::infinity(),
                                                                       -std::numeric_limits<double>::infinity()};

template <typename T>
void updateBBox(GeometryBBox<T>& bbox, const Point<T>& p);

// check if bbox1 is within bbox2
template <typename T>
bool boxWithinBox(const GeometryBBox<T>& bbox1, const GeometryBBox<T>& bbox2);

template <typename T>
bool segmentIntersectSegment(const Point<T>& a, const Point<T>& b, const Point<T>& c, const Point<T>& d);

template <typename T>
bool rayIntersect(const Point<T>& p, const Point<T>& p1, const Point<T>& p2);

template <typename T>
bool pointOnBoundary(const Point<T>& p, const Point<T>& p1, const Point<T>& p2);

template <typename T>
bool lineIntersectPolygon(const Point<T>& p1, const Point<T>& p2, const Polygon<T>& polygon);

template <typename T>
bool pointWithinPolygon(const Point<T>& point, const Polygon<T>& polygon, bool trueOnBoundary = false);

template <typename T>
bool pointWithinPolygons(const Point<T>& point, const MultiPolygon<T>& polygons, bool trueOnBoundary = false);

template <typename T>
bool lineStringWithinPolygon(const LineString<T>& line, const Polygon<T>& polygon);

template <typename T>
bool lineStringWithinPolygons(const LineString<T>& line, const MultiPolygon<T>& polygons);

} // namespace mbgl