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
|
#include "catch.hpp"
#include <mapnik/geometry/interior.hpp>
TEST_CASE("polygon interior")
{
SECTION("empty polygon")
{
mapnik::geometry::polygon<double> poly;
mapnik::geometry::point<double> pt;
CHECK(!mapnik::geometry::interior(poly, 1.0, pt));
}
SECTION("empty exterior ring")
{
mapnik::geometry::polygon<double> poly;
poly.emplace_back();
mapnik::geometry::point<double> pt;
CHECK(!mapnik::geometry::interior(poly, 1.0, pt));
}
SECTION("interior of a square")
{
mapnik::geometry::polygon<double> poly;
poly.emplace_back();
auto& exterior_ring = poly.front();
exterior_ring.emplace_back(-1, -1);
exterior_ring.emplace_back(1, -1);
exterior_ring.emplace_back(1, 1);
exterior_ring.emplace_back(-1, 1);
exterior_ring.emplace_back(-1, -1);
mapnik::geometry::point<double> pt{-3, -3};
CHECK(mapnik::geometry::interior(poly, 1.0, pt));
CHECK(pt.x == Approx(0));
CHECK(pt.y == Approx(0));
}
}
|
