43 lines
986 B
C++
43 lines
986 B
C++
#include "catch.hpp"
|
|
|
|
#include <mapnik/geometry/polylabel.hpp>
|
|
|
|
TEST_CASE("polylabel") {
|
|
|
|
SECTION("empty polygon") {
|
|
|
|
mapnik::geometry::polygon<double> poly;
|
|
mapnik::geometry::point<double> pt;
|
|
|
|
CHECK(!mapnik::geometry::polylabel(poly, 1.0, pt));
|
|
}
|
|
|
|
SECTION("empty exterior ring") {
|
|
|
|
mapnik::geometry::polygon<double> poly;
|
|
poly.emplace_back();
|
|
|
|
mapnik::geometry::point<double> pt;
|
|
|
|
CHECK(!mapnik::geometry::polylabel(poly, 1.0, pt));
|
|
}
|
|
|
|
SECTION("polylabel with 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::polylabel(poly, 1.0, pt));
|
|
CHECK(pt.x == Approx(0));
|
|
CHECK(pt.y == Approx(0));
|
|
}
|
|
|
|
}
|