cgal/Shape_regularization/test/Shape_regularization/test_directions_longest.cpp

54 lines
1.7 KiB
C++

#include "include/Saver.h"
#include <CGAL/Simple_cartesian.h>
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/Shape_regularization/Contours/Longest_direction_2.h>
namespace SR = CGAL::Shape_regularization;
template<class Traits>
void test_directions_longest() {
using Point_2 = typename Traits::Point_2;
using Direction_2 = typename Traits::Direction_2;
using Contour = std::vector<Point_2>;
using Saver = SR::Tests::Saver<Traits>;
using LD = SR::Contours::Longest_direction_2<Traits, Contour>;
Saver saver;;
const Contour contour = {
Point_2(0, 0), Point_2(2, 0),
Point_2(2, 1), Point_2(1, 1)
};
assert(contour.size() == 4);
// saver.export_closed_contour(contour, "dl_input", 100);
const bool is_closed = true;
LD closed_directions(contour, is_closed);
LD open_directions(contour, !is_closed);
const std::size_t num_closed_directions =
closed_directions.number_of_directions();
const std::size_t num_open_directions =
open_directions.number_of_directions();
assert(num_closed_directions == 1);
assert(num_closed_directions == num_open_directions);
const auto& closed_dirs = closed_directions.get_directions();
const auto& open_dirs = open_directions.get_directions();
assert(closed_dirs[0] == open_dirs[0]);
assert(closed_dirs[0] == Direction_2(contour[1] - contour[0]));
}
int main() {
test_directions_longest< CGAL::Simple_cartesian<double> >();
test_directions_longest< CGAL::Exact_predicates_inexact_constructions_kernel >();
test_directions_longest< CGAL::Exact_predicates_exact_constructions_kernel >();
std::cout << "test_directions_longest: SUCCESS" << std::endl;
return EXIT_SUCCESS;
}