108 lines
3.7 KiB
C++
108 lines
3.7 KiB
C++
#include "catch.hpp"
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#include <mapnik/geometry.hpp>
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#include <mapnik/hit_test_filter.hpp>
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#include <mapnik/geometry/correct.hpp>
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TEST_CASE("geometry ops")
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{
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SECTION("hit_test_filter - double")
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{
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using namespace mapnik::geometry;
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{
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geometry<double> geom(point<double>(0, 0));
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REQUIRE(mapnik::hit_test(geom, 0, 0, 0));
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}
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{
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geometry<double> geom(point<double>(0, 0));
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REQUIRE(mapnik::hit_test(geom, 1, 0, 1));
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}
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{
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geometry<double> geom(point<double>(0, 0));
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REQUIRE(mapnik::hit_test(geom, 0, 1, 1));
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}
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{
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geometry<double> geom(point<double>(0, 0));
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REQUIRE(mapnik::hit_test(geom, 1, 1, 1.5));
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}
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{
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line_string<double> line;
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line.emplace_back(0, 0);
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line.emplace_back(1, 1);
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line.emplace_back(2, 2);
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geometry<double> geom(line);
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REQUIRE(mapnik::hit_test(geom, 0, 0, 1.5));
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}
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{
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line_string<double> line;
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line.emplace_back(0, 0);
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line.emplace_back(1, 1);
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line.emplace_back(2, 2);
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multi_line_string<double> multi_line;
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multi_line.emplace_back(std::move(line));
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geometry<double> geom(multi_line);
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REQUIRE(mapnik::hit_test(geom, 0, 0, 1.5));
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}
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{
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polygon<double> poly;
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linear_ring<double> ring;
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ring.emplace_back(0, 0);
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ring.emplace_back(-10, 0);
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ring.emplace_back(-10, 10);
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ring.emplace_back(0, 10);
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ring.emplace_back(0, 0);
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poly.push_back(std::move(ring));
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geometry<double> geom(poly);
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REQUIRE(mapnik::hit_test(geom, -5, 5, 0));
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multi_polygon<double> mp;
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mp.push_back(poly);
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geometry<double> geom_mp(mp);
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REQUIRE(mapnik::hit_test(geom_mp, -5, 5, 0));
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correct(geom);
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REQUIRE(mapnik::hit_test(geom, -5, 5, 0));
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correct(geom_mp);
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REQUIRE(mapnik::hit_test(geom_mp, -5, 5, 0));
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geometry_collection<double> gc;
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REQUIRE(!mapnik::hit_test(geometry<double>(gc), -5, 5, 0));
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gc.push_back(geom_mp);
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REQUIRE(mapnik::hit_test(geometry<double>(gc), -5, 5, 0));
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REQUIRE(!mapnik::hit_test(geometry<double>(gc), -50, -50, 0));
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gc.emplace_back(point<double>(-50, -50));
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REQUIRE(mapnik::hit_test(geometry<double>(gc), -50, -50, 0));
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}
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{
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// polygon with hole
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polygon<double> poly;
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linear_ring<double> ring;
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ring.emplace_back(0, 0);
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ring.emplace_back(-10, 0);
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ring.emplace_back(-10, 10);
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ring.emplace_back(0, 10);
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ring.emplace_back(0, 0);
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poly.push_back(std::move(ring));
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linear_ring<double> hole;
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hole.emplace_back(-7, 7);
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hole.emplace_back(-7, 3);
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hole.emplace_back(-3, 3);
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hole.emplace_back(-3, 7);
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hole.emplace_back(-7, 7);
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poly.push_back(std::move(hole));
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geometry<double> geom(poly);
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REQUIRE(!mapnik::hit_test(geom, -5, 5, 0));
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// add another hole inside the first hole
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// which should be considered a hit
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linear_ring<double> fill;
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fill.emplace_back(-6, 4);
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fill.emplace_back(-6, 6);
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fill.emplace_back(-4, 6);
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fill.emplace_back(-4, 4);
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fill.emplace_back(-6, 4);
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poly.push_back(std::move(fill));
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REQUIRE(mapnik::hit_test(geometry<double>(poly), -5, 5, 0));
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}
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}
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}
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