{
mapnik::geometry::polygon<std::int64_t> p0;
p0.exterior_ring.add_coord(0,0);
p0.exterior_ring.add_coord(0,10);
p0.exterior_ring.add_coord(-10,10);
p0.exterior_ring.add_coord(-10,0);
p0.exterior_ring.add_coord(0,0);
std::int32_t x = 0;
std::int32_t y = 0;
std::string feature_str;
protozero::pbf_writer feature_writer(feature_str);
vector_tile::Tile_Feature feature;
REQUIRE(mapnik::vector_tile_impl::encode_geometry_pbf(p0, feature_writer, x, y));
feature.ParseFromString(feature_str);
REQUIRE(feature.type() == vector_tile::Tile_GeomType_POLYGON);
// MoveTo, ParameterInteger, ParameterInteger
// LineTo, ParameterInteger, ParameterInteger, ParameterInteger, ParameterInteger, ParameterInteger, ParameterInteger
// Close
// 3 commands + 8 Params = 11
REQUIRE(feature.geometry_size() == 11);
// MoveTo(0,0)
CHECK(feature.geometry(0) == ((1 << 3) | 1u)); // 9
CHECK(feature.geometry(1) == 0);
CHECK(feature.geometry(2) == 0);
// LineTo(0,10)
CHECK(feature.geometry(3) == ((3 << 3) | 2u));
CHECK(feature.geometry(4) == 0);
CHECK(feature.geometry(5) == 20);
// LineTo(-10,10)
feature.add_geometry((3 << 3u) | 2u);
feature.add_geometry(protozero::encode_zigzag32(1));
feature.add_geometry(protozero::encode_zigzag32(1));
// LineTo(10,10)
feature.add_geometry(protozero::encode_zigzag32(8));
feature.add_geometry(protozero::encode_zigzag32(8));
// LineTo(0,10)
feature.add_geometry(protozero::encode_zigzag32(-10));
feature.add_geometry(protozero::encode_zigzag32(0));
std::string feature_string = feature.SerializeAsString();
mapnik::vector_tile_impl::GeometryPBF geoms = feature_to_pbf_geometry(feature_string);
SECTION("VT Spec v1")
{
auto geom = mapnik::vector_tile_impl::decode_geometry<double>(geoms, feature.type(), 1, 0.0, 0.0, 1.0, 1.0);
std::string wkt0;
CHECK( test_utils::to_wkt(wkt0,geom) );
CHECK( wkt0 == "LINESTRING(1 1,2 2,10 10,0 10)");
CHECK( geom.is<mapnik::geometry::line_string<double> >() );
}
SECTION("VT Spec v2")
{
auto geom = mapnik::vector_tile_impl::decode_geometry<double>(geoms, feature.type(), 2, 0.0, 0.0, 1.0, 1.0);
std::string wkt0;
CHECK( test_utils::to_wkt(wkt0,geom) );
CHECK( wkt0 == "LINESTRING(1 1,2 2,10 10,0 10)");
CHECK( geom.is<mapnik::geometry::line_string<double> >() );
}
}
