mapnik/test/unit/symbolizer/markers_point_placement.cpp
2022-12-10 16:55:24 +01:00

141 lines
5.2 KiB
C++

#include "catch.hpp"
#include <mapnik/vertex_adapters.hpp>
#include <mapnik/label_collision_detector.hpp>
#include <mapnik/markers_placements/point.hpp>
using namespace mapnik;
TEST_CASE("marker placement point")
{
SECTION("empty geometry")
{
mapnik::geometry::line_string<double> g;
using va_type = mapnik::geometry::line_string_vertex_adapter<double>;
va_type va(g);
using detector_type = mapnik::label_collision_detector4;
detector_type detector(mapnik::box2d<double>(0, 0, 100, 100));
using placement_type = mapnik::markers_point_placement<va_type, detector_type>;
mapnik::markers_placement_params params{mapnik::box2d<double>(0, 0, 10, 10),
agg::trans_affine(),
0,
NAN,
0,
false,
false,
direction_enum::DIRECTION_AUTO,
1.0};
placement_type placement(va, detector, params);
double x, y, angle;
CHECK(!placement.get_point(x, y, angle, true));
}
SECTION("point")
{
mapnik::geometry::point<double> g(2.0, 3.0);
using va_type = mapnik::geometry::point_vertex_adapter<double>;
va_type va(g);
using detector_type = mapnik::label_collision_detector4;
detector_type detector(mapnik::box2d<double>(0, 0, 100, 100));
using placement_type = mapnik::markers_point_placement<va_type, detector_type>;
mapnik::markers_placement_params params{mapnik::box2d<double>(0, 0, 10, 10),
agg::trans_affine(),
0,
NAN,
0,
false,
false,
direction_enum::DIRECTION_AUTO,
1.0};
placement_type placement(va, detector, params);
double x, y, angle;
CHECK(placement.get_point(x, y, angle, true));
CHECK(x == Approx(2.0));
CHECK(y == Approx(3.0));
CHECK(angle == Approx(0.0));
CHECK(!placement.get_point(x, y, angle, true));
}
SECTION("line string")
{
mapnik::geometry::line_string<double> g;
g.emplace_back(1.0, 1.0);
g.emplace_back(2.0, 2.0);
using va_type = mapnik::geometry::line_string_vertex_adapter<double>;
va_type va(g);
using detector_type = mapnik::label_collision_detector4;
detector_type detector(mapnik::box2d<double>(0, 0, 100, 100));
using placement_type = mapnik::markers_point_placement<va_type, detector_type>;
mapnik::markers_placement_params params{mapnik::box2d<double>(0, 0, 10, 10),
agg::trans_affine(),
0,
NAN,
0,
false,
false,
direction_enum::DIRECTION_AUTO,
1.0};
placement_type placement(va, detector, params);
double x, y, angle;
CHECK(placement.get_point(x, y, angle, true));
CHECK(x == Approx(1.5));
CHECK(y == Approx(1.5));
CHECK(angle == Approx(0));
CHECK(!placement.get_point(x, y, angle, true));
}
SECTION("line string zero length")
{
mapnik::geometry::line_string<double> g;
g.emplace_back(1.0, 1.0);
g.emplace_back(1.0, 1.0);
using va_type = mapnik::geometry::line_string_vertex_adapter<double>;
va_type va(g);
using detector_type = mapnik::label_collision_detector4;
detector_type detector(mapnik::box2d<double>(0, 0, 100, 100));
using placement_type = mapnik::markers_point_placement<va_type, detector_type>;
mapnik::markers_placement_params params{mapnik::box2d<double>(0, 0, 10, 10),
agg::trans_affine(),
0,
NAN,
0,
false,
false,
direction_enum::DIRECTION_AUTO,
1.0};
placement_type placement(va, detector, params);
double x, y, angle;
CHECK(placement.get_point(x, y, angle, true));
CHECK(x == Approx(1.0));
CHECK(y == Approx(1.0));
CHECK(angle == Approx(0));
CHECK(!placement.get_point(x, y, angle, true));
}
}