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unit test - vertex-last marker placement

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Jiri Drbalek 2017-05-24 11:56:11 +00:00
parent 0781f230be
commit c7561c1dc9
1 changed files with 126 additions and 0 deletions
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test/unit/symbolizer/marker_placement_vertex_last.cpp Normal file
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#include "catch.hpp"
#include <mapnik/vertex_adapters.hpp>
#include <mapnik/label_collision_detector.hpp>
#include <mapnik/markers_placements/vertext_last.hpp>
using namespace mapnik;
TEST_CASE("marker placement vertex last") {
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_vertex_last_placement<va_type, detector_type>;
mapnik::markers_placement_params params {
mapnik::box2d<double>(0, 0, 10, 10),
agg::trans_affine(),
0, 0, false, false, DIRECTION_AUTO };
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_vertex_last_placement<va_type, detector_type>;
mapnik::markers_placement_params params {
mapnik::box2d<double>(0, 0, 10, 10),
agg::trans_affine(),
0, 0, false, false, DIRECTION_AUTO };
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, 3.0);
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_vertex_last_placement<va_type, detector_type>;
mapnik::markers_placement_params params {
mapnik::box2d<double>(0, 0, 10, 10),
agg::trans_affine(),
0, 0, false, false, DIRECTION_AUTO };
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(1.1071487178) );
CHECK( !placement.get_point(x, y, angle, true) );
}
SECTION("polygon") {
mapnik::geometry::polygon<double> g;
g.emplace_back();
auto & exterior = g.back();
exterior.emplace_back(2.0, 3.0);
exterior.emplace_back(1.0, 1.0);
exterior.emplace_back(0.0, 2.0);
exterior.emplace_back(2.0, 3.0);
using va_type = mapnik::geometry::polygon_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_vertex_last_placement<va_type, detector_type>;
mapnik::markers_placement_params params {
mapnik::box2d<double>(0, 0, 10, 10),
agg::trans_affine(),
0, 0, false, false, DIRECTION_AUTO };
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(0.463647609) );
CHECK( !placement.get_point(x, y, angle, true) );
}
}