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Markers point placement: Add some basic tests

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Raul Marin 2018-05-11 15:39:20 +02:00
parent 0195047d7a
commit 0becc1c5e9
1 changed files with 122 additions and 0 deletions
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test/unit/symbolizer/markers_point_placement.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/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, 0, false, false, 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, 0, false, false, 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, 0, false, false, 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, 0, false, false, 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) );
}
}