66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
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#include "catch.hpp"
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#include <iostream>
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#include <mapnik/geometry.hpp>
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#include <mapnik/geometry_adapters.hpp>
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#include <mapnik/geometry_centroid.hpp>
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#include <vector>
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#include <algorithm>
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TEST_CASE("labeling") {
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SECTION("algorithms") {
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try
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{
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// reused these for simplicity
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mapnik::geometry::point<double> centroid;
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{
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// single point
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mapnik::geometry::point<double> pt(10,10);
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REQUIRE( mapnik::geometry::centroid(pt, centroid));
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REQUIRE( pt.x == centroid.x);
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REQUIRE( pt.y == centroid.y);
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}
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// linestring with three consecutive verticies
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{
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mapnik::geometry::line_string<double> line;
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line.add_coord(0, 0);
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line.add_coord(25, 25);
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line.add_coord(50, 50);
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REQUIRE(mapnik::geometry::centroid(line, centroid));
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REQUIRE( centroid.x == 25 );
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REQUIRE( centroid.y == 25 );
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}
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// TODO - centroid and interior should be equal but they appear not to be (check largest)
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// MULTIPOLYGON(((-52 40,-60 32,-68 40,-60 48,-52 40)),((-60 50,-80 30,-100 49.9999999999999,-80.0000000000001 70,-60 50)),((-52 60,-60 52,-68 60,-60 68,-52 60)))
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#if 0
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// hit tests
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{
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mapnik::geometry_type pt_hit(mapnik::geometry::geometry_types::Point);
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pt_hit.move_to(10,10);
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mapnik::vertex_adapter va(pt_hit);
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REQUIRE( mapnik::label::hit_test(va, 10, 10, 0.1) );
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REQUIRE( !mapnik::label::hit_test(va, 9, 9, 0) );
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REQUIRE( mapnik::label::hit_test(va, 9, 9, 1.5) );
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}
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{
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mapnik::geometry_type line_hit(mapnik::geometry::geometry_types::LineString);
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line_hit.move_to(0,0);
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line_hit.line_to(50,50);
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mapnik::vertex_adapter va(line_hit);
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REQUIRE( mapnik::label::hit_test(va, 0, 0, 0.001) );
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REQUIRE( !mapnik::label::hit_test(va, 1, 1, 0) );
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REQUIRE( mapnik::label::hit_test(va, 1, 1, 1.001) );
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}
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#endif
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}
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catch (std::exception const & ex)
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{
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std::clog << ex.what() << "\n";
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REQUIRE(false);
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}
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}
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}
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