117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
#include "catch.hpp"
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#include <mapnik/transform_path_adapter.hpp>
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#include <mapnik/geometry/correct.hpp>
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#include <mapnik/vertex_adapters.hpp>
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#include <mapnik/transform_path_adapter.hpp>
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#include <mapnik/view_transform.hpp>
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#include <mapnik/proj_transform.hpp>
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#include <mapnik/projection.hpp>
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TEST_CASE("transform_path_adapter") {
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SECTION("polygon closing - epsg 2330") {
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mapnik::geometry::polygon<double> g;
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g.emplace_back();
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auto & exterior = g.back();
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exterior.emplace_back(88.1844308217992, 69.3553916041731);
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exterior.emplace_back(88.1846166524913, 69.3552821191223);
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exterior.emplace_back(88.1845090893871, 69.3553454342903);
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exterior.emplace_back(88.1844308217992, 69.3553916041731);
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using va_type = mapnik::geometry::polygon_vertex_adapter<double>;
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using path_type = mapnik::transform_path_adapter<mapnik::view_transform, va_type>;
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va_type va(g);
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mapnik::box2d<double> extent(16310607, 7704513, 16310621, 7704527);
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mapnik::view_transform tr(512, 512, extent);
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mapnik::projection proj1("epsg:2330");
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mapnik::projection proj2("epsg:4326");
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mapnik::proj_transform prj_trans(proj1, proj2);
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path_type path(tr, va, prj_trans);
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double x,y;
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unsigned cmd;
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cmd = path.vertex(&x, &y);
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CHECK( cmd == mapnik::SEG_MOVETO );
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CHECK( x == Approx(110.4328050613) );
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CHECK( y == Approx(20.2204537392) );
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cmd = path.vertex(&x, &y);
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CHECK( cmd == mapnik::SEG_LINETO );
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CHECK( x == Approx(342.1220560074) );
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CHECK( y == Approx(486.732225963) );
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cmd = path.vertex(&x, &y);
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CHECK( cmd == mapnik::SEG_LINETO );
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CHECK( x == Approx(207.9962329183) );
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CHECK( y == Approx(216.9376912798) );
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// close
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cmd = path.vertex(&x, &y);
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CHECK( cmd == mapnik::SEG_CLOSE );
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CHECK( x == 0 );
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CHECK( y == 0 );
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// end
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cmd = path.vertex(&x, &y);
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CHECK( cmd == mapnik::SEG_END );
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CHECK( x == 0 );
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CHECK( y == 0 );
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}
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SECTION("polygon closing - epsg 32633") {
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mapnik::geometry::polygon<double> g;
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g.emplace_back();
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auto & exterior = g.back();
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exterior.emplace_back(13, 13);
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exterior.emplace_back(14, 13);
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exterior.emplace_back(14, 14);
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exterior.emplace_back(14, 14);
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using va_type = mapnik::geometry::polygon_vertex_adapter<double>;
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using path_type = mapnik::transform_path_adapter<mapnik::view_transform, va_type>;
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va_type va(g);
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mapnik::box2d<double> extent(166022, 0, 833978, 9329005);
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mapnik::view_transform tr(512, 512, extent);
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mapnik::projection proj1("epsg:32633");
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mapnik::projection proj2("epsg:4326");
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mapnik::proj_transform prj_trans(proj1, proj2);
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path_type path(tr, va, prj_trans);
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double x,y;
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unsigned cmd;
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cmd = path.vertex(&x, &y);
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CHECK( cmd == mapnik::SEG_MOVETO );
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CHECK( x == Approx(89.7250280748) );
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CHECK( y == Approx(433.0795069885) );
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cmd = path.vertex(&x, &y);
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CHECK( cmd == mapnik::SEG_LINETO );
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CHECK( x == Approx(172.873973465) );
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CHECK( y == Approx(433.1145779929) );
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cmd = path.vertex(&x, &y);
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CHECK( cmd == mapnik::SEG_LINETO );
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CHECK( x == Approx(173.2194366775) );
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CHECK( y == Approx(427.0442504759) );
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// close
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cmd = path.vertex(&x, &y);
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CHECK( cmd == mapnik::SEG_CLOSE );
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CHECK( x == 0 );
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CHECK( y == 0 );
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// end
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cmd = path.vertex(&x, &y);
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CHECK( cmd == mapnik::SEG_END );
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CHECK( x == 0 );
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CHECK( y == 0 );
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}
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}
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