162 lines
3.6 KiB
C++
162 lines
3.6 KiB
C++
#include "catch.hpp"
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#include <mapnik/coord.hpp>
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#include <mapnik/box2d.hpp>
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TEST_CASE("box2d") {
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SECTION("coord init") {
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auto c = mapnik::coord2d(100, 100);
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REQUIRE(c.x == 100);
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REQUIRE(c.y == 100);
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}
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SECTION("coord multiplication") {
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auto c = mapnik::coord2d(100, 100);
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c *= 2;
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REQUIRE(c.x == 200);
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REQUIRE(c.y == 200);
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}
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SECTION("envelope init") {
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auto e = mapnik::box2d<double>(100, 100, 200, 200);
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REQUIRE(e.contains(100, 100));
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REQUIRE(e.contains(100, 200));
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REQUIRE(e.contains(200, 200));
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REQUIRE(e.contains(200, 100));
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REQUIRE(e.contains(e.center()));
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REQUIRE(!e.contains(99.9, 99.9));
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REQUIRE(!e.contains(99.9, 200.1));
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REQUIRE(!e.contains(200.1, 200.1));
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REQUIRE(!e.contains(200.1, 99.9));
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REQUIRE(e.width() == 100);
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REQUIRE(e.height() == 100);
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REQUIRE(e.minx() == 100);
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REQUIRE(e.miny() == 100);
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REQUIRE(e.maxx() == 200);
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REQUIRE(e.maxy() == 200);
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REQUIRE(e[0] == 100);
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REQUIRE(e[1] == 100);
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REQUIRE(e[2] == 200);
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REQUIRE(e[3] == 200);
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REQUIRE(e[0] == e[-4]);
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REQUIRE(e[1] == e[-3]);
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REQUIRE(e[2] == e[-2]);
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REQUIRE(e[3] == e[-1]);
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auto c = e.center();
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REQUIRE(c.x == 150);
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REQUIRE(c.y == 150);
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}
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SECTION("envelope static init") {
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auto e = mapnik::box2d<double>(100, 100, 200, 200);
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mapnik::box2d<double> e1, e2, e3;
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REQUIRE(e1.from_string("100 100 200 200"));
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REQUIRE(e2.from_string("100,100,200,200"));
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REQUIRE(e3.from_string("100 , 100 , 200 , 200"));
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REQUIRE(e == e1);
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REQUIRE(e == e2);
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REQUIRE(e == e3);
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}
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SECTION("envelope multiplication") {
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// no width then no impact of multiplication
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{
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auto a = mapnik::box2d<int>(100, 100, 100, 100);
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a *= 5;
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REQUIRE(a.minx() == 100);
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REQUIRE(a.miny() == 100);
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REQUIRE(a.maxx() == 100);
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REQUIRE(a.maxy() == 100);
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}
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{
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auto a = mapnik::box2d<double>(100.0, 100.0, 100.0, 100.0);
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a *= 5;
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REQUIRE(a.minx() == 100);
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REQUIRE(a.miny() == 100);
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REQUIRE(a.maxx() == 100);
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REQUIRE(a.maxy() == 100);
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}
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{
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auto a = mapnik::box2d<double>(100.0, 100.0, 100.001, 100.001);
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a *= 5;
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REQUIRE(a.minx() == Approx( 99.9980));
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REQUIRE(a.miny() == Approx( 99.9980));
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REQUIRE(a.maxx() == Approx(100.0030));
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REQUIRE(a.maxy() == Approx(100.0030));
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}
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{
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auto e = mapnik::box2d<double>(100, 100, 200, 200);
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e *= 2;
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REQUIRE(e.minx() == 50);
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REQUIRE(e.miny() == 50);
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REQUIRE(e.maxx() == 250);
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REQUIRE(e.maxy() == 250);
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REQUIRE(e.contains(50, 50));
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REQUIRE(e.contains(50, 250));
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REQUIRE(e.contains(250, 250));
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REQUIRE(e.contains(250, 50));
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REQUIRE(!e.contains(49.9, 49.9));
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REQUIRE(!e.contains(49.9, 250.1));
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REQUIRE(!e.contains(250.1, 250.1));
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REQUIRE(!e.contains(250.1, 49.9));
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REQUIRE(e.contains(e.center()));
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REQUIRE(e.width() == 200);
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REQUIRE(e.height() == 200);
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REQUIRE(e.minx() == 50);
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REQUIRE(e.miny() == 50);
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REQUIRE(e.maxx() == 250);
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REQUIRE(e.maxy() == 250);
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auto c = e.center();
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REQUIRE(c.x == 150);
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REQUIRE(c.y == 150);
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}
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}
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SECTION("envelope clipping") {
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auto e1 = mapnik::box2d<double>(-180,-90,180,90);
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auto e2 = mapnik::box2d<double>(-120,40,-110,48);
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e1.clip(e2);
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REQUIRE(e1 == e2);
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// madagascar in merc
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e1 = mapnik::box2d<double>(4772116.5490, -2744395.0631, 5765186.4203, -1609458.0673);
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e2 = mapnik::box2d<double>(5124338.3753, -2240522.1727, 5207501.8621, -2130452.8520);
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e1.clip(e2);
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REQUIRE(e1 == e2);
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// nz in lon/lat
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e1 = mapnik::box2d<double>(163.8062, -47.1897, 179.3628, -33.9069);
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e2 = mapnik::box2d<double>(173.7378, -39.6395, 174.4849, -38.9252);
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e1.clip(e2);
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REQUIRE(e1 == e2);
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}
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} // TEST_CASE
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