43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
|
#include <catch2/catch.hpp>
|
||
|
|
|
||
|
|
#include "test_data.hpp"
|
||
|
|
#include "clipper/clipper_z.hpp"
|
||
|
|
|
||
|
|
using namespace Slic3r;
|
||
|
|
|
||
|
|
// Test case for an issue with duplicity vertices (same XY coordinates but differ in Z coordinates) in Clipper 6.2.9,
|
||
|
|
// (related to https://sourceforge.net/p/polyclipping/bugs/160/) that was fixed in Clipper 6.4.2.
|
||
|
|
SCENARIO("Clipper Z", "[ClipperZ]")
|
||
|
|
{
|
||
|
|
ClipperLib_Z::Path subject;
|
||
|
|
|
||
|
|
subject.emplace_back(-2000, -1000, 10);
|
||
|
|
subject.emplace_back(-2000, 1000, 10);
|
||
|
|
subject.emplace_back( 2000, 1000, 10);
|
||
|
|
subject.emplace_back( 2000, -1000, 10);
|
||
|
|
|
||
|
|
ClipperLib_Z::Path clip;
|
||
|
|
clip.emplace_back(-1000, -2000, -5);
|
||
|
|
clip.emplace_back(-1000, 2000, -5);
|
||
|
|
clip.emplace_back( 1000, 2000, -5);
|
||
|
|
clip.emplace_back( 1000, -2000, -5);
|
||
|
|
|
||
|
|
ClipperLib_Z::Clipper clipper;
|
||
|
|
clipper.ZFillFunction([](const ClipperLib_Z::IntPoint &e1bot, const ClipperLib_Z::IntPoint &e1top, const ClipperLib_Z::IntPoint &e2bot,
|
||
|
|
const ClipperLib_Z::IntPoint &e2top, ClipperLib_Z::IntPoint &pt) {
|
||
|
|
pt.z() = 1;
|
||
|
|
});
|
||
|
|
|
||
|
|
clipper.AddPath(subject, ClipperLib_Z::ptSubject, false);
|
||
|
|
clipper.AddPath(clip, ClipperLib_Z::ptClip, true);
|
||
|
|
|
||
|
|
ClipperLib_Z::PolyTree polytree;
|
||
|
|
ClipperLib_Z::Paths paths;
|
||
|
|
clipper.Execute(ClipperLib_Z::ctIntersection, polytree, ClipperLib_Z::pftNonZero, ClipperLib_Z::pftNonZero);
|
||
|
|
ClipperLib_Z::PolyTreeToPaths(polytree, paths);
|
||
|
|
|
||
|
|
REQUIRE(paths.size() == 1);
|
||
|
|
REQUIRE(paths.front().size() == 2);
|
||
|
|
for (const ClipperLib_Z::IntPoint &pt : paths.front())
|
||
|
|
REQUIRE(pt.z() == 1);
|
||
|
|
}
|