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Fixing the broken rasterizer.

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Paths and holes cannot be added separately.
This commit is contained in:
tamasmeszaros 2019-04-01 12:15:47 +02:00
parent 4eb5d91a8f
commit 2baa651f1e
3 changed files with 61 additions and 18 deletions
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21
src/libnest2d/include/libnest2d/backends/clipper/geometries.hpp
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@ -331,8 +331,15 @@ inline std::vector<PolygonImpl> clipper_execute(
auto processPoly = [&retv, &processHole](ClipperLib::PolyNode *pptr) {
PolygonImpl poly;
poly.Contour.swap(pptr->Contour); auto front_p = poly.Contour.front();
poly.Contour.emplace_back(std::move(front_p));
poly.Contour.swap(pptr->Contour);
assert(!pptr->IsHole());
if(pptr->IsOpen()) {
auto front_p = poly.Contour.front();
poly.Contour.emplace_back(front_p);
}
for(auto h : pptr->Childs) { processHole(h, poly); }
retv.push_back(poly);
};
@ -340,8 +347,14 @@ inline std::vector<PolygonImpl> clipper_execute(
processHole = [&processPoly](ClipperLib::PolyNode *pptr, PolygonImpl& poly)
{
poly.Holes.emplace_back(std::move(pptr->Contour));
auto front_p = poly.Holes.back().front();
poly.Holes.back().emplace_back(std::move(front_p));
assert(pptr->IsHole());
if(pptr->IsOpen()) {
auto front_p = poly.Holes.back().front();
poly.Holes.back().emplace_back(front_p);
}
for(auto c : pptr->Childs) processPoly(c);
};