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Added various has_duplicate_points() checks, to be used by asserts.

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Removed some "extern" function modifiers, they have no meaning in C++.
This commit is contained in:
Vojtech Bubnik 2021-09-24 14:07:46 +02:00
parent 7eea15fdde
commit fec5d92bc8
7 changed files with 183 additions and 27 deletions
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39
src/libslic3r/ClipperUtils.cpp
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@ -126,6 +126,45 @@ ExPolygons ClipperPaths_to_Slic3rExPolygons(const ClipperLib::Paths &input)
return PolyTreeToExPolygons(std::move(polytree));
}
#if 0
// Global test.
bool has_duplicate_points(const ClipperLib::PolyTree &polytree)
{
struct Helper {
static void collect_points_recursive(const ClipperLib::PolyNode &polynode, ClipperLib::Path &out) {
// For each hole of the current expolygon:
out.insert(out.end(), polynode.Contour.begin(), polynode.Contour.end());
for (int i = 0; i < polynode.ChildCount(); ++ i)
collect_points_recursive(*polynode.Childs[i], out);
}
};
ClipperLib::Path pts;
for (int i = 0; i < polytree.ChildCount(); ++ i)
Helper::collect_points_recursive(*polytree.Childs[i], pts);
return has_duplicate_points(std::move(pts));
}
#else
// Local test inside each of the contours.
bool has_duplicate_points(const ClipperLib::PolyTree &polytree)
{
struct Helper {
static bool has_duplicate_points_recursive(const ClipperLib::PolyNode &polynode) {
if (has_duplicate_points(polynode.Contour))
return true;
for (int i = 0; i < polynode.ChildCount(); ++ i)
if (has_duplicate_points_recursive(*polynode.Childs[i]))
return true;
return false;
}
};
ClipperLib::Path pts;
for (int i = 0; i < polytree.ChildCount(); ++ i)
if (Helper::has_duplicate_points_recursive(*polytree.Childs[i]))
return true;
return false;
}
#endif
// Offset outside by 10um, one by one.
template<typename PathsProvider>
static ClipperLib::Paths safety_offset(PathsProvider &&paths)