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Fix crash ZAA (#13450)

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fix crash zaa

Co-authored-by: SoftFever <softfeverever@gmail.com>
This commit is contained in:
Rodrigo Faselli
2026-05-04 04:52:34 -03:00
committed by GitHub
parent a3f229f406
commit 1d4c7c56a2
2 changed files with 8 additions and 1 deletions
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6
src/libslic3r/ExtrusionEntity.hpp
View File

@@ -491,7 +491,11 @@ public:
{ Polygons out; this->polygons_covered_by_spacing(out, scaled_epsilon); return out; }
// Minimum volumetric velocity of this extrusion entity. Used by the constant nozzle pressure algorithm.
double min_mm3_per_mm() const override;
Polyline as_polyline() const override { return this->polygon().split_at_first_point(); }
Polyline as_polyline() const override {
if (this->paths.empty() || this->length() <= 0.)
return Polyline();
return this->polygon().split_at_first_point();
}
void collect_polylines(Polylines &dst) const override { Polyline pl = this->as_polyline(); if (! pl.empty()) dst.emplace_back(std::move(pl)); }
void collect_points(Points &dst) const override {
size_t n = std::accumulate(paths.begin(), paths.end(), 0, [](const size_t n, const ExtrusionPath &p){ return n + p.polyline.size(); });

3
src/libslic3r/Polygon.cpp
View File

@@ -38,6 +38,9 @@ Polyline Polygon::split_at_vertex(const Point &point) const
Polyline Polygon::split_at_index(int index) const
{
Polyline polyline;
if (this->points.empty())
return polyline;
polyline.points.reserve(this->points.size() + 1);
for (Points::const_iterator it = this->points.begin() + index; it != this->points.end(); ++it)
polyline.points.push_back(*it);