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Fix infill anchor missing (#9407)

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* Fix infill anchor missing

* Correctly process cases without fill lines in FillRectilinear::fill_surface_with_multilines()

* Fix infill anchor missing for several other infill patterns

* Fix infill anchor missing for rectilinear and aligned rectilinear infill pattern

---------

Co-authored-by: Noisyfox <timemanager.rick@gmail.com>
This commit is contained in:
Henk 2025-04-23 15:17:19 +02:00 • committed by GitHub
parent d1c2368eee
commit 66cab434b8
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GPG key ID: B5690EEEBB952194
9 changed files with 36 additions and 33 deletions
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25
src/libslic3r/Fill/FillRectilinear.cpp
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@ -2928,7 +2928,7 @@ void make_fill_lines(const ExPolygonWithOffset &poly_with_offset, Point refpt, d
bool FillRectilinear::fill_surface_by_multilines(const Surface *surface, FillParams params, const std::initializer_list<SweepParams> &sweep_params, Polylines &polylines_out)
{
assert(sweep_params.size() > 1);
assert(sweep_params.size() >= 1);
assert(! params.full_infill());
params.density /= double(sweep_params.size());
assert(params.density > 0.0001f && params.density <= 1.f);
@ -2948,12 +2948,14 @@ bool FillRectilinear::fill_surface_by_multilines(const Surface *surface, FillPar
make_fill_lines(ExPolygonWithOffset(poly_with_offset_base, - angle), rotate_vector.second.rotated(-angle), angle, line_width + coord_t(SCALED_EPSILON), line_spacing, coord_t(scale_(sweep.pattern_shift)), fill_lines);
}
if (params.dont_connect() || fill_lines.size() <= 1) {
if (fill_lines.size() > 1)
fill_lines = chain_polylines(std::move(fill_lines));
append(polylines_out, std::move(fill_lines));
} else
connect_infill(std::move(fill_lines), poly_with_offset_base.polygons_outer, get_extents(surface->expolygon.contour), polylines_out, this->spacing, params);
if (!fill_lines.empty()) {
if (params.dont_connect()) {
if (fill_lines.size() > 1)
fill_lines = chain_polylines(std::move(fill_lines));
append(polylines_out, std::move(fill_lines));
} else
connect_infill(std::move(fill_lines), poly_with_offset_base.polygons_outer, get_extents(surface->expolygon.contour), polylines_out, this->spacing, params);
}
return true;
}
@ -2961,8 +2963,13 @@ bool FillRectilinear::fill_surface_by_multilines(const Surface *surface, FillPar
Polylines FillRectilinear::fill_surface(const Surface *surface, const FillParams &params)
{
Polylines polylines_out;
if (! fill_surface_by_lines(surface, params, 0.f, 0.f, polylines_out))
BOOST_LOG_TRIVIAL(error) << "FillRectilinear::fill_surface() failed to fill a region.";
if (params.full_infill()) {
if (!fill_surface_by_lines(surface, params, 0.f, 0.f, polylines_out))
BOOST_LOG_TRIVIAL(error) << "FillRectilinear::fill_surface() fill_surface_by_lines() failed to fill a region.";
} else {
if (!fill_surface_by_multilines(surface, params, {{0.f, 0.f}}, polylines_out))
BOOST_LOG_TRIVIAL(error) << "FillRectilinear::fill_surface() fill_surface_by_multilines() failed to fill a region.";
}
return polylines_out;
}