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Marked the unsafe ClipperUtils offset functions with CLIPPERUTILS_UNSAFE_OFFSET

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Replaced some of the unsafe offset functions with safe variants.
Please test the
1) print bed from STL function
2) concentric infill
This commit is contained in:
Vojtech Bubnik 2021-04-13 13:28:21 +02:00
parent 2791139002
commit c1179fc2c7
8 changed files with 55 additions and 16 deletions
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8
src/libslic3r/Fill/FillConcentric.cpp
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@ -24,11 +24,11 @@ void FillConcentric::_fill_surface_single(
this->spacing = unscale<double>(distance);
}
Polygons loops = to_polygons(std::move(expolygon));
Polygons last = loops;
Polygons loops = to_polygons(expolygon);
ExPolygons last { std::move(expolygon) };
while (! last.empty()) {
last = offset2(last, -(distance + min_spacing/2), +min_spacing/2);
append(loops, last);
last = offset2_ex(last, -(distance + min_spacing/2), +min_spacing/2);
append(loops, to_polygons(last));
}
// generate paths from the outermost to the innermost, to avoid

2
src/libslic3r/Fill/FillLine.cpp
View file

@ -58,7 +58,7 @@ void FillLine::_fill_surface_single(
pts.push_back(it->a);
pts.push_back(it->b);
}
Polylines polylines = intersection_pl(polylines_src, offset(to_polygons(expolygon), scale_(0.02)), false);
Polylines polylines = intersection_pl(polylines_src, offset(expolygon, scale_(0.02)), false);
// FIXME Vojtech: This is only performed for horizontal lines, not for the vertical lines!
const float INFILL_OVERLAP_OVER_SPACING = 0.3f;