3DPrinting/PrusaSlicer-NonPlainar
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed long standing bug in elephant foot compensation of holes.

Browse Source
This commit is contained in:
Vojtech Bubnik 2023-04-12 16:17:28 +02:00
parent f4b935b661
commit d3d48e9895
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/libslic3r/ClipperUtils.cpp
View File

@ -1317,8 +1317,12 @@ ExPolygons variable_offset_inner_ex(const ExPolygon &expoly, const std::vector<s
// 2) Offset the holes one by one, collect the results. // 2) Offset the holes one by one, collect the results.
ClipperLib::Paths holes; ClipperLib::Paths holes;
holes.reserve(expoly.holes.size()); holes.reserve(expoly.holes.size());
for (const Polygon& hole : expoly.holes) for (const Polygon &hole : expoly.holes) {
append(holes, fix_after_outer_offset(mittered_offset_path_scaled(hole.points, deltas[1 + &hole - expoly.holes.data()], miter_limit), ClipperLib::pftNegative, false)); ClipperLib::Path offsetted = mittered_offset_path_scaled(hole.points, deltas[1 + &hole - expoly.holes.data()], miter_limit);
// Make it CCW.
std::reverse(offsetted.begin(), offsetted.end());
append(holes, fix_after_outer_offset(offsetted, ClipperLib::pftNegative, false));
}
#ifndef NDEBUG #ifndef NDEBUG
for (auto &c : holes) for (auto &c : holes)
assert(ClipperLib::Area(c) > 0.); assert(ClipperLib::Area(c) > 0.);