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FIX: brim generation error in XY compensation and first layer fixing

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now, when XY compensation with negative value is assigned, the brim can be
generated correctly (Studio-2222). In addition, one can add brim to a model whose
first layer is empty while second layer is not empty (studio-1286).

Change-Id: I28443dc6e28bc6fff8c92d3cc35ab7a416d43138
(cherry picked from commit cb62afcfd295ca93962d99350d1dfaf3441c4759)
This commit is contained in:
wintergua 2023-02-10 16:56:32 +08:00 • committed by Lane.Wei
parent e994cd02e2
commit 4536ed9ae2
3 changed files with 170 additions and 133 deletions
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4
src/libslic3r/Brim.cpp
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@ -1519,10 +1519,10 @@ Polygons tryExPolygonOffset(const ExPolygons islandAreaEx, const Print& print)
for (ExPolygon& poly_ex : islands_ex)
poly_ex.douglas_peucker(resolution);
polygons_append(loops, to_polygons(islands_ex));
islands_ex = offset_ex(std::move(islands_ex), -1.4f*float(flow.scaled_spacing()), jtRound, resolution);
islands_ex = offset_ex(std::move(islands_ex), -1.3f*float(flow.scaled_spacing()), jtRound, resolution);
for (ExPolygon& poly_ex : islands_ex)
poly_ex.douglas_peucker(resolution);
islands_ex = offset_ex(std::move(islands_ex), 0.4f*float(flow.scaled_spacing()), jtRound, resolution);
islands_ex = offset_ex(std::move(islands_ex), 0.3f*float(flow.scaled_spacing()), jtRound, resolution);
}
return loops;
}