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FIX: the convexhull of first layer is wrong during making skrit

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to avoid integer overflow during the polygon operations in make_brim(),
plateoffset is applied during gcode generation. This results in a wrong
first layer convexhull "m_first_layer_convex_hull" which is used in _make_skrit().
This patch fixs this issue.

JIRA: https://jira.bambooolab.com/browse/STUDIO-3719
Change-Id: Icfe21f4dbab05cc9e1c6f668791a62f954c2e0e5
(cherry picked from commit 6286b3e447b7ac7cbc061dca435091094783f74b)
This commit is contained in:
wintergua 2023-07-19 15:31:15 +08:00 • committed by Lane.Wei
parent c52365cec3
commit 7430700b8e
2 changed files with 8 additions and 1 deletions
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2
src/libslic3r/Print.cpp
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@ -1731,7 +1731,7 @@ void Print::process(bool use_cache)
// BBS: m_brimMap and m_supportBrimMap are used instead of m_brim to generate brim of objs and supports seperately
m_brimMap.clear();
m_supportBrimMap.clear();
m_first_layer_convex_hull.points.clear();
m_first_layer_convex_hull.points.clear(); // BBS: plate offset is contained in this convexhull
if (this->has_brim()) {
Polygons islands_area;
make_brim(*this, this->make_try_cancel(), islands_area, m_brimMap,