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Clipper / ClipperUtils:

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1) Let Clipper use int32_t for representing its coordinates. This
   reduces memory and allows to skip conversion between Slic3r Polygon
   and Clipper polygon.
2) Disable additional offset before executing the Clipper Offset algorithm.
   We don't see any reason for that and it required 64bit Clipper coordinates,
   which were disabled with 1).
This commit is contained in:
Vojtech Bubnik
2021-04-13 11:31:54 +02:00
parent dbd1c09523
commit e8643125d8
5 changed files with 155 additions and 41 deletions
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2
src/libslic3r/Geometry.cpp
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@@ -1087,11 +1087,13 @@ bool
MedialAxis::validate_edge(const VD::edge_type* edge)
{
// prevent overflows and detect almost-infinite edges
#ifndef CLIPPERLIB_INT32
if (std::abs(edge->vertex0()->x()) > double(CLIPPER_MAX_COORD_UNSCALED) ||
std::abs(edge->vertex0()->y()) > double(CLIPPER_MAX_COORD_UNSCALED) ||
std::abs(edge->vertex1()->x()) > double(CLIPPER_MAX_COORD_UNSCALED) ||
std::abs(edge->vertex1()->y()) > double(CLIPPER_MAX_COORD_UNSCALED))
return false;
#endif // CLIPPERLIB_INT32
// construct the line representing this edge of the Voronoi diagram
const Line line(