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Adapted BoundingBox get_extents(const ExPolygons &expolygons)

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to work even with empty polygons.
This commit is contained in:
bubnikv 2017-04-05 09:52:06 +02:00
parent 555560f63c
commit 74b95e9152
1 changed files with 3 additions and 3 deletions
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6
xs/src/libslic3r/ExPolygon.cpp
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@ -553,9 +553,9 @@ BoundingBox get_extents(const ExPolygons &expolygons)
{
BoundingBox bbox;
if (! expolygons.empty()) {
bbox = get_extents(expolygons.front());
for (size_t i = 1; i < expolygons.size(); ++ i)
bbox.merge(get_extents(expolygons[i]));
for (size_t i = 0; i < expolygons.size(); ++ i)
if (! expolygons[i].contour.points.empty())
bbox.merge(get_extents(expolygons[i]));
}
return bbox;
}