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Include thin walls in general top-level perimeter sorting to get more efficient paths

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This commit is contained in:
Alessandro Ranellucci 2014-03-09 20:19:30 +01:00
parent 2a73ab988f
commit 7f5442265e
11 changed files with 130 additions and 94 deletions
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24
xs/src/ExtrusionEntity.cpp
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@ -54,22 +54,22 @@ ExtrusionPath::last_point() const
return new Point(this->polyline.points.back());
}
ExtrusionEntityCollection*
ExtrusionPath::intersect_expolygons(ExPolygonCollection* collection) const
void
ExtrusionPath::intersect_expolygons(const ExPolygonCollection &collection, ExtrusionEntityCollection* retval) const
{
// perform clipping
Polylines clipped;
intersection(this->polyline, *collection, clipped);
return this->_inflate_collection(clipped);
intersection(this->polyline, collection, clipped);
return this->_inflate_collection(clipped, retval);
}
ExtrusionEntityCollection*
ExtrusionPath::subtract_expolygons(ExPolygonCollection* collection) const
void
ExtrusionPath::subtract_expolygons(const ExPolygonCollection &collection, ExtrusionEntityCollection* retval) const
{
// perform clipping
Polylines clipped;
diff(this->polyline, *collection, clipped);
return this->_inflate_collection(clipped);
diff(this->polyline, collection, clipped);
return this->_inflate_collection(clipped, retval);
}
void
@ -90,16 +90,14 @@ ExtrusionPath::length() const
return this->polyline.length();
}
ExtrusionEntityCollection*
ExtrusionPath::_inflate_collection(const Polylines &polylines) const
void
ExtrusionPath::_inflate_collection(const Polylines &polylines, ExtrusionEntityCollection* collection) const
{
ExtrusionEntityCollection* retval = new ExtrusionEntityCollection();
for (Polylines::const_iterator it = polylines.begin(); it != polylines.end(); ++it) {
ExtrusionPath* path = this->clone();
path->polyline = *it;
retval->entities.push_back(path);
collection->entities.push_back(path);
}
return retval;
}
ExtrusionLoop*