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Ported intersect_expolygons() and subtract_expolygons() to XS

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This commit is contained in:
Alessandro Ranellucci 2013-11-21 17:53:50 +01:00
parent 5f81292f3f
commit 761f261a68
11 changed files with 95 additions and 29 deletions
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33
xs/src/ExtrusionEntity.cpp
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@ -1,4 +1,7 @@
#include "ExtrusionEntity.hpp"
#include "ExtrusionEntityCollection.hpp"
#include "ExPolygonCollection.hpp"
#include "ClipperUtils.hpp"
namespace Slic3r {
@ -26,6 +29,36 @@ ExtrusionPath::last_point() const
return new Point(this->polyline.points.back());
}
ExtrusionEntityCollection*
ExtrusionPath::intersect_expolygons(ExPolygonCollection* collection) const
{
// perform clipping
Polylines clipped;
intersection(this->polyline, *collection, clipped);
return this->_inflate_collection(clipped);
}
ExtrusionEntityCollection*
ExtrusionPath::subtract_expolygons(ExPolygonCollection* collection) const
{
// perform clipping
Polylines clipped;
diff(this->polyline, *collection, clipped);
return this->_inflate_collection(clipped);
}
ExtrusionEntityCollection*
ExtrusionPath::_inflate_collection(const Polylines &polylines) 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);
}
return retval;
}
ExtrusionLoop*
ExtrusionLoop::clone() const
{