void PolyTreeToExPolygons(ClipperLib::PolyTree& polytree, Slic3r::ExPolygons* expolygons)
{
PROFILE_FUNC();
expolygons->clear();
for (int i = 0; i < polytree.ChildCount(); ++i)
AddOuterPolyNodeToExPolygons(*polytree.Childs[i], expolygons);
}
ExPolygons
PolyTreeToExPolygons(ClipperLib::PolyTree& polytree)
{
ExPolygons retval;
for (int i = 0; i < polytree.ChildCount(); ++i)
AddOuterPolyNodeToExPolygons(*polytree.Childs[i], &retval);
return retval;
}
//-----------------------------------------------------------
// legacy code from Clipper documentation
void AddOuterPolyNodeToExPolygons(ClipperLib::PolyNode& polynode, Slic3r::ExPolygons& expolygons)
{
size_t cnt = expolygons.size();
expolygons.resize(cnt + 1);
ClipperPath_to_Slic3rMultiPoint(polynode.Contour, expolygons[cnt].contour);
expolygons[cnt].holes.resize(polynode.ChildCount());
for (int i = 0; i < polynode.ChildCount(); ++i)
{
ClipperPath_to_Slic3rMultiPoint(polynode.Childs[i]->Contour, expolygons[cnt].holes[i]);
//Add outer polygons contained by (nested within) holes ...
for (int j = 0; j < polynode.Childs[i]->ChildCount(); ++j)
AddOuterPolyNodeToExPolygons(*polynode.Childs[i]->Childs[j], expolygons);
}
}
//-----------------------------------------------------------
// legacy code from Clipper documentation
void AddOuterPolyNodeToExPolygons(ClipperLib::PolyNode& polynode, ExPolygons* expolygons)
{
size_t cnt = expolygons->size();
expolygons->resize(cnt + 1);
(*expolygons)[cnt].contour = ClipperPath_to_Slic3rPolygon(polynode.Contour);
(*expolygons)[cnt].holes.resize(polynode.ChildCount());
for (int i = 0; i < polynode.ChildCount(); ++i)
{
(*expolygons)[cnt].holes[i] = ClipperPath_to_Slic3rPolygon(polynode.Childs[i]->Contour);
//Add outer polygons contained by (nested within) holes ...
for (int j = 0; j < polynode.Childs[i]->ChildCount(); ++j)
AddOuterPolyNodeToExPolygons(*polynode.Childs[i]->Childs[j], expolygons);
}
}
void Clipping::AddOuterPolyNodeToExPolygons(const CL::PolyNode * polynode,
ExPolygons& expolygons)
{
size_t cnt = expolygons.size();
expolygons.resize(cnt + 1);
expolygons[cnt].outer = polynode->Contour;
expolygons[cnt].holes.resize(polynode->ChildCount());
for (int i = 0; i < polynode->ChildCount(); ++i)
{
expolygons[cnt].holes[i] = polynode->Childs[i]->Contour;
//Add outer polygons contained by (nested within) holes ...
for (int j = 0; j < polynode->Childs[i]->ChildCount(); ++j)
AddOuterPolyNodeToExPolygons(polynode->Childs[i]->Childs[j], expolygons);
}
}
void PolyTreeToExPolygons(ClipperLib::PolyTree& polytree, Slic3r::ExPolygons& expolygons)
{
expolygons.clear();
for (int i = 0; i < polytree.ChildCount(); ++i)
AddOuterPolyNodeToExPolygons(*polytree.Childs[i], expolygons);
}
void Clipping::PolyTreeToExPolygons(const CL::PolyTree * polytree, ExPolygons& expolygons)
{
expolygons.clear();
for (int i = 0; i < polytree->ChildCount(); ++i)
AddOuterPolyNodeToExPolygons(polytree->Childs[i], expolygons);
}