// add bridge polys and substract them from normal and full fill polys
void Layer::addBridgePolygons(const vector<Poly> newpolys)
{
if (newpolys.size()==0) return;
bridgePolygons.clear();
Clipping clipp;
clipp.clear();
clipp.addPolys(fillPolygons,subject);
clipp.addPolys(newpolys,clip);
vector<Poly> inter = clipp.intersect();
bridgePolygons= inter;//.insert(bridgePolygons.end(),inter.begin(),inter.end());
clipp.clear();
clipp.addPolys(fillPolygons,subject);
clipp.addPolys(inter,clip);
setNormalFillPolygons(clipp.substract());
mergeFullPolygons(true);
}
// add full fill and substract them from normal fill polys
void Layer::addFullPolygons(const vector<Poly> newpolys, bool decor)
{
if (newpolys.size()==0) return;
Clipping clipp;
clipp.clear();
// full fill only where already normal fill
clipp.addPolys(fillPolygons,subject);
clipp.addPolys(newpolys,clip);
vector<Poly> inter = clipp.intersect();
if (decor)
decorPolygons.insert(decorPolygons.end(),inter.begin(),inter.end());
else
fullFillPolygons.insert(fullFillPolygons.end(),inter.begin(),inter.end());
//substract from normal fills
clipp.clear();
clipp.addPolys(fillPolygons,subject);
clipp.addPolys(inter,clip);
setNormalFillPolygons(clipp.substract());
mergeFullPolygons(false);
}