// Append a vector of Surfaces at the end of another vector of polygons.
inline void polygons_append(Polygons &dst, const SurfacesPtr &src)
{
dst.reserve(dst.size() + number_polygons(src));
for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++ it) {
dst.push_back((*it)->expolygon.contour);
dst.insert(dst.end(), (*it)->expolygon.holes.begin(), (*it)->expolygon.holes.end());
}
}
inline void polygons_append(Polygons &dst, ExPolygons &&src)
{
dst.reserve(dst.size() + number_polygons(src));
for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++ it) {
dst.push_back(std::move(it->contour));
std::move(std::begin(it->holes), std::end(it->holes), std::back_inserter(dst));
}
}
inline void polygons_append(Polygons &dst, const ExPolygons &src)
{
dst.reserve(dst.size() + number_polygons(src));
for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++ it) {
dst.push_back(it->contour);
dst.insert(dst.end(), it->holes.begin(), it->holes.end());
}
}
inline void polygons_append(Polygons &dst, SurfacesPtr &&src)
{
dst.reserve(dst.size() + number_polygons(src));
for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++ it) {
dst.push_back(std::move((*it)->expolygon.contour));
std::move(std::begin((*it)->expolygon.holes), std::end((*it)->expolygon.holes), std::back_inserter(dst));
(*it)->expolygon.holes.clear();
}
}
inline Polygons to_polygons(ExPolygons &&src)
{
Polygons polygons;
polygons.reserve(number_polygons(src));
for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++it) {
polygons.push_back(std::move(it->contour));
std::move(std::begin(it->holes), std::end(it->holes), std::back_inserter(polygons));
}
return polygons;
}
inline Polygons to_polygons(const ExPolygons &src)
{
Polygons polygons;
polygons.reserve(number_polygons(src));
for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++it) {
polygons.push_back(it->contour);
polygons.insert(polygons.end(), it->holes.begin(), it->holes.end());
}
return polygons;
}
inline Polylines to_polylines(ExPolygons &&src)
{
Polylines polylines;
polylines.assign(number_polygons(src), Polyline());
size_t idx = 0;
for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++it) {
Polyline &pl = polylines[idx ++];
pl.points = std::move(it->contour.points);
pl.points.push_back(pl.points.front());
for (Polygons::const_iterator ith = it->holes.begin(); ith != it->holes.end(); ++ith) {
Polyline &pl = polylines[idx ++];
pl.points = std::move(ith->points);
pl.points.push_back(ith->points.front());
}
}
assert(idx == polylines.size());
return polylines;
}