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Get rid of unnecessary copies and moves in ClipperUtils

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This is up to a code review session.
This commit is contained in:
tamasmeszaros 2019-04-03 10:17:57 +02:00
parent eff8dd1ae5
commit 7b414fe34a
1 changed files with 15 additions and 15 deletions
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30
src/libslic3r/ClipperUtils.cpp
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@ -120,7 +120,7 @@ Slic3r::Polygon ClipperPath_to_Slic3rPolygon(const ClipperLib::Path &input)
{
Polygon retval;
for (ClipperLib::Path::const_iterator pit = input.begin(); pit != input.end(); ++pit)
retval.points.push_back(Point( (*pit).X, (*pit).Y ));
retval.points.emplace_back(pit->X, pit->Y);
return retval;
}
@ -128,7 +128,7 @@ Slic3r::Polyline ClipperPath_to_Slic3rPolyline(const ClipperLib::Path &input)
{
Polyline retval;
for (ClipperLib::Path::const_iterator pit = input.begin(); pit != input.end(); ++pit)
retval.points.push_back(Point( (*pit).X, (*pit).Y ));
retval.points.emplace_back(pit->X, pit->Y);
return retval;
}
@ -137,7 +137,7 @@ Slic3r::Polygons ClipperPaths_to_Slic3rPolygons(const ClipperLib::Paths &input)
Slic3r::Polygons retval;
retval.reserve(input.size());
for (ClipperLib::Paths::const_iterator it = input.begin(); it != input.end(); ++it)
retval.push_back(ClipperPath_to_Slic3rPolygon(*it));
retval.emplace_back(ClipperPath_to_Slic3rPolygon(*it));
return retval;
}
@ -146,7 +146,7 @@ Slic3r::Polylines ClipperPaths_to_Slic3rPolylines(const ClipperLib::Paths &input
Slic3r::Polylines retval;
retval.reserve(input.size());
for (ClipperLib::Paths::const_iterator it = input.begin(); it != input.end(); ++it)
retval.push_back(ClipperPath_to_Slic3rPolyline(*it));
retval.emplace_back(ClipperPath_to_Slic3rPolyline(*it));
return retval;
}
@ -171,7 +171,7 @@ Slic3rMultiPoint_to_ClipperPath(const MultiPoint &input)
{
ClipperLib::Path retval;
for (Points::const_iterator pit = input.points.begin(); pit != input.points.end(); ++pit)
retval.push_back(ClipperLib::IntPoint( (*pit)(0), (*pit)(1) ));
retval.emplace_back((*pit)(0), (*pit)(1));
return retval;
}
@ -181,7 +181,7 @@ Slic3rMultiPoint_to_ClipperPath_reversed(const Slic3r::MultiPoint &input)
ClipperLib::Path output;
output.reserve(input.points.size());
for (Slic3r::Points::const_reverse_iterator pit = input.points.rbegin(); pit != input.points.rend(); ++pit)
output.push_back(ClipperLib::IntPoint( (*pit)(0), (*pit)(1) ));
output.emplace_back((*pit)(0), (*pit)(1));
return output;
}
@ -189,7 +189,7 @@ ClipperLib::Paths Slic3rMultiPoints_to_ClipperPaths(const Polygons &input)
{
ClipperLib::Paths retval;
for (Polygons::const_iterator it = input.begin(); it != input.end(); ++it)
retval.push_back(Slic3rMultiPoint_to_ClipperPath(*it));
retval.emplace_back(Slic3rMultiPoint_to_ClipperPath(*it));
return retval;
}
@ -197,7 +197,7 @@ ClipperLib::Paths Slic3rMultiPoints_to_ClipperPaths(const Polylines &input)
{
ClipperLib::Paths retval;
for (Polylines::const_iterator it = input.begin(); it != input.end(); ++it)
retval.push_back(Slic3rMultiPoint_to_ClipperPath(*it));
retval.emplace_back(Slic3rMultiPoint_to_ClipperPath(*it));
return retval;
}
@ -226,7 +226,7 @@ ClipperLib::Paths _offset(ClipperLib::Paths &&input, ClipperLib::EndType endType
ClipperLib::Paths _offset(ClipperLib::Path &&input, ClipperLib::EndType endType, const float delta, ClipperLib::JoinType joinType, double miterLimit)
{
ClipperLib::Paths paths;
paths.push_back(std::move(input));
paths.emplace_back(std::move(input));
return _offset(std::move(paths), endType, delta, joinType, miterLimit);
}
@ -585,7 +585,7 @@ Polylines _clipper_pl(ClipperLib::ClipType clipType, const Polygons &subject, co
Polylines polylines;
polylines.reserve(subject.size());
for (Polygons::const_iterator polygon = subject.begin(); polygon != subject.end(); ++polygon)
polylines.push_back(*polygon); // implicit call to split_at_first_point()
polylines.emplace_back(polygon->operator Polyline()); // implicit call to split_at_first_point()
// perform clipping
Polylines retval = _clipper_pl(clipType, polylines, clip, safety_offset_);
@ -643,7 +643,7 @@ _clipper_ln(ClipperLib::ClipType clipType, const Lines &subject, const Polygons
// convert Polylines to Lines
Lines retval;
for (Polylines::const_iterator polyline = polylines.begin(); polyline != polylines.end(); ++polyline)
retval.push_back(*polyline);
retval.emplace_back(std::move(*polyline));
return retval;
}
@ -673,7 +673,7 @@ void traverse_pt(ClipperLib::PolyNodes &nodes, Polygons* retval)
ordering_points.reserve(nodes.size());
for (ClipperLib::PolyNodes::const_iterator it = nodes.begin(); it != nodes.end(); ++it) {
Point p((*it)->Contour.front().X, (*it)->Contour.front().Y);
ordering_points.push_back(p);
ordering_points.emplace_back(p);
}
// perform the ordering
@ -684,7 +684,7 @@ void traverse_pt(ClipperLib::PolyNodes &nodes, Polygons* retval)
for (ClipperLib::PolyNodes::iterator it = ordered_nodes.begin(); it != ordered_nodes.end(); ++it) {
// traverse the next depth
traverse_pt((*it)->Childs, retval);
retval->push_back(ClipperPath_to_Slic3rPolygon((*it)->Contour));
retval->emplace_back(ClipperPath_to_Slic3rPolygon((*it)->Contour));
if ((*it)->IsHole()) retval->back().reverse(); // ccw
}
}
@ -791,8 +791,8 @@ Polygons top_level_islands(const Slic3r::Polygons &polygons)
Polygons out;
out.reserve(polytree.ChildCount());
for (int i = 0; i < polytree.ChildCount(); ++i)
out.push_back(ClipperPath_to_Slic3rPolygon(polytree.Childs[i]->Contour));
out.emplace_back(ClipperPath_to_Slic3rPolygon(polytree.Childs[i]->Contour));
return out;
}
}
}