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WIP: Moved sources int src/, separated most of the source code from Perl.
The XS was left only for the unit / integration tests, and it links libslic3r only. No wxWidgets are allowed to be used from Perl starting from now.
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1706 changed files with 7413 additions and 7638 deletions
231
src/libslic3r/ClipperUtils.hpp
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231
src/libslic3r/ClipperUtils.hpp
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#ifndef slic3r_ClipperUtils_hpp_
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#define slic3r_ClipperUtils_hpp_
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#include <libslic3r.h>
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#include "clipper.hpp"
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#include "ExPolygon.hpp"
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#include "Polygon.hpp"
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#include "Surface.hpp"
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// import these wherever we're included
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using ClipperLib::jtMiter;
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using ClipperLib::jtRound;
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using ClipperLib::jtSquare;
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// Factor to convert from coord_t (which is int32) to an int64 type used by the Clipper library
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// for general offsetting (the offset(), offset2(), offset_ex() functions) and for the safety offset,
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// which is optionally executed by other functions (union, intersection, diff).
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// This scaling (cca 130t) is applied over the usual SCALING_FACTOR.
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// By the way, is the scalling for offset needed at all?
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// The reason to apply this scaling may be to match the resolution of the double mantissa.
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#define CLIPPER_OFFSET_POWER_OF_2 17
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// 2^17=131072
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#define CLIPPER_OFFSET_SCALE (1 << CLIPPER_OFFSET_POWER_OF_2)
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#define CLIPPER_OFFSET_SCALE_ROUNDING_DELTA ((1 << (CLIPPER_OFFSET_POWER_OF_2 - 1)) - 1)
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#define CLIPPER_MAX_COORD_UNSCALED (ClipperLib::hiRange / CLIPPER_OFFSET_SCALE)
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namespace Slic3r {
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//-----------------------------------------------------------
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// legacy code from Clipper documentation
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void AddOuterPolyNodeToExPolygons(ClipperLib::PolyNode& polynode, Slic3r::ExPolygons& expolygons);
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void PolyTreeToExPolygons(ClipperLib::PolyTree& polytree, Slic3r::ExPolygons& expolygons);
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//-----------------------------------------------------------
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ClipperLib::Path Slic3rMultiPoint_to_ClipperPath(const Slic3r::MultiPoint &input);
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ClipperLib::Paths Slic3rMultiPoints_to_ClipperPaths(const Polygons &input);
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ClipperLib::Paths Slic3rMultiPoints_to_ClipperPaths(const Polylines &input);
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Slic3r::Polygon ClipperPath_to_Slic3rPolygon(const ClipperLib::Path &input);
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Slic3r::Polyline ClipperPath_to_Slic3rPolyline(const ClipperLib::Path &input);
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Slic3r::Polygons ClipperPaths_to_Slic3rPolygons(const ClipperLib::Paths &input);
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Slic3r::Polylines ClipperPaths_to_Slic3rPolylines(const ClipperLib::Paths &input);
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Slic3r::ExPolygons ClipperPaths_to_Slic3rExPolygons(const ClipperLib::Paths &input);
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// offset Polygons
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ClipperLib::Paths _offset(ClipperLib::Path &&input, ClipperLib::EndType endType, const float delta, ClipperLib::JoinType joinType, double miterLimit);
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ClipperLib::Paths _offset(ClipperLib::Paths &&input, ClipperLib::EndType endType, const float delta, ClipperLib::JoinType joinType, double miterLimit);
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inline Slic3r::Polygons offset(const Slic3r::Polygon &polygon, const float delta, ClipperLib::JoinType joinType = ClipperLib::jtMiter, double miterLimit = 3)
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{ return ClipperPaths_to_Slic3rPolygons(_offset(Slic3rMultiPoint_to_ClipperPath(polygon), ClipperLib::etClosedPolygon, delta, joinType, miterLimit)); }
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inline Slic3r::Polygons offset(const Slic3r::Polygons &polygons, const float delta, ClipperLib::JoinType joinType = ClipperLib::jtMiter, double miterLimit = 3)
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{ return ClipperPaths_to_Slic3rPolygons(_offset(Slic3rMultiPoints_to_ClipperPaths(polygons), ClipperLib::etClosedPolygon, delta, joinType, miterLimit)); }
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// offset Polylines
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inline Slic3r::Polygons offset(const Slic3r::Polyline &polyline, const float delta, ClipperLib::JoinType joinType = ClipperLib::jtSquare, double miterLimit = 3)
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{ return ClipperPaths_to_Slic3rPolygons(_offset(Slic3rMultiPoint_to_ClipperPath(polyline), ClipperLib::etOpenButt, delta, joinType, miterLimit)); }
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inline Slic3r::Polygons offset(const Slic3r::Polylines &polylines, const float delta, ClipperLib::JoinType joinType = ClipperLib::jtSquare, double miterLimit = 3)
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{ return ClipperPaths_to_Slic3rPolygons(_offset(Slic3rMultiPoints_to_ClipperPaths(polylines), ClipperLib::etOpenButt, delta, joinType, miterLimit)); }
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// offset expolygons and surfaces
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ClipperLib::Paths _offset(const Slic3r::ExPolygon &expolygon, const float delta, ClipperLib::JoinType joinType, double miterLimit);
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ClipperLib::Paths _offset(const Slic3r::ExPolygons &expolygons, const float delta, ClipperLib::JoinType joinType, double miterLimit);
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inline Slic3r::Polygons offset(const Slic3r::ExPolygon &expolygon, const float delta, ClipperLib::JoinType joinType = ClipperLib::jtMiter, double miterLimit = 3)
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{ return ClipperPaths_to_Slic3rPolygons(_offset(expolygon, delta, joinType, miterLimit)); }
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inline Slic3r::Polygons offset(const Slic3r::ExPolygons &expolygons, const float delta, ClipperLib::JoinType joinType = ClipperLib::jtMiter, double miterLimit = 3)
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{ return ClipperPaths_to_Slic3rPolygons(_offset(expolygons, delta, joinType, miterLimit)); }
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inline Slic3r::ExPolygons offset_ex(const Slic3r::Polygon &polygon, const float delta, ClipperLib::JoinType joinType = ClipperLib::jtMiter, double miterLimit = 3)
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{ return ClipperPaths_to_Slic3rExPolygons(_offset(Slic3rMultiPoint_to_ClipperPath(polygon), ClipperLib::etClosedPolygon, delta, joinType, miterLimit)); }
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inline Slic3r::ExPolygons offset_ex(const Slic3r::Polygons &polygons, const float delta, ClipperLib::JoinType joinType = ClipperLib::jtMiter, double miterLimit = 3)
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{ return ClipperPaths_to_Slic3rExPolygons(_offset(Slic3rMultiPoints_to_ClipperPaths(polygons), ClipperLib::etClosedPolygon, delta, joinType, miterLimit)); }
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inline Slic3r::ExPolygons offset_ex(const Slic3r::ExPolygon &expolygon, const float delta, ClipperLib::JoinType joinType = ClipperLib::jtMiter, double miterLimit = 3)
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{ return ClipperPaths_to_Slic3rExPolygons(_offset(expolygon, delta, joinType, miterLimit)); }
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inline Slic3r::ExPolygons offset_ex(const Slic3r::ExPolygons &expolygons, const float delta, ClipperLib::JoinType joinType = ClipperLib::jtMiter, double miterLimit = 3)
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{ return ClipperPaths_to_Slic3rExPolygons(_offset(expolygons, delta, joinType, miterLimit)); }
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ClipperLib::Paths _offset2(const Slic3r::Polygons &polygons, const float delta1,
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const float delta2, ClipperLib::JoinType joinType = ClipperLib::jtMiter,
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double miterLimit = 3);
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Slic3r::Polygons offset2(const Slic3r::Polygons &polygons, const float delta1,
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const float delta2, ClipperLib::JoinType joinType = ClipperLib::jtMiter,
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double miterLimit = 3);
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Slic3r::ExPolygons offset2_ex(const Slic3r::Polygons &polygons, const float delta1,
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const float delta2, ClipperLib::JoinType joinType = ClipperLib::jtMiter,
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double miterLimit = 3);
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Slic3r::ExPolygons offset2_ex(const Slic3r::ExPolygons &expolygons, const float delta1,
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const float delta2, ClipperLib::JoinType joinType = ClipperLib::jtMiter,
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double miterLimit = 3);
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Slic3r::Polygons _clipper(ClipperLib::ClipType clipType,
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const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false);
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Slic3r::ExPolygons _clipper_ex(ClipperLib::ClipType clipType,
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const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false);
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Slic3r::Polylines _clipper_pl(ClipperLib::ClipType clipType,
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const Slic3r::Polylines &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false);
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Slic3r::Polylines _clipper_pl(ClipperLib::ClipType clipType,
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const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false);
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Slic3r::Lines _clipper_ln(ClipperLib::ClipType clipType,
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const Slic3r::Lines &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false);
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// diff
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inline Slic3r::Polygons
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diff(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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return _clipper(ClipperLib::ctDifference, subject, clip, safety_offset_);
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}
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inline Slic3r::ExPolygons
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diff_ex(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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return _clipper_ex(ClipperLib::ctDifference, subject, clip, safety_offset_);
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}
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inline Slic3r::ExPolygons
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diff_ex(const Slic3r::ExPolygons &subject, const Slic3r::ExPolygons &clip, bool safety_offset_ = false)
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{
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return _clipper_ex(ClipperLib::ctDifference, to_polygons(subject), to_polygons(clip), safety_offset_);
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}
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inline Slic3r::Polygons
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diff(const Slic3r::ExPolygons &subject, const Slic3r::ExPolygons &clip, bool safety_offset_ = false)
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{
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return _clipper(ClipperLib::ctDifference, to_polygons(subject), to_polygons(clip), safety_offset_);
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}
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inline Slic3r::Polylines
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diff_pl(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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return _clipper_pl(ClipperLib::ctDifference, subject, clip, safety_offset_);
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}
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inline Slic3r::Polylines
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diff_pl(const Slic3r::Polylines &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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return _clipper_pl(ClipperLib::ctDifference, subject, clip, safety_offset_);
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}
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inline Slic3r::Lines
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diff_ln(const Slic3r::Lines &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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return _clipper_ln(ClipperLib::ctDifference, subject, clip, safety_offset_);
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}
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// intersection
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inline Slic3r::Polygons
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intersection(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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return _clipper(ClipperLib::ctIntersection, subject, clip, safety_offset_);
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}
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inline Slic3r::ExPolygons
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intersection_ex(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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return _clipper_ex(ClipperLib::ctIntersection, subject, clip, safety_offset_);
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}
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inline Slic3r::ExPolygons
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intersection_ex(const Slic3r::ExPolygons &subject, const Slic3r::ExPolygons &clip, bool safety_offset_ = false)
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{
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return _clipper_ex(ClipperLib::ctIntersection, to_polygons(subject), to_polygons(clip), safety_offset_);
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}
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inline Slic3r::Polygons
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intersection(const Slic3r::ExPolygons &subject, const Slic3r::ExPolygons &clip, bool safety_offset_ = false)
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{
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return _clipper(ClipperLib::ctIntersection, to_polygons(subject), to_polygons(clip), safety_offset_);
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}
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inline Slic3r::Polylines
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intersection_pl(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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return _clipper_pl(ClipperLib::ctIntersection, subject, clip, safety_offset_);
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}
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inline Slic3r::Polylines
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intersection_pl(const Slic3r::Polylines &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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return _clipper_pl(ClipperLib::ctIntersection, subject, clip, safety_offset_);
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}
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inline Slic3r::Lines intersection_ln(const Slic3r::Lines &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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return _clipper_ln(ClipperLib::ctIntersection, subject, clip, safety_offset_);
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}
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inline Slic3r::Lines intersection_ln(const Slic3r::Line &subject, const Slic3r::Polygons &clip, bool safety_offset_ = false)
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{
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Slic3r::Lines lines;
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lines.emplace_back(subject);
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return _clipper_ln(ClipperLib::ctIntersection, lines, clip, safety_offset_);
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}
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// union
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inline Slic3r::Polygons union_(const Slic3r::Polygons &subject, bool safety_offset_ = false)
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{
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return _clipper(ClipperLib::ctUnion, subject, Slic3r::Polygons(), safety_offset_);
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}
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inline Slic3r::Polygons union_(const Slic3r::Polygons &subject, const Slic3r::Polygons &subject2, bool safety_offset_ = false)
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{
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return _clipper(ClipperLib::ctUnion, subject, subject2, safety_offset_);
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}
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inline Slic3r::ExPolygons union_ex(const Slic3r::Polygons &subject, bool safety_offset_ = false)
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{
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return _clipper_ex(ClipperLib::ctUnion, subject, Slic3r::Polygons(), safety_offset_);
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}
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inline Slic3r::ExPolygons union_ex(const Slic3r::ExPolygons &subject, bool safety_offset_ = false)
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{
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return _clipper_ex(ClipperLib::ctUnion, to_polygons(subject), Slic3r::Polygons(), safety_offset_);
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}
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inline Slic3r::ExPolygons union_ex(const Slic3r::Surfaces &subject, bool safety_offset_ = false)
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{
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return _clipper_ex(ClipperLib::ctUnion, to_polygons(subject), Slic3r::Polygons(), safety_offset_);
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}
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ClipperLib::PolyTree union_pt(const Slic3r::Polygons &subject, bool safety_offset_ = false);
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Slic3r::Polygons union_pt_chained(const Slic3r::Polygons &subject, bool safety_offset_ = false);
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void traverse_pt(ClipperLib::PolyNodes &nodes, Slic3r::Polygons* retval);
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/* OTHER */
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Slic3r::Polygons simplify_polygons(const Slic3r::Polygons &subject, bool preserve_collinear = false);
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Slic3r::ExPolygons simplify_polygons_ex(const Slic3r::Polygons &subject, bool preserve_collinear = false);
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void safety_offset(ClipperLib::Paths* paths);
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Polygons top_level_islands(const Slic3r::Polygons &polygons);
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}
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#endif
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