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Some reduction of unnecessary conversions when calling ClipperUtils.

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This commit is contained in:
Vojtech Bubnik 2021-09-13 15:13:05 +02:00
parent 60b5e0d0d5
commit cab71073a1
11 changed files with 29 additions and 24 deletions
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12
src/libslic3r/ClipperUtils.cpp
View file

@ -467,6 +467,8 @@ Slic3r::Polygons diff(const Slic3r::ExPolygons &subject, const Slic3r::Polygons
{ return _clipper(ClipperLib::ctDifference, ClipperUtils::ExPolygonsProvider(subject), ClipperUtils::PolygonsProvider(clip), do_safety_offset); }
Slic3r::Polygons diff(const Slic3r::ExPolygons &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset)
{ return _clipper(ClipperLib::ctDifference, ClipperUtils::ExPolygonsProvider(subject), ClipperUtils::ExPolygonsProvider(clip), do_safety_offset); }
Slic3r::Polygons intersection(const Slic3r::Polygon &subject, const Slic3r::Polygon &clip, ApplySafetyOffset do_safety_offset)
{ return _clipper(ClipperLib::ctIntersection, ClipperUtils::SinglePathProvider(subject.points), ClipperUtils::SinglePathProvider(clip.points), do_safety_offset); }
Slic3r::Polygons intersection(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, ApplySafetyOffset do_safety_offset)
{ return _clipper(ClipperLib::ctIntersection, ClipperUtils::PolygonsProvider(subject), ClipperUtils::PolygonsProvider(clip), do_safety_offset); }
Slic3r::Polygons intersection(const Slic3r::ExPolygon &subject, const Slic3r::ExPolygon &clip, ApplySafetyOffset do_safety_offset)
@ -496,6 +498,8 @@ Slic3r::ExPolygons diff_ex(const Slic3r::Polygons &subject, const Slic3r::Surfac
{ return _clipper_ex(ClipperLib::ctDifference, ClipperUtils::PolygonsProvider(subject), ClipperUtils::SurfacesProvider(clip), do_safety_offset); }
Slic3r::ExPolygons diff_ex(const Slic3r::Polygons &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset)
{ return _clipper_ex(ClipperLib::ctDifference, ClipperUtils::PolygonsProvider(subject), ClipperUtils::ExPolygonsProvider(clip), do_safety_offset); }
Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygon &subject, const Slic3r::Polygon &clip, ApplySafetyOffset do_safety_offset)
{ return _clipper_ex(ClipperLib::ctDifference, ClipperUtils::ExPolygonProvider(subject), ClipperUtils::SinglePathProvider(clip.points), do_safety_offset); }
Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygon &subject, const Slic3r::Polygons &clip, ApplySafetyOffset do_safety_offset)
{ return _clipper_ex(ClipperLib::ctDifference, ClipperUtils::ExPolygonProvider(subject), ClipperUtils::PolygonsProvider(clip), do_safety_offset); }
Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygons &subject, const Slic3r::Polygons &clip, ApplySafetyOffset do_safety_offset)
@ -610,12 +614,18 @@ Polylines _clipper_pl_closed(ClipperLib::ClipType clipType, PathProvider1 &&subj
Slic3r::Polylines diff_pl(const Slic3r::Polylines &subject, const Slic3r::Polygons &clip)
{ return _clipper_pl_open(ClipperLib::ctDifference, ClipperUtils::PolylinesProvider(subject), ClipperUtils::PolygonsProvider(clip)); }
Slic3r::Polylines diff_pl(const Slic3r::Polyline &subject, const Slic3r::ExPolygon &clip)
{ return _clipper_pl_open(ClipperLib::ctDifference, ClipperUtils::SinglePathProvider(subject.points), ClipperUtils::ExPolygonProvider(clip)); }
Slic3r::Polylines diff_pl(const Slic3r::Polylines &subject, const Slic3r::ExPolygon &clip)
{ return _clipper_pl_open(ClipperLib::ctDifference, ClipperUtils::PolylinesProvider(subject), ClipperUtils::ExPolygonProvider(clip)); }
Slic3r::Polylines diff_pl(const Slic3r::Polylines &subject, const Slic3r::ExPolygons &clip)
{ return _clipper_pl_open(ClipperLib::ctDifference, ClipperUtils::PolylinesProvider(subject), ClipperUtils::ExPolygonsProvider(clip)); }
Slic3r::Polylines diff_pl(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip)
{ return _clipper_pl_closed(ClipperLib::ctDifference, ClipperUtils::PolygonsProvider(subject), ClipperUtils::PolygonsProvider(clip)); }
Slic3r::Polylines intersection_pl(const Slic3r::Polylines &subject, const Slic3r::Polygon &clip)
{ return _clipper_pl_open(ClipperLib::ctIntersection, ClipperUtils::PolylinesProvider(subject), ClipperUtils::SinglePathProvider(clip.points)); }
Slic3r::Polylines intersection_pl(const Slic3r::Polyline &subject, const Slic3r::Polygons &clip)
{ return _clipper_pl_open(ClipperLib::ctIntersection, ClipperUtils::SinglePathProvider(subject.points), ClipperUtils::PolygonsProvider(clip)); }
Slic3r::Polylines intersection_pl(const Slic3r::Polylines &subject, const Slic3r::Polygons &clip)
{ return _clipper_pl_open(ClipperLib::ctIntersection, ClipperUtils::PolylinesProvider(subject), ClipperUtils::PolygonsProvider(clip)); }
Slic3r::Polylines intersection_pl(const Slic3r::Polylines &subject, const Slic3r::ExPolygons &clip)
@ -637,7 +647,7 @@ Lines _clipper_ln(ClipperLib::ClipType clipType, const Lines &subject, const Pol
// convert Polylines to Lines
Lines retval;
for (Polylines::const_iterator polyline = polylines.begin(); polyline != polylines.end(); ++polyline)
retval.emplace_back(polyline->operator Line());
retval.emplace_back(polyline->line());
return retval;
}

5
src/libslic3r/ClipperUtils.hpp
View file

@ -303,6 +303,7 @@ Slic3r::ExPolygons diff_ex(const Slic3r::Polygons &subject, const Slic3r::Polygo
Slic3r::ExPolygons diff_ex(const Slic3r::Polygons &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::ExPolygons diff_ex(const Slic3r::Polygons &subject, const Slic3r::Surfaces &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::ExPolygons diff_ex(const Slic3r::Polygon &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygon &subject, const Slic3r::Polygon &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygon &subject, const Slic3r::Polygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygons &subject, const Slic3r::Polygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygons &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
@ -312,6 +313,7 @@ Slic3r::ExPolygons diff_ex(const Slic3r::ExPolygons &subject, const Slic3r::Surf
Slic3r::ExPolygons diff_ex(const Slic3r::Surfaces &subject, const Slic3r::Surfaces &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::ExPolygons diff_ex(const Slic3r::SurfacesPtr &subject, const Slic3r::Polygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::Polylines diff_pl(const Slic3r::Polylines &subject, const Slic3r::Polygons &clip);
Slic3r::Polylines diff_pl(const Slic3r::Polyline &subject, const Slic3r::ExPolygon &clip);
Slic3r::Polylines diff_pl(const Slic3r::Polylines &subject, const Slic3r::ExPolygon &clip);
Slic3r::Polylines diff_pl(const Slic3r::Polylines &subject, const Slic3r::ExPolygons &clip);
Slic3r::Polylines diff_pl(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip);
@ -322,6 +324,7 @@ inline Slic3r::Lines diff_ln(const Slic3r::Lines &subject, const Slic3r::Polygon
}
// Safety offset is applied to the clipping polygons only.
Slic3r::Polygons intersection(const Slic3r::Polygon &subject, const Slic3r::Polygon &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::Polygons intersection(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::Polygons intersection(const Slic3r::ExPolygon &subject, const Slic3r::ExPolygon &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::Polygons intersection(const Slic3r::ExPolygons &subject, const Slic3r::Polygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
@ -337,6 +340,8 @@ Slic3r::ExPolygons intersection_ex(const Slic3r::Surfaces &subject, const Slic3r
Slic3r::ExPolygons intersection_ex(const Slic3r::Surfaces &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::ExPolygons intersection_ex(const Slic3r::Surfaces &subject, const Slic3r::Surfaces &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::ExPolygons intersection_ex(const Slic3r::SurfacesPtr &subject, const Slic3r::ExPolygons &clip, ApplySafetyOffset do_safety_offset = ApplySafetyOffset::No);
Slic3r::Polylines intersection_pl(const Slic3r::Polylines &subject, const Slic3r::Polygon &clip);
Slic3r::Polylines intersection_pl(const Slic3r::Polyline &subject, const Slic3r::Polygons &clip);
Slic3r::Polylines intersection_pl(const Slic3r::Polylines &subject, const Slic3r::Polygons &clip);
Slic3r::Polylines intersection_pl(const Slic3r::Polylines &subject, const Slic3r::ExPolygons &clip);
Slic3r::Polylines intersection_pl(const Slic3r::Polygons &subject, const Slic3r::Polygons &clip);

2
src/libslic3r/ExPolygon.cpp
View file

@ -92,7 +92,7 @@ bool ExPolygon::contains(const Line &line) const
bool ExPolygon::contains(const Polyline &polyline) const
{
return diff_pl((Polylines)polyline, *this).empty();
return diff_pl(polyline, *this).empty();
}
bool ExPolygon::contains(const Polylines &polylines) const

2
src/libslic3r/Fill/FillAdaptive.cpp
View file

@ -928,7 +928,7 @@ static Polylines connect_lines_using_hooks(Polylines &&lines, const ExPolygon &b
Linef l { { bg::get<0, 0>(seg), bg::get<0, 1>(seg) }, { bg::get<1, 0>(seg), bg::get<1, 1>(seg) } };
assert(line_alg::distance_to_squared(l, Vec2d(pt.cast<double>())) > 1000 * 1000);
#endif // NDEBUG
} else if (((Line)pl).distance_to_squared(pt) <= 1000 * 1000)
} else if (pl.line().distance_to_squared(pt) <= 1000 * 1000)
out = closest.front().second;
}
return out;

8
src/libslic3r/Polygon.hpp
View file

@ -18,11 +18,6 @@ using ConstPolygonPtrs = std::vector<const Polygon*>;
class Polygon : public MultiPoint
{
public:
explicit operator Polygons() const { Polygons pp; pp.push_back(*this); return pp; }
explicit operator Polyline() const { return this->split_at_first_point(); }
Point& operator[](Points::size_type idx) { return this->points[idx]; }
const Point& operator[](Points::size_type idx) const { return this->points[idx]; }
Polygon() = default;
virtual ~Polygon() = default;
explicit Polygon(const Points &points) : MultiPoint(points) {}
@ -39,6 +34,9 @@ public:
Polygon& operator=(const Polygon &other) { points = other.points; return *this; }
Polygon& operator=(Polygon &&other) { points = std::move(other.points); return *this; }
Point& operator[](Points::size_type idx) { return this->points[idx]; }
const Point& operator[](Points::size_type idx) const { return this->points[idx]; }
// last point == first point for polygons
const Point& last_point() const override { return this->points.front(); }

9
src/libslic3r/Polyline.cpp
View file

@ -10,14 +10,7 @@
namespace Slic3r {
Polyline::operator Polylines() const
{
Polylines polylines;
polylines.push_back(*this);
return polylines;
}
Polyline::operator Line() const
Line Polyline::line() const
{
if (this->points.size() > 2)
throw Slic3r::InvalidArgument("Can't convert polyline with more than two points to a line");

7
src/libslic3r/Polyline.hpp
View file

@ -59,13 +59,12 @@ public:
src.points.clear();
}
}
explicit operator Polylines() const;
explicit operator Line() const;
const Point& last_point() const override { return this->points.back(); }
const Point& leftmost_point() const;
Line line() const;
Lines lines() const override;
void clip_end(double distance);
void clip_start(double distance);
void extend_end(double distance);

2
src/libslic3r/Print.cpp
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@ -397,7 +397,7 @@ bool Print::sequential_print_horizontal_clearance_valid(const Print& print, Poly
convex_hull.translate(instance.shift - print_object->center_offset());
// if output needed, collect indices (inside convex_hulls_other) of intersecting hulls
for (size_t i = 0; i < convex_hulls_other.size(); ++i) {
if (!intersection((Polygons)convex_hulls_other[i], (Polygons)convex_hull).empty()) {
if (! intersection(convex_hulls_other[i], convex_hull).empty()) {
if (polygons == nullptr)
return false;
else {

2
src/libslic3r/SLA/Pad.cpp
View file

@ -370,7 +370,7 @@ bool add_cavity(indexed_triangle_set &pad,
if (inner_base.empty() || middle_base.empty()) { logerr(); return false; }
ExPolygons pdiff = diff_ex((Polygons)top_poly, (Polygons)middle_base.contour);
ExPolygons pdiff = diff_ex(top_poly, middle_base.contour);
if (pdiff.size() != 1) { logerr(); return false; }

2
src/libslic3r/SupportMaterial.cpp
View file

@ -3338,7 +3338,7 @@ void LoopInterfaceProcessor::generate(MyLayerExtruded &top_contact_layer, const
Polygon &contour = (i_contour == 0) ? it_contact_expoly->contour : it_contact_expoly->holes[i_contour - 1];
const Point *seg_current_pt = nullptr;
coordf_t seg_current_t = 0.;
if (! intersection_pl((Polylines)contour.split_at_first_point(), overhang_with_margin).empty()) {
if (! intersection_pl(contour.split_at_first_point(), overhang_with_margin).empty()) {
// The contour is below the overhang at least to some extent.
//FIXME ideally one would place the circles below the overhang only.
// Walk around the contour and place circles so their centers are not closer than circle_distance from each other.

2
src/slic3r/GUI/2DBed.cpp
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@ -92,7 +92,7 @@ void Bed_2D::repaint(const std::vector<Vec2d>& shape)
for (auto y = bb.min(1) - fmod(bb.min(1), step) + step; y < bb.max(1); y += step) {
polylines.push_back(Polyline::new_scale({ Vec2d(bb.min(0), y), Vec2d(bb.max(0), y) }));
}
polylines = intersection_pl(polylines, (Polygons)bed_polygon);
polylines = intersection_pl(polylines, bed_polygon);
dc.SetPen(wxPen(wxColour(230, 230, 230), 1, wxPENSTYLE_SOLID));
for (auto pl : polylines)