Slic3r::ExtrusionPath Class Reference

#include <src/libslic3r/ExtrusionEntity.hpp>

Inheritance diagram for Slic3r::ExtrusionPath:

Collaboration diagram for Slic3r::ExtrusionPath:

Public Member Functions
	ExtrusionPath (ExtrusionRole role)
	ExtrusionPath (ExtrusionRole role, double mm3_per_mm, float width, float height)
	ExtrusionPath (const ExtrusionPath &rhs)
	ExtrusionPath (ExtrusionPath &&rhs)
	ExtrusionPath (const Polyline &polyline, const ExtrusionPath &rhs)
	ExtrusionPath (Polyline &&polyline, const ExtrusionPath &rhs)
ExtrusionPath &	operator= (const ExtrusionPath &rhs)
ExtrusionPath &	operator= (ExtrusionPath &&rhs)
ExtrusionEntity *	clone () const override
ExtrusionEntity *	clone_move () override
void	reverse () override
const Point &	first_point () const override
const Point &	last_point () const override
const Point &	middle_point () const override
size_t	size () const
bool	empty () const
bool	is_closed () const
void	intersect_expolygons (const ExPolygons &collection, ExtrusionEntityCollection *retval) const
void	subtract_expolygons (const ExPolygons &collection, ExtrusionEntityCollection *retval) const
void	clip_end (double distance)
void	simplify (double tolerance)
double	length () const override
ExtrusionRole	role () const override
void	polygons_covered_by_width (Polygons &out, const float scaled_epsilon) const override
void	polygons_covered_by_spacing (Polygons &out, const float scaled_epsilon) const override
Polygons	polygons_covered_by_width (const float scaled_epsilon=0.f) const
Polygons	polygons_covered_by_spacing (const float scaled_epsilon=0.f) const
double	min_mm3_per_mm () const override
Polyline	as_polyline () const override
void	collect_polylines (Polylines &dst) const override
void	collect_points (Points &dst) const override
double	total_volume () const override
virtual bool	is_collection () const
virtual bool	is_loop () const
virtual bool	can_reverse () const
virtual Polylines	as_polylines () const

Public Attributes
Polyline	polyline
double	mm3_per_mm
float	width
float	height

Private Member Functions
void	_inflate_collection (const Polylines &polylines, ExtrusionEntityCollection *collection) const

Private Attributes
ExtrusionRole	m_role

Detailed Description

Constructor & Destructor Documentation

ExtrusionPath() [1/6]

Slic3r::ExtrusionPath::ExtrusionPath ( ExtrusionRole  role )

inline

: mm3_per_mm(-1), width(-1), height(-1), m_role(role) {}

ExtrusionPath() [2/6]

Slic3r::ExtrusionPath::ExtrusionPath ( ExtrusionRole  role, double  mm3_per_mm, float  width, float  height  )

inline

: mm3_per_mm(mm3_per_mm), width(width), height(height), m_role(role) {}

ExtrusionPath() [3/6]

Slic3r::ExtrusionPath::ExtrusionPath ( const ExtrusionPath &  rhs )

inline

: polyline(rhs.polyline), mm3_per_mm(rhs.mm3_per_mm), width(rhs.width), height(rhs.height), m_role(rhs.m_role) {}

ExtrusionPath() [4/6]

Slic3r::ExtrusionPath::ExtrusionPath ( ExtrusionPath &&  rhs )

inline

: polyline(std::move(rhs.polyline)), mm3_per_mm(rhs.mm3_per_mm), width(rhs.width), height(rhs.height), m_role(rhs.m_role) {}

ExtrusionPath() [5/6]

Slic3r::ExtrusionPath::ExtrusionPath ( const Polyline &  polyline, const ExtrusionPath &  rhs  )

inline

: polyline(polyline), mm3_per_mm(rhs.mm3_per_mm), width(rhs.width), height(rhs.height), m_role(rhs.m_role) {}

ExtrusionPath() [6/6]

Slic3r::ExtrusionPath::ExtrusionPath ( Polyline &&  polyline, const ExtrusionPath &  rhs  )

inline

: polyline(std::move(polyline)), mm3_per_mm(rhs.mm3_per_mm), width(rhs.width), height(rhs.height), m_role(rhs.m_role) {}

Member Function Documentation

_inflate_collection()

void Slic3r::ExtrusionPath::_inflate_collection ( const Polylines &  polylines, ExtrusionEntityCollection *  collection  ) const

private

{
    for (const Polyline &polyline : polylines)
        collection->entities.emplace_back(new ExtrusionPath(polyline, *this));
}

References Slic3r::ExtrusionEntityCollection::entities, and polyline.

Referenced by intersect_expolygons(), and subtract_expolygons().

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as_polyline()

Polyline Slic3r::ExtrusionPath::as_polyline ( ) const

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

{ return this->polyline; }

References polyline.

Referenced by Slic3r::paths_touch().

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as_polylines()

virtual Polylines Slic3r::ExtrusionEntity::as_polylines ( ) const

inlinevirtualinherited

{ Polylines dst; this->collect_polylines(dst); return dst; }

References Slic3r::ExtrusionEntity::collect_polylines().

Referenced by Slic3r::FFFSupport::remove_bridges_from_contacts().

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can_reverse()

virtual bool Slic3r::ExtrusionEntity::can_reverse ( ) const

inlinevirtualinherited

Reimplemented in Slic3r::ExtrusionPathOriented, Slic3r::ExtrusionMultiPath, Slic3r::ExtrusionLoop, and Slic3r::ExtrusionEntityCollection.

{ return true; }

Referenced by Slic3r::chain_extrusion_entities().

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clip_end()

void Slic3r::ExtrusionPath::clip_end

(

double

distance

)

{
    this->polyline.clip_end(distance);
}

References Slic3r::Polyline::clip_end(), and polyline.

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clone()

ExtrusionEntity * Slic3r::ExtrusionPath::clone ( ) const

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

Reimplemented in Slic3r::ExtrusionPathOriented.

{ return new ExtrusionPath(*this); }

clone_move()

ExtrusionEntity * Slic3r::ExtrusionPath::clone_move ( )

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

Reimplemented in Slic3r::ExtrusionPathOriented.

{ return new ExtrusionPath(std::move(*this)); }

collect_points()

void Slic3r::ExtrusionPath::collect_points ( Points &  dst ) const

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

{ append(dst, this->polyline.points); }

References Slic3r::append(), and Slic3r::MultiPoint::points.

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collect_polylines()

void Slic3r::ExtrusionPath::collect_polylines ( Polylines &  dst ) const

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

{ if (! this->polyline.empty()) dst.emplace_back(this->polyline); }

References Slic3r::MultiPoint::empty().

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empty()

bool Slic3r::ExtrusionPath::empty ( ) const

inline

{ return this->polyline.empty(); }

References Slic3r::MultiPoint::empty().

Referenced by is_closed(), and Slic3r::PerimeterGenerator::thick_polyline_to_multi_path().

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first_point()

const Point & Slic3r::ExtrusionPath::first_point ( ) const

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

{ return this->polyline.points.front(); }

References Slic3r::MultiPoint::points.

Referenced by Slic3r::GCode::_extrude(), and Slic3r::sort_extra_perimeters().

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intersect_expolygons()

void Slic3r::ExtrusionPath::intersect_expolygons	(	const ExPolygons &	collection,
		ExtrusionEntityCollection *	retval
	)		const

{
    this->_inflate_collection(intersection_pl(Polylines{ polyline }, collection), retval);
}

References _inflate_collection(), Slic3r::intersection_pl(), and polyline.

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is_closed()

bool Slic3r::ExtrusionPath::is_closed ( ) const

inline

{ return ! this->empty() && this->polyline.points.front() == this->polyline.points.back(); }

References empty(), and Slic3r::MultiPoint::points.

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is_collection()

virtual bool Slic3r::ExtrusionEntity::is_collection ( ) const

inlinevirtualinherited

Reimplemented in Slic3r::ExtrusionEntityCollection.

{ return false; }

Referenced by Slic3r::SupportSpotsGenerator::check_extrusion_entity_stability(), Slic3r::SupportSpotsGenerator::check_stability(), Slic3r::Layer::sort_perimeters_into_islands(), and Slic3r::SupportSpotsGenerator::to_short_lines().

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is_loop()

virtual bool Slic3r::ExtrusionEntity::is_loop ( ) const

inlinevirtualinherited

Reimplemented in Slic3r::ExtrusionMultiPath, and Slic3r::ExtrusionLoop.

{ return false; }

Referenced by Slic3r::chain_extrusion_entities().

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last_point()

const Point & Slic3r::ExtrusionPath::last_point ( ) const

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

{ return this->polyline.points.back(); }

References Slic3r::MultiPoint::points.

Referenced by Slic3r::GCode::_extrude(), and Slic3r::sort_extra_perimeters().

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length()

double Slic3r::ExtrusionPath::length ( ) const

overridevirtual

Implements Slic3r::ExtrusionEntity.

{
    return this->polyline.length();
}

References Slic3r::Polyline::length(), and polyline.

Referenced by Slic3r::ExtrusionLoop::clip_end(), and total_volume().

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middle_point()

const Point & Slic3r::ExtrusionPath::middle_point ( ) const

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

{ return this->polyline.points[this->polyline.size() / 2]; }

References Slic3r::MultiPoint::points, and Slic3r::MultiPoint::size().

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min_mm3_per_mm()

double Slic3r::ExtrusionPath::min_mm3_per_mm ( ) const

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

{ return this->mm3_per_mm; }

References mm3_per_mm.

operator=() [1/2]

ExtrusionPath & Slic3r::ExtrusionPath::operator= ( const ExtrusionPath &  rhs )

inline

{ m_role = rhs.m_role; this->mm3_per_mm = rhs.mm3_per_mm; this->width = rhs.width; this->height = rhs.height; this->polyline = rhs.polyline; return *this; }

References height, m_role, mm3_per_mm, polyline, and width.

operator=() [2/2]

ExtrusionPath & Slic3r::ExtrusionPath::operator= ( ExtrusionPath &&  rhs )

inline

{ m_role = rhs.m_role; this->mm3_per_mm = rhs.mm3_per_mm; this->width = rhs.width; this->height = rhs.height; this->polyline = std::move(rhs.polyline); return *this; }

References m_role.

polygons_covered_by_spacing() [1/2]

Polygons Slic3r::ExtrusionPath::polygons_covered_by_spacing ( const float  scaled_epsilon = 0.f ) const

inline

        { Polygons out; this->polygons_covered_by_spacing(out, scaled_epsilon); return out; }

References polygons_covered_by_spacing().

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polygons_covered_by_spacing() [2/2]

void Slic3r::ExtrusionPath::polygons_covered_by_spacing ( Polygons &  out, const float  scaled_epsilon  ) const

overridevirtual

Implements Slic3r::ExtrusionEntity.

{
    // Instantiating the Flow class to get the line spacing.
    // Don't know the nozzle diameter, setting to zero. It shall not matter it shall be optimized out by the compiler.
    bool bridge = this->role().is_bridge();
    assert(! bridge || this->width == this->height);
    auto flow = bridge ? Flow::bridging_flow(this->width, 0.f) : Flow(this->width, this->height, 0.f);
    polygons_append(out, offset(this->polyline, 0.5f * float(flow.scaled_spacing()) + scaled_epsilon));
}

References Slic3r::Flow::bridging_flow(), height, Slic3r::ExtrusionRole::is_bridge(), Slic3r::offset(), Slic3r::polygons_append(), polyline, role(), and width.

Referenced by polygons_covered_by_spacing().

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polygons_covered_by_width() [1/2]

Polygons Slic3r::ExtrusionPath::polygons_covered_by_width ( const float  scaled_epsilon = 0.f ) const

inline

        { Polygons out; this->polygons_covered_by_width(out, scaled_epsilon); return out; }

References polygons_covered_by_width().

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polygons_covered_by_width() [2/2]

void Slic3r::ExtrusionPath::polygons_covered_by_width ( Polygons &  out, const float  scaled_epsilon  ) const

overridevirtual

Implements Slic3r::ExtrusionEntity.

{
    polygons_append(out, offset(this->polyline, float(scale_(this->width/2)) + scaled_epsilon));
}

References Slic3r::offset(), Slic3r::polygons_append(), polyline, scale_, and width.

Referenced by polygons_covered_by_width().

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reverse()

void Slic3r::ExtrusionPath::reverse ( )

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

{ this->polyline.reverse(); }

References Slic3r::MultiPoint::reverse().

Referenced by Slic3r::sort_extra_perimeters().

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role()

ExtrusionRole Slic3r::ExtrusionPath::role ( ) const

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

{ return m_role; }

References m_role.

Referenced by Slic3r::GCode::_extrude(), Slic3r::FFFSupport::modulate_extrusion_by_overlapping_layers(), polygons_covered_by_spacing(), and Slic3r::ExtrusionLoop::split_at().

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simplify()

void Slic3r::ExtrusionPath::simplify

(

double

tolerance

)

{
    this->polyline.simplify(tolerance);
}

References polyline, and Slic3r::Polyline::simplify().

Referenced by Slic3r::GCode::extrude_path().

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size()

size_t Slic3r::ExtrusionPath::size ( ) const

inline

{ return this->polyline.size(); }

References Slic3r::MultiPoint::size().

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subtract_expolygons()

void Slic3r::ExtrusionPath::subtract_expolygons	(	const ExPolygons &	collection,
		ExtrusionEntityCollection *	retval
	)		const

{
    this->_inflate_collection(diff_pl(Polylines{ this->polyline }, collection), retval);
}

References _inflate_collection(), Slic3r::diff_pl(), and polyline.

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total_volume()

double Slic3r::ExtrusionPath::total_volume ( ) const

inlineoverridevirtual

Implements Slic3r::ExtrusionEntity.

{ return mm3_per_mm * unscale<double>(length()); }

References length(), and mm3_per_mm.

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Member Data Documentation

height

float Slic3r::ExtrusionPath::height

Referenced by Slic3r::GCode::_extrude(), Slic3r::ExtrusionQualityEstimator::estimate_speed_from_extrusion_quality(), Slic3r::ExtrusionSimulator::extrude_to_accumulator(), Slic3r::_3DScene::extrusionentity_to_verts(), Slic3r::FFFSupport::modulate_extrusion_by_overlapping_layers(), operator=(), polygons_covered_by_spacing(), Slic3r::ExtrusionLoop::split_at(), Slic3r::PerimeterGenerator::thick_polyline_to_multi_path(), and Slic3r::traverse_loops_classic().

m_role

ExtrusionRole Slic3r::ExtrusionPath::m_role

private

Referenced by operator=(), operator=(), and role().

mm3_per_mm

double Slic3r::ExtrusionPath::mm3_per_mm

Referenced by Slic3r::GCode::_extrude(), Slic3r::ExtrusionSimulator::extrude_to_accumulator(), min_mm3_per_mm(), Slic3r::FFFSupport::modulate_extrusion_by_overlapping_layers(), operator=(), Slic3r::ExtrusionLoop::split_at(), Slic3r::PerimeterGenerator::thick_polyline_to_multi_path(), total_volume(), and Slic3r::traverse_loops_classic().

polyline

Polyline Slic3r::ExtrusionPath::polyline

Referenced by Slic3r::GCode::_extrude(), _inflate_collection(), as_polyline(), clip_end(), Slic3r::ExtrusionLoop::clip_end(), Slic3r::ExtrusionMultiPath::collect_points(), Slic3r::ExtrusionLoop::collect_points(), Slic3r::ExtrusionQualityEstimator::estimate_speed_from_extrusion_quality(), Slic3r::GCode::extrude_path(), Slic3r::ExtrusionSimulator::extrude_to_accumulator(), Slic3r::extrusion_entities_append_loops(), Slic3r::extrusion_entities_append_loops_and_paths(), Slic3r::extrusion_entities_append_paths(), Slic3r::extrusion_entities_append_paths(), Slic3r::extrusionentity_extents(), Slic3r::_3DScene::extrusionentity_to_verts(), Slic3r::generate_extra_perimeters_over_overhangs(), Slic3r::FakeWipeTower::getFakeExtrusionPathsFromWipeTower(), intersect_expolygons(), length(), Slic3r::FFFSupport::modulate_extrusion_by_overlapping_layers(), operator=(), Slic3r::paths_touch(), polygons_covered_by_spacing(), polygons_covered_by_width(), simplify(), Slic3r::ExtrusionLoop::split_at(), Slic3r::ExtrusionLoop::split_at_vertex(), subtract_expolygons(), Slic3r::PerimeterGenerator::thick_polyline_to_multi_path(), and Slic3r::traverse_loops_classic().

width

float Slic3r::ExtrusionPath::width

Referenced by Slic3r::GCode::_extrude(), Slic3r::ExtrusionQualityEstimator::estimate_speed_from_extrusion_quality(), Slic3r::ExtrusionSimulator::extrude_to_accumulator(), Slic3r::extrusionentity_extents(), Slic3r::_3DScene::extrusionentity_to_verts(), Slic3r::FFFSupport::modulate_extrusion_by_overlapping_layers(), operator=(), polygons_covered_by_spacing(), polygons_covered_by_width(), Slic3r::ExtrusionLoop::split_at(), Slic3r::PerimeterGenerator::thick_polyline_to_multi_path(), and Slic3r::traverse_loops_classic().

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The documentation for this class was generated from the following files:

• src/libslic3r/ExtrusionEntity.hpp
• src/libslic3r/ExtrusionEntity.cpp