650 lines
30 KiB
C++
650 lines
30 KiB
C++
#ifndef slic3r_ExtrusionEntity_hpp_
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#define slic3r_ExtrusionEntity_hpp_
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#include "libslic3r.h"
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#include "Polygon.hpp"
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#include "Polyline.hpp"
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#include <assert.h>
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#include <string_view>
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#include <numeric>
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namespace Slic3r {
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class ExPolygon;
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using ExPolygons = std::vector<ExPolygon>;
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class ExtrusionEntityCollection;
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class Extruder;
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// Each ExtrusionRole value identifies a distinct set of { extruder, speed }
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enum ExtrusionRole : uint8_t {
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erNone,
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erPerimeter,
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erExternalPerimeter,
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erOverhangPerimeter,
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erInternalInfill,
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erSolidInfill,
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erTopSolidInfill,
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erBottomSurface,
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erIroning,
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erBridgeInfill,
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erGapFill,
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erSkirt,
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erBrim,
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erSupportMaterial,
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erSupportMaterialInterface,
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erSupportTransition,
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erWipeTower,
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erCustom,
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// Extrusion role for a collection with multiple extrusion roles.
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erMixed,
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erCount
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};
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// Special flags describing loop
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enum ExtrusionLoopRole {
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elrDefault,
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elrContourInternalPerimeter,
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elrSkirt,
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elrPerimeterHole,
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};
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inline bool is_perimeter(ExtrusionRole role)
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{
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return role == erPerimeter
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|| role == erExternalPerimeter
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|| role == erOverhangPerimeter;
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}
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inline bool is_infill(ExtrusionRole role)
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{
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return role == erBridgeInfill
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|| role == erInternalInfill
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|| role == erSolidInfill
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|| role == erTopSolidInfill
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|| role == erBottomSurface
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|| role == erIroning;
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}
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inline bool is_top_surface(ExtrusionRole role)
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{
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return role == erTopSolidInfill;
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}
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inline bool is_solid_infill(ExtrusionRole role)
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{
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return role == erBridgeInfill
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|| role == erSolidInfill
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|| role == erTopSolidInfill
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|| role == erBottomSurface
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|| role == erIroning;
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}
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inline bool is_bridge(ExtrusionRole role) {
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return role == erBridgeInfill
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|| role == erOverhangPerimeter;
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}
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class ExtrusionEntity
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{
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public:
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virtual ExtrusionRole role() const = 0;
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virtual bool is_collection() const { return false; }
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virtual bool is_loop() const { return false; }
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virtual bool can_reverse() const { return true; }
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virtual bool can_sort() const { return true; }//BBS: only used in ExtrusionEntityCollection
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virtual void set_reverse() {}
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virtual ExtrusionEntity* clone() const = 0;
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// Create a new object, initialize it with this object using the move semantics.
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virtual ExtrusionEntity* clone_move() = 0;
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virtual ~ExtrusionEntity() {}
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virtual void reverse() = 0;
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virtual const Point& first_point() const = 0;
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virtual const Point& last_point() const = 0;
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// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion width.
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// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
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virtual void polygons_covered_by_width(Polygons &out, const float scaled_epsilon) const = 0;
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// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion spacing.
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// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
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// Useful to calculate area of an infill, which has been really filled in by a 100% rectilinear infill.
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virtual void polygons_covered_by_spacing(Polygons &out, const float scaled_epsilon) const = 0;
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Polygons polygons_covered_by_width(const float scaled_epsilon = 0.f) const
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{ Polygons out; this->polygons_covered_by_width(out, scaled_epsilon); return out; }
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Polygons polygons_covered_by_spacing(const float scaled_epsilon = 0.f) const
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{ Polygons out; this->polygons_covered_by_spacing(out, scaled_epsilon); return out; }
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// Minimum volumetric velocity of this extrusion entity. Used by the constant nozzle pressure algorithm.
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virtual double min_mm3_per_mm() const = 0;
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virtual Polyline as_polyline() const = 0;
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virtual void collect_polylines(Polylines &dst) const = 0;
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virtual void collect_points(Points &dst) const = 0;
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virtual Polylines as_polylines() const { Polylines dst; this->collect_polylines(dst); return dst; }
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virtual double length() const = 0;
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virtual double total_volume() const = 0;
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static std::string role_to_string(ExtrusionRole role);
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static ExtrusionRole string_to_role(const std::string_view role);
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};
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typedef std::vector<ExtrusionEntity*> ExtrusionEntitiesPtr;
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class ExtrusionPath : public ExtrusionEntity
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{
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public:
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Polyline polyline;
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double overhang_degree = 0;
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int curve_degree = 0;
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// Volumetric velocity. mm^3 of plastic per mm of linear head motion. Used by the G-code generator.
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double mm3_per_mm;
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// Width of the extrusion, used for visualization purposes.
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float width;
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// Height of the extrusion, used for visualization purposes.
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float height;
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double smooth_speed = 0;
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ExtrusionPath() : mm3_per_mm(-1), width(-1), height(-1), m_role(erNone), m_no_extrusion(false) {}
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ExtrusionPath(ExtrusionRole role) : mm3_per_mm(-1), width(-1), height(-1), m_role(role), m_no_extrusion(false) {}
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ExtrusionPath(ExtrusionRole role, double mm3_per_mm, float width, float height, bool no_extrusion = false) : mm3_per_mm(mm3_per_mm), width(width), height(height), m_role(role), m_no_extrusion(no_extrusion) {}
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ExtrusionPath(double overhang_degree, int curve_degree, ExtrusionRole role, double mm3_per_mm, float width, float height) : overhang_degree(overhang_degree), curve_degree(curve_degree), mm3_per_mm(mm3_per_mm), width(width), height(height), m_role(role) {}
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ExtrusionPath(const ExtrusionPath &rhs)
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: polyline(rhs.polyline)
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, overhang_degree(rhs.overhang_degree)
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, curve_degree(rhs.curve_degree)
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, mm3_per_mm(rhs.mm3_per_mm)
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, width(rhs.width)
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, height(rhs.height)
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, smooth_speed(rhs.smooth_speed)
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, m_can_reverse(rhs.m_can_reverse)
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, m_role(rhs.m_role)
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, m_no_extrusion(rhs.m_no_extrusion)
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{}
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ExtrusionPath(ExtrusionPath &&rhs)
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: polyline(std::move(rhs.polyline))
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, overhang_degree(rhs.overhang_degree)
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, curve_degree(rhs.curve_degree)
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, mm3_per_mm(rhs.mm3_per_mm)
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, width(rhs.width)
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, height(rhs.height)
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, smooth_speed(rhs.smooth_speed)
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, m_can_reverse(rhs.m_can_reverse)
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, m_role(rhs.m_role)
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, m_no_extrusion(rhs.m_no_extrusion)
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{}
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ExtrusionPath(const Polyline &polyline, const ExtrusionPath &rhs)
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: polyline(polyline)
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, overhang_degree(rhs.overhang_degree)
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, curve_degree(rhs.curve_degree)
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, mm3_per_mm(rhs.mm3_per_mm)
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, width(rhs.width)
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, height(rhs.height)
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, smooth_speed(rhs.smooth_speed)
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, m_can_reverse(rhs.m_can_reverse)
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, m_role(rhs.m_role)
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, m_no_extrusion(rhs.m_no_extrusion)
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{}
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ExtrusionPath(Polyline &&polyline, const ExtrusionPath &rhs)
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: polyline(std::move(polyline))
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, overhang_degree(rhs.overhang_degree)
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, curve_degree(rhs.curve_degree)
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, mm3_per_mm(rhs.mm3_per_mm)
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, width(rhs.width)
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, height(rhs.height)
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, smooth_speed(rhs.smooth_speed)
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, m_can_reverse(rhs.m_can_reverse)
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, m_role(rhs.m_role)
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, m_no_extrusion(rhs.m_no_extrusion)
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{}
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ExtrusionPath& operator=(const ExtrusionPath& rhs) {
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m_can_reverse = rhs.m_can_reverse;
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m_role = rhs.m_role;
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m_no_extrusion = rhs.m_no_extrusion;
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this->mm3_per_mm = rhs.mm3_per_mm;
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this->width = rhs.width;
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this->height = rhs.height;
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this->smooth_speed = rhs.smooth_speed;
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this->overhang_degree = rhs.overhang_degree;
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this->curve_degree = rhs.curve_degree;
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this->polyline = rhs.polyline;
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return *this;
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}
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ExtrusionPath& operator=(ExtrusionPath&& rhs) {
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m_can_reverse = rhs.m_can_reverse;
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m_role = rhs.m_role;
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m_no_extrusion = rhs.m_no_extrusion;
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this->mm3_per_mm = rhs.mm3_per_mm;
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this->width = rhs.width;
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this->height = rhs.height;
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this->smooth_speed = rhs.smooth_speed;
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this->overhang_degree = rhs.overhang_degree;
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this->curve_degree = rhs.curve_degree;
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this->polyline = std::move(rhs.polyline);
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return *this;
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}
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ExtrusionEntity* clone() const override { return new ExtrusionPath(*this); }
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// Create a new object, initialize it with this object using the move semantics.
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ExtrusionEntity* clone_move() override { return new ExtrusionPath(std::move(*this)); }
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void reverse() override { this->polyline.reverse(); }
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const Point& first_point() const override { return this->polyline.points.front(); }
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const Point& last_point() const override { return this->polyline.points.back(); }
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size_t size() const { return this->polyline.size(); }
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bool empty() const { return this->polyline.empty(); }
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bool is_closed() const { return ! this->empty() && this->polyline.points.front() == this->polyline.points.back(); }
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// Produce a list of extrusion paths into retval by clipping this path by ExPolygons.
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// Currently not used.
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void intersect_expolygons(const ExPolygons &collection, ExtrusionEntityCollection* retval) const;
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// Produce a list of extrusion paths into retval by removing parts of this path by ExPolygons.
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// Currently not used.
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void subtract_expolygons(const ExPolygons &collection, ExtrusionEntityCollection* retval) const;
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void clip_end(double distance);
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void simplify(double tolerance);
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double length() const override;
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ExtrusionRole role() const override { return m_role; }
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// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion width.
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// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
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void polygons_covered_by_width(Polygons &out, const float scaled_epsilon) const override;
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// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion spacing.
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// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
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// Useful to calculate area of an infill, which has been really filled in by a 100% rectilinear infill.
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void polygons_covered_by_spacing(Polygons &out, const float scaled_epsilon) const override;
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Polygons polygons_covered_by_width(const float scaled_epsilon = 0.f) const
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{ Polygons out; this->polygons_covered_by_width(out, scaled_epsilon); return out; }
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Polygons polygons_covered_by_spacing(const float scaled_epsilon = 0.f) const
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{ Polygons out; this->polygons_covered_by_spacing(out, scaled_epsilon); return out; }
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// Minimum volumetric velocity of this extrusion entity. Used by the constant nozzle pressure algorithm.
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double min_mm3_per_mm() const override { return this->mm3_per_mm; }
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Polyline as_polyline() const override { return this->polyline; }
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void collect_polylines(Polylines &dst) const override { if (! this->polyline.empty()) dst.emplace_back(this->polyline); }
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void collect_points(Points &dst) const override { append(dst, this->polyline.points); }
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double total_volume() const override { return mm3_per_mm * unscale<double>(length()); }
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void set_overhang_degree(int overhang) {
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if (is_perimeter(m_role))
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overhang_degree = (overhang < 0)?0:(overhang > 10 ? 10 : overhang);
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};
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int get_overhang_degree() const {
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// only perimeter has overhang degree. Other return 0;
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if (is_perimeter(m_role))
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return (int)overhang_degree;
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return 0;
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};
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void set_curve_degree(int curve) {
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curve_degree = (curve < 0)?0:(curve > 10 ? 10 : curve);
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};
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int get_curve_degree() const {
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return curve_degree;
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};
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//BBS: add new simplifing method by fitting arc
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void simplify_by_fitting_arc(double tolerance);
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//BBS:
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bool is_force_no_extrusion() const { return m_no_extrusion; }
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void set_force_no_extrusion(bool no_extrusion) { m_no_extrusion = no_extrusion; }
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void set_extrusion_role(ExtrusionRole extrusion_role) { m_role = extrusion_role; }
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void set_reverse() override { m_can_reverse = false; }
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bool can_reverse() const override { return m_can_reverse; }
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bool can_merge(const ExtrusionPath& other);
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private:
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void _inflate_collection(const Polylines &polylines, ExtrusionEntityCollection* collection) const;
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bool m_can_reverse = true;
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ExtrusionRole m_role;
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//BBS
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bool m_no_extrusion = false;
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};
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class ExtrusionPathSloped : public ExtrusionPath
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{
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public:
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struct Slope
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{
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double z_ratio{1.};
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double e_ratio{1.};
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double speed_record{0.0};
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};
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Slope slope_begin;
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Slope slope_end;
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ExtrusionPathSloped(const ExtrusionPath &rhs, const Slope &begin, const Slope &end) : ExtrusionPath(rhs), slope_begin(begin), slope_end(end) {}
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ExtrusionPathSloped(ExtrusionPath &&rhs, const Slope &begin, const Slope &end) : ExtrusionPath(std::move(rhs)), slope_begin(begin), slope_end(end) {}
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ExtrusionPathSloped(const Polyline &polyline, const ExtrusionPath &rhs, const Slope &begin, const Slope &end) : ExtrusionPath(polyline, rhs), slope_begin(begin), slope_end(end)
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{}
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ExtrusionPathSloped(Polyline &&polyline, const ExtrusionPath &rhs, const Slope &begin, const Slope &end) : ExtrusionPath(std::move(polyline), rhs), slope_begin(begin), slope_end(end)
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{}
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Slope interpolate(const double ratio) const {
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return {
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lerp(slope_begin.z_ratio, slope_end.z_ratio, ratio),
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lerp(slope_begin.e_ratio, slope_end.e_ratio, ratio),
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lerp(slope_begin.speed_record, slope_end.speed_record, ratio),
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};
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}
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bool is_flat() const { return is_approx(slope_begin.z_ratio, slope_end.z_ratio); }
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};
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class ExtrusionPathOriented : public ExtrusionPath
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{
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public:
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ExtrusionPathOriented(ExtrusionRole role, double mm3_per_mm, float width, float height) : ExtrusionPath(role, mm3_per_mm, width, height) {}
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ExtrusionEntity* clone() const override { return new ExtrusionPathOriented(*this); }
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// Create a new object, initialize it with this object using the move semantics.
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ExtrusionEntity* clone_move() override { return new ExtrusionPathOriented(std::move(*this)); }
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virtual bool can_reverse() const override { return false; }
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};
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typedef std::vector<ExtrusionPath> ExtrusionPaths;
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// Single continuous extrusion path, possibly with varying extrusion thickness, extrusion height or bridging / non bridging.
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class ExtrusionMultiPath : public ExtrusionEntity
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{
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public:
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ExtrusionPaths paths;
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ExtrusionMultiPath() {}
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ExtrusionMultiPath(const ExtrusionMultiPath &rhs) : paths(rhs.paths), m_can_reverse(rhs.m_can_reverse) {}
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ExtrusionMultiPath(ExtrusionMultiPath &&rhs) : paths(std::move(rhs.paths)), m_can_reverse(rhs.m_can_reverse) {}
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ExtrusionMultiPath(const ExtrusionPaths &paths) : paths(paths) {}
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ExtrusionMultiPath(const ExtrusionPath &path) {this->paths.push_back(path); m_can_reverse = path.can_reverse(); }
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ExtrusionMultiPath &operator=(const ExtrusionMultiPath &rhs)
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{
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this->paths = rhs.paths;
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m_can_reverse = rhs.m_can_reverse;
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return *this;
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}
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ExtrusionMultiPath &operator=(ExtrusionMultiPath &&rhs)
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{
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this->paths = std::move(rhs.paths);
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m_can_reverse = rhs.m_can_reverse;
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return *this;
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}
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bool is_loop() const override { return false; }
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bool can_reverse() const override { return m_can_reverse; }
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void set_reverse() override { m_can_reverse = false; }
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ExtrusionEntity* clone() const override { return new ExtrusionMultiPath(*this); }
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// Create a new object, initialize it with this object using the move semantics.
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ExtrusionEntity* clone_move() override { return new ExtrusionMultiPath(std::move(*this)); }
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void reverse() override;
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const Point& first_point() const override { return this->paths.front().polyline.points.front(); }
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const Point& last_point() const override { return this->paths.back().polyline.points.back(); }
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size_t size() const { return this->paths.size(); }
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bool empty() const { return this->paths.empty(); }
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double length() const override;
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ExtrusionRole role() const override { return this->paths.empty() ? erNone : this->paths.front().role(); }
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// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion width.
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// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
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void polygons_covered_by_width(Polygons &out, const float scaled_epsilon) const override;
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// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion spacing.
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// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
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// Useful to calculate area of an infill, which has been really filled in by a 100% rectilinear infill.
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void polygons_covered_by_spacing(Polygons &out, const float scaled_epsilon) const override;
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Polygons polygons_covered_by_width(const float scaled_epsilon = 0.f) const
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{ Polygons out; this->polygons_covered_by_width(out, scaled_epsilon); return out; }
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Polygons polygons_covered_by_spacing(const float scaled_epsilon = 0.f) const
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{ Polygons out; this->polygons_covered_by_spacing(out, scaled_epsilon); return out; }
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// Minimum volumetric velocity of this extrusion entity. Used by the constant nozzle pressure algorithm.
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double min_mm3_per_mm() const override;
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Polyline as_polyline() const override;
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void collect_polylines(Polylines &dst) const override { Polyline pl = this->as_polyline(); if (! pl.empty()) dst.emplace_back(std::move(pl)); }
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void collect_points(Points &dst) const override {
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size_t n = std::accumulate(paths.begin(), paths.end(), 0, [](const size_t n, const ExtrusionPath &p){ return n + p.polyline.size(); });
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dst.reserve(dst.size() + n);
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for (const ExtrusionPath &p : this->paths)
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append(dst, p.polyline.points);
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}
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double total_volume() const override { double volume =0.; for (const auto& path : paths) volume += path.total_volume(); return volume; }
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private:
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bool m_can_reverse = true;
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};
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// Single continuous extrusion loop, possibly with varying extrusion thickness, extrusion height or bridging / non bridging.
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class ExtrusionLoop : public ExtrusionEntity
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{
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public:
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ExtrusionPaths paths;
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ExtrusionLoop(ExtrusionLoopRole role = elrDefault) : m_loop_role(role) {}
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ExtrusionLoop(const ExtrusionPaths &paths, ExtrusionLoopRole role = elrDefault) : paths(paths), m_loop_role(role) {}
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ExtrusionLoop(ExtrusionPaths &&paths, ExtrusionLoopRole role = elrDefault) : paths(std::move(paths)), m_loop_role(role) {}
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ExtrusionLoop(const ExtrusionPath &path, ExtrusionLoopRole role = elrDefault) : m_loop_role(role)
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{ this->paths.push_back(path); }
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ExtrusionLoop(const ExtrusionPath &&path, ExtrusionLoopRole role = elrDefault) : m_loop_role(role)
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{ this->paths.emplace_back(std::move(path)); }
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bool is_loop() const override{ return true; }
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bool can_reverse() const override { return false; }
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ExtrusionEntity* clone() const override{ return new ExtrusionLoop (*this); }
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// Create a new object, initialize it with this object using the move semantics.
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ExtrusionEntity* clone_move() override { return new ExtrusionLoop(std::move(*this)); }
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bool make_clockwise();
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bool make_counter_clockwise();
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bool is_clockwise() { return this->polygon().is_clockwise(); }
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bool is_counter_clockwise() { return this->polygon().is_counter_clockwise(); }
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void reverse() override;
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const Point& first_point() const override { return this->paths.front().polyline.points.front(); }
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const Point& last_point() const override { assert(this->first_point() == this->paths.back().polyline.points.back()); return this->first_point(); }
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Polygon polygon() const;
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double length() const override;
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bool split_at_vertex(const Point &point, const double scaled_epsilon = scaled<double>(0.001));
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void split_at(const Point &point, bool prefer_non_overhang, const double scaled_epsilon = scaled<double>(0.001));
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struct ClosestPathPoint
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{
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size_t path_idx;
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size_t segment_idx;
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Point foot_pt;
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};
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ClosestPathPoint get_closest_path_and_point(const Point &point, bool prefer_non_overhang) const;
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void clip_end(double distance, ExtrusionPaths* paths) const;
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// Test, whether the point is extruded by a bridging flow.
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// This used to be used to avoid placing seams on overhangs, but now the EdgeGrid is used instead.
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bool has_overhang_point(const Point &point) const;
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ExtrusionRole role() const override { return this->paths.empty() ? erNone : this->paths.front().role(); }
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ExtrusionLoopRole loop_role() const { return m_loop_role; }
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void set_loop_role(ExtrusionLoopRole role) { m_loop_role = role; }
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// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion width.
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// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
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void polygons_covered_by_width(Polygons &out, const float scaled_epsilon) const override;
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// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion spacing.
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// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
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// Useful to calculate area of an infill, which has been really filled in by a 100% rectilinear infill.
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void polygons_covered_by_spacing(Polygons &out, const float scaled_epsilon) const override;
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Polygons polygons_covered_by_width(const float scaled_epsilon = 0.f) const
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{ Polygons out; this->polygons_covered_by_width(out, scaled_epsilon); return out; }
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Polygons polygons_covered_by_spacing(const float scaled_epsilon = 0.f) const
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{ Polygons out; this->polygons_covered_by_spacing(out, scaled_epsilon); return out; }
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// Minimum volumetric velocity of this extrusion entity. Used by the constant nozzle pressure algorithm.
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double min_mm3_per_mm() const override;
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Polyline as_polyline() const override { return this->polygon().split_at_first_point(); }
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void collect_polylines(Polylines &dst) const override { Polyline pl = this->as_polyline(); if (! pl.empty()) dst.emplace_back(std::move(pl)); }
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void collect_points(Points &dst) const override {
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size_t n = std::accumulate(paths.begin(), paths.end(), 0, [](const size_t n, const ExtrusionPath &p){ return n + p.polyline.size(); });
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dst.reserve(dst.size() + n);
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for (const ExtrusionPath &p : this->paths)
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append(dst, p.polyline.points);
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}
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double total_volume() const override { double volume =0.; for (const auto& path : paths) volume += path.total_volume(); return volume; }
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// check if the loop is smooth, angle_threshold is in radians, default is 10 degrees
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bool check_seam_point_angle(double angle_threshold = 0.174, double min_arm_length = 0.025) const;
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//static inline std::string role_to_string(ExtrusionLoopRole role);
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#ifndef NDEBUG
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bool validate() const {
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assert(this->first_point() == this->paths.back().polyline.points.back());
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for (size_t i = 1; i < paths.size(); ++ i)
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assert(this->paths[i - 1].polyline.points.back() == this->paths[i].polyline.points.front());
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return true;
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}
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#endif /* NDEBUG */
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private:
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ExtrusionLoopRole m_loop_role;
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};
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class ExtrusionLoopSloped : public ExtrusionLoop
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{
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public:
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std::vector<ExtrusionPathSloped> starts;
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std::vector<ExtrusionPathSloped> ends;
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double target_speed{0.0};
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ExtrusionLoopSloped(
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ExtrusionPaths &original_paths, double seam_gap, double slope_min_length, double slope_max_segment_length, double start_slope_ratio, ExtrusionLoopRole role = elrDefault);
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[[nodiscard]] std::vector<const ExtrusionPath *> get_all_paths() const;
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void clip_slope(double distance, bool inter_perimeter = false );
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void clip_end(const double distance);
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void clip_front(const double distance);
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double slope_path_length();
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void slowdown_slope_speed();
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};
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inline void extrusion_paths_append(ExtrusionPaths &dst, Polylines &polylines, ExtrusionRole role, double mm3_per_mm, float width, float height)
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{
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dst.reserve(dst.size() + polylines.size());
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for (Polyline &polyline : polylines)
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if (polyline.is_valid()) {
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dst.push_back(ExtrusionPath(role, mm3_per_mm, width, height));
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dst.back().polyline = polyline;
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}
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}
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inline void extrusion_paths_append(ExtrusionPaths &dst, Polylines &polylines, double overhang_degree, int curva_degree, ExtrusionRole role, double mm3_per_mm, float width, float height)
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{
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dst.reserve(dst.size() + polylines.size());
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for (Polyline &polyline : polylines)
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if (polyline.is_valid()) {
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dst.push_back(ExtrusionPath(overhang_degree, curva_degree, role, mm3_per_mm, width, height));
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dst.back().polyline = polyline;
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}
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}
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inline void extrusion_paths_append(ExtrusionPaths &dst, Polylines &&polylines, ExtrusionRole role, double mm3_per_mm, float width, float height)
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{
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dst.reserve(dst.size() + polylines.size());
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for (Polyline &polyline : polylines)
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if (polyline.is_valid()) {
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dst.push_back(ExtrusionPath(role, mm3_per_mm, width, height));
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dst.back().polyline = std::move(polyline);
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}
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polylines.clear();
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}
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inline void extrusion_paths_append(ExtrusionPaths &dst, Polylines &&polylines, double overhang_degree, int curva_degree, ExtrusionRole role, double mm3_per_mm, float width, float height)
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{
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dst.reserve(dst.size() + polylines.size());
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for (Polyline &polyline : polylines)
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if (polyline.is_valid()) {
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dst.push_back(ExtrusionPath(overhang_degree, curva_degree, role, mm3_per_mm, width, height));
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dst.back().polyline = std::move(polyline);
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}
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polylines.clear();
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}
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inline void extrusion_paths_append(ExtrusionPaths &dst, Polyline &&polyline, double overhang_degree, int curva_degree, ExtrusionRole role, double mm3_per_mm, float width, float height)
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{
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dst.reserve(dst.size() + 1);
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if (polyline.is_valid()) {
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dst.push_back(ExtrusionPath(overhang_degree, curva_degree, role, mm3_per_mm, width, height));
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dst.back().polyline = std::move(polyline);
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}
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polyline.clear();
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}
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inline void extrusion_entities_append_paths(ExtrusionEntitiesPtr &dst, Polylines &polylines, ExtrusionRole role, double mm3_per_mm, float width, float height)
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{
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dst.reserve(dst.size() + polylines.size());
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for (Polyline &polyline : polylines)
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if (polyline.is_valid()) {
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ExtrusionPath *extrusion_path = new ExtrusionPath(role, mm3_per_mm, width, height);
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dst.push_back(extrusion_path);
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extrusion_path->polyline = polyline;
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}
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}
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inline void extrusion_entities_append_paths(ExtrusionEntitiesPtr &dst, Polylines &&polylines, ExtrusionRole role, double mm3_per_mm, float width, float height, bool can_reverse = true)
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{
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dst.reserve(dst.size() + polylines.size());
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for (Polyline &polyline : polylines)
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if (polyline.is_valid()) {
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ExtrusionPath *extrusion_path = can_reverse ? new ExtrusionPath(role, mm3_per_mm, width, height) : new ExtrusionPathOriented(role, mm3_per_mm, width, height);
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dst.push_back(extrusion_path);
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extrusion_path->polyline = std::move(polyline);
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}
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polylines.clear();
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}
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//BBS: a kind of special extrusion path has start and end wiping for half spacing
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inline void extrusion_entities_append_paths_with_wipe(ExtrusionEntitiesPtr &dst, Polylines &&polylines, ExtrusionRole role, double mm3_per_mm, float width, float height)
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{
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dst.reserve(dst.size() + polylines.size());
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Point new_start, new_end, last_end_point;
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bool last_end_point_valid = false;
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Vec2d temp;
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ExtrusionMultiPath* multi_path = new ExtrusionMultiPath();
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for (Polyline& polyline : polylines) {
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if (polyline.is_valid()) {
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if (last_end_point_valid) {
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Point temp = polyline.first_point() - last_end_point;
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if (Vec2d(temp.x(), temp.y()).norm() <= 3 * scaled(width)) {
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multi_path->paths.push_back(ExtrusionPath(role, mm3_per_mm, width, height, true));
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multi_path->paths.back().polyline = std::move(Polyline(last_end_point, polyline.first_point()));
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} else {
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dst.push_back(multi_path);
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multi_path = new ExtrusionMultiPath();
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}
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}
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multi_path->paths.push_back(ExtrusionPath(role, mm3_per_mm, width, height));
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multi_path->paths.back().polyline = std::move(polyline);
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last_end_point_valid = true;
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last_end_point = multi_path->paths.back().polyline.last_point();
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}
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}
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if (!multi_path->empty())
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dst.push_back(multi_path);
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polylines.clear();
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dst.shrink_to_fit();
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}
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inline void extrusion_entities_append_loops(ExtrusionEntitiesPtr &dst, Polygons &&loops, ExtrusionRole role, double mm3_per_mm, float width, float height)
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{
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dst.reserve(dst.size() + loops.size());
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for (Polygon &poly : loops) {
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if (poly.is_valid()) {
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ExtrusionPath path(role, mm3_per_mm, width, height);
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path.polyline.points = std::move(poly.points);
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path.polyline.points.push_back(path.polyline.points.front());
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dst.emplace_back(new ExtrusionLoop(std::move(path)));
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}
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}
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loops.clear();
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}
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inline void extrusion_entities_append_loops_and_paths(ExtrusionEntitiesPtr &dst, Polylines &&polylines, ExtrusionRole role, double mm3_per_mm, float width, float height)
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{
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dst.reserve(dst.size() + polylines.size());
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for (Polyline &polyline : polylines) {
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if (polyline.is_valid()) {
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if (polyline.is_closed()) {
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ExtrusionPath extrusion_path(role, mm3_per_mm, width, height);
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extrusion_path.polyline = std::move(polyline);
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dst.emplace_back(new ExtrusionLoop(std::move(extrusion_path)));
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} else {
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ExtrusionPath *extrusion_path = new ExtrusionPath(role, mm3_per_mm, width, height);
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extrusion_path->polyline = std::move(polyline);
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dst.emplace_back(extrusion_path);
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}
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}
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}
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polylines.clear();
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}
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}
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#endif
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