79f5a16536
These could be calculated from the fill areas if needed. On the other side, the non-classified (non-split) fill areas are stored now for use in the "ensure vertical wall thickness" feature, also the non-split fill areas are re-used when recalculating the infills. This is safer than trying to stitch the fill region together from the classified fragments. Modified the "ensure vertical wall thickness" feature to use the non-split fill areas instead of perimeter areas for the calculation of non-supported regions. This is cheaper as the fill areas contain roughly half the edges.
240 lines
8.9 KiB
C++
240 lines
8.9 KiB
C++
#ifndef slic3r_Surface_hpp_
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#define slic3r_Surface_hpp_
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#include "libslic3r.h"
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#include "ExPolygon.hpp"
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namespace Slic3r {
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enum SurfaceType {
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// Top horizontal surface, visible from the top.
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stTop,
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// Bottom horizontal surface, visible from the bottom, printed with a normal extrusion flow.
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stBottom,
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// Bottom horizontal surface, visible from the bottom, unsupported, printed with a bridging extrusion flow.
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stBottomBridge,
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// Normal sparse infill.
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stInternal,
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// Full infill, supporting the top surfaces and/or defining the verticall wall thickness.
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stInternalSolid,
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// 1st layer of dense infill over sparse infill, printed with a bridging extrusion flow.
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stInternalBridge,
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// stInternal turns into void surfaces if the sparse infill is used for supports only,
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// or if sparse infill layers get combined into a single layer.
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stInternalVoid,
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// Inner/outer perimeters.
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stPerimeter
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};
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class Surface
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{
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public:
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SurfaceType surface_type;
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ExPolygon expolygon;
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double thickness; // in mm
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unsigned short thickness_layers; // in layers
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double bridge_angle; // in radians, ccw, 0 = East, only 0+ (negative means undefined)
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unsigned short extra_perimeters;
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Surface(SurfaceType _surface_type, const ExPolygon &_expolygon)
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: surface_type(_surface_type), expolygon(_expolygon),
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thickness(-1), thickness_layers(1), bridge_angle(-1), extra_perimeters(0)
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{};
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Surface(const Surface &other, const ExPolygon &_expolygon)
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: surface_type(other.surface_type), expolygon(_expolygon),
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thickness(other.thickness), thickness_layers(other.thickness_layers), bridge_angle(other.bridge_angle), extra_perimeters(other.extra_perimeters)
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{};
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#if SLIC3R_CPPVER >= 11
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Surface(SurfaceType _surface_type, const ExPolygon &&_expolygon)
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: surface_type(_surface_type), expolygon(std::move(_expolygon)),
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thickness(-1), thickness_layers(1), bridge_angle(-1), extra_perimeters(0)
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{};
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Surface(const Surface &other, const ExPolygon &&_expolygon)
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: surface_type(other.surface_type), expolygon(std::move(_expolygon)),
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thickness(other.thickness), thickness_layers(other.thickness_layers), bridge_angle(other.bridge_angle), extra_perimeters(other.extra_perimeters)
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{};
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#endif
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operator Polygons() const;
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double area() const;
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bool empty() const { return expolygon.empty(); }
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bool is_solid() const;
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bool is_external() const;
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bool is_internal() const;
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bool is_bottom() const;
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bool is_bridge() const;
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};
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typedef std::vector<Surface> Surfaces;
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typedef std::vector<Surface*> SurfacesPtr;
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inline Polygons to_polygons(const Surfaces &src)
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{
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size_t num = 0;
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for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++it)
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num += it->expolygon.holes.size() + 1;
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Polygons polygons;
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polygons.reserve(num);
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for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++it) {
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polygons.push_back(it->expolygon.contour);
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for (Polygons::const_iterator ith = it->expolygon.holes.begin(); ith != it->expolygon.holes.end(); ++ith)
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polygons.push_back(*ith);
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}
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return polygons;
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}
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inline Polygons to_polygons(const SurfacesPtr &src)
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{
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size_t num = 0;
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for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++it)
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num += (*it)->expolygon.holes.size() + 1;
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Polygons polygons;
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polygons.reserve(num);
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for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++it) {
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polygons.push_back((*it)->expolygon.contour);
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for (Polygons::const_iterator ith = (*it)->expolygon.holes.begin(); ith != (*it)->expolygon.holes.end(); ++ith)
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polygons.push_back(*ith);
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}
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return polygons;
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}
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inline ExPolygons to_expolygons(const Surfaces &src)
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{
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ExPolygons expolygons;
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expolygons.reserve(src.size());
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for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++it)
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expolygons.push_back(it->expolygon);
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return expolygons;
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}
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inline ExPolygons to_expolygons(const SurfacesPtr &src)
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{
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ExPolygons expolygons;
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expolygons.reserve(src.size());
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for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++it)
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expolygons.push_back((*it)->expolygon);
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return expolygons;
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}
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// Count a nuber of polygons stored inside the vector of expolygons.
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// Useful for allocating space for polygons when converting expolygons to polygons.
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inline size_t number_polygons(const Surfaces &surfaces)
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{
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size_t n_polygons = 0;
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for (Surfaces::const_iterator it = surfaces.begin(); it != surfaces.end(); ++ it)
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n_polygons += it->expolygon.holes.size() + 1;
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return n_polygons;
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}
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inline size_t number_polygons(const SurfacesPtr &surfaces)
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{
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size_t n_polygons = 0;
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for (SurfacesPtr::const_iterator it = surfaces.begin(); it != surfaces.end(); ++ it)
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n_polygons += (*it)->expolygon.holes.size() + 1;
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return n_polygons;
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}
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// Append a vector of Surfaces at the end of another vector of polygons.
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inline void polygons_append(Polygons &dst, const Surfaces &src)
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{
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dst.reserve(dst.size() + number_polygons(src));
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for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++ it) {
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dst.push_back(it->expolygon.contour);
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dst.insert(dst.end(), it->expolygon.holes.begin(), it->expolygon.holes.end());
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}
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}
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#if SLIC3R_CPPVER >= 11
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inline void polygons_append(Polygons &dst, Surfaces &&src)
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{
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dst.reserve(dst.size() + number_polygons(src));
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for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++ it) {
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dst.push_back(std::move(it->expolygon.contour));
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std::move(std::begin(it->expolygon.holes), std::end(it->expolygon.holes), std::back_inserter(dst));
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}
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}
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#endif
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// Append a vector of Surfaces at the end of another vector of polygons.
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inline void polygons_append(Polygons &dst, const SurfacesPtr &src)
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{
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dst.reserve(dst.size() + number_polygons(src));
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for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++ it) {
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dst.push_back((*it)->expolygon.contour);
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dst.insert(dst.end(), (*it)->expolygon.holes.begin(), (*it)->expolygon.holes.end());
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}
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}
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#if SLIC3R_CPPVER >= 11
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inline void polygons_append(Polygons &dst, SurfacesPtr &&src)
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{
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dst.reserve(dst.size() + number_polygons(src));
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for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++ it) {
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dst.push_back(std::move((*it)->expolygon.contour));
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std::move(std::begin((*it)->expolygon.holes), std::end((*it)->expolygon.holes), std::back_inserter(dst));
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}
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}
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#endif
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// Append a vector of Surfaces at the end of another vector of polygons.
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inline void surfaces_append(Surfaces &dst, const ExPolygons &src, SurfaceType surfaceType)
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{
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dst.reserve(dst.size() + src.size());
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for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++ it)
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dst.push_back(Surface(surfaceType, *it));
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}
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inline void surfaces_append(Surfaces &dst, const ExPolygons &src, const Surface &surfaceTempl)
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{
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dst.reserve(dst.size() + number_polygons(src));
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for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++ it)
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dst.push_back(Surface(surfaceTempl, *it));
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}
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inline void surfaces_append(Surfaces &dst, const Surfaces &src)
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{
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dst.insert(dst.end(), src.begin(), src.end());
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}
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#if SLIC3R_CPPVER >= 11
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inline void surfaces_append(Surfaces &dst, ExPolygons &&src, SurfaceType surfaceType)
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{
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dst.reserve(dst.size() + src.size());
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for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++ it)
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dst.push_back(Surface(surfaceType, std::move(*it)));
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}
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inline void surfaces_append(Surfaces &dst, ExPolygons &&src, const Surface &surfaceTempl)
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{
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dst.reserve(dst.size() + number_polygons(src));
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for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++ it)
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dst.push_back(Surface(surfaceTempl, std::move(*it)));
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}
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inline void surfaces_append(Surfaces &dst, Surfaces &&src)
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{
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if (dst.empty())
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dst = std::move(src);
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else
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std::move(std::begin(src), std::end(src), std::back_inserter(dst));
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}
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#endif
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extern BoundingBox get_extents(const Surface &surface);
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extern BoundingBox get_extents(const Surfaces &surfaces);
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extern BoundingBox get_extents(const SurfacesPtr &surfaces);
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inline bool surfaces_could_merge(const Surface &s1, const Surface &s2)
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{
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return
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s1.surface_type == s2.surface_type &&
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s1.thickness == s2.thickness &&
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s1.thickness_layers == s2.thickness_layers &&
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s1.bridge_angle == s2.bridge_angle;
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}
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class SVG;
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extern const char* surface_type_to_color_name(const SurfaceType surface_type);
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extern void export_surface_type_legend_to_svg(SVG &svg, const Point &pos);
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extern Point export_surface_type_legend_to_svg_box_size();
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extern bool export_to_svg(const char *path, const Surfaces &surfaces, const float transparency = 1.f);
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}
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#endif
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