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#ifndef slic3r_Surface_hpp_
#define slic3r_Surface_hpp_
#include "libslic3r.h"
#include "ExPolygon.hpp"
namespace Slic3r {
enum SurfaceType {
// Top horizontal surface, visible from the top.
stTop,
// Bottom horizontal surface, visible from the bottom, printed with a normal extrusion flow.
stBottom,
// Bottom horizontal surface, visible from the bottom, unsupported, printed with a bridging extrusion flow.
stBottomBridge,
// Normal sparse infill.
stInternal,
// Full infill, supporting the top surfaces and/or defining the verticall wall thickness.
stInternalSolid,
// 1st layer of dense infill over sparse infill, printed with a bridging extrusion flow.
stInternalBridge,
// stInternal turns into void surfaces if the sparse infill is used for supports only,
// or if sparse infill layers get combined into a single layer.
stInternalVoid,
// Inner/outer perimeters.
stPerimeter,
// Last surface type, if the SurfaceType is used as an index into a vector.
stLast,
stCount = stLast + 1
};
class Surface
{
public:
SurfaceType surface_type;
ExPolygon expolygon;
double thickness; // in mm
unsigned short thickness_layers; // in layers
double bridge_angle; // in radians, ccw, 0 = East, only 0+ (negative means undefined)
unsigned short extra_perimeters;
Surface(const Slic3r::Surface &rhs)
: surface_type(rhs.surface_type), expolygon(rhs.expolygon),
thickness(rhs.thickness), thickness_layers(rhs.thickness_layers),
bridge_angle(rhs.bridge_angle), extra_perimeters(rhs.extra_perimeters)
{};
Surface(SurfaceType _surface_type, const ExPolygon &_expolygon)
: surface_type(_surface_type), expolygon(_expolygon),
thickness(-1), thickness_layers(1), bridge_angle(-1), extra_perimeters(0)
{};
Surface(const Surface &other, const ExPolygon &_expolygon)
: surface_type(other.surface_type), expolygon(_expolygon),
thickness(other.thickness), thickness_layers(other.thickness_layers),
bridge_angle(other.bridge_angle), extra_perimeters(other.extra_perimeters)
{};
Surface(Surface &&rhs)
: surface_type(rhs.surface_type), expolygon(std::move(rhs.expolygon)),
thickness(rhs.thickness), thickness_layers(rhs.thickness_layers),
bridge_angle(rhs.bridge_angle), extra_perimeters(rhs.extra_perimeters)
{};
Surface(SurfaceType _surface_type, const ExPolygon &&_expolygon)
: surface_type(_surface_type), expolygon(std::move(_expolygon)),
thickness(-1), thickness_layers(1), bridge_angle(-1), extra_perimeters(0)
{};
Surface(const Surface &other, const ExPolygon &&_expolygon)
: surface_type(other.surface_type), expolygon(std::move(_expolygon)),
thickness(other.thickness), thickness_layers(other.thickness_layers),
bridge_angle(other.bridge_angle), extra_perimeters(other.extra_perimeters)
{};
Surface& operator=(const Surface &rhs)
{
surface_type = rhs.surface_type;
expolygon = rhs.expolygon;
thickness = rhs.thickness;
thickness_layers = rhs.thickness_layers;
bridge_angle = rhs.bridge_angle;
extra_perimeters = rhs.extra_perimeters;
return *this;
}
Surface& operator=(Surface &&rhs)
{
surface_type = rhs.surface_type;
expolygon = std::move(rhs.expolygon);
thickness = rhs.thickness;
thickness_layers = rhs.thickness_layers;
bridge_angle = rhs.bridge_angle;
extra_perimeters = rhs.extra_perimeters;
return *this;
}
operator Polygons() const;
double area() const;
bool empty() const { return expolygon.empty(); }
void clear() { expolygon.clear(); }
bool is_solid() const;
bool is_external() const;
bool is_internal() const;
bool is_bottom() const;
bool is_bridge() const;
};
typedef std::vector<Surface> Surfaces;
typedef std::vector<Surface*> SurfacesPtr;
inline Polygons to_polygons(const Surfaces &src)
{
size_t num = 0;
for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++it)
num += it->expolygon.holes.size() + 1;
Polygons polygons;
polygons.reserve(num);
for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++it) {
polygons.emplace_back(it->expolygon.contour);
for (Polygons::const_iterator ith = it->expolygon.holes.begin(); ith != it->expolygon.holes.end(); ++ith)
polygons.emplace_back(*ith);
}
return polygons;
}
inline Polygons to_polygons(const SurfacesPtr &src)
{
size_t num = 0;
for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++it)
num += (*it)->expolygon.holes.size() + 1;
Polygons polygons;
polygons.reserve(num);
for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++it) {
polygons.emplace_back((*it)->expolygon.contour);
for (Polygons::const_iterator ith = (*it)->expolygon.holes.begin(); ith != (*it)->expolygon.holes.end(); ++ith)
polygons.emplace_back(*ith);
}
return polygons;
}
inline ExPolygons to_expolygons(const Surfaces &src)
{
ExPolygons expolygons;
expolygons.reserve(src.size());
for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++it)
expolygons.emplace_back(it->expolygon);
return expolygons;
}
inline ExPolygons to_expolygons(Surfaces &&src)
{
ExPolygons expolygons;
expolygons.reserve(src.size());
for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++it)
expolygons.emplace_back(ExPolygon(std::move(it->expolygon)));
src.clear();
return expolygons;
}
inline ExPolygons to_expolygons(const SurfacesPtr &src)
{
ExPolygons expolygons;
expolygons.reserve(src.size());
for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++it)
expolygons.emplace_back((*it)->expolygon);
return expolygons;
}
// Count a nuber of polygons stored inside the vector of expolygons.
// Useful for allocating space for polygons when converting expolygons to polygons.
inline size_t number_polygons(const Surfaces &surfaces)
{
size_t n_polygons = 0;
for (Surfaces::const_iterator it = surfaces.begin(); it != surfaces.end(); ++ it)
n_polygons += it->expolygon.holes.size() + 1;
return n_polygons;
}
inline size_t number_polygons(const SurfacesPtr &surfaces)
{
size_t n_polygons = 0;
for (SurfacesPtr::const_iterator it = surfaces.begin(); it != surfaces.end(); ++ it)
n_polygons += (*it)->expolygon.holes.size() + 1;
return n_polygons;
}
// Append a vector of Surfaces at the end of another vector of polygons.
inline void polygons_append(Polygons &dst, const Surfaces &src)
{
dst.reserve(dst.size() + number_polygons(src));
for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++ it) {
dst.emplace_back(it->expolygon.contour);
dst.insert(dst.end(), it->expolygon.holes.begin(), it->expolygon.holes.end());
}
}
inline void polygons_append(Polygons &dst, Surfaces &&src)
{
dst.reserve(dst.size() + number_polygons(src));
for (Surfaces::iterator it = src.begin(); it != src.end(); ++ it) {
dst.emplace_back(std::move(it->expolygon.contour));
std::move(std::begin(it->expolygon.holes), std::end(it->expolygon.holes), std::back_inserter(dst));
it->expolygon.holes.clear();
}
}
// Append a vector of Surfaces at the end of another vector of polygons.
inline void polygons_append(Polygons &dst, const SurfacesPtr &src)
{
dst.reserve(dst.size() + number_polygons(src));
for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++ it) {
dst.emplace_back((*it)->expolygon.contour);
dst.insert(dst.end(), (*it)->expolygon.holes.begin(), (*it)->expolygon.holes.end());
}
}
inline void polygons_append(Polygons &dst, SurfacesPtr &&src)
{
dst.reserve(dst.size() + number_polygons(src));
for (SurfacesPtr::const_iterator it = src.begin(); it != src.end(); ++ it) {
dst.emplace_back(std::move((*it)->expolygon.contour));
std::move(std::begin((*it)->expolygon.holes), std::end((*it)->expolygon.holes), std::back_inserter(dst));
(*it)->expolygon.holes.clear();
}
}
// Append a vector of Surfaces at the end of another vector of polygons.
inline void surfaces_append(Surfaces &dst, const ExPolygons &src, SurfaceType surfaceType)
{
dst.reserve(dst.size() + src.size());
for (const ExPolygon &expoly : src)
dst.emplace_back(Surface(surfaceType, expoly));
}
inline void surfaces_append(Surfaces &dst, const ExPolygons &src, const Surface &surfaceTempl)
{
dst.reserve(dst.size() + number_polygons(src));
for (const ExPolygon &expoly : src)
dst.emplace_back(Surface(surfaceTempl, expoly));
}
inline void surfaces_append(Surfaces &dst, const Surfaces &src)
{
dst.insert(dst.end(), src.begin(), src.end());
}
inline void surfaces_append(Surfaces &dst, ExPolygons &&src, SurfaceType surfaceType)
{
dst.reserve(dst.size() + src.size());
for (ExPolygon &expoly : src)
dst.emplace_back(Surface(surfaceType, std::move(expoly)));
src.clear();
}
inline void surfaces_append(Surfaces &dst, ExPolygons &&src, const Surface &surfaceTempl)
{
dst.reserve(dst.size() + number_polygons(src));
for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++ it)
dst.emplace_back(Surface(surfaceTempl, std::move(*it)));
src.clear();
}
inline void surfaces_append(Surfaces &dst, Surfaces &&src)
{
if (dst.empty()) {
dst = std::move(src);
} else {
std::move(std::begin(src), std::end(src), std::back_inserter(dst));
src.clear();
}
}
extern BoundingBox get_extents(const Surface &surface);
extern BoundingBox get_extents(const Surfaces &surfaces);
extern BoundingBox get_extents(const SurfacesPtr &surfaces);
inline bool surfaces_could_merge(const Surface &s1, const Surface &s2)
{
return
s1.surface_type == s2.surface_type &&
s1.thickness == s2.thickness &&
s1.thickness_layers == s2.thickness_layers &&
s1.bridge_angle == s2.bridge_angle;
}
class SVG;
extern const char* surface_type_to_color_name(const SurfaceType surface_type);
extern void export_surface_type_legend_to_svg(SVG &svg, const Point &pos);
extern Point export_surface_type_legend_to_svg_box_size();
extern bool export_to_svg(const char *path, const Surfaces &surfaces, const float transparency = 1.f);
}
#endif
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