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HanifKoh
8a6377f087
* Add Missing Includes Across src/libslic3r Every libslic3r source and header now directly includes the headers declaring what it uses, rather than relying on the precompiled header or transitive includes. Generated with clang-tidy misc-include-cleaner, with libslic3r headers spelled libslic3r/... so they resolve outside the library's private include paths. MultiMaterialSegmentation.hpp, Support/SupportParameters.hpp and Format/STEP.hpp are made self-contained by hand. * Make the libslic3r Headers Compile on Their Own Each now includes, or forward-declares, what it uses instead of relying on what its includers happened to include first. Left out: I18N.hpp, which errors on purpose when included from GUI code, and VoxelizeCSGMesh.hpp and SLA/bicubic.h, which nothing includes and which no longer compile at all. * Add the Includes Missing From the Hand-Fixed libslic3r Headers clang-tidy would not edit these headers while they failed to compile on their own, so the first pass skipped them. With the headers now self-contained, a second pass adds the rest. * Keep Windows Setup Ahead of the Added libslic3r Includes Print.cpp and Thread.cpp open with a _WIN32 block that has to come first; without the precompiled header, Print.cpp otherwise reaches windows.h through OCCT with NONLS defined and boost/regex fails. OpenVDBUtils.cpp and SLA/SupportTreeBuilder.cpp had includes inside #ifndef NOMINMAX, which libslic3r defines on Windows, so those were skipped there. .clang-tidy also ignores the MSVC STL and UCRT internals, Boost.Multiprecision's fwd.hpp and CPython's Windows include directory. * Re-Add libslic3r Includes After the Clipper2 2.0.1 Migration Rebasing onto main took main's version of the files the Clipper2 migration rewrote, so their added includes are restored here, along with includes for main's new code. Clipper2's individual headers are now ignored by clang-tidy: they only build the Z variant through clipper2_z.hpp, which defines USINGZ first, so including clipper.core.h and the like directly broke ClipperZUtils.cpp.
74 lines
2.9 KiB
C++
74 lines
2.9 KiB
C++
#ifndef libslic3r_Triangulation_hpp_
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#define libslic3r_Triangulation_hpp_
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#include <utility>
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#include <cstdint>
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#include <vector>
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#include <set>
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#include <libslic3r/Point.hpp>
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#include <libslic3r/Polygon.hpp>
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#include <libslic3r/ExPolygon.hpp>
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namespace Slic3r {
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class Triangulation
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{
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public:
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Triangulation() = delete;
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// define oriented connection of 2 vertices(defined by its index)
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using HalfEdge = std::pair<uint32_t, uint32_t>;
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using HalfEdges = std::vector<HalfEdge>;
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using Indices = std::vector<Vec3i32>;
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/// <summary>
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/// Connect points by triangulation to create filled surface by triangles
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/// Input points have to be unique
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/// Inspiration for make unique points is Emboss::dilate_to_unique_points
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/// </summary>
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/// <param name="points">Points to connect</param>
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/// <param name="edges">Constraint for edges, pair is from point(first) to
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/// point(second), sorted lexicographically</param>
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/// <returns>Triangles</returns>
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static Indices triangulate(const Points &points,
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const HalfEdges &half_edges);
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static Indices triangulate(const Polygon &polygon);
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static Indices triangulate(const Polygons &polygons);
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static Indices triangulate(const ExPolygon &expolygon);
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static Indices triangulate(const ExPolygons &expolygons);
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// Map for convert original index to set without duplication
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// from_index<to_index>
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using Changes = std::vector<uint32_t>;
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/// <summary>
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/// Create conversion map from original index into new
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/// with respect of duplicit point
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/// </summary>
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/// <param name="points">input set of points</param>
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/// <param name="duplicits">duplicit points collected from points</param>
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/// <returns>Conversion map for point index</returns>
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static Changes create_changes(const Points &points, const Points &duplicits);
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/// <summary>
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/// Triangulation for expolygons, speed up when points are already collected
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/// NOTE: Not working properly for ExPolygons with multiple point on same coordinate
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/// You should check it by "collect_changes"
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/// </summary>
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/// <param name="expolygons">Input shape to triangulation - define edges</param>
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/// <param name="points">Points from expolygons</param>
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/// <returns>Triangle indices</returns>
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static Indices triangulate(const ExPolygons &expolygons, const Points& points);
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/// <summary>
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/// Triangulation for expolygons containing multiple points with same coordinate
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/// </summary>
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/// <param name="expolygons">Input shape to triangulation - define edge</param>
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/// <param name="points">Points from expolygons</param>
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/// <param name="changes">Changes swap for indicies into points</param>
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/// <returns>Triangle indices</returns>
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static Indices triangulate(const ExPolygons &expolygons, const Points& points, const Changes& changes);
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};
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} // namespace Slic3r
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#endif // libslic3r_Triangulation_hpp_
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