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83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
#ifndef slic3r_CutSurface_hpp_
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#define slic3r_CutSurface_hpp_
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#include <vector>
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#include <optional>
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#include <memory>
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#include <admesh/stl.h> // indexed_triangle_set
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#include "Polygon.hpp"
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#include "ExPolygon.hpp"
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#include "Emboss.hpp"
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namespace Slic3r{
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/// <summary>
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/// Represents cutted surface from object
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/// Extend index triangle set by outlines
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/// </summary>
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struct SurfaceCut : public indexed_triangle_set
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{
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// connected cutted surface --> inheritance is used
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//indexed_triangle_set mesh;
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// vertex indices(index to mesh vertices)
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using Index = unsigned int;
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using CutContour = std::vector<std::vector<Index>>;
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// list of circulated open surface
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CutContour contours;
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// Conversion map from vertex index to contour point
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// Could be used for filtration of surface cuts
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// Still I don't have an idea how to filtrate it.
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// What is wanted result on wave?
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// std::map<Index, ExPolygonsPoint> vertex2contour;
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};
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using SurfaceCuts = std::vector<SurfaceCut>;
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/// <summary>
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/// Merge two surface cuts together
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/// Added surface cut will be consumed
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/// </summary>
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/// <param name="sc">Surface cut to extend</param>
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/// <param name="sc_add">Surface cut to consume</param>
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void append(SurfaceCut &sc, SurfaceCut &&sc_add);
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// call private function with same name to test it
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bool merge_intersection(SurfaceCut &sc1, const SurfaceCut &sc2);
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/// <summary>
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/// Merge surface cuts int one
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/// </summary>
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/// <param name="cuts">input</param>
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SurfaceCut merge(SurfaceCuts&& cuts);
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/// <summary>
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/// Cut surface shape from models.
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/// </summary>
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/// <param name="shapes">Multiple shape to cut from model</param>
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/// <param name="models">Multi mesh to cut, need to be in same coordinate system</param>
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/// <param name="projection">Define transformation 2d shape into 3d</param>
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/// <param name="projection_ratio">Define ideal ratio between front and back projection to cut
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/// 0 .. means use closest to front projection
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/// 1 .. means use closest to back projection
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/// value from <0, 1>
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/// </param>
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/// <returns>Cutted surface from model</returns>
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SurfaceCut cut_surface(const ExPolygons &shapes,
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const std::vector<indexed_triangle_set> &models,
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const Emboss::IProjection &projection,
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float projection_ratio);
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/// <summary>
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/// Create model from surface cuts by projection
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/// </summary>
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/// <param name="cut">Surface from model with outlines</param>
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/// <param name="projection">Way of emboss</param>
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/// <returns>Mesh</returns>
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indexed_triangle_set cut2model(const SurfaceCut &cut,
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const Emboss::IProject3f &projection);
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} // namespace Slic3r
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#endif // slic3r_CutSurface_hpp_
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