60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
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//Copyright (c) 2020 Ultimaker B.V.
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//CuraEngine is released under the terms of the AGPLv3 or higher.
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#ifndef UTILS_EXTRUSION_JUNCTION_H
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#define UTILS_EXTRUSION_JUNCTION_H
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#include "../../Point.hpp"
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namespace Slic3r::Arachne
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{
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/*!
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* This struct represents one vertex in an extruded path.
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*
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* It contains information on how wide the extruded path must be at this point,
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* and which perimeter it represents.
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*/
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struct ExtrusionJunction
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{
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/*!
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* The position of the centreline of the path when it reaches this junction.
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* This is the position that should end up in the g-code eventually.
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*/
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Point p;
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/*!
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* The width of the extruded path at this junction.
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*/
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coord_t w;
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/*!
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* Which perimeter this junction is part of.
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*
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* Perimeters are counted from the outside inwards. The outer wall has index
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* 0.
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*/
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size_t perimeter_index;
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ExtrusionJunction(const Point p, const coord_t w, const coord_t perimeter_index);
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bool operator==(const ExtrusionJunction& other) const;
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};
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inline Point operator-(const ExtrusionJunction& a, const ExtrusionJunction& b)
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{
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return a.p - b.p;
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}
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// Identity function, used to be able to make templated algorithms that do their operations on 'point-like' input.
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inline const Point& make_point(const ExtrusionJunction& ej)
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{
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return ej.p;
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}
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using LineJunctions = std::vector<ExtrusionJunction>; //<! The junctions along a line without further information. See \ref ExtrusionLine for a more extensive class.
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}
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#endif // UTILS_EXTRUSION_JUNCTION_H
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