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0558b53493
The XS was left only for the unit / integration tests, and it links libslic3r only. No wxWidgets are allowed to be used from Perl starting from now.
92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
#ifndef slic3r_PerimeterGenerator_hpp_
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#define slic3r_PerimeterGenerator_hpp_
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#include "libslic3r.h"
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#include <vector>
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#include "ExPolygonCollection.hpp"
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#include "Flow.hpp"
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#include "Polygon.hpp"
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#include "PrintConfig.hpp"
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#include "SurfaceCollection.hpp"
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namespace Slic3r {
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// Hierarchy of perimeters.
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class PerimeterGeneratorLoop {
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public:
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// Polygon of this contour.
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Polygon polygon;
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// Is it a contour or a hole?
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// Contours are CCW oriented, holes are CW oriented.
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bool is_contour;
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// Depth in the hierarchy. External perimeter has depth = 0. An external perimeter could be both a contour and a hole.
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unsigned short depth;
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// Children contour, may be both CCW and CW oriented (outer contours or holes).
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std::vector<PerimeterGeneratorLoop> children;
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PerimeterGeneratorLoop(Polygon polygon, unsigned short depth, bool is_contour) :
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polygon(polygon), is_contour(is_contour), depth(depth) {}
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// External perimeter. It may be CCW or CW oriented (outer contour or hole contour).
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bool is_external() const { return this->depth == 0; }
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// An island, which may have holes, but it does not have another internal island.
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bool is_internal_contour() const;
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};
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typedef std::vector<PerimeterGeneratorLoop> PerimeterGeneratorLoops;
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class PerimeterGenerator {
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public:
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// Inputs:
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const SurfaceCollection *slices;
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const ExPolygonCollection *lower_slices;
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double layer_height;
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int layer_id;
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Flow perimeter_flow;
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Flow ext_perimeter_flow;
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Flow overhang_flow;
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Flow solid_infill_flow;
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const PrintRegionConfig *config;
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const PrintObjectConfig *object_config;
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const PrintConfig *print_config;
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// Outputs:
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ExtrusionEntityCollection *loops;
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ExtrusionEntityCollection *gap_fill;
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SurfaceCollection *fill_surfaces;
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PerimeterGenerator(
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// Input:
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const SurfaceCollection* slices,
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double layer_height,
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Flow flow,
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const PrintRegionConfig* config,
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const PrintObjectConfig* object_config,
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const PrintConfig* print_config,
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// Output:
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// Loops with the external thin walls
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ExtrusionEntityCollection* loops,
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// Gaps without the thin walls
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ExtrusionEntityCollection* gap_fill,
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// Infills without the gap fills
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SurfaceCollection* fill_surfaces)
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: slices(slices), lower_slices(NULL), layer_height(layer_height),
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layer_id(-1), perimeter_flow(flow), ext_perimeter_flow(flow),
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overhang_flow(flow), solid_infill_flow(flow),
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config(config), object_config(object_config), print_config(print_config),
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loops(loops), gap_fill(gap_fill), fill_surfaces(fill_surfaces),
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_ext_mm3_per_mm(-1), _mm3_per_mm(-1), _mm3_per_mm_overhang(-1)
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{};
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void process();
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private:
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double _ext_mm3_per_mm;
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double _mm3_per_mm;
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double _mm3_per_mm_overhang;
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Polygons _lower_slices_p;
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ExtrusionEntityCollection _traverse_loops(const PerimeterGeneratorLoops &loops, ThickPolylines &thin_walls) const;
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ExtrusionEntityCollection _variable_width(const ThickPolylines &polylines, ExtrusionRole role, Flow flow) const;
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};
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}
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#endif
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