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Diffstat (limited to 'src/libslic3r/PerimeterGenerator.hpp')
-rw-r--r-- | src/libslic3r/PerimeterGenerator.hpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/libslic3r/PerimeterGenerator.hpp b/src/libslic3r/PerimeterGenerator.hpp new file mode 100644 index 000000000..44af8c8be --- /dev/null +++ b/src/libslic3r/PerimeterGenerator.hpp @@ -0,0 +1,92 @@ +#ifndef slic3r_PerimeterGenerator_hpp_ +#define slic3r_PerimeterGenerator_hpp_ + +#include "libslic3r.h" +#include <vector> +#include "ExPolygonCollection.hpp" +#include "Flow.hpp" +#include "Polygon.hpp" +#include "PrintConfig.hpp" +#include "SurfaceCollection.hpp" + +namespace Slic3r { + +// Hierarchy of perimeters. +class PerimeterGeneratorLoop { +public: + // Polygon of this contour. + Polygon polygon; + // Is it a contour or a hole? + // Contours are CCW oriented, holes are CW oriented. + bool is_contour; + // Depth in the hierarchy. External perimeter has depth = 0. An external perimeter could be both a contour and a hole. + unsigned short depth; + // Children contour, may be both CCW and CW oriented (outer contours or holes). + std::vector<PerimeterGeneratorLoop> children; + + PerimeterGeneratorLoop(Polygon polygon, unsigned short depth, bool is_contour) : + polygon(polygon), is_contour(is_contour), depth(depth) {} + // External perimeter. It may be CCW or CW oriented (outer contour or hole contour). + bool is_external() const { return this->depth == 0; } + // An island, which may have holes, but it does not have another internal island. + bool is_internal_contour() const; +}; + +typedef std::vector<PerimeterGeneratorLoop> PerimeterGeneratorLoops; + +class PerimeterGenerator { +public: + // Inputs: + const SurfaceCollection *slices; + const ExPolygonCollection *lower_slices; + double layer_height; + int layer_id; + Flow perimeter_flow; + Flow ext_perimeter_flow; + Flow overhang_flow; + Flow solid_infill_flow; + const PrintRegionConfig *config; + const PrintObjectConfig *object_config; + const PrintConfig *print_config; + // Outputs: + ExtrusionEntityCollection *loops; + ExtrusionEntityCollection *gap_fill; + SurfaceCollection *fill_surfaces; + + PerimeterGenerator( + // Input: + const SurfaceCollection* slices, + double layer_height, + Flow flow, + const PrintRegionConfig* config, + const PrintObjectConfig* object_config, + const PrintConfig* print_config, + // Output: + // Loops with the external thin walls + ExtrusionEntityCollection* loops, + // Gaps without the thin walls + ExtrusionEntityCollection* gap_fill, + // Infills without the gap fills + SurfaceCollection* fill_surfaces) + : slices(slices), lower_slices(NULL), layer_height(layer_height), + layer_id(-1), perimeter_flow(flow), ext_perimeter_flow(flow), + overhang_flow(flow), solid_infill_flow(flow), + config(config), object_config(object_config), print_config(print_config), + loops(loops), gap_fill(gap_fill), fill_surfaces(fill_surfaces), + _ext_mm3_per_mm(-1), _mm3_per_mm(-1), _mm3_per_mm_overhang(-1) + {}; + void process(); + +private: + double _ext_mm3_per_mm; + double _mm3_per_mm; + double _mm3_per_mm_overhang; + Polygons _lower_slices_p; + + ExtrusionEntityCollection _traverse_loops(const PerimeterGeneratorLoops &loops, ThickPolylines &thin_walls) const; + ExtrusionEntityCollection _variable_width(const ThickPolylines &polylines, ExtrusionRole role, Flow flow) const; +}; + +} + +#endif |