diff options
Diffstat (limited to 'xs/src/libslic3r/PerimeterGenerator.hpp')
| -rw-r--r-- | xs/src/libslic3r/PerimeterGenerator.hpp | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/xs/src/libslic3r/PerimeterGenerator.hpp b/xs/src/libslic3r/PerimeterGenerator.hpp index eb3fa0fcb..0e7fbd3e4 100644 --- a/xs/src/libslic3r/PerimeterGenerator.hpp +++ b/xs/src/libslic3r/PerimeterGenerator.hpp @@ -11,25 +11,33 @@ namespace Slic3r { -class PerimeterGeneratorLoop; -typedef std::vector<PerimeterGeneratorLoop> PerimeterGeneratorLoops; - +// Hierarchy of perimeters. class PerimeterGeneratorLoop { - public: +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) : polygon(polygon), is_contour(false), depth(depth) {}; - bool is_external() const; + // 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: +public: + // Inputs: const SurfaceCollection* slices; const ExPolygonCollection* lower_slices; double layer_height; @@ -41,14 +49,26 @@ class PerimeterGenerator { PrintRegionConfig* config; PrintObjectConfig* object_config; PrintConfig* print_config; + // Outputs: ExtrusionEntityCollection* loops; ExtrusionEntityCollection* gap_fill; SurfaceCollection* fill_surfaces; - PerimeterGenerator(const SurfaceCollection* slices, double layer_height, Flow flow, - PrintRegionConfig* config, PrintObjectConfig* object_config, - PrintConfig* print_config, ExtrusionEntityCollection* loops, - ExtrusionEntityCollection* gap_fill, SurfaceCollection* fill_surfaces) + PerimeterGenerator( + // Input: + const SurfaceCollection* slices, + double layer_height, + Flow flow, + PrintRegionConfig* config, + PrintObjectConfig* object_config, + 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), |