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#ifndef slic3r_Layer_hpp_
#define slic3r_Layer_hpp_
#include "libslic3r.h"
#include "Flow.hpp"
#include "SurfaceCollection.hpp"
#include "ExtrusionEntityCollection.hpp"
#include "ExPolygonCollection.hpp"
#include "PolylineCollection.hpp"
namespace Slic3r {
typedef std::pair<coordf_t,coordf_t> t_layer_height_range;
typedef std::map<t_layer_height_range,coordf_t> t_layer_height_ranges;
class Layer;
class PrintRegion;
class PrintObject;
// TODO: make stuff private
class LayerRegion
{
friend class Layer;
public:
Layer* layer();
PrintRegion* region();
// collection of surfaces generated by slicing the original geometry
// divided by type top/bottom/internal
SurfaceCollection slices;
// collection of extrusion paths/loops filling gaps
ExtrusionEntityCollection thin_fills;
// collection of surfaces for infill generation
SurfaceCollection fill_surfaces;
// collection of expolygons representing the bridged areas (thus not
// needing support material)
Polygons bridged;
// collection of polylines representing the unsupported bridge edges
PolylineCollection unsupported_bridge_edges;
// ordered collection of extrusion paths/loops to build all perimeters
// (this collection contains only ExtrusionEntityCollection objects)
ExtrusionEntityCollection perimeters;
// ordered collection of extrusion paths to fill surfaces
// (this collection contains only ExtrusionEntityCollection objects)
ExtrusionEntityCollection fills;
Flow flow(FlowRole role, bool bridge = false, double width = -1) const;
void merge_slices();
void prepare_fill_surfaces();
void make_perimeters(const SurfaceCollection &slices, SurfaceCollection* fill_surfaces);
void process_external_surfaces(const Layer* lower_layer);
double infill_area_threshold() const;
private:
Layer *_layer;
PrintRegion *_region;
LayerRegion(Layer *layer, PrintRegion *region);
~LayerRegion();
};
typedef std::vector<LayerRegion*> LayerRegionPtrs;
class Layer {
friend class PrintObject;
public:
size_t id() const;
void set_id(size_t id);
PrintObject* object();
const PrintObject* object() const;
Layer *upper_layer;
Layer *lower_layer;
LayerRegionPtrs regions;
bool slicing_errors;
coordf_t slice_z; // Z used for slicing in unscaled coordinates
coordf_t print_z; // Z used for printing in unscaled coordinates
coordf_t height; // layer height in unscaled coordinates
// collection of expolygons generated by slicing the original geometry;
// also known as 'islands' (all regions and surface types are merged here)
ExPolygonCollection slices;
size_t region_count() const;
LayerRegion* get_region(int idx);
LayerRegion* add_region(PrintRegion* print_region);
void make_slices();
void merge_slices();
template <class T> bool any_internal_region_slice_contains(const T &item) const;
template <class T> bool any_bottom_region_slice_contains(const T &item) const;
void make_perimeters();
protected:
size_t _id; // sequential number of layer, 0-based
PrintObject *_object;
Layer(size_t id, PrintObject *object, coordf_t height, coordf_t print_z,
coordf_t slice_z);
virtual ~Layer();
void clear_regions();
void delete_region(int idx);
};
class SupportLayer : public Layer {
friend class PrintObject;
public:
ExPolygonCollection support_islands;
ExtrusionEntityCollection support_fills;
ExtrusionEntityCollection support_interface_fills;
protected:
SupportLayer(size_t id, PrintObject *object, coordf_t height, coordf_t print_z,
coordf_t slice_z);
virtual ~SupportLayer();
};
}
#endif
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