1 files changed, 124 insertions, 0 deletions
diff --git a/xs/src/libslic3r/Layer.hpp b/xs/src/libslic3r/Layer.hpp
new file mode 100644
index 000000000..cea1535b0
--- /dev/null
+++ b/xs/src/libslic3r/Layer.hpp
@@ -0,0 +1,124 @@
+#ifndef slic3r_Layer_hpp_
+#define slic3r_Layer_hpp_
+
+#include <myinit.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)
+    ExPolygonCollection bridged;
+
+    // collection of polylines representing the unsupported bridge edges
+    PolylineCollection unsupported_bridge_edges;
+
+    // ordered collection of extrusion paths/loops to build all perimeters
+    ExtrusionEntityCollection perimeters;
+
+    // ordered collection of extrusion paths to fill surfaces
+    ExtrusionEntityCollection fills;
+    
+    Flow flow(FlowRole role, bool bridge = false, double width = -1) const;
+    
+    private:
+    Layer *_layer;
+    PrintRegion *_region;
+
+    LayerRegion(Layer *layer, PrintRegion *region);
+    ~LayerRegion();
+};
+
+
+typedef std::vector<LayerRegion*> LayerRegionPtrs;
+
+class Layer {
+    friend class PrintObject;
+
+    public:
+    int id();
+    PrintObject* object();
+
+    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();
+    LayerRegion* get_region(int idx);
+    LayerRegion* add_region(PrintRegion* print_region);
+    
+    void make_slices();
+
+    protected:
+    int _id;     // sequential number of layer, 0-based
+    PrintObject *_object;
+
+
+    Layer(int 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(int id, PrintObject *object, coordf_t height, coordf_t print_z,
+        coordf_t slice_z);
+    virtual ~SupportLayer();
+};
+
+
+}
+
+#endif