Move Print object storage to C++. (along with its subobjects)

xs/src/Layer.hpp

@@ -2,12 +2,109 @@
 #define slic3r_Layer_hpp_
 
 #include <myinit.h>
+#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;
+
+    private:
+    LayerRegion(Layer *layer, PrintRegion *region);
+    ~LayerRegion();
+};
+
+
+typedef std::vector<LayerRegion*> LayerRegionPtrs;
+
+class Layer {
+    friend class PrintObject;
+
+    public:
+    int id;     // sequential number of layer, 0-based
+    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();
+    void clear_regions();
+    LayerRegion* get_region(int idx);
+    LayerRegion* add_region(PrintRegion* print_region);
+    void delete_region(int idx);
+
+    protected:
+    Layer(int id, PrintObject *object, coordf_t height, coordf_t print_z,
+        coordf_t slice_z);
+    virtual ~Layer();
+};
+
+
+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