%module{Slic3r::XS};

%{
#include <xsinit.h>
#include "libslic3r/Layer.hpp"
#include "libslic3r/ExPolygonCollection.hpp"
%}

%name{Slic3r::Layer::Region} class LayerRegion {
    // owned by Layer, no constructor/destructor

    Ref<Layer> layer();
    Ref<PrintRegion> region();

    Ref<SurfaceCollection> slices()
        %code%{ RETVAL = &THIS->slices; %};
    Ref<ExtrusionEntityCollection> thin_fills()
        %code%{ RETVAL = &THIS->thin_fills; %};
    Ref<SurfaceCollection> fill_surfaces()
        %code%{ RETVAL = &THIS->fill_surfaces; %};
    Polygons bridged()
        %code%{ RETVAL = THIS->bridged; %};
    Ref<ExtrusionEntityCollection> perimeters()
        %code%{ RETVAL = &THIS->perimeters; %};
    Ref<ExtrusionEntityCollection> fills()
        %code%{ RETVAL = &THIS->fills; %};
    
    Clone<Flow> flow(FlowRole role, bool bridge = false, double width = -1)
        %code%{ RETVAL = THIS->flow(role, bridge, width); %};
    void prepare_fill_surfaces();
    void make_perimeters(SurfaceCollection* slices, SurfaceCollection* fill_surfaces)
        %code%{ THIS->make_perimeters(*slices, fill_surfaces); %};
    double infill_area_threshold();

    void export_region_slices_to_svg(const char *path) const;
    void export_region_fill_surfaces_to_svg(const char *path) const;
    void export_region_slices_to_svg_debug(const char *name) const;
    void export_region_fill_surfaces_to_svg_debug(const char *name) const;
};

%name{Slic3r::Layer} class Layer {
    // owned by PrintObject, no constructor/destructor
    
    Ref<Layer> as_layer()
        %code%{ RETVAL = THIS; %};

    int id();
    void set_id(int id);
    Ref<PrintObject> object();
    bool slicing_errors()
        %code%{ RETVAL = THIS->slicing_errors; %};
    coordf_t slice_z()
        %code%{ RETVAL = THIS->slice_z; %};
    coordf_t print_z()
        %code%{ RETVAL = THIS->print_z; %};
    coordf_t height()
        %code%{ RETVAL = THIS->height; %};

    size_t region_count();
    Ref<LayerRegion> get_region(int idx);
    Ref<LayerRegion> add_region(PrintRegion* print_region);

    ExPolygonCollection* slices()
        %code%{ RETVAL = new ExPolygonCollection(THIS->slices); %};

    int ptr()
        %code%{ RETVAL = (int)(intptr_t)THIS; %};
    
    Ref<SupportLayer> as_support_layer()
        %code%{ RETVAL = dynamic_cast<SupportLayer*>(THIS); %};
    
    void make_slices();
    void merge_slices();
    void make_perimeters();
    void make_fills();

    void export_region_slices_to_svg(const char *path);
    void export_region_fill_surfaces_to_svg(const char *path);
    void export_region_slices_to_svg_debug(const char *name);
    void export_region_fill_surfaces_to_svg_debug(const char *name);
};

%name{Slic3r::Layer::Support} class SupportLayer {
    // owned by PrintObject, no constructor/destructor
    
    Ref<Layer> as_layer()
        %code%{ RETVAL = THIS; %};
    
    Ref<ExPolygonCollection> support_islands()
        %code%{ RETVAL = &THIS->support_islands; %};
    Ref<ExtrusionEntityCollection> support_fills()
        %code%{ RETVAL = &THIS->support_fills; %};

    // copies of some Layer methods, because the parameter wrapper code
    // gets confused about getting a Layer::Support instead of a Layer
    int id();
    void set_id(int id);
    Ref<PrintObject> object();
    bool slicing_errors()
        %code%{ RETVAL = THIS->slicing_errors; %};
    coordf_t slice_z()
        %code%{ RETVAL = THIS->slice_z; %};
    coordf_t print_z()
        %code%{ RETVAL = THIS->print_z; %};
    coordf_t height()
        %code%{ RETVAL = THIS->height; %};

    size_t region_count();
    Ref<LayerRegion> get_region(int idx);
    Ref<LayerRegion> add_region(PrintRegion* print_region);

    ExPolygonCollection* slices()
        %code%{ RETVAL = new ExPolygonCollection(THIS->slices); %};
    
    void export_region_slices_to_svg(const char *path);
    void export_region_fill_surfaces_to_svg(const char *path);
    void export_region_slices_to_svg_debug(const char *name);
    void export_region_fill_surfaces_to_svg_debug(const char *name);
};