%module{Slic3r::XS};

%{
#include <myinit.h>
#include "libslic3r/Layer.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; %};
    Ref<ExPolygonCollection> bridged()
        %code%{ RETVAL = &THIS->bridged; %};
    Ref<PolylineCollection> unsupported_bridge_edges()
        %code%{ RETVAL = &THIS->unsupported_bridge_edges; %};
    Ref<ExtrusionEntityCollection> perimeters()
        %code%{ RETVAL = &THIS->perimeters; %};
    Ref<ExtrusionEntityCollection> fills()
        %code%{ RETVAL = &THIS->fills; %};
    
    Flow* flow(FlowRole role, bool bridge = false, double width = -1)
        %code%{ RETVAL = new Flow(THIS->flow(role, bridge, width)); %};
    void merge_slices();
};

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

    int id();
    Ref<PrintObject> object();
    Ref<Layer> upper_layer()
        %code%{ RETVAL = THIS->upper_layer; %};
    Ref<Layer> lower_layer()
        %code%{ RETVAL = THIS->lower_layer; %};
    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; %};

    void set_upper_layer(Layer *layer)
        %code%{ THIS->upper_layer = layer; %};
    void set_lower_layer(Layer *layer)
        %code%{ THIS->lower_layer = layer; %};
    bool has_upper_layer()
        %code%{ RETVAL = (THIS->upper_layer != NULL); %};
    bool has_lower_layer()
        %code%{ RETVAL = (THIS->lower_layer != NULL); %};
    
    size_t region_count();
    Ref<LayerRegion> get_region(int idx);
    Ref<LayerRegion> add_region(PrintRegion* print_region);

    Ref<ExPolygonCollection> slices()
        %code%{ RETVAL = &THIS->slices; %};
    
    int ptr()
        %code%{ RETVAL = (int)(intptr_t)THIS; %};
    
    void make_slices();
    bool any_internal_region_slice_contains_line(Line* line)
        %code%{ RETVAL = THIS->any_internal_region_slice_contains(*line); %};
    bool any_internal_region_slice_contains_polyline(Polyline* polyline)
        %code%{ RETVAL = THIS->any_internal_region_slice_contains(*polyline); %};
};

%name{Slic3r::Layer::Support} class SupportLayer {
    // owned by PrintObject, no constructor/destructor

    Ref<ExPolygonCollection> support_islands()
        %code%{ RETVAL = &THIS->support_islands; %};
    Ref<ExtrusionEntityCollection> support_fills()
        %code%{ RETVAL = &THIS->support_fills; %};
    Ref<ExtrusionEntityCollection> support_interface_fills()
        %code%{ RETVAL = &THIS->support_interface_fills; %};


    // copies of some Layer methods, because the parameter wrapper code
    // gets confused about getting a Layer::Support instead of a Layer
    int id();
    Ref<PrintObject> object();
    Ref<SupportLayer> upper_layer()
        %code%{ RETVAL = (SupportLayer*)THIS->upper_layer; %};
    Ref<SupportLayer> lower_layer()
        %code%{ RETVAL = (SupportLayer*)THIS->lower_layer; %};
    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; %};

    void set_upper_layer(SupportLayer *layer)
        %code%{ THIS->upper_layer = layer; %};
    void set_lower_layer(SupportLayer *layer)
        %code%{ THIS->lower_layer = layer; %};
    bool has_upper_layer()
        %code%{ RETVAL = (THIS->upper_layer != NULL); %};
    bool has_lower_layer()
        %code%{ RETVAL = (THIS->lower_layer != NULL); %};

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

    Ref<ExPolygonCollection> slices()
        %code%{ RETVAL = &THIS->slices; %};
    
    bool any_internal_region_slice_contains_line(Line* line)
        %code%{ RETVAL = THIS->any_internal_region_slice_contains(*line); %};
    bool any_internal_region_slice_contains_polyline(Polyline* polyline)
        %code%{ RETVAL = THIS->any_internal_region_slice_contains(*polyline); %};
};