#include "BoundingBox.hpp"
#include "Surface.hpp"

namespace Slic3r {

Surface::operator Polygons() const
{
    return this->expolygon;
}

double
Surface::area() const
{
    return this->expolygon.area();
}

bool
Surface::is_solid() const
{
    return this->surface_type == stTop
        || this->surface_type == stBottom
        || this->surface_type == stBottomBridge
        || this->surface_type == stInternalSolid
        || this->surface_type == stInternalBridge;
}

bool
Surface::is_external() const
{
    return this->surface_type == stTop
        || this->surface_type == stBottom
        || this->surface_type == stBottomBridge;
}

bool
Surface::is_internal() const
{
    return this->surface_type == stInternal
        || this->surface_type == stInternalBridge
        || this->surface_type == stInternalSolid
        || this->surface_type == stInternalVoid;
}

bool
Surface::is_bottom() const
{
    return this->surface_type == stBottom
        || this->surface_type == stBottomBridge;
}

bool
Surface::is_bridge() const
{
    return this->surface_type == stBottomBridge
        || this->surface_type == stInternalBridge;
}

BoundingBox get_extents(const Surface &surface)
{
    return get_extents(surface.expolygon.contour);
}

BoundingBox get_extents(const Surfaces &surfaces)
{
    BoundingBox bbox;
    if (! surfaces.empty()) {
        bbox = get_extents(surfaces.front());
        for (size_t i = 1; i < surfaces.size(); ++ i)
            bbox.merge(get_extents(surfaces[i]));
    }
    return bbox;
}

BoundingBox get_extents(const SurfacesPtr &surfaces)
{
    BoundingBox bbox;
    if (! surfaces.empty()) {
        bbox = get_extents(*surfaces.front());
        for (size_t i = 1; i < surfaces.size(); ++ i)
            bbox.merge(get_extents(*surfaces[i]));
    }
    return bbox;
}

}