mesh_elements.h

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#ifndef PCL_GEOMETRY_MESH_ELEMENTS_H
#define PCL_GEOMETRY_MESH_ELEMENTS_H

#include <pcl/geometry/mesh_indices.h>

namespace pcl
{
  namespace geometry
  {
    template <class DerivedT, class MeshTraitsT, class MeshTagT>
    class MeshBase;

    template <class MeshT>
    class MeshIO;
  } // End namespace geometry
} // End namespace pcl

// Vertex

namespace pcl
{
  namespace geometry
  {
    class Vertex
    {
      private:

        typedef pcl::geometry::HalfEdgeIndex HalfEdgeIndex;

        explicit Vertex (const HalfEdgeIndex& idx_outgoing_half_edge = HalfEdgeIndex ())
          : idx_outgoing_half_edge_ (idx_outgoing_half_edge)
        {}

        HalfEdgeIndex idx_outgoing_half_edge_;

        template <class DerivedT, class MeshTraitsT, class MeshTagT>
        friend class pcl::geometry::MeshBase;

        template <class MeshT>
        friend class pcl::geometry::MeshIO;
    };
  } // End namespace geometry
} // End namespace pcl

// HalfEdge

namespace pcl
{
  namespace geometry
  {
    class HalfEdge
    {
      private:

        typedef pcl::geometry::VertexIndex   VertexIndex;
        typedef pcl::geometry::HalfEdgeIndex HalfEdgeIndex;
        typedef pcl::geometry::FaceIndex     FaceIndex;

        explicit HalfEdge (const VertexIndex&   idx_terminating_vertex = VertexIndex   (),
                           const HalfEdgeIndex& idx_next_half_edge     = HalfEdgeIndex (),
                           const HalfEdgeIndex& idx_prev_half_edge     = HalfEdgeIndex (),
                           const FaceIndex&     idx_face               = FaceIndex     ())
          : idx_terminating_vertex_ (idx_terminating_vertex),
            idx_next_half_edge_     (idx_next_half_edge),
            idx_prev_half_edge_     (idx_prev_half_edge),
            idx_face_               (idx_face)
        {
        }

        VertexIndex idx_terminating_vertex_;

        HalfEdgeIndex idx_next_half_edge_;

        HalfEdgeIndex idx_prev_half_edge_;

        FaceIndex idx_face_;

        template <class DerivedT, class MeshTraitsT, class MeshTagT>
        friend class pcl::geometry::MeshBase;

        template <class MeshT>
        friend class pcl::geometry::MeshIO;
    };
  } // End namespace geometry
} // End namespace pcl

// Face

namespace pcl
{
  namespace geometry
  {
    class Face
    {
      private:

        typedef pcl::geometry::HalfEdgeIndex HalfEdgeIndex;

        explicit Face (const HalfEdgeIndex& idx_inner_half_edge = HalfEdgeIndex ())
          : idx_inner_half_edge_ (idx_inner_half_edge)
        {}

        HalfEdgeIndex idx_inner_half_edge_;

        template <class DerivedT, class MeshTraitsT, class MeshTagT>
        friend class pcl::geometry::MeshBase;

        template <class MeshT>
        friend class pcl::geometry::MeshIO;
    };
  } // End namespace geometry
} // End namespace pcl

#endif // PCL_GEOMETRY_MESH_ELEMENTS_H