quad_mesh.h

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#ifndef PCL_GEOMETRY_QUAD_MESH_H
#define PCL_GEOMETRY_QUAD_MESH_H

#include <pcl/geometry/mesh_base.h>

namespace pcl
{
  namespace geometry
  {
    struct QuadMeshTag {};

    template <class MeshTraitsT>
    class QuadMesh : public pcl::geometry::MeshBase <QuadMesh <MeshTraitsT>, MeshTraitsT, QuadMeshTag>
    {
      public:

        typedef pcl::geometry::MeshBase <QuadMesh <MeshTraitsT>, MeshTraitsT, QuadMeshTag> Base;

        typedef QuadMesh <MeshTraitsT>         Self;
        typedef boost::shared_ptr <Self>       Ptr;
        typedef boost::shared_ptr <const Self> ConstPtr;

        typedef typename Base::VertexData   VertexData;
        typedef typename Base::HalfEdgeData HalfEdgeData;
        typedef typename Base::EdgeData     EdgeData;
        typedef typename Base::FaceData     FaceData;
        typedef typename Base::IsManifold   IsManifold;
        typedef typename Base::MeshTag      MeshTag;

        typedef typename Base::HasVertexData   HasVertexData;
        typedef typename Base::HasHalfEdgeData HasHalfEdgeData;
        typedef typename Base::HasEdgeData     HasEdgeData;
        typedef typename Base::HasFaceData     HasFaceData;

        typedef typename Base::VertexDataCloud   VertexDataCloud;
        typedef typename Base::HalfEdgeDataCloud HalfEdgeDataCloud;
        typedef typename Base::EdgeDataCloud     EdgeDataCloud;
        typedef typename Base::FaceDataCloud     FaceDataCloud;

        // Indices
        typedef typename Base::VertexIndex   VertexIndex;
        typedef typename Base::HalfEdgeIndex HalfEdgeIndex;
        typedef typename Base::EdgeIndex     EdgeIndex;
        typedef typename Base::FaceIndex     FaceIndex;

        typedef typename Base::VertexIndices   VertexIndices;
        typedef typename Base::HalfEdgeIndices HalfEdgeIndices;
        typedef typename Base::EdgeIndices     EdgeIndices;
        typedef typename Base::FaceIndices     FaceIndices;

        // Circulators
        typedef typename Base::VertexAroundVertexCirculator           VertexAroundVertexCirculator;
        typedef typename Base::OutgoingHalfEdgeAroundVertexCirculator OutgoingHalfEdgeAroundVertexCirculator;
        typedef typename Base::IncomingHalfEdgeAroundVertexCirculator IncomingHalfEdgeAroundVertexCirculator;
        typedef typename Base::FaceAroundVertexCirculator             FaceAroundVertexCirculator;
        typedef typename Base::VertexAroundFaceCirculator             VertexAroundFaceCirculator;
        typedef typename Base::InnerHalfEdgeAroundFaceCirculator      InnerHalfEdgeAroundFaceCirculator;
        typedef typename Base::OuterHalfEdgeAroundFaceCirculator      OuterHalfEdgeAroundFaceCirculator;
        typedef typename Base::FaceAroundFaceCirculator               FaceAroundFaceCirculator;

        QuadMesh ()
          : Base (),
            add_quad_ (4)
        {
        }

        using Base::addFace;

        inline FaceIndex
        addFace (const VertexIndex&   idx_v_0,
                 const VertexIndex&   idx_v_1,
                 const VertexIndex&   idx_v_2,
                 const VertexIndex&   idx_v_3,
                 const FaceData&      face_data      = FaceData (),
                 const EdgeData&      edge_data      = EdgeData (),
                 const HalfEdgeData&  half_edge_data = HalfEdgeData ())
        {
          add_quad_ [0] = idx_v_0;
          add_quad_ [1] = idx_v_1;
          add_quad_ [2] = idx_v_2;
          add_quad_ [3] = idx_v_3;

          return (this->addFaceImplBase (add_quad_, face_data, edge_data, half_edge_data));
        }

      private:

        // NOTE: Can't use the typedef of Base as a friend.
        friend class pcl::geometry::MeshBase <QuadMesh <MeshTraitsT>, MeshTraitsT, pcl::geometry::QuadMeshTag>;

        inline FaceIndex
        addFaceImpl (const VertexIndices& vertices,
                     const FaceData&      face_data,
                     const EdgeData&      edge_data,
                     const HalfEdgeData&  half_edge_data)
        {
          if (vertices.size () == 4)
            return (this->addFaceImplBase (vertices, face_data, edge_data, half_edge_data));
          else
            return (FaceIndex ());
        }

        // Members

        VertexIndices add_quad_;

      public:

        EIGEN_MAKE_ALIGNED_OPERATOR_NEW
    };
  } // End namespace geom
} // End namespace pcl

#endif // PCL_GEOMETRY_QUAD_MESH_H