189 lines
6.2 KiB
C++
189 lines
6.2 KiB
C++
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//=============================================================================
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//
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// OpenMesh
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// Copyright (C) 2001-2005 by Computer Graphics Group, RWTH Aachen
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// www.openmesh.org
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//
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//-----------------------------------------------------------------------------
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//
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// License
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Library General Public License as published
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// by the Free Software Foundation, version 2.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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//-----------------------------------------------------------------------------
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//
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// $Revision: 1.2 $
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// $Date: 2005-12-21 14:05:27 $
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//
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//=============================================================================
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//=============================================================================
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//
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// Mesh Items Concept
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//
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//=============================================================================
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#error this file is for documentation purposes only
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//== NAMESPACES ===============================================================
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namespace OpenMesh {
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namespace Concepts {
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//== CLASS DEFINITION =========================================================
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/** \ingroup mesh_concepts_group
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The mesh items class encapsulates the types VertexT, HalfedgeT,
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EdgeT, and FaceT.
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\see VertexT, HalfedgeT, EdgeT, FaceT
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*/
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struct MeshItems {
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/** Interface for the internal vertex type. This minimal interface
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must be provided by every vertex. It's up to the mesh kernel (or
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the items used by the mesh kernel) to implement it.
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All methods marked as internal should only be used by the mesh
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kernel.
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*/
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template <class Refs_> class VertexT
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{
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public:
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/// Re-export the template argument Refs. This \b must be done!
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typedef Refs_ Refs;
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/// Default constructor
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VertexT();
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/// Get an outgoing halfedge
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HalfedgeHandle halfedge_handle() const;
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/// Set the outgoing halfedge link
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void set_halfedge_handle(HalfedgeHandle _eh);
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};
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/** Interface for the internal halfedge type. This minimal interface
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must be provided by every halfedge. It's up to the mesh kernel (or
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the items used by the mesh kernel) to implement it.
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All methods marked as internal should only be used by the mesh
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kernel.
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*/
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template <class Refs_> class HalfedgeT
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{
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public:
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/// Re-export the template argument Refs. This \b must be done!
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typedef Refs_ Refs;
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/** Get the vertex the halfedge point to.
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\internal */
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VertexHandle vertex_handle() const;
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/** Set the vertex the halfedge point to.
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\internal */
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void set_vertex_handle(VertexHandle _vh);
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/** Get the face this halfedge belongs to.
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\internal */
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FaceHandle face_handle() const;
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/** Set the face this halfedge belongs to.
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\internal */
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void set_face_handle(FaceHandle _fh);
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/** Get the next halfedge inside this face.
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\internal */
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HalfedgeHandle next_halfedge_handle() const;
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/** Set the next halfedge inside this face.
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\internal */
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void set_next_halfedge_handle(HalfedgeHandle _eh);
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};
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/** Interface for the internal edge type. This minimal interface must
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be provided by every edge. It's up to the mesh kernel (or the
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items used by the mesh kernel) to implement it.
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All methods marked as internal should only be used by the mesh
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kernel.
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*/
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template <class Refs_> class EdgeT
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{
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public:
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/// Re-export the template argument Refs. This \b must be done!
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typedef Refs_ Refs;
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/** Store two halfedges.
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\internal */
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Halfedge halfedges[2];
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};
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/** Interface for the internal face type. This minimal interface must
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be provided by every face. It's up to the mesh kernel (or the
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items used by the mesh kernel) to implement it.
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All methods marked as internal should only be used by the mesh
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kernel.
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*/
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template <class Refs_> class FaceT
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{
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public:
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/// Re-export the template argument Refs. This \b must be done!
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typedef Refs_ Refs;
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/** Compile-time-tag: is this face a triangle? Should be typedef'ed
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to either GenProg::TagTrue or GenProg::TagFalse */
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typedef GenProg::TagTrue IsTriangle;
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/// Run-time test: is this face a triangle?
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static bool is_triangle();
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/// Get the number of vertices of this face.
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unsigned char n_vertices() const;
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/** Set the number of vertices of this face.
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\internal */
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void set_n_vertices(unsigned char _n);
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/// Get a halfedge that belongs to this face.
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HalfedgeHandle halfedge_handle() const;
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/** Set a halfedge that belongs this face.
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\internal */
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void set_halfedge_handle(HalfedgeHandle _eh);
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};
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};
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//=============================================================================
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} // namespace Concepts
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} // namespace OpenMesh
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//=============================================================================
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