OpenMesh
OpenMesh/Tools/VDPM/VFront.hh
00001 /*===========================================================================*\
00002  *                                                                           *
00003  *                               OpenMesh                                    *
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00005  *                           www.openmesh.org                                *
00006  *                                                                           *
00007  *---------------------------------------------------------------------------* 
00008  *  This file is part of OpenMesh.                                           *
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00010  *  OpenMesh is free software: you can redistribute it and/or modify         * 
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00014  *  following exceptions:                                                    *
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00016  *  If other files instantiate templates or use macros                       *
00017  *  or inline functions from this file, or you compile this file and         *
00018  *  link it with other files to produce an executable, this file does        *
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00020  *  GNU Lesser General Public License. This exception does not however       *
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00023  *                                                                           *
00024  *  OpenMesh is distributed in the hope that it will be useful,              *
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00028  *                                                                           *
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00032  *                                                                           *
00033 \*===========================================================================*/ 
00034 
00035 /*===========================================================================*\
00036  *                                                                           *             
00037  *   $Revision: 362 $                                                         *
00038  *   $Date: 2011-01-26 10:21:12 +0100 (Mi, 26 Jan 2011) $                   *
00039  *                                                                           *
00040 \*===========================================================================*/
00041 
00042 //=============================================================================
00043 //
00044 //  CLASS VFront
00045 //
00046 //=============================================================================
00047 
00048 #ifndef OPENMESH_VDPROGMESH_VFRONT_HH
00049 #define OPENMESH_VDPROGMESH_VFRONT_HH
00050 
00051 
00052 //== INCLUDES =================================================================
00053 
00054 #include <OpenMesh/Core/System/config.h>
00055 #include <OpenMesh/Tools/VDPM/VHierarchyNode.hh>
00056 #include <vector>
00057 
00058 
00059 //== FORWARDDECLARATIONS ======================================================
00060 
00061 
00062 //== NAMESPACES ===============================================================
00063 
00064 namespace OpenMesh {
00065 namespace VDPM {
00066 
00067 //== CLASS DEFINITION =========================================================
00068 
00069               
00073 class VFront
00074 {
00075 private:
00076 
00077   typedef VHierarchyNodeHandleList::iterator  VHierarchyNodeHandleListIter;
00078   enum VHierarchyNodeStatus { kSplit, kActive, kCollapse };
00079   
00080   VHierarchyNodeHandleList                    front_;
00081   VHierarchyNodeHandleListIter                front_it_;
00082   std::vector<VHierarchyNodeHandleListIter>   front_location_;
00083 
00084 public:
00085 
00086   VFront();
00087 
00088   void clear() { front_.clear(); front_location_.clear(); }
00089   void begin() { front_it_ = front_.begin(); }
00090   bool end()   { return (front_it_ == front_.end()) ? true : false; }
00091   void next()  { ++front_it_; }
00092   int size()   { return (int) front_.size(); }
00093   VHierarchyNodeHandle node_handle()    { return  *front_it_; }
00094 
00095   void add(VHierarchyNodeHandle _node_handle);
00096   void remove(VHierarchyNodeHandle _node_handle);
00097   bool is_active(VHierarchyNodeHandle _node_handle);
00098   void init(VHierarchyNodeHandleContainer &_roots, unsigned int _n_details);  
00099 };
00100 
00101 
00102 //=============================================================================
00103 } // namespace VDPM
00104 } // namespace OpenMesh
00105 //=============================================================================
00106 #endif // OPENMESH_VDPROGMESH_VFRONT_HH defined
00107 //=============================================================================
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