Developer Documentation
VFront.hh
1 /* ========================================================================= *
2  * *
3  * OpenMesh *
4  * Copyright (c) 2001-2015, RWTH-Aachen University *
5  * Department of Computer Graphics and Multimedia *
6  * All rights reserved. *
7  * www.openmesh.org *
8  * *
9  *---------------------------------------------------------------------------*
10  * This file is part of OpenMesh. *
11  *---------------------------------------------------------------------------*
12  * *
13  * Redistribution and use in source and binary forms, with or without *
14  * modification, are permitted provided that the following conditions *
15  * are met: *
16  * *
17  * 1. Redistributions of source code must retain the above copyright notice, *
18  * this list of conditions and the following disclaimer. *
19  * *
20  * 2. Redistributions in binary form must reproduce the above copyright *
21  * notice, this list of conditions and the following disclaimer in the *
22  * documentation and/or other materials provided with the distribution. *
23  * *
24  * 3. Neither the name of the copyright holder nor the names of its *
25  * contributors may be used to endorse or promote products derived from *
26  * this software without specific prior written permission. *
27  * *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39  * *
40  * ========================================================================= */
41 
42 /*===========================================================================*\
43  * *
44  * $Revision$ *
45  * $Date$ *
46  * *
47 \*===========================================================================*/
48 
49 //=============================================================================
50 //
51 // CLASS VFront
52 //
53 //=============================================================================
54 
55 #ifndef OPENMESH_VDPROGMESH_VFRONT_HH
56 #define OPENMESH_VDPROGMESH_VFRONT_HH
57 
58 
59 //== INCLUDES =================================================================
60 
62 #include <OpenMesh/Tools/VDPM/VHierarchyNode.hh>
63 #include <vector>
64 
65 
66 //== FORWARDDECLARATIONS ======================================================
67 
68 
69 //== NAMESPACES ===============================================================
70 
71 namespace OpenMesh {
72 namespace VDPM {
73 
74 //== CLASS DEFINITION =========================================================
75 
76 
80 class OPENMESHDLLEXPORT VFront
81 {
82 private:
83 
84  typedef VHierarchyNodeHandleList::iterator VHierarchyNodeHandleListIter;
85  enum VHierarchyNodeStatus { kSplit, kActive, kCollapse };
86 
88  VHierarchyNodeHandleListIter front_it_;
89  std::vector<VHierarchyNodeHandleListIter> front_location_;
90 
91 public:
92 
93  VFront();
94 
95  void clear() { front_.clear(); front_location_.clear(); }
96  void begin() { front_it_ = front_.begin(); }
97  bool end() { return (front_it_ == front_.end()) ? true : false; }
98  void next() { ++front_it_; }
99  int size() { return (int) front_.size(); }
100  VHierarchyNodeHandle node_handle() { return *front_it_; }
101 
102  void add(VHierarchyNodeHandle _node_handle);
103  void remove(VHierarchyNodeHandle _node_handle);
104  bool is_active(VHierarchyNodeHandle _node_handle);
105  void init(VHierarchyNodeHandleContainer &_roots, unsigned int _n_details);
106 };
107 
108 
109 //=============================================================================
110 } // namespace VDPM
111 } // namespace OpenMesh
112 //=============================================================================
113 #endif // OPENMESH_VDPROGMESH_VFRONT_HH defined
114 //=============================================================================
std::list< VHierarchyNodeHandle > VHierarchyNodeHandleList
Container for vertex hierarchy node handles.
std::vector< VHierarchyNodeHandle > VHierarchyNodeHandleContainer
Container for vertex hierarchy node handles.