OpenMesh
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
ModBaseT.hh
Go to the documentation of this file.
1 /*===========================================================================*\
2  * *
3  * OpenMesh *
4  * Copyright (C) 2001-2012 by Computer Graphics Group, RWTH Aachen *
5  * www.openmesh.org *
6  * *
7  *---------------------------------------------------------------------------*
8  * This file is part of OpenMesh. *
9  * *
10  * OpenMesh is free software: you can redistribute it and/or modify *
11  * it under the terms of the GNU Lesser General Public License as *
12  * published by the Free Software Foundation, either version 3 of *
13  * the License, or (at your option) any later version with the *
14  * following exceptions: *
15  * *
16  * If other files instantiate templates or use macros *
17  * or inline functions from this file, or you compile this file and *
18  * link it with other files to produce an executable, this file does *
19  * not by itself cause the resulting executable to be covered by the *
20  * GNU Lesser General Public License. This exception does not however *
21  * invalidate any other reasons why the executable file might be *
22  * covered by the GNU Lesser General Public License. *
23  * *
24  * OpenMesh is distributed in the hope that it will be useful, *
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
27  * GNU Lesser General Public License for more details. *
28  * *
29  * You should have received a copy of the GNU LesserGeneral Public *
30  * License along with OpenMesh. If not, *
31  * see <http://www.gnu.org/licenses/>. *
32  * *
33 \*===========================================================================*/
34 
35 /*===========================================================================*\
36  * *
37  * $Revision: 737 $ *
38  * $Date: 2012-10-08 09:33:20 +0200 (Mo, 08 Okt 2012) $ *
39  * *
40 \*===========================================================================*/
41 
46 //=============================================================================
47 //
48 // CLASS ModBaseT
49 //
50 //=============================================================================
51 
52 #ifndef OPENMESH_DECIMATER_MODBASET_HH
53 #define OPENMESH_DECIMATER_MODBASET_HH
54 
55 
56 //== INCLUDES =================================================================
57 
58 #include <OpenMesh/Core/Utils/Noncopyable.hh>
60 #include <string>
61 
62 
63 //== NAMESPACE ================================================================
64 
65 namespace OpenMesh {
66 namespace Decimater {
67 
68 
69 //== FORWARD DECLARATIONS =====================================================
70 
71 template <typename Mesh> class BaseDecimaterT;
72 
73 
74 //== CLASS DEFINITION =========================================================
75 
80 template <typename Module>
82 {
83 public:
84 
85  typedef ModHandleT<Module> Self;
86  typedef Module module_type;
87 
88 public:
89 
91  ModHandleT() : mod_(NULL) {}
92 
94  ~ModHandleT() { /* don't delete mod_, since handle is not owner! */ }
95 
98  bool is_valid() const { return mod_ != NULL; }
99 
100 private:
101 
102 #if defined(OM_CC_MSVC)
103  friend class BaseDecimaterT;
104 #else
105  template <typename Mesh> friend class BaseDecimaterT;
106 #endif
107 
108  void clear() { mod_ = NULL; }
109  void init(Module* _m) { mod_ = _m; }
110  Module* module() { return mod_; }
111 
112 
113 private:
114 
115  Module* mod_;
116 
117 };
118 
119 
120 
121 
122 //== CLASS DEFINITION =========================================================
123 
124 
125 
128 #define DECIMATER_MODNAME(_mod_name) \
129  virtual const std::string& name() const { \
130  static std::string _s_modname_(#_mod_name); return _s_modname_; \
131 }
132 
133 
147 #define DECIMATING_MODULE(Classname, MeshT, Name) \
148  typedef Classname < MeshT > Self; \
149  typedef OpenMesh::Decimater::ModHandleT< Self > Handle; \
150  typedef OpenMesh::Decimater::ModBaseT< MeshT > Base; \
151  typedef typename Base::Mesh Mesh; \
152  typedef typename Base::CollapseInfo CollapseInfo; \
153  DECIMATER_MODNAME( Name )
154 
155 
156 
157 //== CLASS DEFINITION =========================================================
158 
159 
189 template <typename MeshT>
190 class ModBaseT
191 {
192 public:
193  typedef MeshT Mesh;
195 
196  enum {
197  ILLEGAL_COLLAPSE = -1,
198  LEGAL_COLLAPSE = 0
199  };
200 
201 protected:
202 
205  ModBaseT(MeshT& _mesh, bool _is_binary)
206  : error_tolerance_factor_(1.0), mesh_(_mesh), is_binary_(_is_binary) {}
207 
208 public:
209 
211  virtual ~ModBaseT() { }
212 
215 
216 
218  bool is_binary(void) const { return is_binary_; }
219 
221  void set_binary(bool _b) { is_binary_ = _b; }
222 
223 
224 public: // common interface
225 
227  virtual void initialize() { }
228 
243  virtual float collapse_priority(const CollapseInfoT<MeshT>& /* _ci */)
244  { return LEGAL_COLLAPSE; }
245 
249  virtual void preprocess_collapse(const CollapseInfoT<MeshT>& /* _ci */)
250  {}
251 
255  virtual void postprocess_collapse(const CollapseInfoT<MeshT>& /* _ci */)
256  {}
257 
266  virtual void set_error_tolerance_factor(double _factor) {
267  if (_factor >= 0.0 && _factor <= 1.0)
268  error_tolerance_factor_ = _factor;
269  }
270 
271 
272 protected:
273 
275  MeshT& mesh() { return mesh_; }
276 
277  // current percentage of the original constraint
278  double error_tolerance_factor_;
279 
280 private:
281 
282  // hide copy constructor & assignemnt
283  ModBaseT(const ModBaseT& _cpy);
284  ModBaseT& operator=(const ModBaseT& );
285 
286  MeshT& mesh_;
287 
288  bool is_binary_;
289 };
290 
291 
292 //=============================================================================
293 } // namespace Decimater
294 } // namespace OpenMesh
295 //=============================================================================
296 #endif // OPENMESH_DECIMATER_MODBASE_HH defined
297 //=============================================================================
298 

acg pic Project OpenMesh, ©  Computer Graphics Group, RWTH Aachen. Documentation generated using doxygen .