OpenMesh
SubdividerT.hh
Go to the documentation of this file.
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 
48 //=============================================================================
49 //
50 // CLASS SubdividerT
51 //
52 //=============================================================================
53 
54 #ifndef OPENMESH_SUBDIVIDER_UNIFORM_SUDIVIDERT_HH
55 #define OPENMESH_SUBDIVIDER_UNIFORM_SUDIVIDERT_HH
56 
57 //== INCLUDE ==================================================================
58 
59 #include <OpenMesh/Core/System/config.hh>
60 #include <OpenMesh/Core/Utils/Noncopyable.hh>
61 #if defined(_DEBUG) || defined(DEBUG)
62 // Makes life lot easier, when playing/messing around with low-level topology
63 // changing methods of OpenMesh
64 # include <OpenMesh/Tools/Utils/MeshCheckerT.hh>
65 # define ASSERT_CONSISTENCY( T, m ) \
66  assert(OpenMesh::Utils::MeshCheckerT<T>(m).check())
67 #else
68 # define ASSERT_CONSISTENCY( T, m )
69 #endif
70 
71 //== NAMESPACE ================================================================
72 
73 namespace OpenMesh {
74 namespace Subdivider {
75 namespace Uniform {
76 
77 //== CLASS DEFINITION =========================================================
78 
87 template <typename MeshType, typename RealType = double>
89 {
90 public:
91 
92  typedef MeshType mesh_t;
93  typedef RealType real_t;
94 
95 public:
96 
98 
99  SubdividerT(void) : attached_() { }
102 
105  explicit SubdividerT( MeshType &_m ) : attached_(nullptr) { attach(_m); }
106 
108 
110  virtual ~SubdividerT()
111  { detach(); }
112 
114  virtual const char *name( void ) const = 0;
115 
116 
117 public:
118 
120  bool operator () ( MeshType& _m, size_t _n , const bool _update_points = true)
123  {
124  return prepare(_m) && subdivide( _m, _n , _update_points ) && cleanup( _m );
125  }
127 
128 public:
129 
130  bool attach( MeshType& _m )
133  {
134  if ( attached_ == &_m )
135  return true;
136 
137  detach();
138  if (prepare( _m ))
139  {
140  attached_ = &_m;
141  return true;
142  }
143  return false;
144  }
145 
148  bool operator()( size_t _n , const bool _update_points = true)
149  {
150  return attached_ ? subdivide( *attached_, _n , _update_points) : false;
151  }
152 
155  void detach(void)
156  {
157  if ( attached_ )
158  {
159  cleanup( *attached_ );
160  attached_ = nullptr;
161  }
162  }
164 
165 protected:
166 
168 
169  virtual bool prepare( MeshType& _m ) = 0;
171 
173  virtual bool subdivide( MeshType& _m, size_t _n, const bool _update_points = true) = 0;
174 
176  virtual bool cleanup( MeshType& _m ) = 0;
178 
179 private:
180 
181  MeshType *attached_;
182 
183 };
184 
185 //=============================================================================
186 } // namespace Uniform
187 } // namespace Subdivider
188 } // namespace OpenMesh
189 //=============================================================================
190 #endif // OPENMESH_SUBDIVIDER_UNIFORM_SUBDIVIDERT_HH
191 //=============================================================================
virtual bool cleanup(MeshType &_m)=0
Cleanup mesh after usage, e.g. remove added properties.
virtual bool subdivide(MeshType &_m, size_t _n, const bool _update_points=true)=0
Subdivide mesh _m _n times.
void detach(void)
Detach an eventually attached mesh.
Definition: SubdividerT.hh:155
bool operator()(MeshType &_m, size_t _n, const bool _update_points=true)
Subdivide the mesh _m _n times.
Definition: SubdividerT.hh:122
virtual const char * name(void) const =0
Return name of subdivision algorithm.
bool attach(MeshType &_m)
Attach mesh _m to self.
Definition: SubdividerT.hh:132
SubdividerT(void)
Constructor to be used with interface 2.
Definition: SubdividerT.hh:101
Abstract base class for uniform subdivision algorithms.
Definition: SubdividerT.hh:88
bool operator()(size_t _n, const bool _update_points=true)
Subdivide the attached _n times.
Definition: SubdividerT.hh:148
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
virtual bool prepare(MeshType &_m)=0
Prepare mesh, e.g. add properties.
SubdividerT(MeshType &_m)
Constructor to be used with interface 1 (calls attach())
Definition: SubdividerT.hh:105
This class demonstrates the non copyable idiom.
Definition: Noncopyable.hh:71
virtual ~SubdividerT()
Destructor (calls detach())
Definition: SubdividerT.hh:110

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