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SubdividerT.hh
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48 
53 //=============================================================================
54 //
55 // CLASS SubdividerT
56 //
57 //=============================================================================
58 
59 #ifndef OPENMESH_SUBDIVIDER_UNIFORM_SUDIVIDERT_HH
60 #define OPENMESH_SUBDIVIDER_UNIFORM_SUDIVIDERT_HH
61 
62 //== INCLUDE ==================================================================
63 
64 #include <OpenMesh/Core/System/config.hh>
65 #include <OpenMesh/Core/Utils/Noncopyable.hh>
66 #if defined(_DEBUG) || defined(DEBUG)
67 // Makes life lot easier, when playing/messing around with low-level topology
68 // changing methods of OpenMesh
69 # include <OpenMesh/Tools/Utils/MeshCheckerT.hh>
70 # define ASSERT_CONSISTENCY( T, m ) \
71  assert(OpenMesh::Utils::MeshCheckerT<T>(m).check())
72 #else
73 # define ASSERT_CONSISTENCY( T, m )
74 #endif
75 
76 //== NAMESPACE ================================================================
77 
78 namespace OpenMesh {
79 namespace Subdivider {
80 namespace Uniform {
81 
82 
83 //== CLASS DEFINITION =========================================================
84 
93 template <typename MeshType, typename RealType=float>
95 {
96 public:
97 
98  typedef MeshType mesh_t;
99  typedef RealType real_t;
100 
101 public:
102 
104 
105  SubdividerT(void) : attached_(NULL) { }
108 
111  SubdividerT( MeshType &_m ) : attached_(NULL) { attach(_m); }
112 
114 
116  virtual ~SubdividerT()
117  { detach(); }
118 
120  virtual const char *name( void ) const = 0;
121 
122 
123 public:
124 
126  bool operator () ( MeshType& _m, size_t _n , const bool _update_points = true)
129  {
130  return prepare(_m) && subdivide( _m, _n , _update_points ) && cleanup( _m );
131  }
133 
134 public:
135 
136  bool attach( MeshType& _m )
139  {
140  if ( attached_ == &_m )
141  return true;
142 
143  detach();
144  if (prepare( _m ))
145  {
146  attached_ = &_m;
147  return true;
148  }
149  return false;
150  }
151 
154  bool operator()( size_t _n , const bool _update_points = true)
155  {
156  return attached_ ? subdivide( *attached_, _n , _update_points) : false;
157  }
158 
161  void detach(void)
162  {
163  if ( attached_ )
164  {
165  cleanup( *attached_ );
166  attached_ = NULL;
167  }
168  }
170 
171 protected:
172 
174 
175  virtual bool prepare( MeshType& _m ) = 0;
177 
179  virtual bool subdivide( MeshType& _m, size_t _n, const bool _update_points = true) = 0;
180 
182  virtual bool cleanup( MeshType& _m ) = 0;
184 
185 private:
186 
187  MeshType *attached_;
188 
189 };
190 
191 //=============================================================================
192 } // namespace Uniform
193 } // namespace Subdivider
194 } // namespace OpenMesh
195 //=============================================================================
196 #endif // OPENMESH_SUBDIVIDER_UNIFORM_SUBDIVIDERT_HH
197 //=============================================================================
void detach(void)
Detach an eventually attached mesh.
Definition: SubdividerT.hh:161
bool operator()(MeshType &_m, size_t _n, const bool _update_points=true)
Subdivide the mesh _m _n times.
Definition: SubdividerT.hh:128
bool attach(MeshType &_m)
Attach mesh _m to self.
Definition: SubdividerT.hh:138
virtual const char * name(void) const =0
Return name of subdivision algorithm.
bool operator()(size_t _n, const bool _update_points=true)
Subdivide the attached _n times.
Definition: SubdividerT.hh:154
This class demonstrates the non copyable idiom.
Definition: Noncopyable.hh:76
SubdividerT(void)
Constructor to be used with interface 2.
Definition: SubdividerT.hh:107
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
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.
SubdividerT(MeshType &_m)
Constructor to be used with interface 1 (calls attach())
Definition: SubdividerT.hh:111
virtual bool prepare(MeshType &_m)=0
Prepare mesh, e.g. add properties.
Abstract base class for uniform subdivision algorithms.
Definition: SubdividerT.hh:94
virtual ~SubdividerT()
Descructor (calls detach())
Definition: SubdividerT.hh:116

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