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ArrayKernelT.hh
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48 
49 
50 //=============================================================================
51 //
52 // CLASS OSGArrayKernelT
53 //
54 //=============================================================================
55 
56 
57 #ifndef OPENMESH_KERNELOSG_ARRAY_KERNEL_HH
58 #define OPENMEHS_KERNELOSG_ARRAY_KERNEL_HH
59 
60 
61 //== INCLUDES =================================================================
62 
63 #include <vector>
64 // --------------------
65 #include <OpenMesh/Core/System/config.h>
66 #include <OpenMesh/Core/Utils/GenProg.hh>
67 #include <OpenMesh/Core/Mesh/ArrayKernel.hh>
68 // --------------------
69 #include <OpenMesh/Tools/Kernel_OSG/AttribKernelT.hh>
70 
71 
72 
73 //== NAMESPACES ===============================================================
74 
75 
76 namespace OpenMesh {
77 namespace Kernel_OSG {
78 
79 //== CLASS DEFINITION =========================================================
80 
81 
92 // \see OpenMesh::ArrayHandleT
93 // \see \ref mesh_type
94 
95 
96 template <class AttribKernel, class FinalMeshItems>
98  : public OpenMesh::ArrayKernelT<AttribKernel, FinalMeshItems>
99 {
100 public:
101 
103  typedef OpenMesh::ArrayKernelT<AttribKernel, FinalMeshItems> Base;
104 
105  // attributes
106 // typedef typename Base::HasVertexNormals HasVertexNormals;
107 // typedef typename Base::HasVertexColors HasVertexColors;
108 // typedef typename Base::HasVertexTexCoords HasVertexTexCoords;
109 // typedef typename Base::HasVertexStatus HasVertexStatus;
110  typedef typename Base::HasPrevHalfedge HasPrevHalfedge;
111 // typedef typename Base::HasEdgeStatus HasEdgeStatus;
112 // typedef typename Base::HasFaceNormals HasFaceNormals;
113 // typedef typename Base::HasFaceColors HasFaceColors;
114 // typedef typename Base::HasFaceStatus HasFaceStatus;
115 
116  // item types
117  typedef typename FinalMeshItems::Vertex Vertex;
118  typedef typename FinalMeshItems::Halfedge Halfedge;
119  typedef typename FinalMeshItems::Edge Edge;
120  typedef typename FinalMeshItems::Face Face;
121  typedef typename FinalMeshItems::Point Point;
122  typedef typename FinalMeshItems::Normal Normal;
123  typedef typename FinalMeshItems::Color Color;
124  typedef typename FinalMeshItems::TexCoord TexCoord;
125  typedef typename FinalMeshItems::Scalar Scalar;
126 
127 // // handles
128 // typedef typename OpenMesh::VertexHandle VertexHandle;
129 // typedef typename FinalMeshItems::HalfedgeHandle HalfedgeHandle;
130 // typedef typename FinalMeshItems::EdgeHandle EdgeHandle;
131 // typedef typename FinalMeshItems::FaceHandle FaceHandle;
132 
133  // iterators
134  typedef std::vector<Vertex> VertexContainer;
135  typedef std::vector<Edge> EdgeContainer;
136  typedef std::vector<Face> FaceContainer;
137  typedef typename VertexContainer::iterator KernelVertexIter;
138  typedef typename VertexContainer::const_iterator KernelConstVertexIter;
139  typedef typename EdgeContainer::iterator KernelEdgeIter;
140  typedef typename EdgeContainer::const_iterator KernelConstEdgeIter;
141  typedef typename FaceContainer::iterator KernelFaceIter;
142  typedef typename FaceContainer::const_iterator KernelConstFaceIter;
143 
144 public:
145 
146  ArrayKernelT() : Base()
147  { }
148 
149  virtual ~ArrayKernelT()
150  { }
151 
152 public: // replacements
153 
154  void set_halfedge_handle(VertexHandle _vh, HalfedgeHandle _heh) {
155  Base::set_halfedge_handle( _vh, _heh );
156  }
157 
158  void set_halfedge_handle(FaceHandle _fh, HalfedgeHandle _heh) {
159  Base::set_halfedge_handle( _fh, _heh );
160  osg_sync( _fh );
161  }
162 
163  void set_next_halfedge_handle(HalfedgeHandle _heh, HalfedgeHandle _nheh) {
164  Base::set_next_halfedge_handle( _heh, _nheh );
165  osg_sync( face_handle( _heh ) ); // ##Changed
166  }
167 
168  void garbage_collection(bool _v=true, bool _e=true, bool _f=true);
169 
170 protected:
171 
172  bool osg_sync( FaceHandle _fh )
173  {
174  return _fh.is_valid()
175  ? osg_sync( _fh, typename Face::IsTriangle() )
176  : false;
177  }
178 
179 private:
180 
181  bool osg_sync( FaceHandle _fh, GenProg::Bool2Type<true> )
182  {
183  HalfedgeHandle hh( halfedge_handle(_fh) );
184  if ( !hh.is_valid() ) return false;
185  FaceHandle f1( _fh.idx() * 3 );
186  set_face_indices( f1, to_vertex_handle(hh).idx() );
187 
188  hh = next_halfedge_handle(hh);
189  if ( !hh.is_valid() ) return false;
190  FaceHandle f2( f1.idx()+1 );
191  set_face_indices( f2, to_vertex_handle(hh).idx() );
192 
193  hh = next_halfedge_handle(hh);
194  if ( !hh.is_valid() ) return false;
195  FaceHandle f3( f1.idx()+2 );
196  set_face_indices( f3, to_vertex_handle(hh).idx() );
197 
198  set_face_types ( _fh, GL_TRIANGLES );
199  set_face_lengths( _fh, 3 );
200 
201  return true;
202  }
203 
204  bool osg_sync( FaceHandle _fh, GenProg::Bool2Type<false> )
205  {
206  return false;
207  }
208 
209 };
210 
211 
212 template <class AttribKernel, class FinalMeshItems>
213 void
215 garbage_collection(bool _v, bool _e, bool _f)
216 {
217  Base::garbage_collection(_v, _e, _f);
218  for (size_t fidx=0; fidx < n_faces(); ++fidx)
219  osg_sync( FaceHandle(fidx) );
220 }
221 
222 //=============================================================================
223 } // namespace Kernel_OSG
224 } // namespace OpenMesh
225 //=============================================================================
226 #endif // OPENMESH_ARRAY_KERNEL_HH defined
227 //=============================================================================
Add normals to mesh item (vertices/faces)
Definition: Attributes.hh:87
int idx() const
Get the underlying index of this handle.
Definition: Handles.hh:74
bool is_valid() const
The handle is valid iff the index is not equal to -1.
Definition: Handles.hh:77
Handle for a vertex entity.
Definition: Handles.hh:123
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
Add colors to mesh item (vertices/faces/edges)
Definition: Attributes.hh:88
Handle for a halfedge entity.
Definition: Handles.hh:130
Mesh kernel using arrays for mesh item storage.
Definition: ArrayKernelT.hh:97
Handle for a face entity.
Definition: Handles.hh:144

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