OpenMesh
StripifierT.hh
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41 
42 
43 
44 //=============================================================================
45 //
46 // CLASS StripifierT
47 //
48 //=============================================================================
49 
50 
51 #ifndef OPENMESH_STRIPIFIERT_HH
52 #define OPENMESH_STRIPIFIERT_HH
53 
54 
55 //== INCLUDES =================================================================
56 
57 #include <vector>
58 #include <OpenMesh/Core/Utils/Property.hh>
59 
60 
61 //== FORWARDDECLARATIONS ======================================================
62 
63 
64 //== NAMESPACES ===============================================================
65 
66 namespace OpenMesh {
67 
68 
69 //== CLASS DEFINITION =========================================================
70 
71 
72 
73 
78 template <class Mesh>
80 {
81 public:
82 
83  typedef unsigned int Index;
84  typedef std::vector<Index> Strip;
85  typedef typename Strip::const_iterator IndexIterator;
86  typedef std::vector<Strip> Strips;
87  typedef typename Strips::const_iterator StripsIterator;
88 
89 
91  explicit StripifierT(Mesh& _mesh);
92 
94  ~StripifierT();
95 
97  size_t stripify();
98 
100  void clear() { Strips().swap(strips_); }
101 
103  size_t n_strips() const { return strips_.size(); }
104 
106  bool is_valid() const { return !strips_.empty(); }
107 
109  StripsIterator begin() const { return strips_.begin(); }
111  StripsIterator end() const { return strips_.end(); }
112 
113 
114 private:
115 
116  typedef std::vector<typename Mesh::FaceHandle> FaceHandles;
117 
118 
120  void build_strips();
121 
123  void build_strip(typename Mesh::HalfedgeHandle _start_hh,
124  Strip& _strip,
125  FaceHandles& _faces);
126 
127  FPropHandleT<bool>::reference processed(typename Mesh::FaceHandle _fh) {
128  return mesh_.property(processed_, _fh);
129  }
130  FPropHandleT<bool>::reference used(typename Mesh::FaceHandle _fh) {
131  return mesh_.property(used_, _fh);
132  }
133 
134 
135 
136 private:
137 
138  Mesh& mesh_;
139  Strips strips_;
140  FPropHandleT<bool> processed_, used_;
141 };
142 
143 
144 //=============================================================================
145 } // namespace OpenMesh
146 //=============================================================================
147 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_STRIPIFIERT_C)
148 #define OPENMESH_STRIPIFIERT_TEMPLATES
149 #include "StripifierT_impl.hh"
150 #endif
151 //=============================================================================
152 #endif // OPENMESH_STRIPIFIERT_HH defined
153 //=============================================================================
Handle representing a face property.
Definition: Property.hh:529
This class decomposes a triangle mesh into several triangle strips.
Definition: StripifierT.hh:79
~StripifierT()
Destructor.
Definition: StripifierT_impl.hh:75
size_t stripify()
Compute triangle strips, returns number of strips.
Definition: StripifierT_impl.hh:82
StripsIterator begin() const
Access strips.
Definition: StripifierT.hh:109
void clear()
delete all strips
Definition: StripifierT.hh:100
StripifierT(Mesh &_mesh)
Default constructor.
Definition: StripifierT_impl.hh:67
size_t n_strips() const
returns number of strips
Definition: StripifierT.hh:103
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:59
StripsIterator end() const
Access strips.
Definition: StripifierT.hh:111
bool is_valid() const
are strips computed?
Definition: StripifierT.hh:106

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