OpenMesh: OpenMesh/Tools/Utils/StripifierT.hh Source File

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StripifierT.hh
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42 /*===========================================================================*\
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47 \*===========================================================================*/
48
49 //=============================================================================
50 //
51 // CLASS StripifierT
52 //
53 //=============================================================================
54
55
56 #ifndef OPENMESH_STRIPIFIERT_HH
57 #define OPENMESH_STRIPIFIERT_HH
58
59
60 //== INCLUDES =================================================================
61
62 #include <vector>
63 #include <OpenMesh/Core/Utils/Property.hh>
64
65
66 //== FORWARDDECLARATIONS ======================================================
67
68
69 //== NAMESPACES ===============================================================
70
71 namespace OpenMesh {
72
73
74 //== CLASS DEFINITION =========================================================
75
76
77
78
83 template <class Mesh>
84 class StripifierT
85 {
86 public:
87
88 typedef unsigned int Index;
89 typedef std::vector<Index> Strip;
90 typedef typename Strip::const_iterator IndexIterator;
91 typedef std::vector<Strip> Strips;
92 typedef typename Strips::const_iterator StripsIterator;
93
94
96 StripifierT(Mesh& _mesh);
97
99 ~StripifierT();
100
102 size_t stripify();
103
105 void clear() { Strips().swap(strips_); }
106
108 size_t n_strips() const { return strips_.size(); }
109
111 bool is_valid() const { return !strips_.empty(); }
112
114 StripsIterator begin() const { return strips_.begin(); }
116 StripsIterator end() const { return strips_.end(); }
117
118
119 private:
120
121 typedef std::vector<typename Mesh::FaceHandle> FaceHandles;
122
123
125 void build_strips();
126
128 void build_strip(typename Mesh::HalfedgeHandle _start_hh,
129 Strip& _strip,
130 FaceHandles& _faces);
131
132 FPropHandleT<bool>::reference processed(typename Mesh::FaceHandle _fh) {
133 return mesh_.property(processed_, _fh);
134 }
135 FPropHandleT<bool>::reference used(typename Mesh::FaceHandle _fh) {
136 return mesh_.property(used_, _fh);
137 }
138
139
140
141 private:
142
143 Mesh& mesh_;
144 Strips strips_;
145 FPropHandleT<bool> processed_, used_;
146 };
147
148
149 //=============================================================================
150 } // namespace OpenMesh
151 //=============================================================================
152 #if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_STRIPIFIERT_C)
153 #define OPENMESH_STRIPIFIERT_TEMPLATES
154 #include "StripifierT.cc"
155 #endif
156 //=============================================================================
157 #endif // OPENMESH_STRIPIFIERT_HH defined
158 //=============================================================================
OpenMesh::StripifierT::begin
StripsIterator begin() const
Access strips.
Definition: StripifierT.hh:114
OpenMesh::StripifierT::~StripifierT
~StripifierT()
Destructor.
Definition: StripifierT.cc:80
OpenMesh::StripifierT::is_valid
bool is_valid() const
are strips computed?
Definition: StripifierT.hh:111
OpenMesh::StripifierT
This class decomposes a triangle mesh into several triangle strips.
Definition: StripifierT.hh:84
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::FPropHandleT
Handle representing a face property.
Definition: Property.hh:529
OpenMesh::StripifierT::StripifierT
StripifierT(Mesh &_mesh)
Default constructor.
Definition: StripifierT.cc:72
OpenMesh::StripifierT::n_strips
size_t n_strips() const
returns number of strips
Definition: StripifierT.hh:108
OpenMesh::StripifierT::stripify
size_t stripify()
Compute triangle strips, returns number of strips.
Definition: StripifierT.cc:87
OpenMesh::StripifierT::clear
void clear()
delete all strips
Definition: StripifierT.hh:105
OpenMesh::StripifierT::end
StripsIterator end() const
Access strips.
Definition: StripifierT.hh:116