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TriStripNodeDeprecatedT.hh
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51 
52 
53 //=============================================================================
54 //
55 // CLASS TriStripNodeDeprecatedT
56 //
57 //=============================================================================
58 
59 
60 #ifndef ACG_TRISTRIPNODET_HH
61 #define ACG_TRISTRIPNODET_HH
62 
63 
64 //== INCLUDES =================================================================
65 
66 
67 #include <OpenMesh/Tools/Utils/StripifierT.hh>
68 #include "MeshNodeDeprecatedT.hh"
69 
70 
71 //== NAMESPACES ===============================================================
72 
73 
74 namespace ACG {
75 namespace SceneGraph {
76 
77 
78 //== CLASS DEFINITION =========================================================
79 
80 
81 
87 template <class Mesh>
88 class TriStripNodeDeprecatedT : public MeshNodeDeprecatedT<Mesh>
89 {
90 public:
91 
93  typedef MeshNodeDeprecatedT<Mesh> Base;
94  typedef typename Base::FaceMode FaceMode;
95 
96 
99  BaseNode* _parent=0,
100  std::string _name="<TriStripNodeDeprecatedT>" )
101  : Base(_mesh, _parent, _name),
102  strips_(_mesh)
103  {}
104 
105 
108 
109 
110  ACG_CLASSNAME(TriStripNodeDeprecatedT);
111 
112 
115  {
116  std::vector<unsigned int>().swap(Base::indices_);
117  strips_.stripify();
118  }
119 
120 
122  virtual void update_topology()
123  {
124  strips_.clear();
125  Base::update_topology();
126  }
127 
128 
129 
130 private:
131 
132  virtual void draw_faces(FaceMode _mode)
133  {
134  if (Base::mesh_.is_trimesh() &&
135  _mode == Base::PER_VERTEX &&
136  strips_.is_valid())
137  {
138  typename MyStripifier::StripsIterator strip_it = strips_.begin();
139  typename MyStripifier::StripsIterator strip_last = strips_.end();
140 
141  for (; strip_it!=strip_last; ++strip_it)
142  glDrawElements(GL_TRIANGLE_STRIP,
143  strip_it->size(),
144  GL_UNSIGNED_INT,
145  &(*strip_it)[0] );
146  }
147  else Base::draw_faces(_mode);
148  }
149 
150 
151  MyStripifier strips_;
152 };
153 
154 
155 //=============================================================================
156 } // namespace SceneGraph
157 } // namespace ACG
158 //=============================================================================
159 #endif // ACG_TRISTRIPNODET_HH defined
160 //=============================================================================
161 
bool is_valid() const
are strips computed?
Definition: StripifierT.hh:111
Namespace providing different geometric functions concerning angles.
Definition: DBSCANT.cc:51
virtual void update_topology()
build face indices, delete strips
TriStripNodeDeprecatedT(Mesh &_mesh, BaseNode *_parent=0, std::string _name="<TriStripNodeDeprecatedT>")
Default constructor.
size_t stripify()
Compute triangle strips, returns number of strips.
Definition: StripifierT.cc:87
void update_strips()
build triangle strips, delete face indices
StripsIterator begin() const
Access strips.
Definition: StripifierT.hh:114
void clear()
delete all strips
Definition: StripifierT.hh:105
StripsIterator end() const
Access strips.
Definition: StripifierT.hh:116