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VectorAdapter.hh
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48 
49 // ----------------------------------------------------------------------------
50 
51 #ifndef OPENMESH_KERNEL_OSG_VECTORADAPTER_HH
52 #define OPENMESH_KERNEL_OSG_VECTORADAPTER_HH
53 
54 
55 //== INCLUDES =================================================================
56 
57 #include <osg/Geometry>
58 #include <OpenMesh/Core/Utils/vector_cast.hh>
59 
60 //== NAMESPACES ===============================================================
61 
62 namespace OpenMesh {
63 
64 //== CLASS DEFINITION =========================================================
65 
66 // ----------------------------------------------------------------- class ----
67 
68 #define OSG_VECTOR_TRAITS( VecType ) \
69  template <> struct vector_traits< VecType > { \
70  typedef VecType vector_type; \
71  typedef vector_type::ValueType value_type; \
72  typedef GenProg::Int2Type< vector_type::_iSize > typed_size; \
73  \
74  static const size_t size_ = vector_type::_iSize; \
75  static size_t size() { return size_; } \
76  }
77 
79 OSG_VECTOR_TRAITS( osg::Pnt4f );
81 OSG_VECTOR_TRAITS( osg::Pnt3f );
83 OSG_VECTOR_TRAITS( osg::Pnt2f );
84 
86 OSG_VECTOR_TRAITS( osg::Vec4f );
88 OSG_VECTOR_TRAITS( osg::Vec3f );
90 OSG_VECTOR_TRAITS( osg::Vec2f );
91 
93 OSG_VECTOR_TRAITS( osg::Pnt4d );
95 OSG_VECTOR_TRAITS( osg::Pnt3d );
97 OSG_VECTOR_TRAITS( osg::Pnt2d );
98 
100 OSG_VECTOR_TRAITS( osg::Vec4d );
102 OSG_VECTOR_TRAITS( osg::Vec3d );
103 
105 OSG_VECTOR_TRAITS( osg::Vec4ub );
106 
107 
108 // ----------------------------------------------------------------------------
109 
110 
111 #define OSG_COLOR_TRAITS( VecType, N ) \
112  template <> struct vector_traits< VecType > { \
113  typedef VecType vector_type; \
114  typedef vector_type::ValueType value_type; \
115  typedef GenProg::Int2Type< N > typed_size; \
116  \
117  static const size_t size_ = N; \
118  static size_t size() { return size_; } \
119  }
120 
121 
123 OSG_COLOR_TRAITS( osg::Color3ub, 3 );
125 OSG_COLOR_TRAITS( osg::Color4ub, 4 );
127 OSG_COLOR_TRAITS( osg::Color3f, 3 );
129 OSG_COLOR_TRAITS( osg::Color4f, 4 );
130 
131 #undef OSG_VECTOR_TRAITS
132 
133 
134 // ----------------------------------------
135 #if 1
136 #define PNT2VEC_CASTER( DST, SRC ) \
137  template <> struct vector_caster< DST, SRC > { \
138  typedef DST dst_t; \
139  typedef SRC src_t; \
140  typedef const dst_t& return_type; \
141  inline static return_type cast( const src_t& _src ) {\
142  return _src.subZero(); \
143  } \
144  }
145 
147 PNT2VEC_CASTER( osg::Vec3f, osg::Pnt3f );
148 
150 PNT2VEC_CASTER( osg::Vec4f, osg::Pnt4f );
151 
153 PNT2VEC_CASTER( osg::Vec3d, osg::Pnt3d );
154 
156 PNT2VEC_CASTER( osg::Vec4d, osg::Pnt4d );
157 
158 #undef PNT2VEC
159 #else
160 
161  template <>
162  struct vector_caster< osg::Vec3f, osg::Pnt3f >
163  {
164  typedef osg::Vec3f dst_t;
165  typedef osg::Pnt3f src_t;
166 
167  typedef const dst_t& return_type;
168  inline static return_type cast( const src_t& _src )
169  {
170  std::cout << "casting Pnt3f to Vec3f\n";
171  return _src.subZero();
172  }
173  };
174 
175 #endif
176 // ----------------------------------------
177 
179 inline
181 osg::Vec3f::ValueType dot( const osg::Vec3f &_v1, const osg::Vec3f &_v2 )
182 { return _v1.dot(_v2); }
183 
184 
185 inline
186 osg::Vec3f::ValueType dot( const osg::Vec3f &_v1, const osg::Pnt3f &_v2 )
187 { return _v1.dot(_v2); }
188 
189 
190 inline
191 osg::Vec2f::ValueType dot( const osg::Vec2f &_v1, const osg::Vec2f &_v2 )
192 { return _v1.dot(_v2); }
193 
194 
195 inline
196 osg::Vec3f cross( const osg::Vec3f &_v1, const osg::Vec3f &_v2 )
197 { return _v1.cross(_v2); }
199 
200 //=============================================================================
201 } // namespace OpenMesh
202 //=============================================================================
203 #endif // OPENMESH_VECTORADAPTER_HH defined
204 //=============================================================================
205 
osg::Vec3f::ValueType dot(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.
Definition: VectorAdapter.hh:181
osg::Vec3f cross(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.
Definition: VectorAdapter.hh:196
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64

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