OpenMesh
VectorAdapter.hh
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35 /*===========================================================================*\
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41 
42 // ----------------------------------------------------------------------------
43 
44 #ifndef OPENMESH_KERNEL_OSG_VECTORADAPTER_HH
45 #define OPENMESH_KERNEL_OSG_VECTORADAPTER_HH
46 
47 
48 //== INCLUDES =================================================================
49 
50 #include <osg/Geometry>
51 #include <OpenMesh/Core/Utils/vector_cast.hh>
52 
53 //== NAMESPACES ===============================================================
54 
55 namespace OpenMesh {
56 
57 //== CLASS DEFINITION =========================================================
58 
59 // ----------------------------------------------------------------- class ----
60 
61 #define OSG_VECTOR_TRAITS( VecType ) \
62  template <> struct vector_traits< VecType > { \
63  typedef VecType vector_type; \
64  typedef vector_type::ValueType value_type; \
65  typedef GenProg::Int2Type< vector_type::_iSize > typed_size; \
66  \
67  static const size_t size_ = vector_type::_iSize; \
68  static size_t size() { return size_; } \
69  }
70 
72 OSG_VECTOR_TRAITS( osg::Pnt4f );
74 OSG_VECTOR_TRAITS( osg::Pnt3f );
76 OSG_VECTOR_TRAITS( osg::Pnt2f );
77 
79 OSG_VECTOR_TRAITS( osg::Vec4f );
81 OSG_VECTOR_TRAITS( osg::Vec3f );
83 OSG_VECTOR_TRAITS( osg::Vec2f );
84 
86 OSG_VECTOR_TRAITS( osg::Pnt4d );
88 OSG_VECTOR_TRAITS( osg::Pnt3d );
90 OSG_VECTOR_TRAITS( osg::Pnt2d );
91 
93 OSG_VECTOR_TRAITS( osg::Vec4d );
95 OSG_VECTOR_TRAITS( osg::Vec3d );
96 
98 OSG_VECTOR_TRAITS( osg::Vec4ub );
99 
100 
101 // ----------------------------------------------------------------------------
102 
103 
104 #define OSG_COLOR_TRAITS( VecType, N ) \
105  template <> struct vector_traits< VecType > { \
106  typedef VecType vector_type; \
107  typedef vector_type::ValueType value_type; \
108  typedef GenProg::Int2Type< N > typed_size; \
109  \
110  static const size_t size_ = N; \
111  static size_t size() { return size_; } \
112  }
113 
114 
116 OSG_COLOR_TRAITS( osg::Color3ub, 3 );
118 OSG_COLOR_TRAITS( osg::Color4ub, 4 );
120 OSG_COLOR_TRAITS( osg::Color3f, 3 );
122 OSG_COLOR_TRAITS( osg::Color4f, 4 );
123 
124 #undef OSG_VECTOR_TRAITS
125 
126 
127 // ----------------------------------------
128 #if 1
129 #define PNT2VEC_CASTER( DST, SRC ) \
130  template <> struct vector_caster< DST, SRC > { \
131  typedef DST dst_t; \
132  typedef SRC src_t; \
133  typedef const dst_t& return_type; \
134  inline static return_type cast( const src_t& _src ) {\
135  return _src.subZero(); \
136  } \
137  }
138 
140 PNT2VEC_CASTER( osg::Vec3f, osg::Pnt3f );
141 
143 PNT2VEC_CASTER( osg::Vec4f, osg::Pnt4f );
144 
146 PNT2VEC_CASTER( osg::Vec3d, osg::Pnt3d );
147 
149 PNT2VEC_CASTER( osg::Vec4d, osg::Pnt4d );
150 
151 #undef PNT2VEC
152 #else
153 
154  template <>
155  struct vector_caster< osg::Vec3f, osg::Pnt3f >
156  {
157  typedef osg::Vec3f dst_t;
158  typedef osg::Pnt3f src_t;
159 
160  typedef const dst_t& return_type;
161  inline static return_type cast( const src_t& _src )
162  {
163  std::cout << "casting Pnt3f to Vec3f\n";
164  return _src.subZero();
165  }
166  };
167 
168 #endif
169 // ----------------------------------------
170 
172 inline
174 osg::Vec3f::ValueType dot( const osg::Vec3f &_v1, const osg::Vec3f &_v2 )
175 { return _v1.dot(_v2); }
176 
177 
178 inline
179 osg::Vec3f::ValueType dot( const osg::Vec3f &_v1, const osg::Pnt3f &_v2 )
180 { return _v1.dot(_v2); }
181 
182 
183 inline
184 osg::Vec2f::ValueType dot( const osg::Vec2f &_v1, const osg::Vec2f &_v2 )
185 { return _v1.dot(_v2); }
186 
187 
188 inline
189 osg::Vec3f cross( const osg::Vec3f &_v1, const osg::Vec3f &_v2 )
190 { return _v1.cross(_v2); }
192 
193 //=============================================================================
194 } // namespace OpenMesh
195 //=============================================================================
196 #endif // OPENMESH_VECTORADAPTER_HH defined
197 //=============================================================================
198 
osg::Vec3f::ValueType dot(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.
Definition: VectorAdapter.hh:174
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:56
osg::Vec3f cross(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.
Definition: VectorAdapter.hh:189

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