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VectorAdapter.hh
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
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5 * Department of Computer Graphics and Multimedia *
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7 * www.openmesh.org *
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40 * ========================================================================= */
41
42 /*===========================================================================*\
43 * *
44 * $Revision: 1258 $ *
45 * $Date: 2015-04-28 15:07:46 +0200 (Di, 28 Apr 2015) $ *
46 * *
47 \*===========================================================================*/
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
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::cross
osg::Vec3f cross(const osg::Vec3f &_v1, const osg::Vec3f &_v2)
Adapter for osg vector member computing a scalar product.
Definition: VectorAdapter.hh:196
OpenMesh::dot
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