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vector_cast.hh
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42/*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $Date$ *
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47\*===========================================================================*/
48
49
50//=============================================================================
51//
52// Helper Functions for binary reading / writing
53//
54//=============================================================================
55
56
57#ifndef OPENMESH_VECTORCAST_HH
58#define OPENMESH_VECTORCAST_HH
59
60
61//== INCLUDES =================================================================
62
63
64#include <OpenMesh/Core/System/config.h>
65#include <OpenMesh/Core/Utils/vector_traits.hh>
66#include <OpenMesh/Core/Utils/GenProg.hh>
67#include <OpenMesh/Core/Geometry/VectorT.hh>
68
69
70//== NAMESPACES ===============================================================
71
72
73namespace OpenMesh {
74
75
76//=============================================================================
77
78
82
83//-----------------------------------------------------------------------------
84
85template <typename src_t, typename dst_t, int n>
86inline void vector_cast( const src_t &_src, dst_t &_dst, GenProg::Int2Type<n> )
87{
89 vector_cast(_src,_dst, GenProg::Int2Type<n-1>());
90 _dst[n-1] = static_cast<typename vector_traits<dst_t>::value_type >(_src[n-1]);
91}
92
93template <typename src_t, typename dst_t>
94inline void vector_cast( const src_t & /*_src*/, dst_t & /*_dst*/, GenProg::Int2Type<0> )
95{
96}
97
98
99template <typename src_t, typename dst_t, int n>
100inline void vector_copy( const src_t &_src, dst_t &_dst, GenProg::Int2Type<n> )
101{
103 vector_copy(_src,_dst, GenProg::Int2Type<n-1>());
104 _dst[n-1] = _src[n-1];
105}
106
107template <typename src_t, typename dst_t>
108inline void vector_copy( const src_t & /*_src*/, dst_t & /*_dst*/ , GenProg::Int2Type<0> )
109{
110}
111
112
113
114//-----------------------------------------------------------------------------
115#ifndef DOXY_IGNORE_THIS
116
117template <typename dst_t, typename src_t>
118struct vector_caster
119{
120 typedef dst_t return_type;
121
122 inline static return_type cast(const src_t& _src)
123 {
124 dst_t dst;
125 vector_cast(_src, dst, GenProg::Int2Type<vector_traits<dst_t>::size_>());
126 return dst;
127 }
128};
129
130#if !defined(OM_CC_MSVC)
131template <typename dst_t>
132struct vector_caster<dst_t,dst_t>
133{
134 typedef const dst_t& return_type;
135
136 inline static return_type cast(const dst_t& _src)
137 {
138 return _src;
139 }
140};
141#endif
142
143#endif
144//-----------------------------------------------------------------------------
145
146
148template <typename dst_t, typename src_t>
149inline
150typename vector_caster<dst_t, src_t>::return_type
151vector_cast(const src_t& _src )
152{
153 return vector_caster<dst_t, src_t>::cast(_src);
154}
155
156
158
159
160//=============================================================================
161} // namespace OpenMesh
162//=============================================================================
163#endif // OPENMESH_MESHREADER_HH defined
164//=============================================================================
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:64
void vector_cast(const src_t &_src, dst_t &_dst, GenProg::Int2Type< n >)
Cast vector type to another vector type by copying the vector elements.
Definition vector_cast.hh:86
void vector_copy(const src_t &_src, dst_t &_dst, GenProg::Int2Type< n >)
Cast vector type to another vector type by copying the vector elements.
Definition vector_cast.hh:100
T::value_type value_type
Type of the scalar value.
Definition vector_traits.hh:99
static const size_t size_
size/dimension of the vector
Definition vector_traits.hh:102

Project OpenMesh, ©  Computer Graphics Group, RWTH Aachen. Documentation generated using doxygen .