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color_cast.hh
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48 
49 #ifndef OPENMESH_KERNEL_OSG_COLOR_CAST_HH
50 #define OPENMESH_KERNEL_OSG_COLOR_CAST_HH
51 
52 #include <algorithm>
53 #include <OpenMesh/Core/Utils/color_cast.hh>
54 #include <OpenSG/OSGGeometry.h>
55 
56 namespace OpenMesh {
57 
60 template <>
61 struct color_caster<osg::Color3ub,osg::Color3f>
62 {
63  typedef osg::Color3ub return_type;
64  typedef unsigned char ub;
65 
66  inline static return_type cast(const osg::Color3f& _src)
67  {
68  return return_type( (ub)std::min((_src[0]* 255.0f + 0.5f),255.0f),
69  (ub)std::min((_src[1]* 255.0f + 0.5f),255.0f),
70  (ub)std::min((_src[2]* 255.0f + 0.5f),255.0f) );
71  }
72 };
73 
76 template <>
77 struct color_caster<osg::Color3f,osg::Color3ub>
78 {
79  typedef osg::Color3f return_type;
80 
81  inline static return_type cast(const osg::Color3ub& _src)
82  {
83  return return_type( (float)(_src[0] / 255.0f ),
84  (float)(_src[1] / 255.0f ),
85  (float)(_src[2] / 255.0f ) );
86  }
87 };
88 
89 } // namespace OpenMesh
90 
91 #endif // OPENMESH_KERNEL_OSG_COLOR_CAST_HH