Developer Documentation
color_cast.hh
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41 
42 
43 
44 #ifndef OPENMESH_KERNEL_OSG_COLOR_CAST_HH
45 #define OPENMESH_KERNEL_OSG_COLOR_CAST_HH
46 
47 #include <algorithm>
48 #include <OpenMesh/Core/Utils/color_cast.hh>
49 #include <OpenSG/OSGGeometry.h>
50 
51 namespace OpenMesh {
52 
55 template <>
56 struct color_caster<osg::Color3ub,osg::Color3f>
57 {
58  typedef osg::Color3ub return_type;
59  typedef unsigned char ub;
60 
61  inline static return_type cast(const osg::Color3f& _src)
62  {
63  return return_type( (ub)std::min((_src[0]* 255.0f + 0.5f),255.0f),
64  (ub)std::min((_src[1]* 255.0f + 0.5f),255.0f),
65  (ub)std::min((_src[2]* 255.0f + 0.5f),255.0f) );
66  }
67 };
68 
71 template <>
72 struct color_caster<osg::Color3f,osg::Color3ub>
73 {
74  typedef osg::Color3f return_type;
75 
76  inline static return_type cast(const osg::Color3ub& _src)
77  {
78  return return_type( (float)(_src[0] / 255.0f ),
79  (float)(_src[1] / 255.0f ),
80  (float)(_src[2] / 255.0f ) );
81  }
82 };
83 
84 } // namespace OpenMesh
85 
86 #endif // OPENMESH_KERNEL_OSG_COLOR_CAST_HH