OpenMesh

- Main Page
- Related Pages
- Modules
- Namespaces
- Classes
- Files

- File List
- File Members

All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
color_cast.hh
1 /*===========================================================================*\
2 * *
3 * OpenMesh *
4 * Copyright (C) 2001-2012 by Computer Graphics Group, RWTH Aachen *
5 * www.openmesh.org *
6 * *
7 *---------------------------------------------------------------------------*
8 * This file is part of OpenMesh. *
9 * *
10 * OpenMesh is free software: you can redistribute it and/or modify *
11 * it under the terms of the GNU Lesser General Public License as *
12 * published by the Free Software Foundation, either version 3 of *
13 * the License, or (at your option) any later version with the *
14 * following exceptions: *
15 * *
16 * If other files instantiate templates or use macros *
17 * or inline functions from this file, or you compile this file and *
18 * link it with other files to produce an executable, this file does *
19 * not by itself cause the resulting executable to be covered by the *
20 * GNU Lesser General Public License. This exception does not however *
21 * invalidate any other reasons why the executable file might be *
22 * covered by the GNU Lesser General Public License. *
23 * *
24 * OpenMesh is distributed in the hope that it will be useful, *
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
27 * GNU Lesser General Public License for more details. *
28 * *
29 * You should have received a copy of the GNU LesserGeneral Public *
30 * License along with OpenMesh. If not, *
31 * see <http://www.gnu.org/licenses/>. *
32 * *
33 \*===========================================================================*/
34
35 /*===========================================================================*\
36 * *
37 * $Revision: 736 $ *
38 * $Date: 2012-10-08 09:30:49 +0200 (Mo, 08 Okt 2012) $ *
39 * *
40 \*===========================================================================*/
41
42 #ifndef OPENMESH_KERNEL_OSG_COLOR_CAST_HH
43 #define OPENMESH_KERNEL_OSG_COLOR_CAST_HH
44
45 #include <algorithm>
46 #include <OpenMesh/Core/Utils/color_cast.hh>
47 #include <OpenSG/OSGGeometry.h>
48
49 namespace OpenMesh {
50
53 template <>
54 struct color_caster<osg::Color3ub,osg::Color3f>
55 {
56 typedef osg::Color3ub return_type;
57 typedef unsigned char ub;
58
59 inline static return_type cast(const osg::Color3f& _src)
60 {
61 return return_type( (ub)std::min((_src[0]* 255.0f + 0.5f),255.0f),
62 (ub)std::min((_src[1]* 255.0f + 0.5f),255.0f),
63 (ub)std::min((_src[2]* 255.0f + 0.5f),255.0f) );
64 }
65 };
66
69 template <>
70 struct color_caster<osg::Color3f,osg::Color3ub>
71 {
72 typedef osg::Color3f return_type;
73
74 inline static return_type cast(const osg::Color3ub& _src)
75 {
76 return return_type( (float)(_src[0] / 255.0f ),
77 (float)(_src[1] / 255.0f ),
78 (float)(_src[2] / 255.0f ) );
79 }
80 };
81
82 } // namespace OpenMesh
83
84 #endif // OPENMESH_KERNEL_OSG_COLOR_CAST_HH