OpenMesh
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00001 /*===========================================================================*\ 00002 * * 00003 * OpenMesh * 00004 * Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen * 00005 * www.openmesh.org * 00006 * * 00007 *---------------------------------------------------------------------------* 00008 * This file is part of OpenMesh. * 00009 * * 00010 * OpenMesh is free software: you can redistribute it and/or modify * 00011 * it under the terms of the GNU Lesser General Public License as * 00012 * published by the Free Software Foundation, either version 3 of * 00013 * the License, or (at your option) any later version with the * 00014 * following exceptions: * 00015 * * 00016 * If other files instantiate templates or use macros * 00017 * or inline functions from this file, or you compile this file and * 00018 * link it with other files to produce an executable, this file does * 00019 * not by itself cause the resulting executable to be covered by the * 00020 * GNU Lesser General Public License. This exception does not however * 00021 * invalidate any other reasons why the executable file might be * 00022 * covered by the GNU Lesser General Public License. * 00023 * * 00024 * OpenMesh is distributed in the hope that it will be useful, * 00025 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00026 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00027 * GNU Lesser General Public License for more details. * 00028 * * 00029 * You should have received a copy of the GNU LesserGeneral Public * 00030 * License along with OpenMesh. If not, * 00031 * see <http://www.gnu.org/licenses/>. * 00032 * * 00033 \*===========================================================================*/ 00034 00035 /*===========================================================================*\ 00036 * * 00037 * $Revision: 362 $ * 00038 * $Date: 2011-01-26 10:21:12 +0100 (Mi, 26 Jan 2011) $ * 00039 * * 00040 \*===========================================================================*/ 00041 00042 #ifndef OPENMESH_KERNEL_OSG_COLOR_CAST_HH 00043 #define OPENMESH_KERNEL_OSG_COLOR_CAST_HH 00044 00045 #include <algorithm> 00046 #include <OpenMesh/Core/Utils/color_cast.hh> 00047 #include <OpenSG/OSGGeometry.h> 00048 00049 namespace OpenMesh { 00050 00053 template <> 00054 struct color_caster<osg::Color3ub,osg::Color3f> 00055 { 00056 typedef osg::Color3ub return_type; 00057 typedef unsigned char ub; 00058 00059 inline static return_type cast(const osg::Color3f& _src) 00060 { 00061 return return_type( (ub)std::min((_src[0]* 255.0f + 0.5f),255.0f), 00062 (ub)std::min((_src[1]* 255.0f + 0.5f),255.0f), 00063 (ub)std::min((_src[2]* 255.0f + 0.5f),255.0f) ); 00064 } 00065 }; 00066 00069 template <> 00070 struct color_caster<osg::Color3f,osg::Color3ub> 00071 { 00072 typedef osg::Color3f return_type; 00073 00074 inline static return_type cast(const osg::Color3ub& _src) 00075 { 00076 return return_type( (float)(_src[0] / 255.0f ), 00077 (float)(_src[1] / 255.0f ), 00078 (float)(_src[2] / 255.0f ) ); 00079 } 00080 }; 00081 00082 } // namespace OpenMesh 00083 00084 #endif // OPENMESH_KERNEL_OSG_COLOR_CAST_HH