vcglib: utils.h Source File

00001 /****************************************************************************
00002 * VCGLib                                                            o o     *
00003 * Visual and Computer Graphics Library                            o     o   *
00004 *                                                                _   O  _   *
00005 * Copyright(C) 2004                                                \/)\/    *
00006 * Visual Computing Lab                                            /\/|      *
00007 * ISTI - Italian National Research Council                           |      *
00008 *                                                                    \      *
00009 * All rights reserved.                                                      *
00010 *                                                                           *
00011 * This program is free software; you can redistribute it and/or modify      *   
00012 * it under the terms of the GNU General Public License as published by      *
00013 * the Free Software Foundation; either version 2 of the License, or         *
00014 * (at your option) any later version.                                       *
00015 *                                                                           *
00016 * This program is distributed in the hope that it will be useful,           *
00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
00019 * GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
00020 * for more details.                                                         *
00021 *                                                                           *
00022 ****************************************************************************/
00023 
00024 /****************************************************************************
00025 History
00026 
00027 $Log: not supported by cvs2svn $
00028 Revision 1.3  2005/11/12 18:10:35  cignoni
00029 Removed Abs and LowClampToZero and added comments
00030 
00031 Revision 1.2  2005/09/29 22:22:59  m_di_benedetto
00032 Added classes GetBox3Functor and GetBarycenter3Functor.
00033 
00034 Revision 1.1  2005/09/28 20:01:35  m_di_benedetto
00035 First Commit.
00036 
00037 
00038 ****************************************************************************/
00039 
00040 #ifndef __VCGLIB_WRAPUTILS_H
00041 #define __VCGLIB_WRAPUTILS_H
00042 
00043 // vcg headers
00044 #include <vcg/math/base.h>
00045 #include <vcg/space/point3.h>
00046 #include <vcg/space/box3.h>
00047 
00048 namespace vcg {
00049 
00050 class EmptyClass {
00051 public:
00052         typedef EmptyClass ClassType;
00053 };
00054 
00055 class GetPointerFunctor {
00056 public:
00057         typedef GetPointerFunctor ClassType;
00058 
00059         template <class T>
00060         inline T * operator () (T & t) {
00061                 return (&t);
00062         }
00063 
00064         template <class T>
00065         inline T * operator () (T * & t) {
00066                 return (t);
00067         }
00068 };
00071 
00072 class GetBox3Functor {
00073 public:
00074         template <class OBJTYPE, class SCALARTYPE>
00075         void operator () (const OBJTYPE & obj, Box3<SCALARTYPE> & box) {
00076                 Box3<typename OBJTYPE::ScalarType> tb;
00077                 obj.GetBBox(tb);
00078                 box.Import(tb);
00079         }
00080 };
00081 
00082 class GetBarycenter3Functor {
00083 public:
00084         template <class OBJTYPE, class SCALARTYPE>
00085         void operator () (const OBJTYPE & obj, Point3<SCALARTYPE> & bar) {
00086                 bar.Import(Barycenter<OBJTYPE>(obj));
00087         }
00088 };
00089 
00090 } // end namespace vcg
00091 
00092 #endif // #ifndef __VCGLIB_WRAPUTILS_H