vcglib/wrap/utils.h

93 lines
3.2 KiB
C++

/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004-2016 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
$Log: not supported by cvs2svn $
Revision 1.3 2005/11/12 18:10:35 cignoni
Removed Abs and LowClampToZero and added comments
Revision 1.2 2005/09/29 22:22:59 m_di_benedetto
Added classes GetBox3Functor and GetBarycenter3Functor.
Revision 1.1 2005/09/28 20:01:35 m_di_benedetto
First Commit.
****************************************************************************/
#ifndef __VCGLIB_WRAPUTILS_H
#define __VCGLIB_WRAPUTILS_H
// vcg headers
#include <vcg/math/base.h>
#include <vcg/space/point3.h>
#include <vcg/space/box3.h>
namespace vcg {
class EmptyClass {
public:
typedef EmptyClass ClassType;
};
class GetPointerFunctor {
public:
typedef GetPointerFunctor ClassType;
template <class T>
inline T * operator () (T & t) {
return (&t);
}
template <class T>
inline T * operator () (T * & t) {
return (t);
}
};
/// Helper class used to build in a easy way a functor that gives the bbox of a face
/// used mainly in the aabbtree that require such a functor as a parameter
class GetBox3Functor {
public:
template <class OBJTYPE, class SCALARTYPE>
void operator () (const OBJTYPE & obj, Box3<SCALARTYPE> & box) {
Box3<typename OBJTYPE::ScalarType> tb;
obj.GetBBox(tb);
box.Import(tb);
}
};
class GetBarycenter3Functor {
public:
template <class OBJTYPE, class SCALARTYPE>
void operator () (const OBJTYPE & obj, Point3<SCALARTYPE> & bar) {
bar.Import(Barycenter<OBJTYPE>(obj));
}
};
} // end namespace vcg
#endif // #ifndef __VCGLIB_WRAPUTILS_H