Files
openmesh/Tools/Kernel_OSG/VectorAdapter.hh
Jan Möbius 97f515985d First checkin for OpenMesh 2.0
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@2 fdac6126-5c0c-442c-9429-916003d36597
2009-02-06 13:37:46 +00:00

183 lines
6.2 KiB
C++

/*===========================================================================*\
* *
* OpenMesh *
* Copyright (C) 2001-2003 by Computer Graphics Group, RWTH Aachen *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* *
* License *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, version 2.1. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
\*===========================================================================*/
// ----------------------------------------------------------------------------
#ifndef OPENMESH_KERNEL_OSG_VECTORADAPTER_HH
#define OPENMESH_KERNEL_OSG_VECTORADAPTER_HH
//== INCLUDES =================================================================
#include <OpenSG/OSGGeometry.h>
#include <OpenMesh/Core/Utils/vector_cast.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
//== CLASS DEFINITION =========================================================
// ----------------------------------------------------------------- class ----
#define OSG_VECTOR_TRAITS( VecType ) \
template <> struct vector_traits< VecType > { \
typedef VecType vector_type; \
typedef vector_type::ValueType value_type; \
typedef GenProg::Int2Type< vector_type::_iSize > typed_size; \
\
static const size_t size_ = vector_type::_iSize; \
static size_t size() { return size_; } \
}
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Pnt4f );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Pnt3f );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Pnt2f );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Vec4f );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Vec3f );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Vec2f );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Pnt4d );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Pnt3d );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Pnt2d );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Vec4d );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Vec3d );
/// Vector traits for OpenSG vector type
OSG_VECTOR_TRAITS( osg::Vec4ub );
// ----------------------------------------------------------------------------
#define OSG_COLOR_TRAITS( VecType, N ) \
template <> struct vector_traits< VecType > { \
typedef VecType vector_type; \
typedef vector_type::ValueType value_type; \
typedef GenProg::Int2Type< N > typed_size; \
\
static const size_t size_ = N; \
static size_t size() { return size_; } \
}
/// Vector traits for OpenSG color type
OSG_COLOR_TRAITS( osg::Color3ub, 3 );
/// Vector traits for OpenSG color type
OSG_COLOR_TRAITS( osg::Color4ub, 4 );
/// Vector traits for OpenSG color type
OSG_COLOR_TRAITS( osg::Color3f, 3 );
/// Vector traits for OpenSG color type
OSG_COLOR_TRAITS( osg::Color4f, 4 );
#undef OSG_VECTOR_TRAITS
// ----------------------------------------
#if 1
#define PNT2VEC_CASTER( DST, SRC ) \
template <> struct vector_caster< DST, SRC > { \
typedef DST dst_t; \
typedef SRC src_t; \
typedef const dst_t& return_type; \
inline static return_type cast( const src_t& _src ) {\
return _src.subZero(); \
} \
}
/// convert Pnt3f to Vec3f
PNT2VEC_CASTER( osg::Vec3f, osg::Pnt3f );
/// convert Pnt4f to Vec4f
PNT2VEC_CASTER( osg::Vec4f, osg::Pnt4f );
/// convert Pnt3d to Vec3d
PNT2VEC_CASTER( osg::Vec3d, osg::Pnt3d );
/// convert Pnt4d to Vec4d
PNT2VEC_CASTER( osg::Vec4d, osg::Pnt4d );
#undef PNT2VEC
#else
template <>
struct vector_caster< osg::Vec3f, osg::Pnt3f >
{
typedef osg::Vec3f dst_t;
typedef osg::Pnt3f src_t;
typedef const dst_t& return_type;
inline static return_type cast( const src_t& _src )
{
std::cout << "casting Pnt3f to Vec3f\n";
return _src.subZero();
}
};
#endif
// ----------------------------------------
//@{
/// Adapter for osg vector member computing a scalar product
inline
osg::Vec3f::ValueType dot( const osg::Vec3f &_v1, const osg::Vec3f &_v2 )
{ return _v1.dot(_v2); }
inline
osg::Vec3f::ValueType dot( const osg::Vec3f &_v1, const osg::Pnt3f &_v2 )
{ return _v1.dot(_v2); }
inline
osg::Vec2f::ValueType dot( const osg::Vec2f &_v1, const osg::Vec2f &_v2 )
{ return _v1.dot(_v2); }
inline
osg::Vec3f cross( const osg::Vec3f &_v1, const osg::Vec3f &_v2 )
{ return _v1.cross(_v2); }
//@}
//=============================================================================
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_VECTORADAPTER_HH defined
//=============================================================================