108 lines
3.9 KiB
C++
108 lines
3.9 KiB
C++
/***************************************************************************
|
|
* Copyright (c) 2019 Werner Mayer <wmayer[at]users.sourceforge.net> *
|
|
* *
|
|
* This file is part of the FreeCAD CAx development system. *
|
|
* *
|
|
* This library is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU Library General Public *
|
|
* License as published by the Free Software Foundation; either *
|
|
* version 2 of the License, or (at your option) any later version. *
|
|
* *
|
|
* 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 Library General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU Library General Public *
|
|
* License along with this library; see the file COPYING.LIB. If not, *
|
|
* write to the Free Software Foundation, Inc., 51 Franklin Street, *
|
|
* Fifth Floor, Boston, MA 02110-1301, USA *
|
|
* *
|
|
***************************************************************************/
|
|
|
|
|
|
#ifndef BASE_CONVERTER_H
|
|
#define BASE_CONVERTER_H
|
|
|
|
#include "Vector3D.h"
|
|
#include "Rotation.h"
|
|
#include <tuple>
|
|
|
|
namespace Base {
|
|
|
|
template <class vecT>
|
|
struct vec_traits { };
|
|
|
|
template <>
|
|
struct vec_traits<Vector3f> {
|
|
typedef Vector3f vec_type;
|
|
typedef float float_type;
|
|
vec_traits(const vec_type& v) : v(v){}
|
|
inline std::tuple<float_type,float_type,float_type> get() const {
|
|
return std::make_tuple(v.x, v.y, v.z);
|
|
}
|
|
private:
|
|
const vec_type& v;
|
|
};
|
|
|
|
template <>
|
|
struct vec_traits<Vector3d> {
|
|
typedef Vector3d vec_type;
|
|
typedef double float_type;
|
|
vec_traits(const vec_type& v) : v(v){}
|
|
inline std::tuple<float_type,float_type,float_type> get() const {
|
|
return std::make_tuple(v.x, v.y, v.z);
|
|
}
|
|
private:
|
|
const vec_type& v;
|
|
};
|
|
|
|
template <>
|
|
struct vec_traits<Rotation> {
|
|
typedef Rotation vec_type;
|
|
typedef double float_type;
|
|
vec_traits(const vec_type& v) : v(v){}
|
|
inline std::tuple<float_type,float_type,float_type,float_type> get() const {
|
|
float_type q1,q2,q3,q4;
|
|
v.getValue(q1,q2,q3,q4);
|
|
return std::make_tuple(q1, q2, q3, q4);
|
|
}
|
|
private:
|
|
const vec_type& v;
|
|
};
|
|
|
|
// type with three floats
|
|
template <class _Vec, typename float_type>
|
|
_Vec make_vec(const std::tuple<float_type, float_type, float_type>&& t) {
|
|
typedef vec_traits<_Vec> traits_type;
|
|
typedef typename traits_type::float_type float_traits_type;
|
|
return _Vec(float_traits_type(std::get<0>(t)),
|
|
float_traits_type(std::get<1>(t)),
|
|
float_traits_type(std::get<2>(t)));
|
|
}
|
|
|
|
// type with four floats
|
|
template <class _Vec, typename float_type>
|
|
_Vec make_vec(const std::tuple<float_type, float_type, float_type, float_type>&& t) {
|
|
typedef vec_traits<_Vec> traits_type;
|
|
typedef typename traits_type::float_type float_traits_type;
|
|
return _Vec(float_traits_type(std::get<0>(t)),
|
|
float_traits_type(std::get<1>(t)),
|
|
float_traits_type(std::get<2>(t)),
|
|
float_traits_type(std::get<3>(t)));
|
|
}
|
|
|
|
template <class _Vec1, class _Vec2>
|
|
inline _Vec1 convertTo(const _Vec2& v)
|
|
{
|
|
typedef vec_traits<_Vec2> traits_type;
|
|
typedef typename traits_type::float_type float_type;
|
|
traits_type t(v);
|
|
auto tuple = t.get();
|
|
return make_vec<_Vec1, float_type>(std::move(tuple));
|
|
}
|
|
|
|
}
|
|
|
|
#endif // BASE_CONVERTER_H
|