OSGHelpers.h

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// Copyright (c) 2012-2019 University of Lyon and CNRS (France).
// All rights reserved.
//
// This file is part of MEPP2; 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 3 of the License, 
// or (at your option) any later version.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#pragma once
 
#include <osg/Vec3>
#include <osg/Vec4>
#include <osg/Group>
#include <osg/Geode>
#include <osg/Geometry>
#include <osg/Material>
 
#include "Base/Color.hpp"
#include "Visualization/BaseViewer.h"
 
#include <boost/graph/graph_traits.hpp>
#include <boost/graph/properties.hpp>
#include "FEVV/Wrappings/Geometry_traits.h"
 
namespace FEVV {
 
namespace Helpers {
 
//static unsigned int nbMeshDrawed = 0;
 
osg::Vec4
ColorConverter(const Color &_color);
 
template<
    typename HalfedgeGraph,
    typename Vector = typename FEVV::Geometry_traits< HalfedgeGraph >::Vector >
osg::Vec4
VectorColorConverter(const Vector &_color)
{
  osg::Vec4 color((float)_color[0], (float)_color[1], (float)_color[2], 1.0f);
 
  return color;
}
 
template<
    typename HalfedgeGraph,
    typename Vector = typename FEVV::Geometry_traits< HalfedgeGraph >::Vector >
osg::Vec3
VectorConverter(const Vector &_vector)
{
  osg::Vec3 vec(_vector[0], _vector[1], _vector[2]);
 
  return vec;
}
 
inline osg::Vec4
ColorConverter(const Color &_color)
{
  osg::Vec4 color((float)_color.red() / 255.0f,
                  (float)_color.green() / 255.0f,
                  (float)_color.blue() / 255.0f,
                  (float)_color.alpha() / 255.0f);
 
  return color;
}
 
} // namespace Helpers
 
} // namespace FEVV