Color.hpp

Go to the documentation of this file.

// This file is part of GranOO, a workbench for DEM simulation.
//
// Author(s)    : - Damien Andre       IRCER/UNILIM, Limoges France
//                  <damien.andre@unilim.fr>
//                - Jean-luc Charles   Arts et Metiers ParisTech, CNRS, I2M, Bordeaux France
//                  <jean-luc.charles@ensam.eu>
//                - Jeremie Girardot   Arts et Metiers ParisTech, CNRS, I2M, Bordeaux France
//                  <jeremie.girardot@ensam.eu>
//                - Cedric Hubert      LAMIH/UPHF, Valenciennes France
//                  <cedric.hubert@uphf.fr>
//                - Ivan Iordanoff     Arts et Metiers ParisTech, CNRS, I2M, Bordeaux France
//                  <ivan.iordanoff@ensam.eu>
//
// Copyright (C) 2008-2019 D. Andre, JL. Charles, J. Girardot, C. Hubert, I. Iordanoff
//
// 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 3 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
#ifndef _libCore_Color_hpp_
#define _libCore_Color_hpp_
 
#include <iosfwd>
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
 
 
namespace GranOO3
{
  namespace Core
  {
 
    class Color
    {
    public:
      Color();
      Color(float r, float g, float b);
      Color(float r, float g, float b, float a);
 
      ~Color();
 
      void set_color(float r, float g, float b, float a);
      void set_color(float r, float g, float b);
 
      float get_red()   const;
      float get_blue()  const;
      float get_green() const;
      float get_alpha() const;
 
      void set_red(float val);
      void set_blue(float val);
      void set_green(float val);
      void set_alpha(float val);
 
      bool is_transparent() const;
 
      std::ostream& to_povray (std::ostream& out) const;
 
    private:
      friend class boost::serialization::access;
      template<class Archive> void serialize(Archive& ar, const unsigned int );
 
    private:
      float _red, _green, _blue, _alpha;
    };
 
    std::ostream& operator<< (std::ostream& os, const Color& color);
 
    inline
    Color::Color()
      : _red(0.), _green(0.), _blue(0.), _alpha(1.) {
    }
 
    inline
    Color::Color(float r, float g, float b)
      : _red(r), _green(g), _blue(b), _alpha(1.) {
    }
 
    inline
    Color::Color(float r, float g, float b, float a)
      : _red(r), _green(g), _blue(b), _alpha(a) {
    }
 
    inline
    Color::~Color() {
    }
 
    inline void
    Color::set_color(float r, float g, float b, float a) {
      _red = r;
      _green = g;
      _blue = b;
      _alpha = a;
    }
 
    inline void
    Color::set_color(float r, float g, float b) {
      _red = r;
      _green = g;
      _blue = b;
    }
 
    inline bool
    Color::is_transparent() const {
      return (_alpha < 1.);
    }
 
    inline float
    Color::get_red() const {
      return _red;
    }
 
    inline float
    Color::get_blue() const {
      return _blue;
    }
 
    inline float
    Color::get_green() const {
      return _green;
    }
 
    inline float
    Color::get_alpha() const {
      return _alpha;
    }
 
 
    inline void
    Color::set_blue(float val) {
      _blue = val;
    }
 
    inline void
    Color::set_red(float val) {
      _red = val;
    }
 
    inline void
    Color::set_green(float val) {
      _green = val;
    }
 
    inline void
    Color::set_alpha(float val) {
      _alpha = val;
    }
 
 
    template<class Archive> void
    Color::serialize(Archive& ar, const unsigned int) {
      ar & _red   ;
      ar & _green ;
      ar & _blue  ;
      ar & _alpha ;
    }
 
  }
}
 
#endif