color.hpp

Go to the documentation of this file.

/*
    RenderStack  Support library for OpenGL 3+
    Copyright (C) 2010  Timo Suoranta

    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; either
    version 2.1 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
    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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef COLOR_HPP
#define COLOR_HPP

#include "renderstack/rs.h"
#include "renderstack/vec3.hpp"

namespace renderstack {

class color
{
public:
    color(float r_, float g_, float b_)
    :   r(r_)
    ,   g(g_)
    ,   b(b_)
    {
    }

    color(vec3 const &v)
    :   r(v.x)
    ,   g(v.y)
    ,   b(v.y)
    {
    }

    float   max_component() const;
    float   min_component() const;
    vec3    hsv() const;

public:
    float r;
    float g;
    float b;
};

color make_color_from_hsv(vec3 const &hsv);

float srgb_to_linear  (float cs);
float linear_to_srgb  (float cl);

}

#endif