///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
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/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Restrictions:
///             By making use of the Software for military purposes, you choose to make
///             a Bunny unhappy.
///
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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///
/// @ref gtx_color_space
/// @file glm/gtx/color_space.hpp
/// @date 2005-12-21 / 2011-06-07
/// @author Christophe Riccio
///
/// @see core (dependence)
///
/// @defgroup gtx_color_space GLM_GTX_color_space
/// @ingroup gtx
///
/// @brief Related to RGB to HSV conversions and operations.
///
/// <glm/gtx/color_space.hpp> need to be included to use these functionalities.
///////////////////////////////////////////////////////////////////////////////////

#pragma once

// Dependency:
#include "../glm.hpp"

#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
#       pragma message("GLM: GLM_GTX_color_space extension included")
#endif

namespace glm
{
        /// @addtogroup gtx_color_space
        /// @{

        /// Converts a color from HSV color space to its color in RGB color space.
        /// @see gtx_color_space
        template <typename T, precision P>
        GLM_FUNC_DECL tvec3<T, P> rgbColor(
                tvec3<T, P> const & hsvValue);

        /// Converts a color from RGB color space to its color in HSV color space.
        /// @see gtx_color_space
        template <typename T, precision P>
        GLM_FUNC_DECL tvec3<T, P> hsvColor(
                tvec3<T, P> const & rgbValue);
               
        /// Build a saturation matrix.
        /// @see gtx_color_space
        template <typename T>
        GLM_FUNC_DECL tmat4x4<T, defaultp> saturation(
                T const s);

        /// Modify the saturation of a color.
        /// @see gtx_color_space
        template <typename T, precision P>
        GLM_FUNC_DECL tvec3<T, P> saturation(
                T const s,
                tvec3<T, P> const & color);
               
        /// Modify the saturation of a color.
        /// @see gtx_color_space
        template <typename T, precision P>
        GLM_FUNC_DECL tvec4<T, P> saturation(
                T const s,
                tvec4<T, P> const & color);
               
        /// Compute color luminosity associating ratios (0.33, 0.59, 0.11) to RGB canals.
        /// @see gtx_color_space
        template <typename T, precision P>
        GLM_FUNC_DECL T luminosity(
                tvec3<T, P> const & color);

        /// @}
}//namespace glm

#include "color_space.inl"