boost.ui/color_8hpp_source.html

// Copyright (c) 2017 Kolya Kosenko


// Distributed under the Boost Software License, Version 1.0.

// See http://www.boost.org/LICENSE_1_0.txt


#ifndef BOOST_UI_COLOR_HPP

#define BOOST_UI_COLOR_HPP


#include <boost/ui/config.hpp>


#ifdef BOOST_HAS_PRAGMA_ONCE

#pragma once

#endif


#include <boost/cstdint.hpp>


namespace boost {

namespace ui    {


class BOOST_UI_DECL color

{

public:

    color() BOOST_NOEXCEPT : m_red(0), m_green(0), m_blue(0), m_alpha(0) {}


    typedef boost::uint_least8_t channel255_type;


    static color rgba255(channel255_type red, channel255_type green,

                         channel255_type blue, channel255_type alpha);


    static color rgb255(channel255_type red, channel255_type green, channel255_type blue)

        { return rgba255(red, green, blue, 255); }


    channel255_type   red255() const BOOST_NOEXCEPT { return m_red;   }

    channel255_type green255() const BOOST_NOEXCEPT { return m_green; }

    channel255_type  blue255() const BOOST_NOEXCEPT { return m_blue;  }

    channel255_type alpha255() const BOOST_NOEXCEPT { return m_alpha; }


    typedef double channel1_type;


    static color rgba1(channel1_type red, channel1_type green,

                       channel1_type blue, channel1_type alpha);


    static color rgb1(channel1_type red, channel1_type green, channel1_type blue)

        { return rgba1(red, green, blue, 1); }


    channel1_type   red1() const BOOST_NOEXCEPT { return static_cast<channel1_type>(m_red)   / 255; }

    channel1_type green1() const BOOST_NOEXCEPT { return static_cast<channel1_type>(m_green) / 255; }

    channel1_type  blue1() const BOOST_NOEXCEPT { return static_cast<channel1_type>(m_blue)  / 255; }

    channel1_type alpha1() const BOOST_NOEXCEPT { return static_cast<channel1_type>(m_alpha) / 255; }


    static const color alice_blue;

    static const color antique_white;

    static const color aqua;

    static const color aquamarine;

    static const color azure;

    static const color beige;

    static const color bisque;

    static const color black;

    static const color blanched_almond;

    static const color blue;

    static const color blue_violet;

    static const color brown;

    static const color burly_wood;

    static const color cadet_blue;

    static const color chartreuse;

    static const color chocolate;

    static const color coral;

    static const color cornflower_blue;

    static const color cornsilk;

    static const color crimson;

    static const color cyan;

    static const color dark_blue;

    static const color dark_cyan;

    static const color dark_goldenrod;

    static const color dark_gray;

    static const color dark_green;

    static const color dark_grey;

    static const color dark_khaki;

    static const color dark_magenta;

    static const color dark_olive_green;

    static const color dark_orange;

    static const color dark_orchid;

    static const color dark_red;

    static const color dark_salmon;

    static const color dark_sea_green;

    static const color dark_slate_blue;

    static const color dark_slate_gray;

    static const color dark_slate_grey;

    static const color dark_turquoise;

    static const color dark_violet;

    static const color deep_pink;

    static const color deep_sky_blue;

    static const color dim_gray;

    static const color dim_grey;

    static const color dodger_blue;

    static const color firebrick;

    static const color floral_white;

    static const color forest_green;

    static const color fuchsia;

    static const color gainsboro;

    static const color ghost_white;

    static const color gold;

    static const color goldenrod;

    static const color gray;

    static const color green;

    static const color green_yellow;

    static const color grey;

    static const color honeydew;

    static const color hot_pink;

    static const color indian_red;

    static const color indigo;

    static const color ivory;

    static const color khaki;

    static const color lavender;

    static const color lavender_blush;

    static const color lawn_green;

    static const color lemon_chiffon;

    static const color light_blue;

    static const color light_coral;

    static const color light_cyan;

    static const color light_goldenrod_yellow;

    static const color light_gray;

    static const color light_green;

    static const color light_grey;

    static const color light_pink;

    static const color light_salmon;

    static const color light_sea_green;

    static const color light_sky_blue;

    static const color light_slate_gray;

    static const color light_slate_grey;

    static const color light_steel_blue;

    static const color light_yellow;

    static const color lime;

    static const color lime_green;

    static const color linen;

    static const color magenta;

    static const color maroon;

    static const color medium_aquamarine;

    static const color medium_blue;

    static const color medium_orchid;

    static const color medium_purple;

    static const color medium_sea_green;

    static const color medium_slate_blue;

    static const color medium_spring_green;

    static const color medium_turquoise;

    static const color medium_violet_red;

    static const color midnight_blue;

    static const color mint_cream;

    static const color misty_rose;

    static const color moccasin;

    static const color navajo_white;

    static const color navy;

    static const color old_lace;

    static const color olive;

    static const color olive_drab;

    static const color orange;

    static const color orange_red;

    static const color orchid;

    static const color pale_goldenrod;

    static const color pale_green;

    static const color pale_turquoise;

    static const color pale_violet_red;

    static const color papaya_whip;

    static const color peach_puff;

    static const color peru;

    static const color pink;

    static const color plum;

    static const color powder_blue;

    static const color purple;

    static const color red;

    static const color rosy_brown;

    static const color royal_blue;

    static const color saddle_brown;

    static const color salmon;

    static const color sandy_brown;

    static const color sea_green;

    static const color sea_shell;

    static const color sienna;

    static const color silver;

    static const color sky_blue;

    static const color slate_blue;

    static const color slate_gray;

    static const color slate_grey;

    static const color snow;

    static const color spring_green;

    static const color steel_blue;

    static const color tan;

    static const color teal;

    static const color thistle;

    static const color tomato;

    static const color turquoise;

    static const color violet;

    static const color wheat;

    static const color white;

    static const color white_smoke;

    static const color yellow;

    static const color yellow_green;


private:

    channel255_type m_red;

    channel255_type m_green;

    channel255_type m_blue;

    channel255_type m_alpha;

};


inline bool operator==(const color& lhs, const color& rhs) BOOST_NOEXCEPT

{

    return lhs.red255()  == rhs.red255()  && lhs.green255() == rhs.green255() &&

           lhs.blue255() == rhs.blue255() && lhs.alpha255() == rhs.alpha255();

}

inline bool operator!=(const color& lhs, const color& rhs) BOOST_NOEXCEPT

    { return !operator==(lhs, rhs); }


} // namespace ui

} // namespace boost


#endif // BOOST_UI_COLOR_HPP