color.h

// © Joseph Cameron - MIT License
 
#ifndef GDK_GRAPHICS_COLOR_H
#define GDK_GRAPHICS_COLOR_H
 
#include <iosfwd>
 
namespace gdk::graphics {
    struct color final {
        using channel_type = float;
 
        channel_type r = 0, g = 0, b = 0, a = 1;

        void clamp(); 

        void operator+=(const color &aOther);
        
        [[nodiscard]] constexpr bool operator==(const color &aOther) const = default;

        color(const color &) = default;
        color& operator=(const color &acolor) = default;
        
        color(color &&) = default;
        color& operator=(color &&acolor) = default;

        color() = default;

        constexpr color(const channel_type aR,
            const channel_type aG,
            const channel_type aB,
            const channel_type aA = 1)
        : r(aR), g(aG), b(aB), a(aA)
        {}

    //
        static const color black;
        static const color white;
        static const color red;
        static const color green;
        static const color dark_green;
        static const color blue;
        static const color deathly_pink;
static const color cornflower_blue;
    };
        
    std::ostream &operator<<(std::ostream &stream, const color &acolor);
 
    inline const color color::black{0.0f, 0.0f, 0.0f, 1.0f};
    inline const color color::white{1.0f, 1.0f, 1.0f, 1.0f};
    inline const color color::red{1.0f, 0.0f, 0.0f, 1.0f};
    inline const color color::green{0.0f, 1.0f, 0.0f, 1.0f};
    inline const color color::dark_green{0.0f, 0.6f, 0.0f, 1.0f};
    inline const color color::blue{0.0f, 0.0f, 1.0f, 1.0f};
    inline const color color::deathly_pink{1.0f, 0.2f, 0.8f, 1.0f};
    inline const color color::cornflower_blue{
        0.3921568627450980392156862745098f,
        0.58431372549019607843137254901961f,
        0.92941176470588235294117647058824f,
        1.0f
    };
}
 
#endif