HSV.hpp

[詳解]

//
//    HSV色空間 前方定義
//
//    Copyright (c) 2022 udonrobo
//
 
#pragma once
 
#include <Udon/Traits/EnumerableMacro.hpp>
#include <Udon/Serializer/Serializer.hpp>
 
namespace Udon
{
 
    struct RGB;
 

    struct HSV
    {

        using ValueType = uint8_t;

        ValueType h;

        ValueType s;

        ValueType v;

        constexpr HSV() noexcept
            : h()
            , s()
            , v()
        {
        }

        constexpr HSV(ValueType h, ValueType s, ValueType v) noexcept
            : h(h)
            , s(s)
            , v(v)
        {
        }

        HSV(uint32_t hsv) noexcept
            : h(static_cast<ValueType>(hsv >> 16))
            , s(static_cast<ValueType>(hsv >> 8))
            , v(static_cast<ValueType>(hsv >> 0))
        {
        }

        HSV(const RGB& rgb) noexcept;

        HSV(const HSV&) = default;

        HSV& operator=(const HSV&) = default;

        friend constexpr bool operator==(const HSV& lhs, const HSV& rhs) noexcept
        {
            return lhs.h == rhs.h && lhs.s == rhs.s && lhs.v == rhs.v;
        }

        friend constexpr bool operator!=(const HSV& lhs, const HSV& rhs) noexcept
        {
            return not(lhs == rhs);
        }
 
        explicit constexpr operator bool() const noexcept
        {
            return h or s or v;
        }

        uint32_t to24bit() const noexcept
        {
            return static_cast<uint32_t>(h) << 16 | static_cast<uint32_t>(s) << 8 | static_cast<uint32_t>(v) << 0;
        }

        RGB toRGB() const noexcept;
 
#ifdef ARDUINO
        void show() const
        {
            Serial.print(F("h: ")), Serial.print(h), Serial.print('\t');
            Serial.print(F("s: ")), Serial.print(s), Serial.print('\t');
            Serial.print(F("v: ")), Serial.print(v), Serial.print('\t');
        }
#endif
 
        UDON_ENUMERABLE(h, s, v);
    };
 
}    // namespace Udon