MoltenMercury/ImageProcessing/ColorRGB.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;

namespace MoltenMercury
{
    public class ColorRGB
    {
        public byte R;
        public byte G;
        public byte B;
        public byte A;

        public ColorRGB()
        {
            R = 255;
            G = 255;
            B = 255;
            A = 255;
        }

        public ColorRGB(Color value)
        {
            this.R = value.R;
            this.G = value.G;
            this.B = value.B;
            this.A = value.A;
        }
        public static implicit operator Color(ColorRGB rgb)
        {
            Color c = Color.FromArgb(rgb.A, rgb.R, rgb.G, rgb.B);
            return c;
        }
        public static explicit operator ColorRGB(Color c)
        {
            return new ColorRGB(c);
        }


        // Given H,S,L in range of 0-1
        // Returns a Color (RGB struct) in range of 0-255
        public static ColorRGB FromHSL(double H, double S, double L)
        {
            return FromHSLA(H, S, L, 1.0);
        }

        // Given H,S,L,A in range of 0-1
        // Returns a Color (RGB struct) in range of 0-255
        public static ColorRGB FromHSLA(double H, double S, double L, double A)
        {
            double v;
            double r, g, b;
            if (A > 1.0)
                A = 1.0;

            r = L;   // default to gray
            g = L;
            b = L;