ColorControl/MHC2Gen/Primaries.cs

using LittleCms;
using MathNet.Numerics;

namespace MHC2Gen
{
	public class CIExy
	{
		public double x { get; set; }
		public double y { get; set; }

		public CIExy() { }

		public CIExy(CIExy source)
		{
			x = source.x;
			y = source.y;
		}

		public CIEXYZ ToXYZ(double Y = 1.0)
		{
			return new() { X = x * Y / y, Y = Y, Z = (1 - x - y) * Y / y };
		}

		public CIExy ToRounded()
		{
			return new CIExy { x = x.Round(15), y = y.Round(15) };
		}
	}
	public class RgbPrimaries
	{
		public CIExy Red { get; }
		public CIExy Green { get; }
		public CIExy Blue { get; }
		public CIExy White { get; }

		public RgbPrimaries(RgbPrimaries primaries)
		{
			Red = new CIExy(primaries.Red);
			Green = new CIExy(primaries.Green);
			Blue = new CIExy(primaries.Blue);
			White = new CIExy(primaries.White);

		}
		public RgbPrimaries(CIExy red, CIExy green, CIExy blue, CIExy white)
		{
			Red = red.ToRounded();
			Green = green.ToRounded();
			Blue = blue.ToRounded();
			White = white.ToRounded();
		}

		public static RgbPrimaries sRGB { get; } = new RgbPrimaries(new() { x = 0.64, y = 0.33 }, new() { x = 0.30, y = 0.60 }, new() { x = 0.15, y = 0.06 }, new() { x = 0.3127, y = 0.3290 });
		public static RgbPrimaries AdobeRGB { get; } = new RgbPrimaries(new() { x = 0.64, y = 0.33 }, new() { x = 0.21, y = 0.71 }, new() { x = 0.15, y = 0.06 }, new() { x = 0.3127, y = 0.3290 });
		public static RgbPrimaries P3D65 { get; } = new RgbPrimaries(new() { x = 0.68, y = 0.32 }, new() { x = 0.265, y = 0.690 }, new() { x = 0.15, y = 0.06 }, new() { x = 0.3127, y = 0.3290 });
		public static RgbPrimaries Rec2020 { get; } = new RgbPrimaries(new() { x = 0.708, y = 0.292 }, new() { x = 0.170, y = 0.797 }, new() { x = 0.131, y = 0.046 }, new() { x = 0.3127, y = 0.3290 });

	}
}