recrownedgtk/RecrownedGTK/Types/Extensions.cs

using System;
using OpenTK.Graphics;
using OpenTK;
namespace RecrownedGTK.Types {
    public static class Color4Extensions {
        public static byte GetRedAsByte(this Color4 color) {
            return (byte) (color.R * Byte.MaxValue);
        }
        public static byte GetGreenAsByte(this Color4 color) {
            return (byte) (color.G * Byte.MaxValue);
        }
        public static byte GetBlueAsByte(this Color4 color) {
            return (byte) (color.B * Byte.MaxValue);
        }
        public static byte GetAlphaAsByte(this Color4 color) {
            return (byte) (color.A * Byte.MaxValue);
        }
        public static void MultiplyByFloat(this Color4 color, float val) {
            color.A *= val;
            color.R *= val;
            color.G *= val;
            color.B *= val;
        }
        public static Color4 ReturnMultipliedByFloat(this Color4 color, float val) {
            Color4 output = new Color4(color.R * val, color.G * val, color.B * val, color.A * val);
            return output;
        }
    }

    public static class Vector4Extensions {
        public static void FromNonPremultiplied(ref Vector4 vector) {
            //Premultiplied.
            vector = new Vector4(vector.W * vector.X, vector.W * vector.Y, vector.W * vector.Z, vector.W);
        }

    }
}