diff --git a/src/ImageSharp/Colors/PackedPixel/NormalizedByte2.cs b/src/ImageSharp/Colors/PackedPixel/NormalizedByte2.cs
new file mode 100644
index 0000000000..a05f98e459
--- /dev/null
+++ b/src/ImageSharp/Colors/PackedPixel/NormalizedByte2.cs
@@ -0,0 +1,187 @@
+//
+// Copyright (c) James Jackson-South and contributors.
+// Licensed under the Apache License, Version 2.0.
+//
+
+namespace ImageSharp
+{
+ using System;
+ using System.Numerics;
+
+ ///
+ /// Packed packed pixel type containing two 8-bit signed normalized values, ranging from −1 to 1.
+ ///
+ public struct NormalizedByte2 : IPackedPixel, IEquatable
+ {
+ ///
+ /// The maximum byte value.
+ ///
+ private static readonly Vector4 MaxBytes = new Vector4(255);
+
+ ///
+ /// The half vector value.
+ ///
+ private static readonly Vector4 Half = new Vector4(0.5F);
+
+ ///
+ /// Initializes a new instance of the struct.
+ ///
+ /// The vector containing the component values.
+ public NormalizedByte2(Vector2 vector)
+ {
+ this.PackedValue = Pack(vector.X, vector.Y);
+ }
+
+ ///
+ /// Initializes a new instance of the struct.
+ ///
+ /// The x-component.
+ /// The y-component.
+ public NormalizedByte2(float x, float y)
+ {
+ this.PackedValue = Pack(x, y);
+ }
+
+ ///
+ public ushort PackedValue { get; set; }
+
+ ///
+ /// Compares two objects for equality.
+ ///
+ ///
+ /// The on the left side of the operand.
+ ///
+ ///
+ /// The on the right side of the operand.
+ ///
+ ///
+ /// True if the parameter is equal to the parameter; otherwise, false.
+ ///
+ public static bool operator ==(NormalizedByte2 left, NormalizedByte2 right)
+ {
+ return left.PackedValue == right.PackedValue;
+ }
+
+ ///
+ /// Compares two objects for equality.
+ ///
+ ///
+ /// The on the left side of the operand.
+ ///
+ ///
+ /// The on the right side of the operand.
+ ///
+ ///
+ /// True if the parameter is not equal to the parameter; otherwise, false.
+ ///
+ public static bool operator !=(NormalizedByte2 left, NormalizedByte2 right)
+ {
+ return left.PackedValue != right.PackedValue;
+ }
+
+ ///
+ /// Expands the packed representation into a .
+ /// The vector components are typically expanded in least to greatest significance order.
+ ///
+ /// The .
+ public Vector2 ToVector2()
+ {
+ return new Vector2(
+ ((sbyte)((this.PackedValue >> 0) & 0xFF)) / 127F,
+ ((sbyte)((this.PackedValue >> 8) & 0xFF)) / 127F);
+ }
+
+ ///
+ public void PackFromVector4(Vector4 vector)
+ {
+ this.PackedValue = Pack(vector.X, vector.Y);
+ }
+
+ ///
+ public Vector4 ToVector4()
+ {
+ return new Vector4(this.ToVector2(), 0F, 1F);
+ }
+
+ ///
+ public void PackFromBytes(byte x, byte y, byte z, byte w)
+ {
+ this.PackFromVector4(new Vector4(x, y, z, w) / MaxBytes);
+ }
+
+ ///
+ public void ToBytes(byte[] bytes, int startIndex, ComponentOrder componentOrder)
+ {
+ Vector4 vector = this.ToVector4();
+ vector *= MaxBytes;
+ vector += Half;
+ vector = Vector4.Clamp(vector, Vector4.Zero, MaxBytes);
+
+ switch (componentOrder)
+ {
+ case ComponentOrder.ZYX:
+ bytes[startIndex] = (byte)vector.Z;
+ bytes[startIndex + 1] = (byte)vector.Y;
+ bytes[startIndex + 2] = (byte)vector.X;
+ break;
+ case ComponentOrder.ZYXW:
+ bytes[startIndex] = (byte)vector.Z;
+ bytes[startIndex + 1] = (byte)vector.Y;
+ bytes[startIndex + 2] = (byte)vector.X;
+ bytes[startIndex + 3] = (byte)vector.W;
+ break;
+ case ComponentOrder.XYZ:
+ bytes[startIndex] = (byte)vector.X;
+ bytes[startIndex + 1] = (byte)vector.Y;
+ bytes[startIndex + 2] = (byte)vector.Z;
+ break;
+ case ComponentOrder.XYZW:
+ bytes[startIndex] = (byte)vector.X;
+ bytes[startIndex + 1] = (byte)vector.Y;
+ bytes[startIndex + 2] = (byte)vector.Z;
+ bytes[startIndex + 3] = (byte)vector.W;
+ break;
+ default:
+ throw new NotSupportedException();
+ }
+ }
+
+ ///
+ public override bool Equals(object obj)
+ {
+ return (obj is NormalizedByte2) && this.Equals((NormalizedByte2)obj);
+ }
+
+ ///
+ public bool Equals(NormalizedByte2 other)
+ {
+ return this.PackedValue == other.PackedValue;
+ }
+
+ ///
+ public override int GetHashCode()
+ {
+ return this.PackedValue.GetHashCode();
+ }
+
+ ///
+ public override string ToString()
+ {
+ return this.PackedValue.ToString("X");
+ }
+
+ ///
+ /// Packs the components into a .
+ ///
+ /// The x-component
+ /// The y-component
+ /// The containing the packed values.
+ private static ushort Pack(float x, float y)
+ {
+ int byte2 = (((ushort)Math.Round(x.Clamp(-1F, 1F) * 127F)) & 0xFF) << 0;
+ int byte1 = (((ushort)Math.Round(y.Clamp(-1F, 1F) * 127F)) & 0xFF) << 8;
+
+ return (ushort)(byte2 | byte1);
+ }
+ }
+}
\ No newline at end of file
diff --git a/tests/ImageSharp.Tests/Colors/PackedPixelTests.cs b/tests/ImageSharp.Tests/Colors/PackedPixelTests.cs
index cadc8deda7..5e9ba9be45 100644
--- a/tests/ImageSharp.Tests/Colors/PackedPixelTests.cs
+++ b/tests/ImageSharp.Tests/Colors/PackedPixelTests.cs
@@ -368,6 +368,48 @@ namespace ImageSharp.Tests.Colors
Assert.Equal(bgra, new byte[] { 191, 128, 64, 255 });
}
+ [Fact]
+ public void NormalizedByte2()
+ {
+ // Test PackedValue
+ Assert.Equal(0x0, new NormalizedByte2(Vector2.Zero).PackedValue);
+ Assert.Equal(0x7F7F, new NormalizedByte2(Vector2.One).PackedValue);
+ Assert.Equal(0x8181, new NormalizedByte2(-Vector2.One).PackedValue);
+
+ // Test ToVector2
+ Assert.True(Equal(Vector2.One, new NormalizedByte2(Vector2.One).ToVector2()));
+ Assert.True(Equal(Vector2.Zero, new NormalizedByte2(Vector2.Zero).ToVector2()));
+ Assert.True(Equal(-Vector2.One, new NormalizedByte2(-Vector2.One).ToVector2()));
+ Assert.True(Equal(Vector2.One, new NormalizedByte2(Vector2.One * 1234.0f).ToVector2()));
+ Assert.True(Equal(-Vector2.One, new NormalizedByte2(Vector2.One * -1234.0f).ToVector2()));
+
+ // Test ToVector2
+ Assert.True(Equal(new Vector4(1, 1, 0, 1), new NormalizedByte2(Vector2.One).ToVector4()));
+ Assert.True(Equal(new Vector4(0, 0, 0, 1), new NormalizedByte2(Vector2.Zero).ToVector4()));
+
+ // Test Ordering
+ float x = 0.1f;
+ float y = -0.3f;
+ Assert.Equal(0xda0d, new NormalizedByte2(x, y).PackedValue);
+
+ byte[] rgb = new byte[3];
+ byte[] rgba = new byte[4];
+ byte[] bgr = new byte[3];
+ byte[] bgra = new byte[4];
+
+ new NormalizedByte2(x, y).ToBytes(rgb, 0, ComponentOrder.XYZ);
+ Assert.Equal(rgb, new byte[] { 26, 0, 0 });
+
+ new NormalizedByte2(x, y).ToBytes(rgba, 0, ComponentOrder.XYZW);
+ Assert.Equal(rgba, new byte[] { 26, 0, 0, 255 });
+
+ new NormalizedByte2(x, y).ToBytes(bgr, 0, ComponentOrder.ZYX);
+ Assert.Equal(bgr, new byte[] { 0, 0, 26 });
+
+ new NormalizedByte2(x, y).ToBytes(bgra, 0, ComponentOrder.ZYXW);
+ Assert.Equal(bgra, new byte[] { 0, 0, 26, 255 });
+ }
+
// Comparison helpers with small tolerance to allow for floating point rounding during computations.
public static bool Equal(float a, float b)
{
diff --git a/tests/ImageSharp.Tests/Formats/GeneralFormatTests.cs b/tests/ImageSharp.Tests/Formats/GeneralFormatTests.cs
index 641f30bfe9..8da086e17b 100644
--- a/tests/ImageSharp.Tests/Formats/GeneralFormatTests.cs
+++ b/tests/ImageSharp.Tests/Formats/GeneralFormatTests.cs
@@ -59,6 +59,7 @@ namespace ImageSharp.Tests
// Image image = file.CreateImage().To();
// Image image = file.CreateImage().To();
// Image image = file.CreateImage().To();
+ // Image image = file.CreateImage().To();
using (FileStream output = File.OpenWrite($"{path}/{file.FileName}"))
{