Merge pull request #12 from DarthAffe/HPPH

Changed everything image-related to use HPPH

StableDiffusion.NET/Backends/RocmBackend.cs

@@ -2,7 +2,6 @@
 using System.Runtime.InteropServices;
 using System.Text.RegularExpressions;
 using JetBrains.Annotations;
-using StableDiffusion.NET.Helper;
 
 namespace StableDiffusion.NET;
 

StableDiffusion.NET/Extensions/ImageExtension.cs

@@ -1,9 +0,0 @@
-using StableDiffusion.NET.Helper.Images;
-using StableDiffusion.NET.Helper.Images.Colors;
-
-namespace StableDiffusion.NET;
-
-public static class ImageExtension
-{
-    public static Image<ColorRGB> ToImage(this StableDiffusionImage image) => new(image.Data.ToArray(), 0, 0, image.Width, image.Height, image.Width);
-}

StableDiffusion.NET/Helper/ImageHelper.cs

@@ -0,0 +1,36 @@
+using HPPH;
+using System;
+using System.Runtime.InteropServices;
+
+namespace StableDiffusion.NET;
+
+internal static class ImageHelper
+{
+    public static unsafe Image<ColorRGB> ToImage(Native.sd_image_t* sdImage)
+    {
+        int width = (int)sdImage->width;
+        int height = (int)sdImage->height;
+        int bpp = (int)sdImage->channel;
+
+        Image<ColorRGB> image = Image<ColorRGB>.Create(new ReadOnlySpan<byte>(sdImage->data, width * height * bpp), width, height, width * bpp);
+
+        Dispose(sdImage);
+
+        return image;
+    }
+
+    public static unsafe void Dispose(Native.sd_image_t* image)
+    {
+        Marshal.FreeHGlobal((nint)image->data);
+        Marshal.FreeHGlobal((nint)image);
+    }
+
+    public static unsafe Native.sd_image_t ToSdImage(this IImage<ColorRGB> image, byte* pinnedReference)
+        => new()
+        {
+            width = (uint)image.Width,
+            height = (uint)image.Height,
+            channel = (uint)image.ColorFormat.BytesPerPixel,
+            data = pinnedReference
+        };
+}

StableDiffusion.NET/Helper/Images/Colors/ColorABGR.cs

@@ -1,66 +0,0 @@
-// ReSharper disable ConvertToAutoProperty
-
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace StableDiffusion.NET.Helper.Images.Colors;
-
-/// <summary>
-/// Represents a color in 32 bit ABGR-format.
-/// </summary>
-[DebuggerDisplay("[A: {A}, R: {R}, G: {G}, B: {B}]")]
-[StructLayout(LayoutKind.Sequential)]
-public readonly struct ColorABGR : IColor
-{
-    #region Properties & Fields
-
-    /// <inheritdoc />
-    public static ColorFormat ColorFormat => ColorFormat.ABGR;
-    
-    private readonly byte _a;
-    private readonly byte _b;
-    private readonly byte _g;
-    private readonly byte _r;
-
-    // ReSharper disable ConvertToAutoPropertyWhenPossible
-    /// <inheritdoc />
-    public byte A => _a;
-
-    /// <inheritdoc />
-    public byte B => _b;
-
-    /// <inheritdoc />
-    public byte G => _g;
-
-    /// <inheritdoc />
-    public byte R => _r;
-    // ReSharper restore ConvertToAutoPropertyWhenPossible
-
-    #endregion
-
-    #region Constructors
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ColorABGR"/> class.
-    /// </summary>
-    /// <param name="a">The alpha-component of the color.</param>
-    /// <param name="b">The blue-component of the color.</param>
-    /// <param name="g">The green-component of the color.</param>
-    /// <param name="r">The red-component of the color.</param>
-    public ColorABGR(byte a, byte b, byte g, byte r)
-    {
-        this._a = a;
-        this._b = b;
-        this._g = g;
-        this._r = r;
-    }
-
-    #endregion
-
-    #region Methods
-
-    /// <inheritdoc />
-    public override string ToString() => $"[A: {_a}, R: {_r}, G: {_g}, B: {_b}]";
-
-    #endregion
-}

StableDiffusion.NET/Helper/Images/Colors/ColorARGB.cs

@@ -1,66 +0,0 @@
-// ReSharper disable ConvertToAutoProperty
-
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace StableDiffusion.NET.Helper.Images.Colors;
-
-/// <summary>
-/// Represents a color in 32 bit ARGB-format.
-/// </summary>
-[DebuggerDisplay("[A: {A}, R: {R}, G: {G}, B: {B}]")]
-[StructLayout(LayoutKind.Sequential)]
-public readonly struct ColorARGB : IColor
-{
-    #region Properties & Fields
-    
-    /// <inheritdoc />
-    public static ColorFormat ColorFormat => ColorFormat.ARGB;
-    
-    private readonly byte _a;
-    private readonly byte _r;
-    private readonly byte _g;
-    private readonly byte _b;
-
-    // ReSharper disable ConvertToAutoPropertyWhenPossible
-    /// <inheritdoc />
-    public byte A => _a;
-
-    /// <inheritdoc />
-    public byte R => _r;
-
-    /// <inheritdoc />
-    public byte G => _g;
-
-    /// <inheritdoc />
-    public byte B => _b;
-    // ReSharper restore ConvertToAutoPropertyWhenPossible
-
-    #endregion
-
-    #region Constructors
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ColorARGB"/> class.
-    /// </summary>
-    /// <param name="a">The alpha-component of the color.</param>
-    /// <param name="r">The red-component of the color.</param>
-    /// <param name="g">The green-component of the color.</param>
-    /// <param name="b">The blue-component of the color.</param>
-    public ColorARGB(byte a, byte r, byte g, byte b)
-    {
-        this._a = a;
-        this._r = r;
-        this._g = g;
-        this._b = b;
-    }
-
-    #endregion
-
-    #region Methods
-
-    /// <inheritdoc />
-    public override string ToString() => $"[A: {_a}, R: {_r}, G: {_g}, B: {_b}]";
-
-    #endregion
-}

StableDiffusion.NET/Helper/Images/Colors/ColorBGR.cs

@@ -1,63 +0,0 @@
-// ReSharper disable ConvertToAutoProperty
-
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace StableDiffusion.NET.Helper.Images.Colors;
-
-/// <summary>
-/// Represents a color in 24 bit BGR-format.
-/// </summary>
-[DebuggerDisplay("[A: {A}, R: {R}, G: {G}, B: {B}]")]
-[StructLayout(LayoutKind.Sequential)]
-public readonly struct ColorBGR : IColor
-{
-    #region Properties & Fields
-    
-    /// <inheritdoc />
-    public static ColorFormat ColorFormat => ColorFormat.BGR;
-    
-    private readonly byte _b;
-    private readonly byte _g;
-    private readonly byte _r;
-
-    // ReSharper disable ConvertToAutoPropertyWhenPossible
-    /// <inheritdoc />
-    public byte A => byte.MaxValue;
-
-    /// <inheritdoc />
-    public byte B => _b;
-
-    /// <inheritdoc />
-    public byte G => _g;
-
-    /// <inheritdoc />
-    public byte R => _r;
-    // ReSharper restore ConvertToAutoPropertyWhenPossible
-
-    #endregion
-
-    #region Constructors
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ColorBGR"/> class.
-    /// </summary>
-    /// <param name="b">The blue-component of the color.</param>
-    /// <param name="g">The green-component of the color.</param>
-    /// <param name="r">The red-component of the color.</param>
-    public ColorBGR(byte b, byte g, byte r)
-    {
-        this._b = b;
-        this._g = g;
-        this._r = r;
-    }
-
-    #endregion
-
-    #region Methods
-
-    /// <inheritdoc />
-    public override string ToString() => $"[A: {A}, R: {_r}, G: {_g}, B: {_b}]";
-
-    #endregion
-}

StableDiffusion.NET/Helper/Images/Colors/ColorBGRA.cs

@@ -1,66 +0,0 @@
-// ReSharper disable ConvertToAutoProperty
-
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace StableDiffusion.NET.Helper.Images.Colors;
-
-/// <summary>
-/// Represents a color in 32 bit BGRA-format.
-/// </summary>
-[DebuggerDisplay("[A: {A}, R: {R}, G: {G}, B: {B}]")]
-[StructLayout(LayoutKind.Sequential)]
-public readonly struct ColorBGRA : IColor
-{
-    #region Properties & Fields
-    
-    /// <inheritdoc />
-    public static ColorFormat ColorFormat => ColorFormat.BGRA;
-    
-    private readonly byte _b;
-    private readonly byte _g;
-    private readonly byte _r;
-    private readonly byte _a;
-
-    // ReSharper disable ConvertToAutoPropertyWhenPossible
-    /// <inheritdoc />
-    public byte B => _b;
-
-    /// <inheritdoc />
-    public byte G => _g;
-
-    /// <inheritdoc />
-    public byte R => _r;
-
-    /// <inheritdoc />
-    public byte A => _a;
-    // ReSharper restore ConvertToAutoPropertyWhenPossible
-
-#endregion
-
-    #region Constructors
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ColorBGRA"/> class.
-    /// </summary>
-    /// <param name="b">The blue-component of the color.</param>
-    /// <param name="g">The green-component of the color.</param>
-    /// <param name="r">The red-component of the color.</param>
-    /// <param name="a">The alpha-component of the color.</param>
-    public ColorBGRA(byte b, byte g, byte r, byte a)
-    {
-        this._b = b;
-        this._g = g;
-        this._r = r;
-        this._a = a;
-    }
-
-    #endregion
-
-    #region Methods
-
-    /// <inheritdoc />
-    public override string ToString() => $"[A: {_a}, R: {_r}, G: {_g}, B: {_b}]";
-
-    #endregion
-}

StableDiffusion.NET/Helper/Images/Colors/ColorFormat.cs

@@ -1,58 +0,0 @@
-namespace StableDiffusion.NET.Helper.Images.Colors;
-
-/// <summary>
-/// Represents a color format.
-/// </summary>
-public readonly struct ColorFormat
-{
-    #region Instances
-
-    public static readonly ColorFormat BGRA = new(1, 4);
-    public static readonly ColorFormat ABGR = new(2, 4);
-    public static readonly ColorFormat RGBA = new(3, 4);
-    public static readonly ColorFormat ARGB = new(4, 4);
-    public static readonly ColorFormat BGR = new(5, 3);
-    public static readonly ColorFormat RGB = new(6, 3);
-
-    #endregion
-
-    #region Properties & Fields
-
-    /// <summary>
-    /// Gets the Id of the color-format.
-    /// </summary>
-    public readonly int Id;
-
-    /// <summary>
-    /// Gets the Bytes per pixel for this color-format.
-    /// </summary>
-    public readonly int BytesPerPixel;
-
-    #endregion
-
-    #region Constructors
-
-    private ColorFormat(int id, int bytesPerPixel)
-    {
-        this.Id = id;
-        this.BytesPerPixel = bytesPerPixel;
-    }
-
-    #endregion
-
-    #region Methods
-
-    public bool Equals(ColorFormat other) => Id == other.Id;
-    public override bool Equals(object? obj) => obj is ColorFormat other && Equals(other);
-
-    public override int GetHashCode() => Id;
-
-    #endregion
-
-    #region Operators
-
-    public static bool operator ==(ColorFormat left, ColorFormat right) => left.Equals(right);
-    public static bool operator !=(ColorFormat left, ColorFormat right) => !(left == right);
-
-    #endregion
-}

StableDiffusion.NET/Helper/Images/Colors/ColorRGB.cs

@@ -1,63 +0,0 @@
-// ReSharper disable ConvertToAutoProperty
-
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace StableDiffusion.NET.Helper.Images.Colors;
-
-/// <summary>
-/// Represents a color in 24 bit RGB-format.
-/// </summary>
-[DebuggerDisplay("[A: {A}, R: {R}, G: {G}, B: {B}]")]
-[StructLayout(LayoutKind.Sequential)]
-public readonly struct ColorRGB : IColor
-{
-    #region Properties & Fields
-    
-    /// <inheritdoc />
-    public static ColorFormat ColorFormat => ColorFormat.RGB;
-    
-    private readonly byte _r;
-    private readonly byte _g;
-    private readonly byte _b;
-
-    // ReSharper disable ConvertToAutoPropertyWhenPossible
-    /// <inheritdoc />
-    public byte A => byte.MaxValue;
-
-    /// <inheritdoc />
-    public byte R => _r;
-
-    /// <inheritdoc />
-    public byte G => _g;
-
-    /// <inheritdoc />
-    public byte B => _b;
-    // ReSharper restore ConvertToAutoPropertyWhenPossible
-
-    #endregion
-
-    #region Constructors
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ColorRGB"/> class.
-    /// </summary>
-    /// <param name="r">The red-component of the color.</param>
-    /// <param name="g">The green-component of the color.</param>
-    /// <param name="b">The blue-component of the color.</param>
-    public ColorRGB(byte r, byte g, byte b)
-    {
-        this._r = r;
-        this._g = g;
-        this._b = b;
-    }
-
-    #endregion
-
-    #region Methods
-
-    /// <inheritdoc />
-    public override string ToString() => $"[A: {A}, R: {_r}, G: {_g}, B: {_b}]";
-
-    #endregion
-}

StableDiffusion.NET/Helper/Images/Colors/ColorRGBA.cs

@@ -1,66 +0,0 @@
-// ReSharper disable ConvertToAutoProperty
-
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace StableDiffusion.NET.Helper.Images.Colors;
-
-/// <summary>
-/// Represents a color in 32 bit RGBA-format.
-/// </summary>
-[DebuggerDisplay("[A: {A}, R: {R}, G: {G}, B: {B}]")]
-[StructLayout(LayoutKind.Sequential)]
-public readonly struct ColorRGBA : IColor
-{
-    #region Properties & Fields
-
-    /// <inheritdoc />
-    public static ColorFormat ColorFormat => ColorFormat.RGBA;
-    
-    private readonly byte _r;
-    private readonly byte _g;
-    private readonly byte _b;
-    private readonly byte _a;
-
-    // ReSharper disable ConvertToAutoPropertyWhenPossible
-    /// <inheritdoc />
-    public byte R => _r;
-
-    /// <inheritdoc />
-    public byte G => _g;
-
-    /// <inheritdoc />
-    public byte B => _b;
-
-    /// <inheritdoc />
-    public byte A => _a;
-    // ReSharper restore ConvertToAutoPropertyWhenPossible
-
-    #endregion
-
-    #region Constructors
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ColorRGBA"/> class.
-    /// </summary>
-    /// <param name="r">The red-component of the color.</param>
-    /// <param name="g">The green-component of the color.</param>
-    /// <param name="b">The blue-component of the color.</param>
-    /// <param name="a">The alpha-component of the color.</param>
-    public ColorRGBA(byte r, byte g, byte b, byte a)
-    {
-        this._r = r;
-        this._g = g;
-        this._b = b;
-        this._a = a;
-    }
-
-    #endregion
-
-    #region Methods
-
-    /// <inheritdoc />
-    public override string ToString() => $"[A: {_a}, R: {_r}, G: {_g}, B: {_b}]";
-
-    #endregion
-}

StableDiffusion.NET/Helper/Images/Colors/IColor.cs

@@ -1,34 +0,0 @@
-using System;
-
-namespace StableDiffusion.NET.Helper.Images.Colors;
-
-/// <summary>
-/// Represents a generic color made of 4 bytes (alpha, red, green and blue)
-/// </summary>
-public interface IColor
-{
-    /// <summary>
-    /// Gets the red-component of this color.
-    /// </summary>
-    byte R { get; }
-
-    /// <summary>
-    /// Gets the green-component of this color.
-    /// </summary>
-    byte G { get; }
-
-    /// <summary>
-    /// Gets the blue-component of this color.
-    /// </summary>
-    byte B { get; }
-
-    /// <summary>
-    /// Gets the alpha-component of this color.
-    /// </summary>
-    byte A { get; }
-
-    /// <summary>
-    /// Gets the color-format of this color.
-    /// </summary>
-    public static virtual ColorFormat ColorFormat => throw new NotSupportedException();
-}

StableDiffusion.NET/Helper/Images/IImage.cs

@@ -1,193 +0,0 @@
-using System;
-using System.Collections.Generic;
-using StableDiffusion.NET.Helper.Images.Colors;
-
-namespace StableDiffusion.NET.Helper.Images;
-
-/// <summary>
-/// Represents a image.
-/// </summary>
-public interface IImage : IEnumerable<IColor>
-{
-    /// <summary>
-    /// Gets the color format used in this image.
-    /// </summary>
-    ColorFormat ColorFormat { get; }
-
-    /// <summary>
-    /// Gets the width of this image.
-    /// </summary>
-    int Width { get; }
-
-    /// <summary>
-    /// Gets the height of this image.
-    /// </summary>
-    int Height { get; }
-
-    /// <summary>
-    /// Gets the size in bytes of this image.
-    /// </summary>
-    int SizeInBytes { get; }
-
-    /// <summary>
-    /// Gets the color at the specified location.
-    /// </summary>
-    /// <param name="x">The X-location to read.</param>
-    /// <param name="y">The Y-location to read.</param>
-    /// <returns>The color at the specified location.</returns>
-    IColor this[int x, int y] { get; }
-
-    /// <summary>
-    /// Gets an image representing the specified location.
-    /// </summary>
-    /// <param name="x">The X-location of the image.</param>
-    /// <param name="y">The Y-location of the image.</param>
-    /// <param name="width">The width of the sub-image.</param>
-    /// <param name="height"></param>
-    /// <returns></returns>
-    IImage this[int x, int y, int width, int height] { get; }
-
-    /// <summary>
-    /// Gets a list of all rows of this image.
-    /// </summary>
-    IImageRows Rows { get; }
-
-    /// <summary>
-    /// Gets a list of all columns of this image.
-    /// </summary>
-    IImageColumns Columns { get; }
-
-    /// <summary>
-    /// Gets an <see cref="RefImage{TColor}"/> representing this <see cref="IImage"/>.
-    /// </summary>
-    /// <typeparam name="TColor">The color-type of the iamge.</typeparam>
-    /// <returns>The <inheritdoc cref="RefImage{TColor}"/>.</returns>
-    RefImage<TColor> AsRefImage<TColor>() where TColor : struct, IColor;
-
-    /// <summary>
-    /// Copies the contents of this <see cref="IImage"/> into a destination <see cref="Span{T}"/> instance.
-    /// </summary>
-    /// <param name="destination">The destination <see cref="Span{T}"/> instance.</param>
-    /// <exception cref="ArgumentException">
-    /// Thrown when <paramref name="destination"/> is shorter than the source <see cref="IImage"/> instance.
-    /// </exception>
-    void CopyTo(in Span<byte> destination);
-
-    /// <summary>
-    /// Allocates a new array and copies this <see cref="IImage"/> into it.
-    /// </summary>
-    /// <returns>The new array containing the data of this <see cref="IImage"/>.</returns>
-    byte[] ToArray();
-
-    /// <summary>
-    /// Represents a list of rows of an image.
-    /// </summary>
-    public interface IImageRows : IEnumerable<IImageRow>
-    {
-        /// <summary>
-        /// Gets the amount of rows in this list.
-        /// </summary>
-        int Count { get; }
-
-        /// <summary>
-        /// Gets a specific <see cref="IImageRow"/>.
-        /// </summary>
-        /// <param name="column">The ´row to get.</param>
-        /// <returns>The requested <see cref="IImageRow"/>.</returns>
-        IImageRow this[int column] { get; }
-    }
-
-    /// <summary>
-    /// Represents a list of columns of an image.
-    /// </summary>
-    public interface IImageColumns : IEnumerable<IImageColumn>
-    {
-        /// <summary>
-        /// Gets the amount of columns in this list.
-        /// </summary>
-        int Count { get; }
-
-        /// <summary>
-        /// Gets a specific <see cref="IImageColumn"/>.
-        /// </summary>
-        /// <param name="column">The column to get.</param>
-        /// <returns>The requested <see cref="IImageColumn"/>.</returns>
-        IImageColumn this[int column] { get; }
-    }
-
-    /// <summary>
-    /// Represents a single row of an image.
-    /// </summary>
-    public interface IImageRow : IEnumerable<IColor>
-    {
-        /// <summary>
-        /// Gets the length of the row.
-        /// </summary>
-        int Length { get; }
-
-        /// <summary>
-        /// Gets the size in bytes of this row.
-        /// </summary>
-        int SizeInBytes { get; }
-
-        /// <summary>
-        /// Gets the <see cref="IColor"/> at the specified location.
-        /// </summary>
-        /// <param name="x">The location to get the color from.</param>
-        /// <returns>The <see cref="IColor"/> at the specified location.</returns>
-        IColor this[int x] { get; }
-
-        /// <summary>
-        /// Copies the contents of this <see cref="IImageRow"/> into a destination <see cref="Span{T}"/> instance.
-        /// </summary>
-        /// <param name="destination">The destination <see cref="Span{T}"/> instance.</param>
-        /// <exception cref="ArgumentException">
-        /// Thrown when <paramref name="destination"/> is shorter than the source <see cref="IImageRow"/> instance.
-        /// </exception>
-        void CopyTo(in Span<byte> destination);
-
-        /// <summary>
-        /// Allocates a new array and copies this <see cref="IImageRow"/> into it.
-        /// </summary>
-        /// <returns>The new array containing the data of this <see cref="IImageRow"/>.</returns>
-        byte[] ToArray();
-    }
-
-    /// <summary>
-    /// Represents a single column of an image.
-    /// </summary>
-    public interface IImageColumn : IEnumerable<IColor>
-    {
-        /// <summary>
-        /// Gets the length of the column.
-        /// </summary>
-        int Length { get; }
-
-        /// <summary>
-        /// Gets the size in bytes of this column.
-        /// </summary>
-        int SizeInBytes { get; }
-
-        /// <summary>
-        /// Gets the <see cref="IColor"/> at the specified location.
-        /// </summary>
-        /// <param name="y">The location to get the color from.</param>
-        /// <returns>The <see cref="IColor"/> at the specified location.</returns>
-        IColor this[int y] { get; }
-
-        /// <summary>
-        /// Copies the contents of this <see cref="IImageColumn"/> into a destination <see cref="Span{T}"/> instance.
-        /// </summary>
-        /// <param name="destination">The destination <see cref="Span{T}"/> instance.</param>
-        /// <exception cref="ArgumentException">
-        /// Thrown when <paramref name="destination"/> is shorter than the source <see cref="IImageColumn"/> instance.
-        /// </exception>
-        void CopyTo(in Span<byte> destination);
-
-        /// <summary>
-        /// Allocates a new array and copies this <see cref="IImageColumn"/> into it.
-        /// </summary>
-        /// <returns>The new array containing the data of this <see cref="IImageColumn"/>.</returns>
-        byte[] ToArray();
-    }
-}

StableDiffusion.NET/Helper/Images/Image.cs

@@ -1,431 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-using StableDiffusion.NET.Helper.Images.Colors;
-
-namespace StableDiffusion.NET.Helper.Images;
-
-/// <inheritdoc />
-public sealed class Image<TColor> : IImage
-    where TColor : struct, IColor
-{
-    #region Properties & Fields
-
-    private readonly byte[] _buffer;
-
-    private readonly int _x;
-    private readonly int _y;
-    private readonly int _stride;
-
-    /// <inheritdoc />
-    public ColorFormat ColorFormat
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get => TColor.ColorFormat;
-    }
-
-    /// <inheritdoc />
-    public int Width { get; }
-
-    /// <inheritdoc />
-    public int Height { get; }
-
-    /// <inheritdoc />
-    public int SizeInBytes => Width * Height * ColorFormat.BytesPerPixel;
-
-    #endregion
-
-    #region Indexer
-
-    /// <inheritdoc />
-    public IColor this[int x, int y]
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get
-        {
-            if ((x < 0) || (y < 0) || (x >= Width) || (y >= Height)) throw new IndexOutOfRangeException();
-
-            return MemoryMarshal.Cast<byte, TColor>(_buffer)[((_y + y) * _stride) + (_x + x)];
-        }
-    }
-
-    /// <inheritdoc />
-    public IImage this[int x, int y, int width, int height]
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get
-        {
-            if ((x < 0) || (y < 0) || (width <= 0) || (height <= 0) || ((x + width) > Width) || ((y + height) > Height)) throw new IndexOutOfRangeException();
-
-            return new Image<TColor>(_buffer, _x + x, _y + y, width, height, _stride);
-        }
-    }
-
-    /// <inheritdoc />
-    public IImage.IImageRows Rows
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get => new ImageRows(_buffer, _x, _y, Width, Height, _stride);
-    }
-
-    /// <inheritdoc />
-    public IImage.IImageColumns Columns
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get => new ImageColumns(_buffer, _x, _y, Width, Height, _stride);
-    }
-
-    #endregion
-
-    #region Constructors
-
-    public Image(byte[] buffer, int x, int y, int width, int height, int stride)
-    {
-        this._buffer = buffer;
-        this._x = x;
-        this._y = y;
-        this.Width = width;
-        this.Height = height;
-        this._stride = stride;
-    }
-
-    #endregion
-
-    #region Methods
-
-    /// <inheritdoc />
-    public void CopyTo(in Span<byte> destination)
-    {
-        if (destination == null) throw new ArgumentNullException(nameof(destination));
-        if (destination.Length < SizeInBytes) throw new ArgumentException("The destination is too small to fit this image.", nameof(destination));
-
-        int targetStride = Width * ColorFormat.BytesPerPixel;
-        IImage.IImageRows rows = Rows;
-        Span<byte> target = destination;
-        foreach (IImage.IImageRow row in rows)
-        {
-            row.CopyTo(target);
-            target = target[targetStride..];
-        }
-    }
-
-    /// <inheritdoc />
-    public byte[] ToArray()
-    {
-        byte[] array = new byte[SizeInBytes];
-        CopyTo(array);
-        return array;
-    }
-
-    /// <inheritdoc />
-    public RefImage<T> AsRefImage<T>()
-        where T : struct, IColor
-    {
-        if (typeof(T) != typeof(TColor)) throw new ArgumentException("The requested color format does not fit this image.", nameof(T));
-
-        return new RefImage<T>(MemoryMarshal.Cast<byte, T>(_buffer), _x, _y, Width, Height, _stride);
-    }
-
-    /// <inheritdoc />
-    public IEnumerator<IColor> GetEnumerator()
-    {
-        for (int y = 0; y < Height; y++)
-            for (int x = 0; x < Width; x++)
-                yield return this[x, y];
-    }
-
-    /// <inheritdoc />
-    IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
-
-    #endregion
-
-    #region Indexer-Classes
-
-    /// <inheritdoc />
-    private sealed class ImageRows : IImage.IImageRows
-    {
-        #region Properties & Fields
-
-        private readonly byte[] _buffer;
-        private readonly int _x;
-        private readonly int _y;
-        private readonly int _width;
-        private readonly int _height;
-        private readonly int _stride;
-
-        /// <inheritdoc />
-        public int Count => _height;
-
-        #endregion
-
-        #region Indexer
-
-        /// <inheritdoc />
-        public IImage.IImageRow this[int row]
-        {
-            get
-            {
-                if ((row < 0) || (row >= _height)) throw new IndexOutOfRangeException();
-
-                return new ImageRow(_buffer, (((row + _y) * _stride) + _x), _width);
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        internal ImageRows(byte[] buffer, int x, int y, int width, int height, int stride)
-        {
-            this._buffer = buffer;
-            this._x = x;
-            this._y = y;
-            this._width = width;
-            this._height = height;
-            this._stride = stride;
-        }
-
-        #endregion
-
-        #region Methods
-
-        /// <inheritdoc />
-        public IEnumerator<IImage.IImageRow> GetEnumerator()
-        {
-            for (int y = 0; y < _height; y++)
-                yield return this[y];
-        }
-
-        /// <inheritdoc />
-        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
-
-        #endregion
-    }
-
-    /// <inheritdoc />
-    private sealed class ImageRow : IImage.IImageRow
-    {
-        #region Properties & Fields
-
-        private readonly byte[] _buffer;
-        private readonly int _start;
-        private readonly int _length;
-
-        /// <inheritdoc />
-        public int Length => _length;
-
-        /// <inheritdoc />
-        public int SizeInBytes => Length * TColor.ColorFormat.BytesPerPixel;
-
-        #endregion
-
-        #region Indexer
-
-        /// <inheritdoc />
-        public IColor this[int x]
-        {
-            get
-            {
-                if ((x < 0) || (x >= _length)) throw new IndexOutOfRangeException();
-
-                ReadOnlySpan<TColor> row = MemoryMarshal.Cast<byte, TColor>(_buffer)[_start..];
-                return row[x];
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        internal ImageRow(byte[] buffer, int start, int length)
-        {
-            this._buffer = buffer;
-            this._start = start;
-            this._length = length;
-        }
-
-        #endregion
-
-        #region Methods
-
-        /// <inheritdoc />
-        public void CopyTo(in Span<byte> destination)
-        {
-            if (destination == null) throw new ArgumentNullException(nameof(destination));
-            if (destination.Length < SizeInBytes) throw new ArgumentException("The destination is too small to fit this image.", nameof(destination));
-
-            MemoryMarshal.Cast<byte, TColor>(_buffer).Slice(_start, _length).CopyTo(MemoryMarshal.Cast<byte, TColor>(destination));
-        }
-
-        /// <inheritdoc />
-        public byte[] ToArray()
-        {
-            byte[] array = new byte[SizeInBytes];
-            CopyTo(array);
-            return array;
-        }
-
-        /// <inheritdoc />
-        public IEnumerator<IColor> GetEnumerator()
-        {
-            for (int x = 0; x < _length; x++)
-                yield return this[x];
-        }
-
-        /// <inheritdoc />
-        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
-
-        #endregion
-    }
-
-    /// <inheritdoc />
-    private sealed class ImageColumns : IImage.IImageColumns
-    {
-        #region Properties & Fields
-
-        private readonly byte[] _buffer;
-        private readonly int _x;
-        private readonly int _y;
-        private readonly int _width;
-        private readonly int _height;
-        private readonly int _stride;
-
-        /// <inheritdoc />
-        public int Count => _width;
-
-        #endregion
-
-        #region Indexer
-
-        /// <inheritdoc />
-        public IImage.IImageColumn this[int column]
-        {
-            get
-            {
-                if ((column < 0) || (column >= _width)) throw new IndexOutOfRangeException();
-
-                return new ImageColumn(_buffer, (_y * _stride) + _x + column, _height, _stride);
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        internal ImageColumns(byte[] buffer, int x, int y, int width, int height, int stride)
-        {
-            this._buffer = buffer;
-            this._x = x;
-            this._y = y;
-            this._width = width;
-            this._height = height;
-            this._stride = stride;
-        }
-
-        #endregion
-
-        #region Methods
-
-        /// <inheritdoc />
-        public IEnumerator<IImage.IImageColumn> GetEnumerator()
-        {
-            for (int y = 0; y < _height; y++)
-                yield return this[y];
-        }
-
-        /// <inheritdoc />
-        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
-
-        #endregion
-    }
-
-    /// <inheritdoc />
-    private sealed class ImageColumn : IImage.IImageColumn
-    {
-        #region Properties & Fields
-
-        private readonly byte[] _buffer;
-        private readonly int _start;
-        private readonly int _length;
-        private readonly int _step;
-
-        /// <inheritdoc />
-        public int Length => _length;
-
-        /// <inheritdoc />
-        public int SizeInBytes => Length * TColor.ColorFormat.BytesPerPixel;
-
-        #endregion
-
-        #region Indexer
-
-        /// <inheritdoc />
-        public IColor this[int y]
-        {
-            get
-            {
-                if ((y < 0) || (y >= _length)) throw new IndexOutOfRangeException();
-
-                ReadOnlySpan<TColor> data = MemoryMarshal.Cast<byte, TColor>(_buffer)[_start..];
-                return data[y * _step];
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        internal ImageColumn(byte[] buffer, int start, int length, int step)
-        {
-            this._buffer = buffer;
-            this._start = start;
-            this._length = length;
-            this._step = step;
-        }
-
-        #endregion
-
-        #region Methods
-
-        /// <inheritdoc />
-        public void CopyTo(in Span<byte> destination)
-        {
-            if (destination == null) throw new ArgumentNullException(nameof(destination));
-            if (destination.Length < SizeInBytes) throw new ArgumentException("The destination is too small to fit this image.", nameof(destination));
-
-            if (_step == 1)
-                _buffer.AsSpan(_start, SizeInBytes).CopyTo(destination);
-            else
-            {
-                ReadOnlySpan<TColor> data = MemoryMarshal.Cast<byte, TColor>(_buffer)[_start..];
-                Span<TColor> target = MemoryMarshal.Cast<byte, TColor>(destination);
-                for (int i = 0; i < Length; i++)
-                    target[i] = data[i * _step];
-            }
-        }
-
-        /// <inheritdoc />
-        public byte[] ToArray()
-        {
-            byte[] array = new byte[SizeInBytes];
-            CopyTo(array);
-            return array;
-        }
-
-        /// <inheritdoc />
-        public IEnumerator<IColor> GetEnumerator()
-        {
-            for (int y = 0; y < _length; y++)
-                yield return this[y];
-        }
-
-        /// <inheritdoc />
-        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
-
-        #endregion
-    }
-
-    #endregion
-}

StableDiffusion.NET/Helper/Images/ReadOnlyRefEnumerable.cs

@@ -1,266 +0,0 @@
-// DarthAffe 05.09.2023: Based on https://github.com/CommunityToolkit/dotnet/blob/b0d6c4f9c0cfb5d860400abb00b0ca1b3e94dfa4/src/CommunityToolkit.HighPerformance/Enumerables/ReadOnlyRefEnumerable%7BT%7D.cs
-
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-using System;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-namespace StableDiffusion.NET.Helper.Images;
-
-/// <summary>
-/// A <see langword="ref"/> <see langword="struct"/> that iterates readonly items from arbitrary memory locations.
-/// </summary>
-/// <typeparam name="T">The type of items to enumerate.</typeparam>
-public readonly ref struct ReadOnlyRefEnumerable<T>
-{
-    #region Properties & Fields
-
-    /// <summary>
-    /// The <see cref="ReadOnlySpan{T}"/> instance pointing to the first item in the target memory area.
-    /// </summary>
-    /// <remarks>The <see cref="ReadOnlySpan{T}.Length"/> field maps to the total available length.</remarks>
-    private readonly ReadOnlySpan<T> _span;
-
-    /// <summary>
-    /// The distance between items in the sequence to enumerate.
-    /// </summary>
-    /// <remarks>The distance refers to <typeparamref name="T"/> items, not byte offset.</remarks>
-    private readonly int _step;
-
-    /// <summary>
-    /// Gets the total available length for the sequence.
-    /// </summary>
-    public int Length
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get => _span.Length;
-    }
-
-    /// <summary>
-    /// Gets the element at the specified zero-based index.
-    /// </summary>
-    /// <param name="index">The zero-based index of the element.</param>
-    /// <returns>A reference to the element at the specified index.</returns>
-    /// <exception cref="IndexOutOfRangeException">
-    /// Thrown when <paramref name="index"/> is invalid.
-    /// </exception>
-    public ref readonly T this[int index]
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get
-        {
-            if ((uint)index >= (uint)Length) throw new IndexOutOfRangeException();
-
-            ref T r0 = ref MemoryMarshal.GetReference(_span);
-            nint offset = (nint)(uint)index * (nint)(uint)_step;
-            ref T ri = ref Unsafe.Add(ref r0, offset);
-
-            return ref ri;
-        }
-    }
-
-    /// <summary>
-    /// Gets the element at the specified zero-based index.
-    /// </summary>
-    /// <param name="index">The zero-based index of the element.</param>
-    /// <returns>A reference to the element at the specified index.</returns>
-    /// <exception cref="IndexOutOfRangeException">
-    /// Thrown when <paramref name="index"/> is invalid.
-    /// </exception>
-    public ref readonly T this[Index index]
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get => ref this[index.GetOffset(Length)];
-    }
-
-    #endregion
-
-    #region Constructors
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ReadOnlyRefEnumerable{T}"/> struct.
-    /// </summary>
-    /// <param name="reference">A reference to the first item of the sequence.</param>
-    /// <param name="length">The number of items in the sequence.</param>
-    /// <param name="step">The distance between items in the sequence to enumerate.</param>
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    internal ReadOnlyRefEnumerable(in T reference, int length, int step)
-    {
-        this._step = step;
-
-        _span = MemoryMarshal.CreateReadOnlySpan(ref Unsafe.AsRef(in reference), length);
-    }
-
-    #endregion
-
-    #region Methods
-
-    /// <inheritdoc cref="System.Collections.IEnumerable.GetEnumerator"/>
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public Enumerator GetEnumerator() => new(_span, _step);
-
-    public T[] ToArray()
-    {
-        int length = _span.Length;
-
-        // Empty array if no data is mapped
-        if (length == 0)
-            return Array.Empty<T>();
-
-        T[] array = new T[length];
-        CopyTo(array);
-
-        return array;
-    }
-
-    /// <summary>
-    /// Copies the contents of this <see cref="ReadOnlyRefEnumerable{T}"/> into a destination <see cref="Span{T}"/> instance.
-    /// </summary>
-    /// <param name="destination">The destination <see cref="Span{T}"/> instance.</param>
-    /// <exception cref="ArgumentException">
-    /// Thrown when <paramref name="destination"/> is shorter than the source <see cref="ReadOnlyRefEnumerable{T}"/> instance.
-    /// </exception>
-    public void CopyTo(Span<T> destination)
-    {
-        if (_step == 1)
-        {
-            _span.CopyTo(destination);
-            return;
-        }
-
-        ref T sourceRef = ref MemoryMarshal.GetReference(_span);
-        int length = _span.Length;
-        if ((uint)destination.Length < (uint)length)
-            throw new ArgumentException("The target span is too short to copy all the current items to.");
-
-        ref T destinationRef = ref MemoryMarshal.GetReference(destination);
-
-        CopyTo(ref sourceRef, ref destinationRef, (nint)(uint)length, (nint)(uint)_step);
-    }
-
-    /// <summary>
-    /// Attempts to copy the current <see cref="ReadOnlyRefEnumerable{T}"/> instance to a destination <see cref="Span{T}"/>.
-    /// </summary>
-    /// <param name="destination">The target <see cref="Span{T}"/> of the copy operation.</param>
-    /// <returns>Whether or not the operation was successful.</returns>
-    public bool TryCopyTo(Span<T> destination)
-    {
-        if (destination.Length >= _span.Length)
-        {
-            CopyTo(destination);
-            return true;
-        }
-
-        return false;
-    }
-
-    private static void CopyTo(ref T sourceRef, ref T destinationRef, nint length, nint sourceStep)
-    {
-        nint sourceOffset = 0;
-        nint destinationOffset = 0;
-
-        while (length >= 8)
-        {
-            Unsafe.Add(ref destinationRef, destinationOffset + 0) = Unsafe.Add(ref sourceRef, sourceOffset);
-            Unsafe.Add(ref destinationRef, destinationOffset + 1) = Unsafe.Add(ref sourceRef, sourceOffset += sourceStep);
-            Unsafe.Add(ref destinationRef, destinationOffset + 2) = Unsafe.Add(ref sourceRef, sourceOffset += sourceStep);
-            Unsafe.Add(ref destinationRef, destinationOffset + 3) = Unsafe.Add(ref sourceRef, sourceOffset += sourceStep);
-            Unsafe.Add(ref destinationRef, destinationOffset + 4) = Unsafe.Add(ref sourceRef, sourceOffset += sourceStep);
-            Unsafe.Add(ref destinationRef, destinationOffset + 5) = Unsafe.Add(ref sourceRef, sourceOffset += sourceStep);
-            Unsafe.Add(ref destinationRef, destinationOffset + 6) = Unsafe.Add(ref sourceRef, sourceOffset += sourceStep);
-            Unsafe.Add(ref destinationRef, destinationOffset + 7) = Unsafe.Add(ref sourceRef, sourceOffset += sourceStep);
-
-            length -= 8;
-            sourceOffset += sourceStep;
-            destinationOffset += 8;
-        }
-
-        if (length >= 4)
-        {
-            Unsafe.Add(ref destinationRef, destinationOffset + 0) = Unsafe.Add(ref sourceRef, sourceOffset);
-            Unsafe.Add(ref destinationRef, destinationOffset + 1) = Unsafe.Add(ref sourceRef, sourceOffset += sourceStep);
-            Unsafe.Add(ref destinationRef, destinationOffset + 2) = Unsafe.Add(ref sourceRef, sourceOffset += sourceStep);
-            Unsafe.Add(ref destinationRef, destinationOffset + 3) = Unsafe.Add(ref sourceRef, sourceOffset += sourceStep);
-
-            length -= 4;
-            sourceOffset += sourceStep;
-            destinationOffset += 4;
-        }
-
-        while (length > 0)
-        {
-            Unsafe.Add(ref destinationRef, destinationOffset) = Unsafe.Add(ref sourceRef, sourceOffset);
-
-            length -= 1;
-            sourceOffset += sourceStep;
-            destinationOffset += 1;
-        }
-    }
-
-    #endregion
-
-    /// <summary>
-    /// A custom enumerator type to traverse items within a <see cref="ReadOnlyRefEnumerable{T}"/> instance.
-    /// </summary>
-    public ref struct Enumerator
-    {
-        #region Properties & Fields
-
-        /// <inheritdoc cref="ReadOnlyRefEnumerable{T}._span"/>
-        private readonly ReadOnlySpan<T> _span;
-
-        /// <inheritdoc cref="ReadOnlyRefEnumerable{T}._step"/>
-        private readonly int _step;
-
-        /// <summary>
-        /// The current position in the sequence.
-        /// </summary>
-        private int _position;
-
-        /// <inheritdoc cref="System.Collections.Generic.IEnumerator{T}.Current"/>
-        public readonly ref readonly T Current
-        {
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            get
-            {
-                ref T r0 = ref MemoryMarshal.GetReference(_span);
-
-                nint offset = (nint)(uint)_position * (nint)(uint)_step;
-                ref T ri = ref Unsafe.Add(ref r0, offset);
-
-                return ref ri;
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="Enumerator"/> struct.
-        /// </summary>
-        /// <param name="span">The <see cref="ReadOnlySpan{T}"/> instance with the info on the items to traverse.</param>
-        /// <param name="step">The distance between items in the sequence to enumerate.</param>
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        internal Enumerator(ReadOnlySpan<T> span, int step)
-        {
-            this._span = span;
-            this._step = step;
-
-            _position = -1;
-        }
-
-        #endregion
-
-        #region Methods
-
-        /// <inheritdoc cref="System.Collections.IEnumerator.MoveNext"/>
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public bool MoveNext() => ++_position < _span.Length;
-
-        #endregion
-    }
-}

StableDiffusion.NET/Helper/Images/RefImage.cs

@@ -1,368 +0,0 @@
-using System;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-using StableDiffusion.NET.Helper.Images.Colors;
-
-namespace StableDiffusion.NET.Helper.Images;
-
-public readonly ref struct RefImage<TColor>
-    where TColor : struct, IColor
-{
-    #region Properties & Fields
-
-    private readonly ReadOnlySpan<TColor> _pixels;
-
-    private readonly int _x;
-    private readonly int _y;
-
-    /// <summary>
-    /// Gets the width of the image.
-    /// </summary>
-    public int Width { get; }
-
-    /// <summary>
-    /// Gets the height of the image.
-    /// </summary>
-    public int Height { get; }
-
-    /// <summary>
-    /// Gets the stride (entries per row) of the underlying buffer.
-    /// Only useful if you want to work with a pinned buffer.
-    /// </summary>
-    public int RawStride { get; }
-
-    #endregion
-
-    #region Indexer
-
-    public ref readonly TColor this[int x, int y]
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get
-        {
-            if ((x < 0) || (y < 0) || (x >= Width) || (y >= Height)) throw new IndexOutOfRangeException();
-
-            ref TColor r0 = ref MemoryMarshal.GetReference(_pixels);
-            nint offset = (nint)(uint)((_y + y) * RawStride) + (_x + x);
-            return ref Unsafe.Add(ref r0, offset);
-        }
-    }
-
-    public RefImage<TColor> this[int x, int y, int width, int height]
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get
-        {
-            if ((x < 0) || (y < 0) || (width <= 0) || (height <= 0) || ((x + width) > Width) || ((y + height) > Height)) throw new IndexOutOfRangeException();
-
-            return new RefImage<TColor>(_pixels, _x + x, _y + y, width, height, RawStride);
-        }
-    }
-
-    public ImageRows Rows
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get => new(_pixels, _x, _y, Width, Height, RawStride);
-    }
-    public ImageColumns Columns
-    {
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        get => new(_pixels, _x, _y, Width, Height, RawStride);
-    }
-
-    #endregion
-
-    #region Constructors
-
-    public RefImage(ReadOnlySpan<TColor> pixels, int x, int y, int width, int height, int stride)
-    {
-        this._pixels = pixels;
-        this._x = x;
-        this._y = y;
-        this.Width = width;
-        this.Height = height;
-        this.RawStride = stride;
-    }
-
-    #endregion
-
-    #region Methods
-
-    /// <summary>
-    /// Copies the contents of this <see cref="RefImage{TColor}"/> into a destination <see cref="Span{T}"/> instance.
-    /// </summary>
-    /// <param name="destination">The destination <see cref="Span{T}"/> instance.</param>
-    /// <exception cref="ArgumentException">
-    /// Thrown when <paramref name="destination"/> is shorter than the source <see cref="RefImage{TColor}"/> instance.
-    /// </exception>
-    public void CopyTo(in Span<TColor> destination)
-    {
-        if (destination == null) throw new ArgumentNullException(nameof(destination));
-        if (destination.Length < (Width * Height)) throw new ArgumentException("The destination is too small to fit this image.", nameof(destination));
-
-        ImageRows rows = Rows;
-        Span<TColor> target = destination;
-        foreach (ReadOnlyRefEnumerable<TColor> row in rows)
-        {
-            row.CopyTo(target);
-            target = target[Width..];
-        }
-    }
-
-    /// <summary>
-    /// Allocates a new array and copies this <see cref="RefImage{TColor}"/> into it.
-    /// </summary>
-    /// <returns>The new array containing the data of this <see cref="RefImage{TColor}"/>.</returns>
-    public TColor[] ToArray()
-    {
-        TColor[] array = new TColor[Width * Height];
-        CopyTo(array);
-        return array;
-    }
-
-    /// <summary>
-    /// Returns a reference to the first element of this image inside the full image buffer.
-    /// </summary>
-    public ref readonly TColor GetPinnableReference()
-    {
-        if (_pixels.Length == 0)
-            return ref Unsafe.NullRef<TColor>();
-
-        int offset = (_y * RawStride) + _x;
-        return  ref MemoryMarshal.GetReference(_pixels[offset..]);
-    }
-
-    /// <inheritdoc cref="System.Collections.IEnumerable.GetEnumerator"/>
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public ImageEnumerator GetEnumerator() => new(_pixels);
-
-    #endregion
-
-    public ref struct ImageEnumerator
-    {
-        #region Properties & Fields
-
-        private readonly ReadOnlySpan<TColor> _pixels;
-        private int _position;
-
-        /// <inheritdoc cref="System.Collections.Generic.IEnumerator{T}.Current"/>
-        public TColor Current
-        {
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            get => _pixels[_position];
-        }
-
-        #endregion
-
-        #region Constructors
-
-
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        internal ImageEnumerator(ReadOnlySpan<TColor> pixels)
-        {
-            this._pixels = pixels;
-
-            _position = -1;
-        }
-
-        #endregion
-
-        #region Methods
-
-        /// <inheritdoc cref="System.Collections.IEnumerator.MoveNext"/>
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public bool MoveNext() => ++_position < _pixels.Length;
-
-        #endregion
-    }
-
-    #region Indexer-Structs
-
-    public readonly ref struct ImageRows
-    {
-        #region Properties & Fields
-
-        private readonly ReadOnlySpan<TColor> _pixels;
-        private readonly int _x;
-        private readonly int _y;
-        private readonly int _width;
-        private readonly int _height;
-        private readonly int _stride;
-
-        public int Count => _height;
-
-        #endregion
-
-        #region Indexer
-
-        public readonly ReadOnlyRefEnumerable<TColor> this[int row]
-        {
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            get
-            {
-                if ((row < 0) || (row > _height)) throw new IndexOutOfRangeException();
-
-                ref TColor r0 = ref MemoryMarshal.GetReference(_pixels);
-                ref TColor rr = ref Unsafe.Add(ref r0, (nint)(uint)(((row + _y) * _stride) + _x));
-
-                return new ReadOnlyRefEnumerable<TColor>(rr, _width, 1);
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        public ImageRows(ReadOnlySpan<TColor> pixels, int x, int y, int width, int height, int stride)
-        {
-            this._pixels = pixels;
-            this._x = x;
-            this._y = y;
-            this._width = width;
-            this._height = height;
-            this._stride = stride;
-        }
-
-        #endregion
-
-        #region Methods
-
-        /// <inheritdoc cref="System.Collections.IEnumerable.GetEnumerator"/>
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public ImageRowsEnumerator GetEnumerator() => new(this);
-
-        #endregion
-
-        public ref struct ImageRowsEnumerator
-        {
-            #region Properties & Fields
-
-            private readonly ImageRows _rows;
-            private int _position;
-
-            /// <inheritdoc cref="System.Collections.Generic.IEnumerator{T}.Current"/>
-            public ReadOnlyRefEnumerable<TColor> Current
-            {
-                [MethodImpl(MethodImplOptions.AggressiveInlining)]
-                get => _rows[_position];
-            }
-
-            #endregion
-
-            #region Constructors
-
-
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            internal ImageRowsEnumerator(ImageRows rows)
-            {
-                this._rows = rows;
-
-                _position = -1;
-            }
-
-            #endregion
-
-            #region Methods
-
-            /// <inheritdoc cref="System.Collections.IEnumerator.MoveNext"/>
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            public bool MoveNext() => ++_position < _rows._height;
-
-            #endregion
-        }
-    }
-
-    public readonly ref struct ImageColumns
-    {
-        #region Properties & Fields
-
-        private readonly ReadOnlySpan<TColor> _pixels;
-        private readonly int _x;
-        private readonly int _y;
-        private readonly int _width;
-        private readonly int _height;
-        private readonly int _stride;
-
-        public int Count => _width;
-
-        #endregion
-
-        #region Indexer
-
-        public ReadOnlyRefEnumerable<TColor> this[int column]
-        {
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            get
-            {
-                if ((column < 0) || (column > _width)) throw new IndexOutOfRangeException();
-
-                ref TColor r0 = ref MemoryMarshal.GetReference(_pixels);
-                ref TColor rc = ref Unsafe.Add(ref r0, (nint)(uint)((_y * _stride) + (column + _x)));
-
-                return new ReadOnlyRefEnumerable<TColor>(rc, _height, _stride);
-            }
-        }
-
-        #endregion
-
-        #region Constructors
-
-        public ImageColumns(ReadOnlySpan<TColor> pixels, int x, int y, int width, int height, int stride)
-        {
-            this._pixels = pixels;
-            this._x = x;
-            this._y = y;
-            this._width = width;
-            this._height = height;
-            this._stride = stride;
-        }
-
-        #endregion
-
-        #region Methods
-
-        /// <inheritdoc cref="System.Collections.IEnumerable.GetEnumerator"/>
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public ImageColumnsEnumerator GetEnumerator() => new(this);
-
-        #endregion
-
-        public ref struct ImageColumnsEnumerator
-        {
-            #region Properties & Fields
-
-            private readonly ImageColumns _columns;
-            private int _position;
-
-            /// <inheritdoc cref="System.Collections.Generic.IEnumerator{T}.Current"/>
-            public ReadOnlyRefEnumerable<TColor> Current
-            {
-                [MethodImpl(MethodImplOptions.AggressiveInlining)]
-                get => _columns[_position];
-            }
-
-            #endregion
-
-            #region Constructors
-
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            internal ImageColumnsEnumerator(ImageColumns columns)
-            {
-                this._columns = columns;
-                this._position = -1;
-            }
-
-            #endregion
-
-            #region Methods
-
-            /// <inheritdoc cref="System.Collections.IEnumerator.MoveNext"/>
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            public bool MoveNext() => ++_position < _columns._width;
-
-            #endregion
-        }
-    }
-
-    #endregion
-}

StableDiffusion.NET/Helper/ProcessHelper.cs

@@ -1,6 +1,6 @@
 using System.Diagnostics;
 
-namespace StableDiffusion.NET.Helper;
+namespace StableDiffusion.NET;
 
 internal static class ProcessHelper
 {

StableDiffusion.NET/StableDiffusion.NET.csproj

@@ -55,6 +55,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="JetBrains.Annotations" Version="2023.3.0" />
+    <PackageReference Include="HPPH" Version="1.0.0" />
+    <PackageReference Include="JetBrains.Annotations" Version="2024.2.0" />
   </ItemGroup>
 </Project>

StableDiffusion.NET/StableDiffusion.NET.csproj.DotSettings

@@ -4,4 +4,5 @@
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=enums/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=eventargs/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=extensions/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=helper/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/CodeInspection/NamespaceProvider/NamespaceFoldersToSkip/=native/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>

StableDiffusion.NET/StableDiffusionImage.cs

@@ -1,63 +0,0 @@
-using JetBrains.Annotations;
-using System;
-using System.Runtime.InteropServices;
-
-namespace StableDiffusion.NET;
-
-[PublicAPI]
-public sealed unsafe class StableDiffusionImage : IDisposable
-{
-    #region Properties & Fields
-
-    private bool _disposed;
-
-    internal readonly Native.sd_image_t* Image;
-
-    public int Width { get; }
-    public int Height { get; }
-    public int Bpp { get; }
-    public int Stride { get; }
-
-    public ReadOnlySpan<byte> Data
-    {
-        get
-        {
-            ObjectDisposedException.ThrowIf(_disposed, this);
-
-            return new ReadOnlySpan<byte>(Image->data, Width * Height * Bpp);
-        }
-    }
-
-    #endregion
-
-    #region Constructors
-
-    internal unsafe StableDiffusionImage(Native.sd_image_t* image)
-    {
-        this.Image = image;
-
-        Width = (int)image->width;
-        Height = (int)image->height;
-        Bpp = (int)image->channel;
-        Stride = Width * Bpp;
-    }
-
-    ~StableDiffusionImage() => Dispose();
-
-    #endregion
-
-    #region Methods
-
-    public void Dispose()
-    {
-        if (_disposed) return;
-
-        Marshal.FreeHGlobal((nint)Image->data);
-        Marshal.FreeHGlobal((nint)Image);
-        
-        GC.SuppressFinalize(this);
-        _disposed = true;
-    }
-
-    #endregion
-}

StableDiffusion.NET/StableDiffusionModel.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Runtime.InteropServices;
+using HPPH;
 using JetBrains.Annotations;
 
 namespace StableDiffusion.NET;
@@ -90,7 +91,7 @@ public sealed unsafe class StableDiffusionModel : IDisposable
         }
     }
 
-    public StableDiffusionImage TextToImage(string prompt, StableDiffusionParameter parameter)
+    public IImage<ColorRGB> TextToImage(string prompt, StableDiffusionParameter parameter)
     {
         ObjectDisposedException.ThrowIf(_disposed, this);
         ArgumentNullException.ThrowIfNull(prompt);
@@ -100,16 +101,15 @@ public sealed unsafe class StableDiffusionModel : IDisposable
         Native.sd_image_t* result;
         if (parameter.ControlNet.IsEnabled)
         {
-            fixed (byte* imagePtr = parameter.ControlNet.Image)
+            fixed (byte* imagePtr = parameter.ControlNet.Image!.ToRawArray())
             {
-
                 if (parameter.ControlNet.CannyPreprocess)
                 {
                     Native.sd_image_t controlNetImage = new()
                     {
-                        width = (uint)parameter.Width,
+                        width = (uint)parameter.ControlNet.Image.Width,
-                        height = (uint)parameter.Height,
+                        height = (uint)parameter.ControlNet.Image.Height,
-                        channel = 3,
+                        channel = (uint)parameter.ControlNet.Image.ColorFormat.BytesPerPixel,
                         data = Native.preprocess_canny(imagePtr,
                                                        parameter.Width,
                                                        parameter.Height,
@@ -143,9 +143,9 @@ public sealed unsafe class StableDiffusionModel : IDisposable
                 {
                     Native.sd_image_t controlNetImage = new()
                     {
-                        width = (uint)parameter.Width,
+                        width = (uint)parameter.ControlNet.Image.Width,
-                        height = (uint)parameter.Height,
+                        height = (uint)parameter.ControlNet.Image.Height,
-                        channel = 3,
+                        channel = (uint)parameter.ControlNet.Image.ColorFormat.BytesPerPixel,
                         data = imagePtr
                     };
 
@@ -188,34 +188,21 @@ public sealed unsafe class StableDiffusionModel : IDisposable
                                     parameter.PhotoMaker.InputIdImageDirectory);
         }
 
-        return new StableDiffusionImage(result);
+        return ImageHelper.ToImage(result);
     }
 
-    public StableDiffusionImage ImageToImage(string prompt, in ReadOnlySpan<byte> image, StableDiffusionParameter parameter)
+    public IImage<ColorRGB> ImageToImage(string prompt, IImage<ColorRGB> image, StableDiffusionParameter parameter)
     {
         ObjectDisposedException.ThrowIf(_disposed, this);
         ArgumentNullException.ThrowIfNull(prompt);
 
         parameter.Validate();
 
-        fixed (byte* imagePtr = image)
+        fixed (byte* imagePtr = image.AsRefImage())
-        {
+            return ImageToImage(prompt, image.ToSdImage(imagePtr), parameter);
-            Native.sd_image_t img = new()
-            {
-                width = (uint)parameter.Width,
-                height = (uint)parameter.Height,
-                channel = 3,
-                data = imagePtr
-            };
-
-            return ImageToImage(prompt, img, parameter);
-        }
     }
 
-    public StableDiffusionImage ImageToImage(string prompt, StableDiffusionImage image, StableDiffusionParameter parameter)
+    private IImage<ColorRGB> ImageToImage(string prompt, Native.sd_image_t image, StableDiffusionParameter parameter)
-        => ImageToImage(prompt, *image.Image, parameter);
-
-    private StableDiffusionImage ImageToImage(string prompt, Native.sd_image_t image, StableDiffusionParameter parameter)
     {
         ObjectDisposedException.ThrowIf(_disposed, this);
         ArgumentNullException.ThrowIfNull(prompt);
@@ -225,16 +212,15 @@ public sealed unsafe class StableDiffusionModel : IDisposable
         Native.sd_image_t* result;
         if (parameter.ControlNet.IsEnabled)
         {
-            fixed (byte* imagePtr = parameter.ControlNet.Image)
+            fixed (byte* imagePtr = parameter.ControlNet.Image!.ToRawArray())
             {
-
                 if (parameter.ControlNet.CannyPreprocess)
                 {
                     Native.sd_image_t controlNetImage = new()
                     {
-                        width = (uint)parameter.Width,
+                        width = (uint)parameter.ControlNet.Image.Width,
-                        height = (uint)parameter.Height,
+                        height = (uint)parameter.ControlNet.Image.Height,
-                        channel = 3,
+                        channel = (uint)parameter.ControlNet.Image.ColorFormat.BytesPerPixel,
                         data = Native.preprocess_canny(imagePtr,
                                                        parameter.Width,
                                                        parameter.Height,
@@ -270,9 +256,9 @@ public sealed unsafe class StableDiffusionModel : IDisposable
                 {
                     Native.sd_image_t controlNetImage = new()
                     {
-                        width = (uint)parameter.Width,
+                        width = (uint)parameter.ControlNet.Image.Width,
-                        height = (uint)parameter.Height,
+                        height = (uint)parameter.ControlNet.Image.Height,
-                        channel = 3,
+                        channel = (uint)parameter.ControlNet.Image.ColorFormat.BytesPerPixel,
                         data = imagePtr
                     };
 
@@ -319,46 +305,27 @@ public sealed unsafe class StableDiffusionModel : IDisposable
                                     parameter.PhotoMaker.InputIdImageDirectory);
         }
 
-        return new StableDiffusionImage(result);
+        return ImageHelper.ToImage(result);
     }
 
-    public StableDiffusionImage Upscale(StableDiffusionImage image, int upscaleFactor)
+    public IImage<ColorRGB> Upscale(IImage<ColorRGB> image, int upscaleFactor)
     {
         ObjectDisposedException.ThrowIf(_disposed, this);
         ArgumentOutOfRangeException.ThrowIfLessThanOrEqual(upscaleFactor, 0, nameof(upscaleFactor));
 
         if (_upscalerCtx == null) throw new NullReferenceException("The upscaler is not initialized.");
 
-        return Upscale(*image.Image, upscaleFactor);
+        fixed (byte* imagePtr = image.ConvertTo<ColorRGB>().AsRefImage())
-    }
-
-    public StableDiffusionImage Upscale(in ReadOnlySpan<byte> image, int width, int height, int upscaleFactor)
-    {
-        ObjectDisposedException.ThrowIf(_disposed, this);
-        ArgumentOutOfRangeException.ThrowIfLessThanOrEqual(upscaleFactor, 0, nameof(upscaleFactor));
-        ArgumentOutOfRangeException.ThrowIfLessThanOrEqual(width, 0, nameof(upscaleFactor));
-        ArgumentOutOfRangeException.ThrowIfLessThanOrEqual(height, 0, nameof(upscaleFactor));
-
-        if (_upscalerCtx == null) throw new NullReferenceException("The upscaler is not initialized.");
-
-        fixed (byte* imagePtr = image)
         {
-            Native.sd_image_t srcImage = new()
+            Native.sd_image_t result = Native.upscale(_upscalerCtx, image.ToSdImage(imagePtr), upscaleFactor);
-            {
+            return ImageHelper.ToImage(&result);
-                width = (uint)width,
-                height = (uint)height,
-                channel = 3,
-                data = imagePtr
-            };
-
-            return Upscale(srcImage, upscaleFactor);
         }
     }
 
-    private StableDiffusionImage Upscale(Native.sd_image_t image, int upscaleFactor)
+    private IImage<ColorRGB> Upscale(Native.sd_image_t image, int upscaleFactor)
     {
         Native.sd_image_t result = Native.upscale(_upscalerCtx, image, upscaleFactor);
-        return new StableDiffusionImage(&result);
+        return ImageHelper.ToImage(&result);
     }
 
     public void Dispose()

StableDiffusion.NET/StableDiffusionParameter.cs

@@ -1,4 +1,5 @@
-using JetBrains.Annotations;
+using HPPH;
+using JetBrains.Annotations;
 
 namespace StableDiffusion.NET;
 
@@ -26,9 +27,9 @@ public sealed class StableDiffusionParameter
 [PublicAPI]
 public sealed class StableDiffusionControlNetParameter
 {
-    public bool IsEnabled => Image?.Length > 0;
+    public bool IsEnabled => Image != null;
 
-    public byte[]? Image { get; set; } = null;
+    public IImage<ColorRGB>? Image { get; set; } = null;
     public float Strength { get; set; } = 0.9f;
     public bool CannyPreprocess { get; set; } = false;
     public float CannyHighThreshold { get; set; } = 0.08f;