remove ImageFrame.GetPixelRowSpan

src/ImageSharp/Formats/Bmp/BmpEncoderCore.cs

@@ -379,7 +379,7 @@ namespace SixLabors.ImageSharp.Formats.Bmp
 
             for (int y = image.Height - 1; y >= 0; y--)
             {
-                ReadOnlySpan<byte> pixelSpan = quantized.GetPixelRowSpan(y);
+                ReadOnlySpan<byte> pixelSpan = quantized.DangerousGetRowSpan(y);
                 stream.Write(pixelSpan);
 
                 for (int i = 0; i < this.padding; i++)
@@ -413,10 +413,10 @@ namespace SixLabors.ImageSharp.Formats.Bmp
             }
 
             stream.Write(colorPalette);
-
+            Buffer2D<TPixel> imageBuffer = image.PixelBuffer;
             for (int y = image.Height - 1; y >= 0; y--)
             {
-                ReadOnlySpan<TPixel> inputPixelRow = image.GetPixelRowSpan(y);
+                ReadOnlySpan<TPixel> inputPixelRow = imageBuffer.DangerousGetRowSpan(y);
                 ReadOnlySpan<byte> outputPixelRow = MemoryMarshal.AsBytes(inputPixelRow);
                 stream.Write(outputPixelRow);
 
@@ -447,11 +447,11 @@ namespace SixLabors.ImageSharp.Formats.Bmp
             ReadOnlySpan<TPixel> quantizedColorPalette = quantized.Palette.Span;
             this.WriteColorPalette(stream, quantizedColorPalette, colorPalette);
 
-            ReadOnlySpan<byte> pixelRowSpan = quantized.GetPixelRowSpan(0);
+            ReadOnlySpan<byte> pixelRowSpan = quantized.DangerousGetRowSpan(0);
             int rowPadding = pixelRowSpan.Length % 2 != 0 ? this.padding - 1 : this.padding;
             for (int y = image.Height - 1; y >= 0; y--)
             {
-                pixelRowSpan = quantized.GetPixelRowSpan(y);
+                pixelRowSpan = quantized.DangerousGetRowSpan(y);
 
                 int endIdx = pixelRowSpan.Length % 2 == 0 ? pixelRowSpan.Length : pixelRowSpan.Length - 1;
                 for (int i = 0; i < endIdx; i += 2)
@@ -491,11 +491,11 @@ namespace SixLabors.ImageSharp.Formats.Bmp
             ReadOnlySpan<TPixel> quantizedColorPalette = quantized.Palette.Span;
             this.WriteColorPalette(stream, quantizedColorPalette, colorPalette);
 
-            ReadOnlySpan<byte> quantizedPixelRow = quantized.GetPixelRowSpan(0);
+            ReadOnlySpan<byte> quantizedPixelRow = quantized.DangerousGetRowSpan(0);
             int rowPadding = quantizedPixelRow.Length % 8 != 0 ? this.padding - 1 : this.padding;
             for (int y = image.Height - 1; y >= 0; y--)
             {
-                quantizedPixelRow = quantized.GetPixelRowSpan(y);
+                quantizedPixelRow = quantized.DangerousGetRowSpan(y);
 
                 int endIdx = quantizedPixelRow.Length % 8 == 0 ? quantizedPixelRow.Length : quantizedPixelRow.Length - 8;
                 for (int i = 0; i < endIdx; i += 8)

src/ImageSharp/Formats/Gif/GifDecoderCore.cs

@@ -481,7 +481,7 @@ namespace SixLabors.ImageSharp.Formats.Gif
                     writeY = y;
                 }
 
-                ref TPixel rowRef = ref MemoryMarshal.GetReference(imageFrame.GetPixelRowSpan(writeY));
+                ref TPixel rowRef = ref MemoryMarshal.GetReference(imageFrame.PixelBuffer.DangerousGetRowSpan(writeY));
 
                 if (!transFlag)
                 {

src/ImageSharp/Formats/Png/PngDecoderCore.cs

@@ -565,6 +565,7 @@ namespace SixLabors.ImageSharp.Formats.Png
         {
             int pass = 0;
             int width = this.header.Width;
+            Buffer2D<TPixel> imageBuffer = image.PixelBuffer;
             while (true)
             {
                 int numColumns = Adam7.ComputeColumns(width, pass);
@@ -623,7 +624,7 @@ namespace SixLabors.ImageSharp.Formats.Png
                             break;
                     }
 
-                    Span<TPixel> rowSpan = image.GetPixelRowSpan(this.currentRow);
+                    Span<TPixel> rowSpan = imageBuffer.DangerousGetRowSpan(this.currentRow);
                     this.ProcessInterlacedDefilteredScanline(this.scanline.GetSpan(), rowSpan, pngMetadata, Adam7.FirstColumn[pass], Adam7.ColumnIncrement[pass]);
 
                     this.SwapScanlineBuffers();
@@ -656,7 +657,7 @@ namespace SixLabors.ImageSharp.Formats.Png
         private void ProcessDefilteredScanline<TPixel>(ReadOnlySpan<byte> defilteredScanline, ImageFrame<TPixel> pixels, PngMetadata pngMetadata)
             where TPixel : unmanaged, IPixel<TPixel>
         {
-            Span<TPixel> rowSpan = pixels.GetPixelRowSpan(this.currentRow);
+            Span<TPixel> rowSpan = pixels.PixelBuffer.DangerousGetRowSpan(this.currentRow);
 
             // Trim the first marker byte from the buffer
             ReadOnlySpan<byte> trimmed = defilteredScanline.Slice(1, defilteredScanline.Length - 1);

src/ImageSharp/Formats/Png/PngEncoderCore.cs

@@ -168,7 +168,7 @@ namespace SixLabors.ImageSharp.Formats.Png
             Rgba32 rgba32 = default;
             for (int y = 0; y < image.Height; y++)
             {
-                Span<TPixel> span = image.GetPixelRowSpan(y);
+                Span<TPixel> span = image.DangerousGetRowSpan(y);
                 for (int x = 0; x < image.Width; x++)
                 {
                     span[x].ToRgba32(ref rgba32);
@@ -391,11 +391,11 @@ namespace SixLabors.ImageSharp.Formats.Png
 
                     if (this.bitDepth < 8)
                     {
-                        PngEncoderHelpers.ScaleDownFrom8BitArray(quantized.GetPixelRowSpan(row), this.currentScanline.GetSpan(), this.bitDepth);
+                        PngEncoderHelpers.ScaleDownFrom8BitArray(quantized.DangerousGetRowSpan(row), this.currentScanline.GetSpan(), this.bitDepth);
                     }
                     else
                     {
-                        quantized.GetPixelRowSpan(row).CopyTo(this.currentScanline.GetSpan());
+                        quantized.DangerousGetRowSpan(row).CopyTo(this.currentScanline.GetSpan());
                     }
 
                     break;
@@ -918,7 +918,7 @@ namespace SixLabors.ImageSharp.Formats.Png
             Span<byte> attempt = attemptBuffer.GetSpan();
             for (int y = 0; y < this.height; y++)
             {
-                this.CollectAndFilterPixelRow(pixels.GetPixelRowSpan(y), ref filter, ref attempt, quantized, y);
+                this.CollectAndFilterPixelRow(pixels.DangerousGetRowSpan(y), ref filter, ref attempt, quantized, y);
                 deflateStream.Write(filter);
                 this.SwapScanlineBuffers();
             }
@@ -959,7 +959,7 @@ namespace SixLabors.ImageSharp.Formats.Png
                 for (int row = startRow; row < height; row += Adam7.RowIncrement[pass])
                 {
                     // Collect pixel data
-                    Span<TPixel> srcRow = pixels.GetPixelRowSpan(row);
+                    Span<TPixel> srcRow = pixels.DangerousGetRowSpan(row);
                     for (int col = startCol, i = 0; col < width; col += Adam7.ColumnIncrement[pass])
                     {
                         block[i++] = srcRow[col];
@@ -1014,7 +1014,7 @@ namespace SixLabors.ImageSharp.Formats.Png
                     row += Adam7.RowIncrement[pass])
                 {
                     // Collect data
-                    ReadOnlySpan<byte> srcRow = quantized.GetPixelRowSpan(row);
+                    ReadOnlySpan<byte> srcRow = quantized.DangerousGetRowSpan(row);
                     for (int col = startCol, i = 0;
                         col < width;
                         col += Adam7.ColumnIncrement[pass])

src/ImageSharp/Formats/Tiff/Writers/TiffBiColorWriter{TPixel}.cs

@@ -47,7 +47,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.Writers
                 int grayRowIdx = 0;
                 for (int row = y; row < lastRow; row++)
                 {
-                    Span<TPixel> pixelsBlackWhiteRow = this.imageBlackWhite.GetPixelRowSpan(row);
+                    Span<TPixel> pixelsBlackWhiteRow = this.imageBlackWhite.DangerousGetRowSpan(row);
                     Span<byte> pixelAsGrayRow = pixelAsGraySpan.Slice(grayRowIdx * width, width);
                     PixelOperations<TPixel>.Instance.ToL8Bytes(this.Configuration, pixelsBlackWhiteRow, pixelAsGrayRow, width);
                     grayRowIdx++;
@@ -73,7 +73,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.Writers
                     int bitIndex = 0;
                     int byteIndex = 0;
                     Span<byte> outputRow = rows.Slice(outputRowIdx * this.BytesPerRow);
-                    Span<TPixel> pixelsBlackWhiteRow = this.imageBlackWhite.GetPixelRowSpan(row);
+                    Span<TPixel> pixelsBlackWhiteRow = this.imageBlackWhite.DangerousGetRowSpan(row);
                     PixelOperations<TPixel>.Instance.ToL8Bytes(this.Configuration, pixelsBlackWhiteRow, pixelAsGraySpan, width);
                     for (int x = 0; x < this.Image.Width; x++)
                     {

src/ImageSharp/Formats/Tiff/Writers/TiffPaletteWriter{TPixel}.cs

@@ -67,7 +67,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.Writers
                 int lastRow = y + height;
                 for (int row = y; row < lastRow; row++)
                 {
-                    ReadOnlySpan<byte> indexedPixelRow = this.quantizedImage.GetPixelRowSpan(row);
+                    ReadOnlySpan<byte> indexedPixelRow = this.quantizedImage.DangerousGetRowSpan(row);
                     int idxPixels = 0;
                     for (int x = 0; x < halfWidth; x++)
                     {
@@ -94,7 +94,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.Writers
                 int indexedPixelsRowIdx = 0;
                 for (int row = y; row < lastRow; row++)
                 {
-                    ReadOnlySpan<byte> indexedPixelRow = this.quantizedImage.GetPixelRowSpan(row);
+                    ReadOnlySpan<byte> indexedPixelRow = this.quantizedImage.DangerousGetRowSpan(row);
                     indexedPixelRow.CopyTo(indexedPixels.Slice(indexedPixelsRowIdx * width, width));
                     indexedPixelsRowIdx++;
                 }

src/ImageSharp/Formats/Webp/Lossless/Vp8LEncoder.cs

@@ -395,7 +395,7 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossless
             int widthBytes = width * 4;
             for (int y = 0; y < height; y++)
             {
-                Span<TPixel> rowSpan = image.GetPixelRowSpan(y);
+                Span<TPixel> rowSpan = image.DangerousGetRowSpan(y);
                 Span<byte> rowBytes = bgraBytes.Slice(y * widthBytes, widthBytes);
                 PixelOperations<TPixel>.Instance.ToBgra32Bytes(this.configuration, rowSpan, rowBytes, width);
                 if (!nonOpaque)

src/ImageSharp/Formats/Webp/Lossy/YuvConversion.cs

@@ -46,8 +46,8 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossy
             int rowIndex;
             for (rowIndex = 0; rowIndex < height - 1; rowIndex += 2)
             {
-                Span<TPixel> rowSpan = image.GetPixelRowSpan(rowIndex);
-                Span<TPixel> nextRowSpan = image.GetPixelRowSpan(rowIndex + 1);
+                Span<TPixel> rowSpan = image.DangerousGetRowSpan(rowIndex);
+                Span<TPixel> nextRowSpan = image.DangerousGetRowSpan(rowIndex + 1);
                 PixelOperations<TPixel>.Instance.ToBgra32(configuration, rowSpan, bgraRow0);
                 PixelOperations<TPixel>.Instance.ToBgra32(configuration, nextRowSpan, bgraRow1);
 
@@ -73,7 +73,7 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossy
             // Extra last row.
             if ((height & 1) != 0)
             {
-                Span<TPixel> rowSpan = image.GetPixelRowSpan(rowIndex);
+                Span<TPixel> rowSpan = image.DangerousGetRowSpan(rowIndex);
                 PixelOperations<TPixel>.Instance.ToBgra32(configuration, rowSpan, bgraRow0);
                 ConvertRgbaToY(bgraRow0, y.Slice(rowIndex * width), width);
 

src/ImageSharp/ImageFrame{TPixel}.cs

@@ -177,24 +177,6 @@ namespace SixLabors.ImageSharp
             }
         }
 
-        /// <summary>
-        /// Gets the representation of the pixels as a <see cref="Span{T}"/> of contiguous memory
-        /// at row <paramref name="rowIndex"/> beginning from the first pixel on that row.
-        /// <para />
-        /// WARNING: Disposing or leaking the underlying image while still working with it's <see cref="Span{T}"/>
-        /// might lead to memory corruption.
-        /// </summary>
-        /// <param name="rowIndex">The row.</param>
-        /// <returns>The <see cref="Span{TPixel}"/></returns>
-        /// <exception cref="ArgumentOutOfRangeException">Thrown when row index is out of range.</exception>
-        public Span<TPixel> GetPixelRowSpan(int rowIndex)
-        {
-            Guard.MustBeGreaterThanOrEqualTo(rowIndex, 0, nameof(rowIndex));
-            Guard.MustBeLessThan(rowIndex, this.Height, nameof(rowIndex));
-
-            return this.PixelBuffer.DangerousGetRowSpan(rowIndex);
-        }
-
         /// <summary>
         /// Execute <paramref name="processPixels"/> to process image pixels in a safe and efficient manner.
         /// </summary>
@@ -418,7 +400,7 @@ namespace SixLabors.ImageSharp
             }
 
             var target = new ImageFrame<TPixel2>(configuration, this.Width, this.Height, this.Metadata.DeepClone());
-            var operation = new RowIntervalOperation<TPixel2>(this, target, configuration);
+            var operation = new RowIntervalOperation<TPixel2>(this.PixelBuffer, target.PixelBuffer, configuration);
 
             ParallelRowIterator.IterateRowIntervals(
                 configuration,
@@ -472,14 +454,14 @@ namespace SixLabors.ImageSharp
         private readonly struct RowIntervalOperation<TPixel2> : IRowIntervalOperation
             where TPixel2 : unmanaged, IPixel<TPixel2>
         {
-            private readonly ImageFrame<TPixel> source;
-            private readonly ImageFrame<TPixel2> target;
+            private readonly Buffer2D<TPixel> source;
+            private readonly Buffer2D<TPixel2> target;
             private readonly Configuration configuration;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public RowIntervalOperation(
-                ImageFrame<TPixel> source,
-                ImageFrame<TPixel2> target,
+                Buffer2D<TPixel> source,
+                Buffer2D<TPixel2> target,
                 Configuration configuration)
             {
                 this.source = source;
@@ -493,8 +475,8 @@ namespace SixLabors.ImageSharp
             {
                 for (int y = rows.Min; y < rows.Max; y++)
                 {
-                    Span<TPixel> sourceRow = this.source.GetPixelRowSpan(y);
-                    Span<TPixel2> targetRow = this.target.GetPixelRowSpan(y);
+                    Span<TPixel> sourceRow = this.source.DangerousGetRowSpan(y);
+                    Span<TPixel2> targetRow = this.target.DangerousGetRowSpan(y);
                     PixelOperations<TPixel>.Instance.To(this.configuration, sourceRow, targetRow);
                 }
             }

src/ImageSharp/Image{TPixel}.cs

@@ -310,7 +310,7 @@ namespace SixLabors.ImageSharp
         /// <param name="rowIndex">The row.</param>
         /// <returns>The <see cref="Span{TPixel}"/></returns>
         /// <exception cref="ArgumentOutOfRangeException">Thrown when row index is out of range.</exception>
-        public Span<TPixel> GetPixelRowSpan(int rowIndex)
+        public Span<TPixel> DangerousGetRowSpan(int rowIndex)
         {
             Guard.MustBeGreaterThanOrEqualTo(rowIndex, 0, nameof(rowIndex));
             Guard.MustBeLessThan(rowIndex, this.Height, nameof(rowIndex));

src/ImageSharp/IndexedImageFrame{TPixel}.cs

@@ -82,7 +82,7 @@ namespace SixLabors.ImageSharp
         /// <param name="rowIndex">The row index in the pixel buffer.</param>
         /// <returns>The pixel row as a <see cref="ReadOnlySpan{T}"/>.</returns>
         [MethodImpl(InliningOptions.ShortMethod)]
-        public ReadOnlySpan<byte> GetPixelRowSpan(int rowIndex)
+        public ReadOnlySpan<byte> DangerousGetRowSpan(int rowIndex)
             => this.GetWritablePixelRowSpanUnsafe(rowIndex);
 
         /// <summary>

src/ImageSharp/Memory/Allocators/ArrayPoolMemoryAllocator.CommonFactoryMethods.cs

@@ -36,7 +36,7 @@ namespace SixLabors.ImageSharp.Memory
         /// This is the default. Should be good for most use cases.
         /// </summary>
         /// <returns>The memory manager.</returns>
-        public static new ArrayPoolMemoryAllocator CreateDefault()
+        public static ArrayPoolMemoryAllocator CreateDefault()
         {
             return new ArrayPoolMemoryAllocator(
                 DefaultMaxPooledBufferSizeInBytes,

src/ImageSharp/Memory/Allocators/Internals/SharedArrayPoolBuffer{T}.cs

@@ -22,7 +22,7 @@ namespace SixLabors.ImageSharp.Memory.Internals
 
         // The worst thing that could happen is that a VERY poorly written user code holding a Span<TPixel> on the stack,
         // while loosing the reference to Image<TPixel> (or disposing it) may write to an unrelated ArrayPool array.
-        // This is an unlikely scenario we mitigate by a warning in GetPixelRowSpan(i) APIs.
+        // This is an unlikely scenario we mitigate by a warning in DangerousGetRowSpan(i) APIs.
 #pragma warning disable CA2015 // Adding a finalizer to a type derived from MemoryManager<T> may permit memory to be freed while it is still in use by a Span<T>
         ~SharedArrayPoolBuffer() => this.Dispose(false);
 #pragma warning restore

src/ImageSharp/Memory/Allocators/Internals/UniformUnmanagedMemoryPool.Buffer{T}.cs

@@ -50,7 +50,7 @@ namespace SixLabors.ImageSharp.Memory.Internals
             // A VERY poorly written user code holding a Span<TPixel> on the stack,
             // while loosing the reference to Image<TPixel> (or disposing it) may write to (now unrelated) pool buffer,
             // or cause memory corruption if the underlying UmnanagedMemoryHandle has been released.
-            // This is an unlikely scenario we mitigate a warning in GetPixelRowSpan(i) APIs.
+            // This is an unlikely scenario we mitigate a warning in DangerousGetRowSpan(i) APIs.
 #pragma warning disable CA2015 // Adding a finalizer to a type derived from MemoryManager<T> may permit memory to be freed while it is still in use by a Span<T>
             ~FinalizableBuffer() => this.Dispose(false);
 #pragma warning  restore

src/ImageSharp/Memory/Buffer2DExtensions.cs

@@ -111,10 +111,16 @@ namespace SixLabors.ImageSharp.Memory
         /// <param name="buffer">The <see cref="Buffer2D{T}"/></param>
         /// <returns>The <see cref="Size{T}"/> of the buffer</returns>
         internal static Size Size<T>(this Buffer2D<T> buffer)
-            where T : struct
-        {
-            return new Size(buffer.Width, buffer.Height);
-        }
+            where T : struct =>
+            new(buffer.Width, buffer.Height);
+
+        /// <summary>
+        /// Gets the bounds of the buffer.
+        /// </summary>
+        /// <returns>The <see cref="Rectangle"/></returns>
+        internal static Rectangle Bounds<T>(this Buffer2D<T> buffer)
+            where T : struct =>
+            new(0, 0, buffer.Width, buffer.Height);
 
         [Conditional("DEBUG")]
         private static void CheckColumnRegionsDoNotOverlap<T>(

src/ImageSharp/Processing/Extensions/ProcessingExtensions.IntegralImage.cs

@@ -34,7 +34,7 @@ namespace SixLabors.ImageSharp.Processing
             using (IMemoryOwner<L8> tempRow = configuration.MemoryAllocator.Allocate<L8>(source.Width))
             {
                 Span<L8> tempSpan = tempRow.GetSpan();
-                Span<TPixel> sourceRow = source.GetPixelRowSpan(0);
+                Span<TPixel> sourceRow = source.DangerousGetRowSpan(0);
                 Span<ulong> destRow = intImage.DangerousGetRowSpan(0);
 
                 PixelOperations<TPixel>.Instance.ToL8(configuration, sourceRow, tempSpan);
@@ -51,7 +51,7 @@ namespace SixLabors.ImageSharp.Processing
                 // All other rows
                 for (int y = 1; y < endY; y++)
                 {
-                    sourceRow = source.GetPixelRowSpan(y);
+                    sourceRow = source.DangerousGetRowSpan(y);
                     destRow = intImage.DangerousGetRowSpan(y);
 
                     PixelOperations<TPixel>.Instance.ToL8(configuration, sourceRow, tempSpan);

src/ImageSharp/Processing/Processors/Binarization/AdaptiveThresholdProcessor{TPixel}.cs

@@ -52,6 +52,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
             // ClusterSize defines the size of cluster to used to check for average. Tweaked to support up to 4k wide pixels and not more. 4096 / 16 is 256 thus the '-1'
             byte clusterSize = (byte)Math.Truncate((width / 16f) - 1);
 
+            Buffer2D<TPixel> sourceBuffer = source.PixelBuffer;
+
             // Using pooled 2d buffer for integer image table and temp memory to hold Rgb24 converted pixel data.
             using (Buffer2D<ulong> intImage = this.Configuration.MemoryAllocator.Allocate2D<ulong>(width, height))
             {
@@ -61,7 +63,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
                     ulong sum = 0;
                     for (int y = startY; y < endY; y++)
                     {
-                        Span<TPixel> row = source.GetPixelRowSpan(y);
+                        Span<TPixel> row = sourceBuffer.DangerousGetRowSpan(y);
                         ref TPixel rowRef = ref MemoryMarshal.GetReference(row);
                         ref TPixel color = ref Unsafe.Add(ref rowRef, x);
                         color.ToRgba32(ref rgb);
@@ -79,7 +81,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
                     }
                 }
 
-                var operation = new RowOperation(intersect, source, intImage, upper, lower, thresholdLimit, clusterSize, startX, endX, startY);
+                var operation = new RowOperation(intersect, source.PixelBuffer, intImage, upper, lower, thresholdLimit, clusterSize, startX, endX, startY);
                 ParallelRowIterator.IterateRows(
                     configuration,
                     intersect,
@@ -90,7 +92,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
         private readonly struct RowOperation : IRowOperation
         {
             private readonly Rectangle bounds;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
             private readonly Buffer2D<ulong> intImage;
             private readonly TPixel upper;
             private readonly TPixel lower;
@@ -103,7 +105,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
             [MethodImpl(InliningOptions.ShortMethod)]
             public RowOperation(
                 Rectangle bounds,
-                ImageFrame<TPixel> source,
+                Buffer2D<TPixel> source,
                 Buffer2D<ulong> intImage,
                 TPixel upper,
                 TPixel lower,
@@ -130,7 +132,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
             public void Invoke(int y)
             {
                 Rgba32 rgb = default;
-                Span<TPixel> pixelRow = this.source.GetPixelRowSpan(y);
+                Span<TPixel> pixelRow = this.source.DangerousGetRowSpan(y);
 
                 for (int x = this.startX; x < this.endX; x++)
                 {

src/ImageSharp/Processing/Processors/Binarization/BinaryThresholdProcessor{TPixel}.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Runtime.CompilerServices;
 using SixLabors.ImageSharp.Advanced;
+using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 
 namespace SixLabors.ImageSharp.Processing.Processors.Binarization
@@ -41,7 +42,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
             var interest = Rectangle.Intersect(sourceRectangle, source.Bounds());
             var operation = new RowOperation(
                 interest.X,
-                source,
+                source.PixelBuffer,
                 upper,
                 lower,
                 threshold,
@@ -59,7 +60,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
         /// </summary>
         private readonly struct RowOperation : IRowOperation<Rgb24>
         {
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
             private readonly TPixel upper;
             private readonly TPixel lower;
             private readonly byte threshold;
@@ -70,7 +71,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
             [MethodImpl(InliningOptions.ShortMethod)]
             public RowOperation(
                 int startX,
-                ImageFrame<TPixel> source,
+                Buffer2D<TPixel> source,
                 TPixel upper,
                 TPixel lower,
                 byte threshold,
@@ -93,7 +94,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Binarization
                 TPixel upper = this.upper;
                 TPixel lower = this.lower;
 
-                Span<TPixel> rowSpan = this.source.GetPixelRowSpan(y).Slice(this.startX, span.Length);
+                Span<TPixel> rowSpan = this.source.DangerousGetRowSpan(y).Slice(this.startX, span.Length);
                 PixelOperations<TPixel>.Instance.ToRgb24(this.configuration, rowSpan, span);
 
                 switch (this.mode)

src/ImageSharp/Processing/Processors/Dithering/ErrorDither.cs

@@ -5,6 +5,7 @@ using System;
 using System.Numerics;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
+using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing.Processors.Quantization;
 
@@ -105,14 +106,15 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering
             int offsetY = bounds.Top;
             int offsetX = bounds.Left;
             float scale = quantizer.Options.DitherScale;
+            Buffer2D<TPixel> sourceBuffer = source.PixelBuffer;
 
             for (int y = bounds.Top; y < bounds.Bottom; y++)
             {
                 // Unsafe optimizations undone temporarily.
                 // Sporadic local AccessViolationException indicates possible indexing bug.
-                // ref TPixel sourceRowRef = ref MemoryMarshal.GetReference(source.GetPixelRowSpan(y));
+                // ref TPixel sourceRowRef = ref MemoryMarshal.GetReference(source.DangerousGetRowSpan(y));
                 // ref byte destinationRowRef = ref MemoryMarshal.GetReference(destination.GetWritablePixelRowSpanUnsafe(y - offsetY));
-                Span<TPixel> sourceSpan = source.GetPixelRowSpan(y);
+                Span<TPixel> sourceSpan = sourceBuffer.DangerousGetRowSpan(y);
                 Span<byte> destSpan = destination.GetWritablePixelRowSpanUnsafe(y - offsetY);
 
                 for (int x = bounds.Left; x < bounds.Right; x++)
@@ -140,10 +142,11 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering
                 ThrowDefaultInstance();
             }
 
+            Buffer2D<TPixel> sourceBuffer = source.PixelBuffer;
             float scale = processor.DitherScale;
             for (int y = bounds.Top; y < bounds.Bottom; y++)
             {
-                ref TPixel sourceRowRef = ref MemoryMarshal.GetReference(source.GetPixelRowSpan(y));
+                ref TPixel sourceRowRef = ref MemoryMarshal.GetReference(sourceBuffer.DangerousGetRowSpan(y));
                 for (int x = bounds.Left; x < bounds.Right; x++)
                 {
                     ref TPixel sourcePixel = ref Unsafe.Add(ref sourceRowRef, x);
@@ -177,6 +180,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering
 
             int offset = this.offset;
             DenseMatrix<float> matrix = this.matrix;
+            Buffer2D<TPixel> imageBuffer = image.PixelBuffer;
 
             // Loop through and distribute the error amongst neighboring pixels.
             for (int row = 0, targetY = y; row < matrix.Rows; row++, targetY++)
@@ -186,7 +190,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering
                     continue;
                 }
 
-                Span<TPixel> rowSpan = image.GetPixelRowSpan(targetY);
+                Span<TPixel> rowSpan = imageBuffer.DangerousGetRowSpan(targetY);
 
                 for (int col = 0; col < matrix.Columns; col++)
                 {

src/ImageSharp/Processing/Processors/Dithering/OrderedDither.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Runtime.CompilerServices;
+using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing.Processors.Quantization;
 
@@ -118,10 +119,11 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering
 
             int spread = CalculatePaletteSpread(destination.Palette.Length);
             float scale = quantizer.Options.DitherScale;
+            Buffer2D<TPixel> sourceBuffer = source.PixelBuffer;
 
             for (int y = bounds.Top; y < bounds.Bottom; y++)
             {
-                ReadOnlySpan<TPixel> sourceRow = source.GetPixelRowSpan(y).Slice(bounds.X, bounds.Width);
+                ReadOnlySpan<TPixel> sourceRow = sourceBuffer.DangerousGetRowSpan(y).Slice(bounds.X, bounds.Width);
                 Span<byte> destRow = destination.GetWritablePixelRowSpanUnsafe(y - bounds.Y).Slice(0, sourceRow.Length);
 
                 for (int x = 0; x < sourceRow.Length; x++)
@@ -148,10 +150,11 @@ namespace SixLabors.ImageSharp.Processing.Processors.Dithering
 
             int spread = CalculatePaletteSpread(processor.Palette.Length);
             float scale = processor.DitherScale;
+            Buffer2D<TPixel> sourceBuffer = source.PixelBuffer;
 
             for (int y = bounds.Top; y < bounds.Bottom; y++)
             {
-                Span<TPixel> row = source.GetPixelRowSpan(y).Slice(bounds.X, bounds.Width);
+                Span<TPixel> row = sourceBuffer.DangerousGetRowSpan(y).Slice(bounds.X, bounds.Width);
 
                 for (int x = 0; x < row.Length; x++)
                 {

src/ImageSharp/Processing/Processors/Drawing/DrawImageProcessor{TPixelBg,TPixelFg}.cs

@@ -99,7 +99,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Drawing
                     "Cannot draw image because the source image does not overlap the target image.");
             }
 
-            var operation = new RowOperation(source, targetImage, blender, configuration, minX, width, locationY, targetX, this.Opacity);
+            var operation = new RowOperation(source.PixelBuffer, targetImage.Frames.RootFrame.PixelBuffer, blender, configuration, minX, width, locationY, targetX, this.Opacity);
             ParallelRowIterator.IterateRows(
                 configuration,
                 workingRect,
@@ -111,8 +111,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Drawing
         /// </summary>
         private readonly struct RowOperation : IRowOperation
         {
-            private readonly ImageFrame<TPixelBg> sourceFrame;
-            private readonly Image<TPixelFg> targetImage;
+            private readonly Buffer2D<TPixelBg> source;
+            private readonly Buffer2D<TPixelFg> target;
             private readonly PixelBlender<TPixelBg> blender;
             private readonly Configuration configuration;
             private readonly int minX;
@@ -123,8 +123,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Drawing
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public RowOperation(
-                ImageFrame<TPixelBg> sourceFrame,
-                Image<TPixelFg> targetImage,
+                Buffer2D<TPixelBg> source,
+                Buffer2D<TPixelFg> target,
                 PixelBlender<TPixelBg> blender,
                 Configuration configuration,
                 int minX,
@@ -133,8 +133,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Drawing
                 int targetX,
                 float opacity)
             {
-                this.sourceFrame = sourceFrame;
-                this.targetImage = targetImage;
+                this.source = source;
+                this.target = target;
                 this.blender = blender;
                 this.configuration = configuration;
                 this.minX = minX;
@@ -148,8 +148,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Drawing
             [MethodImpl(InliningOptions.ShortMethod)]
             public void Invoke(int y)
             {
-                Span<TPixelBg> background = this.sourceFrame.GetPixelRowSpan(y).Slice(this.minX, this.width);
-                Span<TPixelFg> foreground = this.targetImage.GetPixelRowSpan(y - this.locationY).Slice(this.targetX, this.width);
+                Span<TPixelBg> background = this.source.DangerousGetRowSpan(y).Slice(this.minX, this.width);
+                Span<TPixelFg> foreground = this.target.DangerousGetRowSpan(y - this.locationY).Slice(this.targetX, this.width);
                 this.blender.Blend<TPixelFg>(this.configuration, background, background, foreground, this.opacity);
             }
         }

src/ImageSharp/Processing/Processors/Effects/OilPaintingProcessor{TPixel}.cs

@@ -47,7 +47,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
 
             source.CopyTo(targetPixels);
 
-            var operation = new RowIntervalOperation(this.SourceRectangle, targetPixels, source, this.Configuration, brushSize >> 1, this.definition.Levels);
+            var operation = new RowIntervalOperation(this.SourceRectangle, targetPixels, source.PixelBuffer, this.Configuration, brushSize >> 1, this.definition.Levels);
             ParallelRowIterator.IterateRowIntervals(
                 this.Configuration,
                 this.SourceRectangle,
@@ -63,7 +63,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
         {
             private readonly Rectangle bounds;
             private readonly Buffer2D<TPixel> targetPixels;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
             private readonly Configuration configuration;
             private readonly int radius;
             private readonly int levels;
@@ -72,7 +72,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
             public RowIntervalOperation(
                 Rectangle bounds,
                 Buffer2D<TPixel> targetPixels,
-                ImageFrame<TPixel> source,
+                Buffer2D<TPixel> source,
                 Configuration configuration,
                 int radius,
                 int levels)
@@ -120,7 +120,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
 
                 for (int y = rows.Min; y < rows.Max; y++)
                 {
-                    Span<TPixel> sourceRowPixelSpan = this.source.GetPixelRowSpan(y);
+                    Span<TPixel> sourceRowPixelSpan = this.source.DangerousGetRowSpan(y);
                     Span<TPixel> sourceRowAreaPixelSpan = sourceRowPixelSpan.Slice(this.bounds.X, this.bounds.Width);
 
                     PixelOperations<TPixel>.Instance.ToVector4(this.configuration, sourceRowAreaPixelSpan, sourceRowAreaVector4Span);
@@ -139,7 +139,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
                             int offsetY = y + fyr;
                             offsetY = Numerics.Clamp(offsetY, 0, maxY);
 
-                            Span<TPixel> sourceOffsetRow = this.source.GetPixelRowSpan(offsetY);
+                            Span<TPixel> sourceOffsetRow = this.source.DangerousGetRowSpan(offsetY);
 
                             for (int fx = 0; fx <= this.radius; fx++)
                             {

src/ImageSharp/Processing/Processors/Effects/PixelRowDelegateProcessor{TPixel,TDelegate}.cs

@@ -50,7 +50,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
         protected override void OnFrameApply(ImageFrame<TPixel> source)
         {
             var interest = Rectangle.Intersect(this.SourceRectangle, source.Bounds());
-            var operation = new RowOperation(interest.X, source, this.Configuration, this.modifiers, this.rowDelegate);
+            var operation = new RowOperation(interest.X, source.PixelBuffer, this.Configuration, this.modifiers, this.rowDelegate);
 
             ParallelRowIterator.IterateRows<RowOperation, Vector4>(
                 this.Configuration,
@@ -64,7 +64,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
         private readonly struct RowOperation : IRowOperation<Vector4>
         {
             private readonly int startX;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
             private readonly Configuration configuration;
             private readonly PixelConversionModifiers modifiers;
             private readonly TDelegate rowProcessor;
@@ -72,7 +72,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
             [MethodImpl(InliningOptions.ShortMethod)]
             public RowOperation(
                 int startX,
-                ImageFrame<TPixel> source,
+                Buffer2D<TPixel> source,
                 Configuration configuration,
                 PixelConversionModifiers modifiers,
                 in TDelegate rowProcessor)
@@ -88,7 +88,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
             [MethodImpl(InliningOptions.ShortMethod)]
             public void Invoke(int y, Span<Vector4> span)
             {
-                Span<TPixel> rowSpan = this.source.GetPixelRowSpan(y).Slice(this.startX, span.Length);
+                Span<TPixel> rowSpan = this.source.DangerousGetRowSpan(y).Slice(this.startX, span.Length);
                 PixelOperations<TPixel>.Instance.ToVector4(this.configuration, rowSpan, span, this.modifiers);
 
                 // Run the user defined pixel shader to the current row of pixels

src/ImageSharp/Processing/Processors/Effects/PixelateProcessor{TPixel}.cs

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using System.Threading.Tasks;
 using SixLabors.ImageSharp.Advanced;
+using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 
 namespace SixLabors.ImageSharp.Processing.Processors.Effects
@@ -48,7 +49,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
             Parallel.ForEach(
             range,
             this.Configuration.GetParallelOptions(),
-            new RowOperation(interest, size, source).Invoke);
+            new RowOperation(interest, size, source.PixelBuffer).Invoke);
         }
 
         private readonly struct RowOperation
@@ -60,13 +61,13 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
             private readonly int maxYIndex;
             private readonly int size;
             private readonly int radius;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public RowOperation(
                 Rectangle bounds,
                 int size,
-                ImageFrame<TPixel> source)
+                Buffer2D<TPixel> source)
             {
                 this.minX = bounds.X;
                 this.maxX = bounds.Right;
@@ -81,7 +82,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Effects
             [MethodImpl(InliningOptions.ShortMethod)]
             public void Invoke(int y)
             {
-                Span<TPixel> rowSpan = this.source.GetPixelRowSpan(Math.Min(y + this.radius, this.maxYIndex));
+                Span<TPixel> rowSpan = this.source.DangerousGetRowSpan(Math.Min(y + this.radius, this.maxYIndex));
 
                 for (int x = this.minX; x < this.maxX; x += this.size)
                 {

src/ImageSharp/Processing/Processors/Filters/FilterProcessor{TPixel}.cs

@@ -36,7 +36,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Filters
         protected override void OnFrameApply(ImageFrame<TPixel> source)
         {
             var interest = Rectangle.Intersect(this.SourceRectangle, source.Bounds());
-            var operation = new RowOperation(interest.X, source, this.definition.Matrix, this.Configuration);
+            var operation = new RowOperation(interest.X, source.PixelBuffer, this.definition.Matrix, this.Configuration);
 
             ParallelRowIterator.IterateRows<RowOperation, Vector4>(
                 this.Configuration,
@@ -50,14 +50,14 @@ namespace SixLabors.ImageSharp.Processing.Processors.Filters
         private readonly struct RowOperation : IRowOperation<Vector4>
         {
             private readonly int startX;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
             private readonly ColorMatrix matrix;
             private readonly Configuration configuration;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public RowOperation(
                 int startX,
-                ImageFrame<TPixel> source,
+                Buffer2D<TPixel> source,
                 ColorMatrix matrix,
                 Configuration configuration)
             {
@@ -71,7 +71,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Filters
             [MethodImpl(InliningOptions.ShortMethod)]
             public void Invoke(int y, Span<Vector4> span)
             {
-                Span<TPixel> rowSpan = this.source.GetPixelRowSpan(y).Slice(this.startX, span.Length);
+                Span<TPixel> rowSpan = this.source.DangerousGetRowSpan(y).Slice(this.startX, span.Length);
                 PixelOperations<TPixel>.Instance.ToVector4(this.configuration, rowSpan, span, PixelConversionModifiers.Scale);
 
                 ColorNumerics.Transform(span, ref Unsafe.AsRef(this.matrix));

src/ImageSharp/Processing/Processors/Filters/OpaqueProcessor{TPixel}.cs

@@ -6,6 +6,7 @@ using System.Numerics;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using SixLabors.ImageSharp.Advanced;
+using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 
 namespace SixLabors.ImageSharp.Processing.Processors.Filters
@@ -25,20 +26,20 @@ namespace SixLabors.ImageSharp.Processing.Processors.Filters
         {
             var interest = Rectangle.Intersect(this.SourceRectangle, source.Bounds());
 
-            var operation = new OpaqueRowOperation(this.Configuration, source, interest);
+            var operation = new OpaqueRowOperation(this.Configuration, source.PixelBuffer, interest);
             ParallelRowIterator.IterateRows<OpaqueRowOperation, Vector4>(this.Configuration, interest, in operation);
         }
 
         private readonly struct OpaqueRowOperation : IRowOperation<Vector4>
         {
             private readonly Configuration configuration;
-            private readonly ImageFrame<TPixel> target;
+            private readonly Buffer2D<TPixel> target;
             private readonly Rectangle bounds;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public OpaqueRowOperation(
                 Configuration configuration,
-                ImageFrame<TPixel> target,
+                Buffer2D<TPixel> target,
                 Rectangle bounds)
             {
                 this.configuration = configuration;
@@ -50,7 +51,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Filters
             [MethodImpl(InliningOptions.ShortMethod)]
             public void Invoke(int y, Span<Vector4> span)
             {
-                Span<TPixel> targetRowSpan = this.target.GetPixelRowSpan(y).Slice(this.bounds.X);
+                Span<TPixel> targetRowSpan = this.target.DangerousGetRowSpan(y).Slice(this.bounds.X);
                 PixelOperations<TPixel>.Instance.ToVector4(this.configuration, targetRowSpan.Slice(0, span.Length), span, PixelConversionModifiers.Scale);
                 ref Vector4 baseRef = ref MemoryMarshal.GetReference(span);
 

src/ImageSharp/Processing/Processors/Normalization/AdaptiveHistogramEqualizationProcessor{TPixel}.cs

@@ -80,37 +80,37 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                     yStart += tileHeight;
                 }
 
-                var operation = new RowIntervalOperation(cdfData, tileYStartPositions, tileWidth, tileHeight, tileCount, halfTileWidth, luminanceLevels, source);
+                var operation = new RowIntervalOperation(cdfData, tileYStartPositions, tileWidth, tileHeight, tileCount, halfTileWidth, luminanceLevels, source.PixelBuffer);
                 ParallelRowIterator.IterateRowIntervals(
                     this.Configuration,
                     new Rectangle(0, 0, sourceWidth, tileYStartPositions.Count),
                     in operation);
 
                 // Fix left column
-                ProcessBorderColumn(source, cdfData, 0, sourceHeight, this.Tiles, tileHeight, xStart: 0, xEnd: halfTileWidth, luminanceLevels);
+                ProcessBorderColumn(source.PixelBuffer, cdfData, 0, sourceHeight, this.Tiles, tileHeight, xStart: 0, xEnd: halfTileWidth, luminanceLevels);
 
                 // Fix right column
                 int rightBorderStartX = ((this.Tiles - 1) * tileWidth) + halfTileWidth;
-                ProcessBorderColumn(source, cdfData, this.Tiles - 1, sourceHeight, this.Tiles, tileHeight, xStart: rightBorderStartX, xEnd: sourceWidth, luminanceLevels);
+                ProcessBorderColumn(source.PixelBuffer, cdfData, this.Tiles - 1, sourceHeight, this.Tiles, tileHeight, xStart: rightBorderStartX, xEnd: sourceWidth, luminanceLevels);
 
                 // Fix top row
-                ProcessBorderRow(source, cdfData, 0, sourceWidth, this.Tiles, tileWidth, yStart: 0, yEnd: halfTileHeight, luminanceLevels);
+                ProcessBorderRow(source.PixelBuffer, cdfData, 0, sourceWidth, this.Tiles, tileWidth, yStart: 0, yEnd: halfTileHeight, luminanceLevels);
 
                 // Fix bottom row
                 int bottomBorderStartY = ((this.Tiles - 1) * tileHeight) + halfTileHeight;
-                ProcessBorderRow(source, cdfData, this.Tiles - 1, sourceWidth, this.Tiles, tileWidth, yStart: bottomBorderStartY, yEnd: sourceHeight, luminanceLevels);
+                ProcessBorderRow(source.PixelBuffer, cdfData, this.Tiles - 1, sourceWidth, this.Tiles, tileWidth, yStart: bottomBorderStartY, yEnd: sourceHeight, luminanceLevels);
 
                 // Left top corner
-                ProcessCornerTile(source, cdfData, 0, 0, xStart: 0, xEnd: halfTileWidth, yStart: 0, yEnd: halfTileHeight, luminanceLevels);
+                ProcessCornerTile(source.PixelBuffer, cdfData, 0, 0, xStart: 0, xEnd: halfTileWidth, yStart: 0, yEnd: halfTileHeight, luminanceLevels);
 
                 // Left bottom corner
-                ProcessCornerTile(source, cdfData, 0, this.Tiles - 1, xStart: 0, xEnd: halfTileWidth, yStart: bottomBorderStartY, yEnd: sourceHeight, luminanceLevels);
+                ProcessCornerTile(source.PixelBuffer, cdfData, 0, this.Tiles - 1, xStart: 0, xEnd: halfTileWidth, yStart: bottomBorderStartY, yEnd: sourceHeight, luminanceLevels);
 
                 // Right top corner
-                ProcessCornerTile(source, cdfData, this.Tiles - 1, 0, xStart: rightBorderStartX, xEnd: sourceWidth, yStart: 0, yEnd: halfTileHeight, luminanceLevels);
+                ProcessCornerTile(source.PixelBuffer, cdfData, this.Tiles - 1, 0, xStart: rightBorderStartX, xEnd: sourceWidth, yStart: 0, yEnd: halfTileHeight, luminanceLevels);
 
                 // Right bottom corner
-                ProcessCornerTile(source, cdfData, this.Tiles - 1, this.Tiles - 1, xStart: rightBorderStartX, xEnd: sourceWidth, yStart: bottomBorderStartY, yEnd: sourceHeight, luminanceLevels);
+                ProcessCornerTile(source.PixelBuffer, cdfData, this.Tiles - 1, this.Tiles - 1, xStart: rightBorderStartX, xEnd: sourceWidth, yStart: bottomBorderStartY, yEnd: sourceHeight, luminanceLevels);
             }
         }
 
@@ -130,7 +130,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
         /// or 65536 for 16-bit grayscale images.
         /// </param>
         private static void ProcessCornerTile(
-            ImageFrame<TPixel> source,
+            Buffer2D<TPixel> source,
             CdfTileData cdfData,
             int cdfX,
             int cdfY,
@@ -142,7 +142,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
         {
             for (int dy = yStart; dy < yEnd; dy++)
             {
-                Span<TPixel> rowSpan = source.GetPixelRowSpan(dy);
+                Span<TPixel> rowSpan = source.DangerousGetRowSpan(dy);
                 for (int dx = xStart; dx < xEnd; dx++)
                 {
                     ref TPixel pixel = ref rowSpan[dx];
@@ -168,7 +168,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
         /// or 65536 for 16-bit grayscale images.
         /// </param>
         private static void ProcessBorderColumn(
-            ImageFrame<TPixel> source,
+            Buffer2D<TPixel> source,
             CdfTileData cdfData,
             int cdfX,
             int sourceHeight,
@@ -188,7 +188,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                 int tileY = 0;
                 for (int dy = y; dy < yLimit; dy++)
                 {
-                    Span<TPixel> rowSpan = source.GetPixelRowSpan(dy);
+                    Span<TPixel> rowSpan = source.DangerousGetRowSpan(dy);
                     for (int dx = xStart; dx < xEnd; dx++)
                     {
                         ref TPixel pixel = ref rowSpan[dx];
@@ -220,7 +220,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
         /// or 65536 for 16-bit grayscale images.
         /// </param>
         private static void ProcessBorderRow(
-            ImageFrame<TPixel> source,
+            Buffer2D<TPixel> source,
             CdfTileData cdfData,
             int cdfY,
             int sourceWidth,
@@ -238,7 +238,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
             {
                 for (int dy = yStart; dy < yEnd; dy++)
                 {
-                    Span<TPixel> rowSpan = source.GetPixelRowSpan(dy);
+                    Span<TPixel> rowSpan = source.DangerousGetRowSpan(dy);
                     int tileX = 0;
                     int xLimit = Math.Min(x + tileWidth, sourceWidth - 1);
                     for (int dx = x; dx < xLimit; dx++)
@@ -373,7 +373,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
             private readonly int tileCount;
             private readonly int halfTileWidth;
             private readonly int luminanceLevels;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
             private readonly int sourceWidth;
             private readonly int sourceHeight;
 
@@ -386,7 +386,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                 int tileCount,
                 int halfTileWidth,
                 int luminanceLevels,
-                ImageFrame<TPixel> source)
+                Buffer2D<TPixel> source)
             {
                 this.cdfData = cdfData;
                 this.tileYStartPositions = tileYStartPositions;
@@ -419,7 +419,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                         int xEnd = Math.Min(x + this.tileWidth, this.sourceWidth);
                         for (int dy = y; dy < yEnd; dy++)
                         {
-                            Span<TPixel> rowSpan = this.source.GetPixelRowSpan(dy);
+                            Span<TPixel> rowSpan = this.source.DangerousGetRowSpan(dy);
                             int tileX = 0;
                             for (int dx = x; dx < xEnd; dx++)
                             {
@@ -516,7 +516,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                     this.tileWidth,
                     this.tileHeight,
                     this.luminanceLevels,
-                    source);
+                    source.PixelBuffer);
 
                 ParallelRowIterator.IterateRowIntervals(
                     this.configuration,
@@ -560,7 +560,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                 private readonly int tileWidth;
                 private readonly int tileHeight;
                 private readonly int luminanceLevels;
-                private readonly ImageFrame<TPixel> source;
+                private readonly Buffer2D<TPixel> source;
                 private readonly int sourceWidth;
                 private readonly int sourceHeight;
 
@@ -574,7 +574,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                     int tileWidth,
                     int tileHeight,
                     int luminanceLevels,
-                    ImageFrame<TPixel> source)
+                    Buffer2D<TPixel> source)
                 {
                     this.processor = processor;
                     this.allocator = allocator;
@@ -615,7 +615,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                             int xlimit = Math.Min(x + this.tileWidth, this.sourceWidth);
                             for (int dy = y; dy < endY; dy++)
                             {
-                                Span<TPixel> rowSpan = this.source.GetPixelRowSpan(dy);
+                                Span<TPixel> rowSpan = this.source.DangerousGetRowSpan(dy);
                                 for (int dx = x; dx < xlimit; dx++)
                                 {
                                     int luminance = GetLuminance(rowSpan[dx], this.luminanceLevels);

src/ImageSharp/Processing/Processors/Normalization/AdaptiveHistogramEqualizationSlidingWindowProcessor{TPixel}.cs

@@ -189,7 +189,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                 y = source.Height - diff - 1;
             }
 
-            // Special cases for the left and the right border where GetPixelRowSpan can not be used.
+            // Special cases for the left and the right border where DangerousGetRowSpan can not be used.
             if (x < 0)
             {
                 rowPixels.Clear();
@@ -224,7 +224,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                 return;
             }
 
-            this.CopyPixelRowFast(source, rowPixels, x, y, tileWidth, configuration);
+            this.CopyPixelRowFast(source.PixelBuffer, rowPixels, x, y, tileWidth, configuration);
         }
 
         /// <summary>
@@ -238,13 +238,13 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
         /// <param name="configuration">The configuration.</param>
         [MethodImpl(InliningOptions.ShortMethod)]
         private void CopyPixelRowFast(
-            ImageFrame<TPixel> source,
+            Buffer2D<TPixel> source,
             Span<Vector4> rowPixels,
             int x,
             int y,
             int tileWidth,
             Configuration configuration)
-            => PixelOperations<TPixel>.Instance.ToVector4(configuration, source.GetPixelRowSpan(y).Slice(start: x, length: tileWidth), rowPixels);
+            => PixelOperations<TPixel>.Instance.ToVector4(configuration, source.DangerousGetRowSpan(y).Slice(start: x, length: tileWidth), rowPixels);
 
         /// <summary>
         /// Adds a column of grey values to the histogram.
@@ -356,7 +356,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                     {
                         if (this.useFastPath)
                         {
-                            this.processor.CopyPixelRowFast(this.source, pixelRow, x - this.swInfos.HalfTileWidth, dy, this.swInfos.TileWidth, this.configuration);
+                            this.processor.CopyPixelRowFast(this.source.PixelBuffer, pixelRow, x - this.swInfos.HalfTileWidth, dy, this.swInfos.TileWidth, this.configuration);
                         }
                         else
                         {
@@ -390,7 +390,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                         // Remove top most row from the histogram, mirroring rows which exceeds the borders.
                         if (this.useFastPath)
                         {
-                            this.processor.CopyPixelRowFast(this.source, pixelRow, x - this.swInfos.HalfTileWidth, y - this.swInfos.HalfTileWidth, this.swInfos.TileWidth, this.configuration);
+                            this.processor.CopyPixelRowFast(this.source.PixelBuffer, pixelRow, x - this.swInfos.HalfTileWidth, y - this.swInfos.HalfTileWidth, this.swInfos.TileWidth, this.configuration);
                         }
                         else
                         {
@@ -402,7 +402,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
                         // Add new bottom row to the histogram, mirroring rows which exceeds the borders.
                         if (this.useFastPath)
                         {
-                            this.processor.CopyPixelRowFast(this.source, pixelRow, x - this.swInfos.HalfTileWidth, y + this.swInfos.HalfTileWidth, this.swInfos.TileWidth, this.configuration);
+                            this.processor.CopyPixelRowFast(this.source.PixelBuffer, pixelRow, x - this.swInfos.HalfTileWidth, y + this.swInfos.HalfTileWidth, this.swInfos.TileWidth, this.configuration);
                         }
                         else
                         {

src/ImageSharp/Processing/Processors/Normalization/GlobalHistogramEqualizationProcessor{TPixel}.cs

@@ -53,7 +53,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
             using IMemoryOwner<int> histogramBuffer = memoryAllocator.Allocate<int>(this.LuminanceLevels, AllocationOptions.Clean);
 
             // Build the histogram of the grayscale levels.
-            var grayscaleOperation = new GrayscaleLevelsRowOperation(interest, histogramBuffer, source, this.LuminanceLevels);
+            var grayscaleOperation = new GrayscaleLevelsRowOperation(interest, histogramBuffer, source.PixelBuffer, this.LuminanceLevels);
             ParallelRowIterator.IterateRows(
                 this.Configuration,
                 interest,
@@ -76,7 +76,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
             float numberOfPixelsMinusCdfMin = numberOfPixels - cdfMin;
 
             // Apply the cdf to each pixel of the image
-            var cdfOperation = new CdfApplicationRowOperation(interest, cdfBuffer, source, this.LuminanceLevels, numberOfPixelsMinusCdfMin);
+            var cdfOperation = new CdfApplicationRowOperation(interest, cdfBuffer, source.PixelBuffer, this.LuminanceLevels, numberOfPixelsMinusCdfMin);
             ParallelRowIterator.IterateRows(
                 this.Configuration,
                 interest,
@@ -90,14 +90,14 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
         {
             private readonly Rectangle bounds;
             private readonly IMemoryOwner<int> histogramBuffer;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
             private readonly int luminanceLevels;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public GrayscaleLevelsRowOperation(
                 Rectangle bounds,
                 IMemoryOwner<int> histogramBuffer,
-                ImageFrame<TPixel> source,
+                Buffer2D<TPixel> source,
                 int luminanceLevels)
             {
                 this.bounds = bounds;
@@ -116,7 +116,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
             public void Invoke(int y)
             {
                 ref int histogramBase = ref MemoryMarshal.GetReference(this.histogramBuffer.GetSpan());
-                Span<TPixel> pixelRow = this.source.GetPixelRowSpan(y);
+                Span<TPixel> pixelRow = this.source.DangerousGetRowSpan(y);
                 int levels = this.luminanceLevels;
 
                 for (int x = 0; x < this.bounds.Width; x++)
@@ -136,7 +136,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
         {
             private readonly Rectangle bounds;
             private readonly IMemoryOwner<int> cdfBuffer;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
             private readonly int luminanceLevels;
             private readonly float numberOfPixelsMinusCdfMin;
 
@@ -144,7 +144,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
             public CdfApplicationRowOperation(
                 Rectangle bounds,
                 IMemoryOwner<int> cdfBuffer,
-                ImageFrame<TPixel> source,
+                Buffer2D<TPixel> source,
                 int luminanceLevels,
                 float numberOfPixelsMinusCdfMin)
             {
@@ -165,7 +165,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Normalization
             public void Invoke(int y)
             {
                 ref int cdfBase = ref MemoryMarshal.GetReference(this.cdfBuffer.GetSpan());
-                Span<TPixel> pixelRow = this.source.GetPixelRowSpan(y);
+                Span<TPixel> pixelRow = this.source.DangerousGetRowSpan(y);
                 int levels = this.luminanceLevels;
                 float noOfPixelsMinusCdfMin = this.numberOfPixelsMinusCdfMin;
 

src/ImageSharp/Processing/Processors/Overlays/BackgroundColorProcessor{TPixel}.cs

@@ -49,7 +49,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
 
             PixelBlender<TPixel> blender = PixelOperations<TPixel>.Instance.GetPixelBlender(graphicsOptions);
 
-            var operation = new RowOperation(configuration, interest, blender, amount, colors, source);
+            var operation = new RowOperation(configuration, interest, blender, amount, colors, source.PixelBuffer);
             ParallelRowIterator.IterateRows(
                 configuration,
                 interest,
@@ -63,7 +63,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
             private readonly PixelBlender<TPixel> blender;
             private readonly IMemoryOwner<float> amount;
             private readonly IMemoryOwner<TPixel> colors;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public RowOperation(
@@ -72,7 +72,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
                 PixelBlender<TPixel> blender,
                 IMemoryOwner<float> amount,
                 IMemoryOwner<TPixel> colors,
-                ImageFrame<TPixel> source)
+                Buffer2D<TPixel> source)
             {
                 this.configuration = configuration;
                 this.bounds = bounds;
@@ -86,7 +86,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
             public void Invoke(int y)
             {
                 Span<TPixel> destination =
-                    this.source.GetPixelRowSpan(y)
+                    this.source.DangerousGetRowSpan(y)
                         .Slice(this.bounds.X, this.bounds.Width);
 
                 // Switch color & destination in the 2nd and 3rd places because we are

src/ImageSharp/Processing/Processors/Overlays/GlowProcessor{TPixel}.cs

@@ -55,7 +55,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
             using IMemoryOwner<TPixel> rowColors = allocator.Allocate<TPixel>(interest.Width);
             rowColors.GetSpan().Fill(glowColor);
 
-            var operation = new RowOperation(configuration, interest, rowColors, this.blender, center, maxDistance, blendPercent, source);
+            var operation = new RowOperation(configuration, interest, rowColors, this.blender, center, maxDistance, blendPercent, source.PixelBuffer);
             ParallelRowIterator.IterateRows<RowOperation, float>(
                 configuration,
                 interest,
@@ -71,7 +71,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
             private readonly float maxDistance;
             private readonly float blendPercent;
             private readonly IMemoryOwner<TPixel> colors;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public RowOperation(
@@ -82,7 +82,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
                 Vector2 center,
                 float maxDistance,
                 float blendPercent,
-                ImageFrame<TPixel> source)
+                Buffer2D<TPixel> source)
             {
                 this.configuration = configuration;
                 this.bounds = bounds;
@@ -105,7 +105,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
                     span[i] = Numerics.Clamp(this.blendPercent * (1 - (.95F * (distance / this.maxDistance))), 0, 1F);
                 }
 
-                Span<TPixel> destination = this.source.GetPixelRowSpan(y).Slice(this.bounds.X, this.bounds.Width);
+                Span<TPixel> destination = this.source.DangerousGetRowSpan(y).Slice(this.bounds.X, this.bounds.Width);
 
                 this.blender.Blend(
                     this.configuration,

src/ImageSharp/Processing/Processors/Overlays/VignetteProcessor{TPixel}.cs

@@ -63,7 +63,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
             using IMemoryOwner<TPixel> rowColors = allocator.Allocate<TPixel>(interest.Width);
             rowColors.GetSpan().Fill(vignetteColor);
 
-            var operation = new RowOperation(configuration, interest, rowColors, this.blender, center, maxDistance, blendPercent, source);
+            var operation = new RowOperation(configuration, interest, rowColors, this.blender, center, maxDistance, blendPercent, source.PixelBuffer);
             ParallelRowIterator.IterateRows<RowOperation, float>(
                 configuration,
                 interest,
@@ -79,7 +79,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
             private readonly float maxDistance;
             private readonly float blendPercent;
             private readonly IMemoryOwner<TPixel> colors;
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public RowOperation(
@@ -90,7 +90,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
                 Vector2 center,
                 float maxDistance,
                 float blendPercent,
-                ImageFrame<TPixel> source)
+                Buffer2D<TPixel> source)
             {
                 this.configuration = configuration;
                 this.bounds = bounds;
@@ -113,7 +113,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
                     span[i] = Numerics.Clamp(this.blendPercent * (.9F * (distance / this.maxDistance)), 0, 1F);
                 }
 
-                Span<TPixel> destination = this.source.GetPixelRowSpan(y).Slice(this.bounds.X, this.bounds.Width);
+                Span<TPixel> destination = this.source.DangerousGetRowSpan(y).Slice(this.bounds.X, this.bounds.Width);
 
                 this.blender.Blend(
                     this.configuration,

src/ImageSharp/Processing/Processors/Quantization/QuantizeProcessor{TPixel}.cs

@@ -44,11 +44,12 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization
             ReadOnlySpan<TPixel> paletteSpan = quantized.Palette.Span;
             int offsetY = interest.Top;
             int offsetX = interest.Left;
+            Buffer2D<TPixel> sourceBuffer = source.PixelBuffer;
 
             for (int y = interest.Y; y < interest.Height; y++)
             {
-                Span<TPixel> row = source.GetPixelRowSpan(y);
-                ReadOnlySpan<byte> quantizedRow = quantized.GetPixelRowSpan(y - offsetY);
+                Span<TPixel> row = sourceBuffer.DangerousGetRowSpan(y);
+                ReadOnlySpan<byte> quantizedRow = quantized.DangerousGetRowSpan(y - offsetY);
 
                 for (int x = interest.Left; x < interest.Right; x++)
                 {

src/ImageSharp/Processing/Processors/Quantization/QuantizerUtilities.cs

@@ -122,6 +122,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization
             where TPixel : unmanaged, IPixel<TPixel>
         {
             IDither dither = quantizer.Options.Dither;
+            Buffer2D<TPixel> sourceBuffer = source.PixelBuffer;
 
             if (dither is null)
             {
@@ -130,7 +131,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Quantization
 
                 for (int y = bounds.Y; y < bounds.Height; y++)
                 {
-                    Span<TPixel> sourceRow = source.GetPixelRowSpan(y);
+                    Span<TPixel> sourceRow = sourceBuffer.DangerousGetRowSpan(y);
                     Span<byte> destinationRow = destination.GetWritablePixelRowSpanUnsafe(y - offsetY);
 
                     for (int x = bounds.Left; x < bounds.Right; x++)

src/ImageSharp/Processing/Processors/Transforms/CropProcessor{TPixel}.cs

@@ -51,7 +51,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             ParallelExecutionSettings parallelSettings =
                 ParallelExecutionSettings.FromConfiguration(this.Configuration).MultiplyMinimumPixelsPerTask(4);
 
-            var operation = new RowOperation(bounds, source, destination);
+            var operation = new RowOperation(bounds, source.PixelBuffer, destination.PixelBuffer);
 
             ParallelRowIterator.IterateRows(
                 bounds,
@@ -65,8 +65,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         private readonly struct RowOperation : IRowOperation
         {
             private readonly Rectangle bounds;
-            private readonly ImageFrame<TPixel> source;
-            private readonly ImageFrame<TPixel> destination;
+            private readonly Buffer2D<TPixel> source;
+            private readonly Buffer2D<TPixel> destination;
 
             /// <summary>
             /// Initializes a new instance of the <see cref="RowOperation"/> struct.
@@ -75,7 +75,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             /// <param name="source">The source <see cref="Image{TPixel}"/> for the current instance.</param>
             /// <param name="destination">The destination <see cref="Image{TPixel}"/> for the current instance.</param>
             [MethodImpl(InliningOptions.ShortMethod)]
-            public RowOperation(Rectangle bounds, ImageFrame<TPixel> source, ImageFrame<TPixel> destination)
+            public RowOperation(Rectangle bounds, Buffer2D<TPixel> source, Buffer2D<TPixel> destination)
             {
                 this.bounds = bounds;
                 this.source = source;
@@ -86,8 +86,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             [MethodImpl(InliningOptions.ShortMethod)]
             public void Invoke(int y)
             {
-                Span<TPixel> sourceRow = this.source.GetPixelRowSpan(y).Slice(this.bounds.Left);
-                Span<TPixel> targetRow = this.destination.GetPixelRowSpan(y - this.bounds.Top);
+                Span<TPixel> sourceRow = this.source.DangerousGetRowSpan(y).Slice(this.bounds.Left);
+                Span<TPixel> targetRow = this.destination.DangerousGetRowSpan(y - this.bounds.Top);
                 sourceRow.Slice(0, this.bounds.Width).CopyTo(targetRow);
             }
         }

src/ImageSharp/Processing/Processors/Transforms/Linear/AffineTransformProcessor{TPixel}.cs

@@ -73,7 +73,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
 
             if (sampler is NearestNeighborResampler)
             {
-                var nnOperation = new NNAffineOperation(source, destination, matrix);
+                var nnOperation = new NNAffineOperation(source.PixelBuffer, destination.PixelBuffer, matrix);
                 ParallelRowIterator.IterateRows(
                     configuration,
                     destination.Bounds(),
@@ -84,8 +84,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
 
             var operation = new AffineOperation<TResampler>(
                 configuration,
-                source,
-                destination,
+                source.PixelBuffer,
+                destination.PixelBuffer,
                 in sampler,
                 matrix);
 
@@ -97,15 +97,15 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
 
         private readonly struct NNAffineOperation : IRowOperation
         {
-            private readonly ImageFrame<TPixel> source;
-            private readonly ImageFrame<TPixel> destination;
+            private readonly Buffer2D<TPixel> source;
+            private readonly Buffer2D<TPixel> destination;
             private readonly Rectangle bounds;
             private readonly Matrix3x2 matrix;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public NNAffineOperation(
-                ImageFrame<TPixel> source,
-                ImageFrame<TPixel> destination,
+                Buffer2D<TPixel> source,
+                Buffer2D<TPixel> destination,
                 Matrix3x2 matrix)
             {
                 this.source = source;
@@ -117,8 +117,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             [MethodImpl(InliningOptions.ShortMethod)]
             public void Invoke(int y)
             {
-                Buffer2D<TPixel> sourceBuffer = this.source.PixelBuffer;
-                Span<TPixel> destRow = this.destination.GetPixelRowSpan(y);
+                Span<TPixel> destRow = this.destination.DangerousGetRowSpan(y);
 
                 for (int x = 0; x < destRow.Length; x++)
                 {
@@ -128,7 +127,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
 
                     if (this.bounds.Contains(px, py))
                     {
-                        destRow[x] = sourceBuffer.GetElementUnsafe(px, py);
+                        destRow[x] = this.source.GetElementUnsafe(px, py);
                     }
                 }
             }
@@ -138,8 +137,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             where TResampler : struct, IResampler
         {
             private readonly Configuration configuration;
-            private readonly ImageFrame<TPixel> source;
-            private readonly ImageFrame<TPixel> destination;
+            private readonly Buffer2D<TPixel> source;
+            private readonly Buffer2D<TPixel> destination;
             private readonly TResampler sampler;
             private readonly Matrix3x2 matrix;
             private readonly float yRadius;
@@ -148,8 +147,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             [MethodImpl(InliningOptions.ShortMethod)]
             public AffineOperation(
                 Configuration configuration,
-                ImageFrame<TPixel> source,
-                ImageFrame<TPixel> destination,
+                Buffer2D<TPixel> source,
+                Buffer2D<TPixel> destination,
                 in TResampler sampler,
                 Matrix3x2 matrix)
             {
@@ -186,11 +185,9 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                 int maxY = this.source.Height - 1;
                 int maxX = this.source.Width - 1;
 
-                Buffer2D<TPixel> sourceBuffer = this.source.PixelBuffer;
-
                 for (int y = rows.Min; y < rows.Max; y++)
                 {
-                    Span<TPixel> rowSpan = this.destination.GetPixelRowSpan(y);
+                    Span<TPixel> rowSpan = this.destination.DangerousGetRowSpan(y);
                     PixelOperations<TPixel>.Instance.ToVector4(
                         this.configuration,
                         rowSpan,
@@ -222,7 +219,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                             {
                                 float xWeight = sampler.GetValue(xK - pX);
 
-                                Vector4 current = sourceBuffer.GetElementUnsafe(xK, yK).ToScaledVector4();
+                                Vector4 current = this.source.GetElementUnsafe(xK, yK).ToScaledVector4();
                                 Numerics.Premultiply(ref current);
                                 sum += current * xWeight * yWeight;
                             }
@@ -251,11 +248,9 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                 int maxY = this.source.Height - 1;
                 int maxX = this.source.Width - 1;
 
-                Buffer2D<TPixel> sourceBuffer = this.source.PixelBuffer;
-
                 for (int y = rows.Min; y < rows.Max; y++)
                 {
-                    Span<TPixel> rowSpan = this.destination.GetPixelRowSpan(y);
+                    Span<TPixel> rowSpan = this.destination.DangerousGetRowSpan(y);
                     PixelOperations<TPixel>.Instance.ToVector4(
                         this.configuration,
                         rowSpan,
@@ -287,7 +282,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                             {
                                 float xWeight = sampler.GetValue(xK - pX);
 
-                                Vector4 current = sourceBuffer.GetElementUnsafe(xK, yK).ToScaledVector4();
+                                Vector4 current = this.source.GetElementUnsafe(xK, yK).ToScaledVector4();
                                 Numerics.Premultiply(ref current);
                                 sum += current * xWeight * yWeight;
                             }

src/ImageSharp/Processing/Processors/Transforms/Linear/FlipProcessor{TPixel}.cs

@@ -5,6 +5,7 @@ using System;
 using System.Buffers;
 using System.Runtime.CompilerServices;
 using SixLabors.ImageSharp.Advanced;
+using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 
 namespace SixLabors.ImageSharp.Processing.Processors.Transforms
@@ -38,7 +39,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             {
                 // No default needed as we have already set the pixels.
                 case FlipMode.Vertical:
-                    this.FlipX(source, this.Configuration);
+                    this.FlipX(source.PixelBuffer, this.Configuration);
                     break;
                 case FlipMode.Horizontal:
                     this.FlipY(source, this.Configuration);
@@ -51,7 +52,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// </summary>
         /// <param name="source">The source image to apply the process to.</param>
         /// <param name="configuration">The configuration.</param>
-        private void FlipX(ImageFrame<TPixel> source, Configuration configuration)
+        private void FlipX(Buffer2D<TPixel> source, Configuration configuration)
         {
             int height = source.Height;
             using IMemoryOwner<TPixel> tempBuffer = configuration.MemoryAllocator.Allocate<TPixel>(source.Width);
@@ -60,8 +61,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             for (int yTop = 0; yTop < height / 2; yTop++)
             {
                 int yBottom = height - yTop - 1;
-                Span<TPixel> topRow = source.GetPixelRowSpan(yBottom);
-                Span<TPixel> bottomRow = source.GetPixelRowSpan(yTop);
+                Span<TPixel> topRow = source.DangerousGetRowSpan(yBottom);
+                Span<TPixel> bottomRow = source.DangerousGetRowSpan(yTop);
                 topRow.CopyTo(temp);
                 bottomRow.CopyTo(topRow);
                 temp.CopyTo(bottomRow);
@@ -75,7 +76,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <param name="configuration">The configuration.</param>
         private void FlipY(ImageFrame<TPixel> source, Configuration configuration)
         {
-            var operation = new RowOperation(source);
+            var operation = new RowOperation(source.PixelBuffer);
             ParallelRowIterator.IterateRows(
                 configuration,
                 source.Bounds(),
@@ -84,13 +85,13 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
 
         private readonly struct RowOperation : IRowOperation
         {
-            private readonly ImageFrame<TPixel> source;
+            private readonly Buffer2D<TPixel> source;
 
             [MethodImpl(InliningOptions.ShortMethod)]
-            public RowOperation(ImageFrame<TPixel> source) => this.source = source;
+            public RowOperation(Buffer2D<TPixel> source) => this.source = source;
 
             [MethodImpl(InliningOptions.ShortMethod)]
-            public void Invoke(int y) => this.source.GetPixelRowSpan(y).Reverse();
+            public void Invoke(int y) => this.source.DangerousGetRowSpan(y).Reverse();
         }
     }
 }

src/ImageSharp/Processing/Processors/Transforms/Linear/ProjectiveTransformProcessor{TPixel}.cs

@@ -72,7 +72,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
 
             if (sampler is NearestNeighborResampler)
             {
-                var nnOperation = new NNProjectiveOperation(source, destination, matrix);
+                var nnOperation = new NNProjectiveOperation(source.PixelBuffer, destination.PixelBuffer, matrix);
                 ParallelRowIterator.IterateRows(
                     configuration,
                     destination.Bounds(),
@@ -83,8 +83,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
 
             var operation = new ProjectiveOperation<TResampler>(
                 configuration,
-                source,
-                destination,
+                source.PixelBuffer,
+                destination.PixelBuffer,
                 in sampler,
                 matrix);
 
@@ -96,15 +96,15 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
 
         private readonly struct NNProjectiveOperation : IRowOperation
         {
-            private readonly ImageFrame<TPixel> source;
-            private readonly ImageFrame<TPixel> destination;
+            private readonly Buffer2D<TPixel> source;
+            private readonly Buffer2D<TPixel> destination;
             private readonly Rectangle bounds;
             private readonly Matrix4x4 matrix;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public NNProjectiveOperation(
-                ImageFrame<TPixel> source,
-                ImageFrame<TPixel> destination,
+                Buffer2D<TPixel> source,
+                Buffer2D<TPixel> destination,
                 Matrix4x4 matrix)
             {
                 this.source = source;
@@ -116,8 +116,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             [MethodImpl(InliningOptions.ShortMethod)]
             public void Invoke(int y)
             {
-                Buffer2D<TPixel> sourceBuffer = this.source.PixelBuffer;
-                Span<TPixel> destRow = this.destination.GetPixelRowSpan(y);
+                Span<TPixel> destRow = this.destination.DangerousGetRowSpan(y);
 
                 for (int x = 0; x < destRow.Length; x++)
                 {
@@ -127,7 +126,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
 
                     if (this.bounds.Contains(px, py))
                     {
-                        destRow[x] = sourceBuffer.GetElementUnsafe(px, py);
+                        destRow[x] = this.source.GetElementUnsafe(px, py);
                     }
                 }
             }
@@ -137,8 +136,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             where TResampler : struct, IResampler
         {
             private readonly Configuration configuration;
-            private readonly ImageFrame<TPixel> source;
-            private readonly ImageFrame<TPixel> destination;
+            private readonly Buffer2D<TPixel> source;
+            private readonly Buffer2D<TPixel> destination;
             private readonly TResampler sampler;
             private readonly Matrix4x4 matrix;
             private readonly float yRadius;
@@ -147,8 +146,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             [MethodImpl(InliningOptions.ShortMethod)]
             public ProjectiveOperation(
                 Configuration configuration,
-                ImageFrame<TPixel> source,
-                ImageFrame<TPixel> destination,
+                Buffer2D<TPixel> source,
+                Buffer2D<TPixel> destination,
                 in TResampler sampler,
                 Matrix4x4 matrix)
             {
@@ -185,11 +184,9 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                 int maxY = this.source.Height - 1;
                 int maxX = this.source.Width - 1;
 
-                Buffer2D<TPixel> sourceBuffer = this.source.PixelBuffer;
-
                 for (int y = rows.Min; y < rows.Max; y++)
                 {
-                    Span<TPixel> rowSpan = this.destination.GetPixelRowSpan(y);
+                    Span<TPixel> rowSpan = this.destination.DangerousGetRowSpan(y);
                     PixelOperations<TPixel>.Instance.ToVector4(
                         this.configuration,
                         rowSpan,
@@ -221,7 +218,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                             {
                                 float xWeight = sampler.GetValue(xK - pX);
 
-                                Vector4 current = sourceBuffer.GetElementUnsafe(xK, yK).ToScaledVector4();
+                                Vector4 current = this.source.GetElementUnsafe(xK, yK).ToScaledVector4();
                                 Numerics.Premultiply(ref current);
                                 sum += current * xWeight * yWeight;
                             }
@@ -250,11 +247,9 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                 int maxY = this.source.Height - 1;
                 int maxX = this.source.Width - 1;
 
-                Buffer2D<TPixel> sourceBuffer = this.source.PixelBuffer;
-
                 for (int y = rows.Min; y < rows.Max; y++)
                 {
-                    Span<TPixel> rowSpan = this.destination.GetPixelRowSpan(y);
+                    Span<TPixel> rowSpan = this.destination.DangerousGetRowSpan(y);
                     PixelOperations<TPixel>.Instance.ToVector4(
                         this.configuration,
                         rowSpan,
@@ -286,7 +281,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                             {
                                 float xWeight = sampler.GetValue(xK - pX);
 
-                                Vector4 current = sourceBuffer.GetElementUnsafe(xK, yK).ToScaledVector4();
+                                Vector4 current = this.source.GetElementUnsafe(xK, yK).ToScaledVector4();
                                 Numerics.Premultiply(ref current);
                                 sum += current * xWeight * yWeight;
                             }

src/ImageSharp/Processing/Processors/Transforms/Linear/RotateProcessor{TPixel}.cs

@@ -131,7 +131,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <param name="configuration">The configuration.</param>
         private void Rotate180(ImageFrame<TPixel> source, ImageFrame<TPixel> destination, Configuration configuration)
         {
-            var operation = new Rotate180RowOperation(source.Width, source.Height, source, destination);
+            var operation = new Rotate180RowOperation(source.Width, source.Height, source.PixelBuffer, destination.PixelBuffer);
             ParallelRowIterator.IterateRows(
                 configuration,
                 source.Bounds(),
@@ -146,7 +146,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <param name="configuration">The configuration.</param>
         private void Rotate270(ImageFrame<TPixel> source, ImageFrame<TPixel> destination, Configuration configuration)
         {
-            var operation = new Rotate270RowIntervalOperation(destination.Bounds(), source.Width, source.Height, source, destination);
+            var operation = new Rotate270RowIntervalOperation(destination.Bounds(), source.Width, source.Height, source.PixelBuffer, destination.PixelBuffer);
             ParallelRowIterator.IterateRowIntervals(
                 configuration,
                 source.Bounds(),
@@ -161,7 +161,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         /// <param name="configuration">The configuration.</param>
         private void Rotate90(ImageFrame<TPixel> source, ImageFrame<TPixel> destination, Configuration configuration)
         {
-            var operation = new Rotate90RowOperation(destination.Bounds(), source.Width, source.Height, source, destination);
+            var operation = new Rotate90RowOperation(destination.Bounds(), source.Width, source.Height, source.PixelBuffer, destination.PixelBuffer);
             ParallelRowIterator.IterateRows(
                 configuration,
                 source.Bounds(),
@@ -172,15 +172,15 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         {
             private readonly int width;
             private readonly int height;
-            private readonly ImageFrame<TPixel> source;
-            private readonly ImageFrame<TPixel> destination;
+            private readonly Buffer2D<TPixel> source;
+            private readonly Buffer2D<TPixel> destination;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public Rotate180RowOperation(
                 int width,
                 int height,
-                ImageFrame<TPixel> source,
-                ImageFrame<TPixel> destination)
+                Buffer2D<TPixel> source,
+                Buffer2D<TPixel> destination)
             {
                 this.width = width;
                 this.height = height;
@@ -191,8 +191,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             [MethodImpl(InliningOptions.ShortMethod)]
             public void Invoke(int y)
             {
-                Span<TPixel> sourceRow = this.source.GetPixelRowSpan(y);
-                Span<TPixel> targetRow = this.destination.GetPixelRowSpan(this.height - y - 1);
+                Span<TPixel> sourceRow = this.source.DangerousGetRowSpan(y);
+                Span<TPixel> targetRow = this.destination.DangerousGetRowSpan(this.height - y - 1);
 
                 for (int x = 0; x < this.width; x++)
                 {
@@ -206,16 +206,16 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             private readonly Rectangle bounds;
             private readonly int width;
             private readonly int height;
-            private readonly ImageFrame<TPixel> source;
-            private readonly ImageFrame<TPixel> destination;
+            private readonly Buffer2D<TPixel> source;
+            private readonly Buffer2D<TPixel> destination;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public Rotate270RowIntervalOperation(
                 Rectangle bounds,
                 int width,
                 int height,
-                ImageFrame<TPixel> source,
-                ImageFrame<TPixel> destination)
+                Buffer2D<TPixel> source,
+                Buffer2D<TPixel> destination)
             {
                 this.bounds = bounds;
                 this.width = width;
@@ -229,7 +229,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             {
                 for (int y = rows.Min; y < rows.Max; y++)
                 {
-                    Span<TPixel> sourceRow = this.source.GetPixelRowSpan(y);
+                    Span<TPixel> sourceRow = this.source.DangerousGetRowSpan(y);
                     for (int x = 0; x < this.width; x++)
                     {
                         int newX = this.height - y - 1;
@@ -250,16 +250,16 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             private readonly Rectangle bounds;
             private readonly int width;
             private readonly int height;
-            private readonly ImageFrame<TPixel> source;
-            private readonly ImageFrame<TPixel> destination;
+            private readonly Buffer2D<TPixel> source;
+            private readonly Buffer2D<TPixel> destination;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public Rotate90RowOperation(
                 Rectangle bounds,
                 int width,
                 int height,
-                ImageFrame<TPixel> source,
-                ImageFrame<TPixel> destination)
+                Buffer2D<TPixel> source,
+                Buffer2D<TPixel> destination)
             {
                 this.bounds = bounds;
                 this.width = width;
@@ -271,7 +271,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             [MethodImpl(InliningOptions.ShortMethod)]
             public void Invoke(int y)
             {
-                Span<TPixel> sourceRow = this.source.GetPixelRowSpan(y);
+                Span<TPixel> sourceRow = this.source.DangerousGetRowSpan(y);
                 int newX = this.height - y - 1;
                 for (int x = 0; x < this.width; x++)
                 {

src/ImageSharp/Processing/Processors/Transforms/Resize/ResizeProcessor{TPixel}.cs

@@ -155,8 +155,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                 interest,
                 widthFactor,
                 heightFactor,
-                source,
-                destination);
+                source.PixelBuffer,
+                destination.PixelBuffer);
 
             ParallelRowIterator.IterateRows(
                 configuration,
@@ -223,8 +223,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             private readonly Rectangle interest;
             private readonly float widthFactor;
             private readonly float heightFactor;
-            private readonly ImageFrame<TPixel> source;
-            private readonly ImageFrame<TPixel> destination;
+            private readonly Buffer2D<TPixel> source;
+            private readonly Buffer2D<TPixel> destination;
 
             [MethodImpl(InliningOptions.ShortMethod)]
             public NNRowOperation(
@@ -233,8 +233,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                 Rectangle interest,
                 float widthFactor,
                 float heightFactor,
-                ImageFrame<TPixel> source,
-                ImageFrame<TPixel> destination)
+                Buffer2D<TPixel> source,
+                Buffer2D<TPixel> destination)
             {
                 this.sourceBounds = sourceBounds;
                 this.destinationBounds = destinationBounds;
@@ -256,8 +256,8 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                 int destRight = this.interest.Right;
 
                 // Y coordinates of source points
-                Span<TPixel> sourceRow = this.source.GetPixelRowSpan((int)(((y - destOriginY) * this.heightFactor) + sourceY));
-                Span<TPixel> targetRow = this.destination.GetPixelRowSpan(y);
+                Span<TPixel> sourceRow = this.source.DangerousGetRowSpan((int)(((y - destOriginY) * this.heightFactor) + sourceY));
+                Span<TPixel> targetRow = this.destination.DangerousGetRowSpan(y);
 
                 for (int x = destLeft; x < destRight; x++)
                 {

src/ImageSharp/Processing/Processors/Transforms/SwizzleProcessor{TSwizzler,TPixel}.cs

@@ -2,6 +2,7 @@
 // Licensed under the Apache License, Version 2.0.
 
 using System;
+using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 
 namespace SixLabors.ImageSharp.Processing.Processors.Transforms
@@ -27,9 +28,10 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         {
             Point p = default;
             Point newPoint;
+            Buffer2D<TPixel> sourceBuffer = source.PixelBuffer;
             for (p.Y = 0; p.Y < source.Height; p.Y++)
             {
-                Span<TPixel> rowSpan = source.GetPixelRowSpan(p.Y);
+                Span<TPixel> rowSpan = sourceBuffer.DangerousGetRowSpan(p.Y);
                 for (p.X = 0; p.X < source.Width; p.X++)
                 {
                     newPoint = this.swizzler.Transform(p);

tests/ImageSharp.Tests/Advanced/AdvancedImageExtensionsTests.cs

@@ -153,7 +153,7 @@ namespace SixLabors.ImageSharp.Tests.Advanced
         [WithBlankImages(1, 1, PixelTypes.Rgba32)]
         [WithBlankImages(100, 111, PixelTypes.Rgba32)]
         [WithBlankImages(400, 600, PixelTypes.Rgba32)]
-        public void GetPixelRowSpan_ShouldReferenceSpanOfMemory<TPixel>(TestImageProvider<TPixel> provider)
+        public void DangerousGetRowSpan_ShouldReferenceSpanOfMemory<TPixel>(TestImageProvider<TPixel> provider)
             where TPixel : unmanaged, IPixel<TPixel>
         {
             provider.LimitAllocatorBufferCapacity().InPixelsSqrt(200);
@@ -161,7 +161,7 @@ namespace SixLabors.ImageSharp.Tests.Advanced
             using Image<TPixel> image = provider.GetImage();
 
             Memory<TPixel> memory = image.DangerousGetPixelRowMemory(image.Height - 1);
-            Span<TPixel> span = image.GetPixelRowSpan(image.Height - 1);
+            Span<TPixel> span = image.DangerousGetRowSpan(image.Height - 1);
 
             Assert.True(span == memory.Span);
         }

tests/ImageSharp.Tests/Formats/Png/PngEncoderTests.cs

@@ -413,7 +413,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Png
             Rgba32 rgba32 = Color.Blue;
             for (int y = 0; y < image.Height; y++)
             {
-                System.Span<Rgba32> rowSpan = image.GetPixelRowSpan(y);
+                System.Span<Rgba32> rowSpan = image.DangerousGetRowSpan(y);
 
                 // Half of the test image should be transparent.
                 if (y > 25)
@@ -443,7 +443,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Png
 
             for (int y = 0; y < actual.Height; y++)
             {
-                System.Span<Rgba32> rowSpan = actual.GetPixelRowSpan(y);
+                System.Span<Rgba32> rowSpan = actual.DangerousGetRowSpan(y);
 
                 if (y > 25)
                 {

tests/ImageSharp.Tests/Formats/WebP/PredictorEncoderTests.cs

@@ -134,7 +134,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Webp
             int idx = 0;
             for (int y = 0; y < image.Height; y++)
             {
-                Span<TPixel> rowSpan = image.GetPixelRowSpan(y);
+                Span<TPixel> rowSpan = image.DangerousGetRowSpan(y);
                 for (int x = 0; x < rowSpan.Length; x++)
                 {
                     bgra[idx++] = ToBgra32(rowSpan[x]).PackedValue;

tests/ImageSharp.Tests/Image/ImageCloneTests.cs

@@ -37,8 +37,8 @@ namespace SixLabors.ImageSharp.Tests
             {
                 for (int y = 0; y < image.Height; y++)
                 {
-                    Span<Rgba32> row = image.GetPixelRowSpan(y);
-                    Span<Bgra32> rowClone = clone.GetPixelRowSpan(y);
+                    Span<Rgba32> row = image.DangerousGetRowSpan(y);
+                    Span<Bgra32> rowClone = clone.DangerousGetRowSpan(y);
 
                     for (int x = 0; x < image.Width; x++)
                     {
@@ -63,8 +63,8 @@ namespace SixLabors.ImageSharp.Tests
             {
                 for (int y = 0; y < image.Height; y++)
                 {
-                    Span<Rgba32> row = image.GetPixelRowSpan(y);
-                    Span<Bgr24> rowClone = clone.GetPixelRowSpan(y);
+                    Span<Rgba32> row = image.DangerousGetRowSpan(y);
+                    Span<Bgr24> rowClone = clone.DangerousGetRowSpan(y);
 
                     for (int x = 0; x < image.Width; x++)
                     {
@@ -88,8 +88,8 @@ namespace SixLabors.ImageSharp.Tests
             {
                 for (int y = 0; y < image.Height; y++)
                 {
-                    Span<Rgba32> row = image.GetPixelRowSpan(y);
-                    Span<Argb32> rowClone = clone.GetPixelRowSpan(y);
+                    Span<Rgba32> row = image.DangerousGetRowSpan(y);
+                    Span<Argb32> rowClone = clone.DangerousGetRowSpan(y);
 
                     for (int x = 0; x < image.Width; x++)
                     {
@@ -114,8 +114,8 @@ namespace SixLabors.ImageSharp.Tests
             {
                 for (int y = 0; y < image.Height; y++)
                 {
-                    Span<Rgba32> row = image.GetPixelRowSpan(y);
-                    Span<Rgb24> rowClone = clone.GetPixelRowSpan(y);
+                    Span<Rgba32> row = image.DangerousGetRowSpan(y);
+                    Span<Rgb24> rowClone = clone.DangerousGetRowSpan(y);
 
                     for (int x = 0; x < image.Width; x++)
                     {

tests/ImageSharp.Tests/Image/ImageTests.WrapMemory.cs

@@ -165,7 +165,7 @@ namespace SixLabors.ImageSharp.Tests
                             image.GetPixelMemoryGroup().Fill(bg);
                             for (var i = 10; i < 20; i++)
                             {
-                                image.GetPixelRowSpan(i).Slice(10, 10).Fill(fg);
+                                image.DangerousGetRowSpan(i).Slice(10, 10).Fill(fg);
                             }
                         }
 
@@ -200,7 +200,7 @@ namespace SixLabors.ImageSharp.Tests
                         image.GetPixelMemoryGroup().Fill(bg);
                         for (var i = 10; i < 20; i++)
                         {
-                            image.GetPixelRowSpan(i).Slice(10, 10).Fill(fg);
+                            image.DangerousGetRowSpan(i).Slice(10, 10).Fill(fg);
                         }
                     }
 
@@ -265,7 +265,7 @@ namespace SixLabors.ImageSharp.Tests
                             image.GetPixelMemoryGroup().Fill(bg);
                             for (var i = 10; i < 20; i++)
                             {
-                                image.GetPixelRowSpan(i).Slice(10, 10).Fill(fg);
+                                image.DangerousGetRowSpan(i).Slice(10, 10).Fill(fg);
                             }
                         }
 
@@ -334,7 +334,7 @@ namespace SixLabors.ImageSharp.Tests
                                 image.GetPixelMemoryGroup().Fill(bg);
                                 for (var i = 10; i < 20; i++)
                                 {
-                                    image.GetPixelRowSpan(i).Slice(10, 10).Fill(fg);
+                                    image.DangerousGetRowSpan(i).Slice(10, 10).Fill(fg);
                                 }
                             }
 
@@ -417,7 +417,7 @@ namespace SixLabors.ImageSharp.Tests
                     {
                         var arrayIndex = width * i;
 
-                        Span<Rgba32> rowSpan = img.GetPixelRowSpan(i);
+                        Span<Rgba32> rowSpan = img.DangerousGetRowSpan(i);
                         ref Rgba32 r0 = ref rowSpan[0];
                         ref Rgba32 r1 = ref array[arrayIndex];
 
@@ -461,7 +461,7 @@ namespace SixLabors.ImageSharp.Tests
                     {
                         var arrayIndex = pixelSize * width * i;
 
-                        Span<Rgba32> rowSpan = img.GetPixelRowSpan(i);
+                        Span<Rgba32> rowSpan = img.DangerousGetRowSpan(i);
                         ref Rgba32 r0 = ref rowSpan[0];
                         ref Rgba32 r1 = ref Unsafe.As<byte, Rgba32>(ref array[arrayIndex]);
 

tests/ImageSharp.Tests/Image/ImageTests.cs

@@ -271,7 +271,7 @@ namespace SixLabors.ImageSharp.Tests
                 // Image<TPixel>
                 Assert.Throws<ObjectDisposedException>(() => { var res = image.Clone(this.configuration); });
                 Assert.Throws<ObjectDisposedException>(() => { var res = image.CloneAs<Rgba32>(this.configuration); });
-                Assert.Throws<ObjectDisposedException>(() => { var res = image.GetPixelRowSpan(default); });
+                Assert.Throws<ObjectDisposedException>(() => { var res = image.DangerousGetRowSpan(default); });
                 Assert.Throws<ObjectDisposedException>(() => { var res = image.DangerousTryGetSinglePixelMemory(out Memory<Rgba32> _); });
 
                 // Image

tests/ImageSharp.Tests/Quantization/QuantizedImageTests.cs

@@ -73,7 +73,7 @@ namespace SixLabors.ImageSharp.Tests
                     using (IndexedImageFrame<TPixel> quantized = frameQuantizer.BuildPaletteAndQuantizeFrame(frame, frame.Bounds()))
                     {
                         int index = this.GetTransparentIndex(quantized);
-                        Assert.Equal(index, quantized.GetPixelRowSpan(0)[0]);
+                        Assert.Equal(index, quantized.DangerousGetRowSpan(0)[0]);
                     }
                 }
             }
@@ -103,7 +103,7 @@ namespace SixLabors.ImageSharp.Tests
                     using (IndexedImageFrame<TPixel> quantized = frameQuantizer.BuildPaletteAndQuantizeFrame(frame, frame.Bounds()))
                     {
                         int index = this.GetTransparentIndex(quantized);
-                        Assert.Equal(index, quantized.GetPixelRowSpan(0)[0]);
+                        Assert.Equal(index, quantized.DangerousGetRowSpan(0)[0]);
                     }
                 }
             }

tests/ImageSharp.Tests/Quantization/WuQuantizerTests.cs

@@ -28,7 +28,7 @@ namespace SixLabors.ImageSharp.Tests.Quantization
             Assert.Equal(1, result.Height);
 
             Assert.Equal(Color.Black, (Color)result.Palette.Span[0]);
-            Assert.Equal(0, result.GetPixelRowSpan(0)[0]);
+            Assert.Equal(0, result.DangerousGetRowSpan(0)[0]);
         }
 
         [Fact]
@@ -48,7 +48,7 @@ namespace SixLabors.ImageSharp.Tests.Quantization
             Assert.Equal(1, result.Height);
 
             Assert.Equal(default, result.Palette.Span[0]);
-            Assert.Equal(0, result.GetPixelRowSpan(0)[0]);
+            Assert.Equal(0, result.DangerousGetRowSpan(0)[0]);
         }
 
         [Fact]
@@ -99,8 +99,8 @@ namespace SixLabors.ImageSharp.Tests.Quantization
             int paletteCount = paletteSpan.Length - 1;
             for (int y = 0; y < actualImage.Height; y++)
             {
-                Span<Rgba32> row = actualImage.GetPixelRowSpan(y);
-                ReadOnlySpan<byte> quantizedPixelSpan = result.GetPixelRowSpan(y);
+                Span<Rgba32> row = actualImage.DangerousGetRowSpan(y);
+                ReadOnlySpan<byte> quantizedPixelSpan = result.DangerousGetRowSpan(y);
 
                 for (int x = 0; x < actualImage.Width; x++)
                 {
@@ -110,7 +110,7 @@ namespace SixLabors.ImageSharp.Tests.Quantization
 
             for (int y = 0; y < image.Height; y++)
             {
-                Assert.True(image.GetPixelRowSpan(y).SequenceEqual(actualImage.GetPixelRowSpan(y)));
+                Assert.True(image.DangerousGetRowSpan(y).SequenceEqual(actualImage.DangerousGetRowSpan(y)));
             }
         }
 
@@ -166,8 +166,8 @@ namespace SixLabors.ImageSharp.Tests.Quantization
                     int paletteCount = paletteSpan.Length - 1;
                     for (int y = 0; y < actualImage.Height; y++)
                     {
-                        Span<Rgba32> row = actualImage.GetPixelRowSpan(y);
-                        ReadOnlySpan<byte> quantizedPixelSpan = result.GetPixelRowSpan(y);
+                        Span<Rgba32> row = actualImage.DangerousGetRowSpan(y);
+                        ReadOnlySpan<byte> quantizedPixelSpan = result.DangerousGetRowSpan(y);
 
                         for (int x = 0; x < actualImage.Width; x++)
                         {
@@ -178,7 +178,7 @@ namespace SixLabors.ImageSharp.Tests.Quantization
 
                 for (int y = 0; y < expectedImage.Height; y++)
                 {
-                    Assert.True(expectedImage.GetPixelRowSpan(y).SequenceEqual(actualImage.GetPixelRowSpan(y)));
+                    Assert.True(expectedImage.DangerousGetRowSpan(y).SequenceEqual(actualImage.DangerousGetRowSpan(y)));
                 }
             }
         }

tests/ImageSharp.Tests/TestUtilities/ImageComparison/ExactImageComparer.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using SixLabors.ImageSharp.Advanced;
+using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison
@@ -29,11 +30,13 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison
 
             var differences = new List<PixelDifference>();
             Configuration configuration = expected.GetConfiguration();
+            Buffer2D<TPixelA> expectedBuffer = expected.PixelBuffer;
+            Buffer2D<TPixelB> actualBuffer = actual.PixelBuffer;
 
             for (int y = 0; y < actual.Height; y++)
             {
-                Span<TPixelA> aSpan = expected.GetPixelRowSpan(y);
-                Span<TPixelB> bSpan = actual.GetPixelRowSpan(y);
+                Span<TPixelA> aSpan = expectedBuffer.DangerousGetRowSpan(y);
+                Span<TPixelB> bSpan = actualBuffer.DangerousGetRowSpan(y);
 
                 PixelOperations<TPixelA>.Instance.ToRgba64(configuration, aSpan, aBuffer);
                 PixelOperations<TPixelB>.Instance.ToRgba64(configuration, bSpan, bBuffer);

tests/ImageSharp.Tests/TestUtilities/ImageComparison/TolerantImageComparer.cs

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using SixLabors.ImageSharp.Advanced;
+using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison
@@ -74,11 +75,13 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison
 
             var differences = new List<PixelDifference>();
             Configuration configuration = expected.GetConfiguration();
+            Buffer2D<TPixelA> expectedBuffer = expected.PixelBuffer;
+            Buffer2D<TPixelB> actualBuffer = actual.PixelBuffer;
 
             for (int y = 0; y < actual.Height; y++)
             {
-                Span<TPixelA> aSpan = expected.GetPixelRowSpan(y);
-                Span<TPixelB> bSpan = actual.GetPixelRowSpan(y);
+                Span<TPixelA> aSpan = expectedBuffer.DangerousGetRowSpan(y);
+                Span<TPixelB> bSpan = actualBuffer.DangerousGetRowSpan(y);
 
                 PixelOperations<TPixelA>.Instance.ToRgba64(configuration, aSpan, aBuffer);
                 PixelOperations<TPixelB>.Instance.ToRgba64(configuration, bSpan, bBuffer);

tests/ImageSharp.Tests/TestUtilities/ImageProviders/BasicTestPatternProvider.cs

@@ -45,7 +45,7 @@ namespace SixLabors.ImageSharp.Tests
 
                 for (int y = 0; y < midY; y++)
                 {
-                    Span<TPixel> row = result.GetPixelRowSpan(y);
+                    Span<TPixel> row = result.DangerousGetRowSpan(y);
 
                     row.Slice(0, midX).Fill(TopLeftColor);
                     row.Slice(midX, this.Width - midX).Fill(TopRightColor);
@@ -53,7 +53,7 @@ namespace SixLabors.ImageSharp.Tests
 
                 for (int y = midY; y < this.Height; y++)
                 {
-                    Span<TPixel> row = result.GetPixelRowSpan(y);
+                    Span<TPixel> row = result.DangerousGetRowSpan(y);
 
                     row.Slice(0, midX).Fill(BottomLeftColor);
                     row.Slice(midX, this.Width - midX).Fill(BottomRightColor);

tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/SystemDrawingBridge.cs

@@ -47,14 +47,14 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
                 long destRowByteCount = w * sizeof(Bgra32);
 
                 Configuration configuration = image.GetConfiguration();
-
-                using (IMemoryOwner<Bgra32> workBuffer = Configuration.Default.MemoryAllocator.Allocate<Bgra32>(w))
+                image.ProcessPixelRows(accessor =>
                 {
+                    using IMemoryOwner<Bgra32> workBuffer = Configuration.Default.MemoryAllocator.Allocate<Bgra32>(w);
                     fixed (Bgra32* destPtr = &workBuffer.GetReference())
                     {
                         for (int y = 0; y < h; y++)
                         {
-                            Span<TPixel> row = image.Frames.RootFrame.GetPixelRowSpan(y);
+                            Span<TPixel> row = accessor.GetRowSpan(y);
 
                             byte* sourcePtr = sourcePtrBase + (data.Stride * y);
 
@@ -65,7 +65,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
                                 row);
                         }
                     }
-                }
+                });
             }
             finally
             {
@@ -106,6 +106,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
                 long destRowByteCount = w * sizeof(Bgr24);
 
                 Configuration configuration = image.GetConfiguration();
+                Buffer2D<TPixel> imageBuffer = image.Frames.RootFrame.PixelBuffer;
 
                 using (IMemoryOwner<Bgr24> workBuffer = Configuration.Default.MemoryAllocator.Allocate<Bgr24>(w))
                 {
@@ -113,7 +114,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
                     {
                         for (int y = 0; y < h; y++)
                         {
-                            Span<TPixel> row = image.Frames.RootFrame.GetPixelRowSpan(y);
+                            Span<TPixel> row = imageBuffer.DangerousGetRowSpan(y);
 
                             byte* sourcePtr = sourcePtrBase + (data.Stride * y);
 
@@ -144,24 +145,23 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
             try
             {
                 byte* destPtrBase = (byte*)data.Scan0;
-
                 long destRowByteCount = data.Stride;
                 long sourceRowByteCount = w * sizeof(Bgra32);
-
-                using (IMemoryOwner<Bgra32> workBuffer = image.GetConfiguration().MemoryAllocator.Allocate<Bgra32>(w))
+                image.ProcessPixelRows(accessor =>
                 {
+                    using IMemoryOwner<Bgra32> workBuffer = image.GetConfiguration().MemoryAllocator.Allocate<Bgra32>(w);
                     fixed (Bgra32* sourcePtr = &workBuffer.GetReference())
                     {
                         for (int y = 0; y < h; y++)
                         {
-                            Span<TPixel> row = image.Frames.RootFrame.GetPixelRowSpan(y);
+                            Span<TPixel> row = accessor.GetRowSpan(y);
                             PixelOperations<TPixel>.Instance.ToBgra32(configuration, row, workBuffer.GetSpan());
                             byte* destPtr = destPtrBase + (data.Stride * y);
 
                             Buffer.MemoryCopy(sourcePtr, destPtr, destRowByteCount, sourceRowByteCount);
                         }
                     }
-                }
+                });
             }
             finally
             {

tests/ImageSharp.Tests/TestUtilities/TestImageExtensions.cs

@@ -738,7 +738,7 @@ namespace SixLabors.ImageSharp.Tests
                 Rectangle sourceRectangle = this.SourceRectangle;
                 Configuration configuration = this.Configuration;
 
-                var operation = new RowOperation(configuration, sourceRectangle, source);
+                var operation = new RowOperation(configuration, sourceRectangle, source.PixelBuffer);
 
                 ParallelRowIterator.IterateRowIntervals<RowOperation, Vector4>(
                     configuration,
@@ -750,9 +750,9 @@ namespace SixLabors.ImageSharp.Tests
             {
                 private readonly Configuration configuration;
                 private readonly Rectangle bounds;
-                private readonly ImageFrame<TPixel> source;
+                private readonly Buffer2D<TPixel> source;
 
-                public RowOperation(Configuration configuration, Rectangle bounds, ImageFrame<TPixel> source)
+                public RowOperation(Configuration configuration, Rectangle bounds, Buffer2D<TPixel> source)
                 {
                     this.configuration = configuration;
                     this.bounds = bounds;
@@ -763,7 +763,7 @@ namespace SixLabors.ImageSharp.Tests
                 {
                     for (int y = rows.Min; y < rows.Max; y++)
                     {
-                        Span<TPixel> rowSpan = this.source.GetPixelRowSpan(y).Slice(this.bounds.Left, this.bounds.Width);
+                        Span<TPixel> rowSpan = this.source.DangerousGetRowSpan(y).Slice(this.bounds.Left, this.bounds.Width);
                         PixelOperations<TPixel>.Instance.ToVector4(this.configuration, rowSpan, span, PixelConversionModifiers.Scale);
                         for (int i = 0; i < span.Length; i++)
                         {