Update FlipProcessor

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

@@ -60,8 +60,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
             Configuration configuration = this.Configuration;
             MemoryAllocator allocator = configuration.MemoryAllocator;
 
-            using (IMemoryOwner<TPixel> rowColors = allocator.Allocate<TPixel>(interest.Width))
+            using IMemoryOwner<TPixel> rowColors = allocator.Allocate<TPixel>(interest.Width);
-            {
             rowColors.GetSpan().Fill(vignetteColor);
 
             ParallelRowIterator.IterateRows<RowIntervalAction, float>(
@@ -69,7 +68,6 @@ namespace SixLabors.ImageSharp.Processing.Processors.Overlays
                 configuration,
                 new RowIntervalAction(configuration, interest, rowColors, this.blender, center, maxDistance, blendPercent, source));
         }
-        }
 
         private readonly struct RowIntervalAction : IRowIntervalAction<float>
         {

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

@@ -3,7 +3,9 @@
 
 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
@@ -53,9 +55,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
         private void FlipX(ImageFrame<TPixel> source, Configuration configuration)
         {
             int height = source.Height;
-
+            using IMemoryOwner<TPixel> tempBuffer = configuration.MemoryAllocator.Allocate<TPixel>(source.Width);
-            using (IMemoryOwner<TPixel> tempBuffer = configuration.MemoryAllocator.Allocate<TPixel>(source.Width))
-            {
             Span<TPixel> temp = tempBuffer.Memory.Span;
 
             for (int yTop = 0; yTop < height / 2; yTop++)
@@ -68,7 +68,6 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
                 temp.CopyTo(bottomRow);
             }
         }
-        }
 
         /// <summary>
         /// Swaps the image at the Y-axis, which goes vertically through the middle at half of the width of the image.
@@ -80,13 +79,24 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms
             ParallelRowIterator.IterateRows(
                 source.Bounds(),
                 configuration,
-                rows =>
+                new RowIntervalAction(source));
+        }
+
+        private readonly struct RowIntervalAction : IRowIntervalAction
+        {
+            private readonly ImageFrame<TPixel> source;
+
+            [MethodImpl(InliningOptions.ShortMethod)]
+            public RowIntervalAction(ImageFrame<TPixel> source) => this.source = source;
+
+            [MethodImpl(InliningOptions.ShortMethod)]
+            public void Invoke(in RowInterval rows)
             {
                 for (int y = rows.Min; y < rows.Max; y++)
                 {
-                            source.GetPixelRowSpan(y).Reverse();
+                    this.source.GetPixelRowSpan(y).Reverse();
+                }
             }
-                    });
         }
     }
 }