fix warnings

samples/AvatarWithRoundedCorner/Program.cs

@@ -68,7 +68,6 @@ namespace AvatarWithRoundedCorner
             // corner is now a corner shape positions top left
             //lets make 3 more positioned correctly, we cando that by translating the orgional artound the center of the image
             var center = new Vector2(imageWidth / 2, imageHeight / 2);
-            var angle = Math.PI / 2f;
 
             float rightPos = imageWidth - cornerToptLeft.Bounds.Width + 1;
             float bottomPos = imageHeight - cornerToptLeft.Bounds.Height + 1;

src/ImageSharp/Processing/Binarization/Dither.cs

@@ -23,7 +23,6 @@ namespace ImageSharp
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image this method extends.</param>
         /// <param name="dither">The ordered ditherer.</param>
-        /// <param name="index">The component index to test the threshold against. Must range from 0 to 3.</param>
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageOperations<TPixel> Dither<TPixel>(this IImageOperations<TPixel> source, IOrderedDither dither)
             where TPixel : struct, IPixel<TPixel>
@@ -31,6 +30,7 @@ namespace ImageSharp
             source.ApplyProcessor(new OrderedDitherProcessor<TPixel>(dither, 0));
             return source;
         }
+
         /// <summary>
         /// Dithers the image reducing it to two colors using ordered dithering.
         /// </summary>
@@ -55,7 +55,6 @@ namespace ImageSharp
         /// <param name="rectangle">
         /// The <see cref="Rectangle"/> structure that specifies the portion of the image object to alter.
         /// </param>
-        /// <param name="index">The component index to test the threshold against. Must range from 0 to 3.</param>
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageOperations<TPixel> Dither<TPixel>(this IImageOperations<TPixel> source, IOrderedDither dither, Rectangle rectangle)
             where TPixel : struct, IPixel<TPixel>

src/ImageSharp/Processing/Convolution/BoxBlur.cs

@@ -22,7 +22,6 @@ namespace ImageSharp
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image this method extends.</param>
-        /// <param name="radius">The 'radius' value representing the size of the area to sample.</param>
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageOperations<TPixel> BoxBlur<TPixel>(this IImageOperations<TPixel> source)
             where TPixel : struct, IPixel<TPixel>

src/ImageSharp/Processing/Convolution/DetectEdges.cs

@@ -53,7 +53,6 @@ namespace ImageSharp
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image this method extends.</param>
         /// <param name="filter">The filter for detecting edges.</param>
-        /// <param name="grayscale">Whether to convert the image to Grayscale first. Defaults to true.</param>
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageOperations<TPixel> DetectEdges<TPixel>(this IImageOperations<TPixel> source, EdgeDetection filter)
             where TPixel : struct, IPixel<TPixel>

src/ImageSharp/Processing/Convolution/GaussianBlur.cs

@@ -23,11 +23,11 @@ namespace ImageSharp
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image this method extends.</param>
-        /// <param name="sigma">The 'sigma' value representing the weight of the blur.</param>
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageOperations<TPixel> GaussianBlur<TPixel>(this IImageOperations<TPixel> source)
             where TPixel : struct, IPixel<TPixel>
             => source.ApplyProcessor(new GaussianBlurProcessor<TPixel>(3f));
+
         /// <summary>
         /// Applies a Gaussian blur to the image.
         /// </summary>

src/ImageSharp/Processing/Convolution/GaussianSharpen.cs

@@ -23,7 +23,6 @@ namespace ImageSharp
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image this method extends.</param>
-        /// <param name="sigma">The 'sigma' value representing the weight of the blur.</param>
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageOperations<TPixel> GaussianSharpen<TPixel>(this IImageOperations<TPixel> source)
             where TPixel : struct, IPixel<TPixel>

src/ImageSharp/Processing/Delegate.cs

@@ -26,6 +26,5 @@ namespace ImageSharp
         public static IImageOperations<TPixel> Run<TPixel>(this IImageOperations<TPixel> source, Action<Image<TPixel>> operation)
                 where TPixel : struct, IPixel<TPixel>
             => source.ApplyProcessor(new DelegateProcessor<TPixel>(operation));
-
     }
 }

src/ImageSharp/Processing/Effects/Pixelate.cs

@@ -22,7 +22,6 @@ namespace ImageSharp
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image this method extends.</param>
-        /// <param name="size">The size of the pixels.</param>
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageOperations<TPixel> Pixelate<TPixel>(this IImageOperations<TPixel> source)
             where TPixel : struct, IPixel<TPixel>

tests/ImageSharp.Benchmarks/General/PixelConversion_ConvertFromRgba32.cs

@@ -142,7 +142,7 @@ namespace ImageSharp.Benchmarks.General
         [Params(32)]
         public int Count { get; set; }
 
-        [Setup]
+        [GlobalSetup]
         public void Setup()
         {
             this.compatibleMemLayoutRunner = new ConversionRunner<TestRgba>(this.Count);

tests/ImageSharp.Benchmarks/General/PixelConversion_ConvertFromVector4.cs

@@ -108,7 +108,7 @@ namespace ImageSharp.Benchmarks.General
         [Params(32)]
         public int Count { get; set; }
 
-        [Setup]
+        [GlobalSetup]
         public void Setup()
         {
             this.nonVectorRunner = new ConversionRunner<TestArgb>(this.Count);

tests/ImageSharp.Benchmarks/General/PixelConversion_ConvertToRgba32.cs

@@ -111,7 +111,7 @@ namespace ImageSharp.Benchmarks.General
         [Params(128)]
         public int Count { get; set; }
 
-        [Setup]
+        [GlobalSetup]
         public void Setup()
         {
             this.compatibleMemoryLayoutRunner = new ConversionRunner<TestRgba>(this.Count);