Cleanup

src/ImageSharp/Formats/Pbm/PbmDecoderCore.cs

@@ -115,7 +115,7 @@ namespace SixLabors.ImageSharp.Formats.Pbm
                     this.Encoding = PbmEncoding.Plain;
                     break;
                 case '4':
-                    // Binary PBM format: 1 component per pixel, 8 picels per byte.
+                    // Binary PBM format: 1 component per pixel, 8 pixels per byte.
                     this.ColorType = PbmColorType.BlackAndWhite;
                     this.Encoding = PbmEncoding.Binary;
                     break;

src/ImageSharp/Formats/Pbm/PbmEncoder.cs

@@ -13,9 +13,9 @@ namespace SixLabors.ImageSharp.Formats.Pbm
     /// Image encoder for writing an image to a stream as PGM, PBM or PPM bitmap. These images are from
     /// the family of PNM images.
     /// <para>
-    /// The PNM formats are a faily simple image format. They share a plain text header, consisting of:
+    /// The PNM formats are a fairly simple image format. They share a plain text header, consisting of:
     /// signature, width, height and max_pixel_value only. The pixels follow thereafter and can be in
-    /// plain text decimals seperated by spaces, or binary encoded.
+    /// plain text decimals separated by spaces, or binary encoded.
     /// <list type="bullet">
     /// <item>
     /// <term>PBM</term>

src/ImageSharp/Formats/Pbm/PbmFormat.cs

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.Formats.Pbm
         /// <summary>
         /// Gets the current instance.
         /// </summary>
-        public static PbmFormat Instance { get; } = new PbmFormat();
+        public static PbmFormat Instance { get; } = new();
 
         /// <inheritdoc/>
         public string Name => "PBM";

src/ImageSharp/Formats/Pbm/PbmMetadata.cs

@@ -11,10 +11,7 @@ namespace SixLabors.ImageSharp.Formats.Pbm
         /// <summary>
         /// Initializes a new instance of the <see cref="PbmMetadata"/> class.
         /// </summary>
-        public PbmMetadata()
-        {
-            this.MaxPixelValue = this.ColorType == PbmColorType.BlackAndWhite ? 1 : 255;
-        }
+        public PbmMetadata() => this.MaxPixelValue = this.ColorType == PbmColorType.BlackAndWhite ? 1 : 255;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="PbmMetadata"/> class.

src/ImageSharp/Formats/Pbm/PlainDecoder.cs

@@ -14,8 +14,8 @@ namespace SixLabors.ImageSharp.Formats.Pbm
     /// </summary>
     internal class PlainDecoder
     {
-        private static L8 white = new L8(255);
-        private static L8 black = new L8(0);
+        private static readonly L8 White = new(255);
+        private static readonly L8 Black = new(0);
 
         /// <summary>
         /// Decode the specified pixels.
@@ -184,7 +184,7 @@ namespace SixLabors.ImageSharp.Formats.Pbm
                 {
                     int value = stream.ReadDecimal();
                     stream.SkipWhitespaceAndComments();
-                    rowSpan[x] = value == 0 ? white : black;
+                    rowSpan[x] = value == 0 ? White : Black;
                 }
 
                 Span<TPixel> pixelSpan = pixels.GetRowSpan(y);

tests/ImageSharp.Tests/Formats/Pbm/PbmEncoderTests.cs

@@ -4,7 +4,6 @@
 using System.IO;
 using SixLabors.ImageSharp.Formats.Pbm;
 using SixLabors.ImageSharp.PixelFormats;
-using SixLabors.ImageSharp.Tests.Formats.Tga;
 using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
 using Xunit;
 using static SixLabors.ImageSharp.Tests.TestImages.Pbm;
@@ -17,7 +16,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Pbm
     public class PbmEncoderTests
     {
         public static readonly TheoryData<PbmColorType> ColorType =
-            new TheoryData<PbmColorType>
+            new()
             {
                 PbmColorType.BlackAndWhite,
                 PbmColorType.Grayscale,
@@ -25,7 +24,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Pbm
             };
 
         public static readonly TheoryData<string, PbmColorType> PbmColorTypeFiles =
-            new TheoryData<string, PbmColorType>
+            new()
             {
                 { BlackAndWhiteBinary, PbmColorType.BlackAndWhite },
                 { BlackAndWhitePlain, PbmColorType.BlackAndWhite },
@@ -67,7 +66,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Pbm
                 Encoding = PbmEncoding.Plain
             };
 
-            TestFile testFile = TestFile.Create(imagePath);
+            var testFile = TestFile.Create(imagePath);
             using (Image<Rgba32> input = testFile.CreateRgba32Image())
             {
                 using (var memStream = new MemoryStream())