Cleanup

src/ImageSharp.Processing/Processors/Binarization/OrderedDitherProcessor.cs

@@ -1,4 +1,4 @@
-// <copyright file="ErrorDiffusionDitherProcessor.cs" company="James Jackson-South">
+// <copyright file="OrderedDitherProcessor.cs" company="James Jackson-South">
 // Copyright (c) James Jackson-South and contributors.
 // Licensed under the Apache License, Version 2.0.
 // </copyright>
@@ -18,7 +18,7 @@ namespace ImageSharp.Processing.Processors
         where TColor : struct, IPackedPixel, IEquatable<TColor>
     {
         /// <summary>
-        /// Initializes a new instance of the <see cref="ErrorDiffusionDitherProcessor{TColor}"/> class.
+        /// Initializes a new instance of the <see cref="OrderedDitherProcessor{TColor}"/> class.
         /// </summary>
         /// <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>

src/ImageSharp/Dithering/Ordered/Bayer.cs

@@ -17,11 +17,12 @@ namespace ImageSharp.Dithering.Ordered
         /// The threshold matrix.
         /// This is calculated by multiplying each value in the original matrix by 16 and subtracting 1
         /// </summary>
-        private static readonly byte[,] ThresholdMatrix = {
-            {  15, 143,  47, 175 },
-            { 207,  79, 239, 111 },
-            {  63, 191,  31, 159 },
-            { 255, 127, 223,  95 }
+        private static readonly byte[,] ThresholdMatrix =
+        {
+            { 15, 143, 47, 175 },
+            { 207, 79, 239, 111 },
+            { 63, 191, 31, 159 },
+            { 255, 127, 223, 95 }
         };
 
         /// <inheritdoc />

src/ImageSharp/Dithering/Ordered/Ordered.cs

@@ -17,11 +17,12 @@ namespace ImageSharp.Dithering.Ordered
         /// The threshold matrix.
         /// This is calculated by multiplying each value in the original matrix by 16
         /// </summary>
-        private static readonly byte[,] ThresholdMatrix = {
-            {   0,  128,  32, 160 },
-            { 192,   64, 224,  96 },
-            {  48,  176,  16, 144 },
-            { 240,  112, 208,  80 }
+        private static readonly byte[,] ThresholdMatrix =
+        {
+            { 0, 128, 32, 160 },
+            { 192, 64, 224, 96 },
+            { 48, 176, 16, 144 },
+            { 240, 112, 208, 80 }
         };
 
         /// <inheritdoc />

src/ImageSharp/Quantizers/Octree/OctreeQuantizer.cs

@@ -437,7 +437,7 @@ namespace ImageSharp.Quantizers
                 {
                     if (this.leaf)
                     {
-                        // TODO: Test Vector4 here
+                        // This seems faster than using Vector4
                         byte r = (this.red / this.pixelCount).ToByte();
                         byte g = (this.green / this.pixelCount).ToByte();
                         byte b = (this.blue / this.pixelCount).ToByte();

src/ImageSharp/Quantizers/Quantize.cs

@@ -57,8 +57,6 @@ namespace ImageSharp
             where TColor : struct, IPackedPixel, IEquatable<TColor>
         {
             QuantizedImage<TColor> quantized = quantizer.Quantize(source, maxColors);
-
-            int pixelCount = quantized.Pixels.Length;
             int palleteCount = quantized.Palette.Length - 1;
 
             using (PixelAccessor<TColor> pixels = new PixelAccessor<TColor>(quantized.Width, quantized.Height))
@@ -69,9 +67,9 @@ namespace ImageSharp
                     source.Configuration.ParallelOptions,
                     y =>
                     {
-                        for (var x = 0; x < pixels.Width; x++)
+                        for (int x = 0; x < pixels.Width; x++)
                         {
-                            var i = x + (y * pixels.Width);
+                            int i = x + (y * pixels.Width);
                             TColor color = quantized.Palette[Math.Min(palleteCount, quantized.Pixels[i])];
                             pixels[x, y] = color;
                         }

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

@@ -19,7 +19,7 @@ namespace ImageSharp.Tests
         [Fact]
         public void ImageCanSaveIndexedPng()
         {
-            string path = CreateOutputDirectory("Png");
+            string path = CreateOutputDirectory("Png", "Indexed");
 
             foreach (TestFile file in Files)
             {