Remove bytes functions

Former-commit-id: 153a5f985339b738d1cf15e10a3d42a6613ef729
Former-commit-id: ece59225c4bd1e6afad22fcf7a18d5cb60189228
Former-commit-id: 9d9fe57bb80e756284f496373c630b9ea09f3058

src/ImageProcessorCore/Colors/Color.cs

@@ -160,7 +160,7 @@ namespace ImageProcessorCore
         public Color(float r, float g, float b, float a = 1)
             : this()
         {
-            Pack(ref r, ref g, ref b, ref a);
+            this.packedValue = Pack(r, g, b, a);
         }
 
         /// <summary>
@@ -172,8 +172,7 @@ namespace ImageProcessorCore
         public Color(Vector3 vector)
             : this()
         {
-            float a = 1;
-            Pack(ref vector.X, ref vector.Y, ref vector.Z, ref a);
+            this.packedValue = Pack(ref vector);
         }
 
         /// <summary>
@@ -282,25 +281,39 @@ namespace ImageProcessorCore
         }
 
         /// <summary>
-        /// Packs a vector into a uint.
+        /// Packs a <see cref="Vector4"/> into a uint.
         /// </summary>
         /// <param name="vector">The vector containing the values to pack.</param>
         /// <returns>The ulong containing the packed values.</returns>
         private static uint Pack(ref Vector4 vector)
         {
-            // TODO: Maybe use Vector4.Clamp() instead.
-            return (uint)((byte)Math.Round(vector.X * Max).Clamp(Min, Max)
-                   | ((byte)Math.Round(vector.Y * Max).Clamp(Min, Max) << 8)
-                   | (byte)Math.Round(vector.Z * Max).Clamp(Min, Max) << 16
-                   | (byte)Math.Round(vector.W * Max).Clamp(Min, Max) << 24);
+            return Pack(vector.X, vector.Y, vector.Z, vector.W);
+        }
+
+        /// <summary>
+        /// Packs a <see cref="Vector3"/> into a uint.
+        /// </summary>
+        /// <param name="vector">The vector containing the values to pack.</param>
+        /// <returns>The ulong containing the packed values.</returns>
+        private static uint Pack(ref Vector3 vector)
+        {
+            return Pack(vector.X, vector.Y, vector.Z, 1);
         }
 
-        private static uint Pack(ref float x, ref float y, ref float z, ref float w)
+        /// <summary>
+        /// Packs the four floats into a uint.
+        /// </summary>
+        /// <param name="x">The x-component</param>
+        /// <param name="y">The y-component</param>
+        /// <param name="z">The z-component</param>
+        /// <param name="w">The w-component</param>
+        /// <returns>The <see cref="uint"/></returns>
+        private static uint Pack(float x, float y, float z, float w)
         {
-            return (uint)((byte)Math.Round(x * Max).Clamp(Min, Max)
-                   | ((byte)Math.Round(y * Max).Clamp(Min, Max) << 8)
-                   | (byte)Math.Round(z * Max).Clamp(Min, Max) << 16
-                   | (byte)Math.Round(w * Max).Clamp(Min, Max) << 24);
+            return (uint)((byte)Math.Round(x.Clamp(0, 1) * Max)
+                   | ((byte)Math.Round(y.Clamp(0, 1) * Max) << 8)
+                   | (byte)Math.Round(z.Clamp(0, 1) * Max) << 16
+                   | (byte)Math.Round(w.Clamp(0, 1) * Max) << 24);
         }
 
         /// <summary>

src/ImageProcessorCore/Colors/PackedVector/IPackedVector.cs

@@ -16,22 +16,6 @@ namespace ImageProcessorCore
         where TPacked : struct
     {
         TPacked PackedValue { get; set; }
-
-        ///// <summary>
-        ///// Directly gets the packed representation of the packed vector.
-        ///// Typically packed in least to greatest significance order.
-        ///// </summary>
-        ///// <returns>
-        ///// The <see cref="TPacked"/>.
-        ///// </returns>
-        //TPacked GetPackedValue();
-
-        ///// <summary>
-        ///// Directly sets the packed representation of the packed vector.
-        ///// Typically packed in least to greatest significance order.
-        ///// </summary>
-        ///// <param name="value">The packed value.</param>
-        //void SetPackedValue(TPacked value);
     }
 
     /// <summary>
@@ -45,14 +29,14 @@ namespace ImageProcessorCore
         /// <param name="vector">The vector to create the packed representation from.</param>
         void PackFromVector4(Vector4 vector);
 
-        /// <summary>
-        /// Sets the packed representation from a <see cref="T:byte[]"/>.
-        /// </summary>
-        /// <param name="x">The x-component to create the packed representation from.</param>
-        /// <param name="y">The y-component to create the packed representation from.</param>
-        /// <param name="z">The z-component to create the packed representation from.</param>
-        /// <param name="w">The w-component to create the packed representation from.</param>
-        void PackFromBytes(byte x, byte y, byte z, byte w);
+        ///// <summary>
+        ///// Sets the packed representation from a <see cref="T:byte[]"/>.
+        ///// </summary>
+        ///// <param name="x">The x-component to create the packed representation from.</param>
+        ///// <param name="y">The y-component to create the packed representation from.</param>
+        ///// <param name="z">The z-component to create the packed representation from.</param>
+        ///// <param name="w">The w-component to create the packed representation from.</param>
+        //void PackFromBytes(byte x, byte y, byte z, byte w);
 
         /// <summary>
         /// Expands the packed representation into a <see cref="Vector4"/>.
@@ -61,12 +45,12 @@ namespace ImageProcessorCore
         /// <returns>The <see cref="Vector4"/>.</returns>
         Vector4 ToVector4();
 
-        /// <summary>
-        /// Expands the packed representation into a <see cref="T:byte[]"/>.
-        /// The bytes are typically expanded in least to greatest significance order.
-        /// Red -> Green -> Blue -> Alpha
-        /// </summary>
-        /// <returns>The <see cref="Vector4"/>.</returns>
-        byte[] ToBytes();
+        ///// <summary>
+        ///// Expands the packed representation into a <see cref="T:byte[]"/>.
+        ///// The bytes are typically expanded in least to greatest significance order.
+        ///// Red -> Green -> Blue -> Alpha
+        ///// </summary>
+        ///// <returns>The <see cref="Vector4"/>.</returns>
+        //byte[] ToBytes();
     }
 }

src/ImageProcessorCore/Common/Helpers/ImageMaths.cs

@@ -180,19 +180,19 @@ namespace ImageProcessorCore
             switch (channel)
             {
                 case RgbaComponent.R:
-                    delegateFunc = (pixels, x, y, b) => Math.Abs(pixels[x, y].ToBytes()[0] - b) > Epsilon;
+                    delegateFunc = (pixels, x, y, b) => Math.Abs(pixels[x, y].ToVector4().X - b) > Epsilon;
                     break;
 
                 case RgbaComponent.G:
-                    delegateFunc = (pixels, x, y, b) => Math.Abs(pixels[x, y].ToBytes()[1] - b) > Epsilon;
+                    delegateFunc = (pixels, x, y, b) => Math.Abs(pixels[x, y].ToVector4().Y - b) > Epsilon;
                     break;
 
                 case RgbaComponent.B:
-                    delegateFunc = (pixels, x, y, b) => Math.Abs(pixels[x, y].ToBytes()[2] - b) > Epsilon;
+                    delegateFunc = (pixels, x, y, b) => Math.Abs(pixels[x, y].ToVector4().Z - b) > Epsilon;
                     break;
 
                 default:
-                    delegateFunc = (pixels, x, y, b) => Math.Abs(pixels[x, y].ToBytes()[3] - b) > Epsilon;
+                    delegateFunc = (pixels, x, y, b) => Math.Abs(pixels[x, y].ToVector4().W - b) > Epsilon;
                     break;
             }
 

src/ImageProcessorCore/Filters/DetectEdges.cs

@@ -118,7 +118,7 @@ namespace ImageProcessorCore
                     break;
 
                 default:
-                    processor = new ScharrProcessor<TColor, TPacked> { Grayscale = grayscale };
+                    processor = new SobelProcessor<TColor, TPacked> { Grayscale = grayscale };
                     break;
             }
 

src/ImageProcessorCore/Filters/Processors/ColorMatrix/LomographProcessor.cs

@@ -31,7 +31,7 @@ namespace ImageProcessorCore.Processors
         protected override void AfterApply(ImageBase<TColor, TPacked> target, ImageBase<TColor, TPacked> source, Rectangle targetRectangle, Rectangle sourceRectangle)
         {
             TColor packed = default(TColor);
-            packed.PackFromBytes(0, 10, 0, 255); // Very dark (mostly black) lime green.
+            packed.PackFromVector4(new Color(0, 10, 0).ToVector4()); // Very dark (mostly black) lime green.
             new VignetteProcessor<TColor, TPacked> { VignetteColor = packed }.Apply(target, target, sourceRectangle);
         }
     }

src/ImageProcessorCore/Filters/Processors/ColorMatrix/PolaroidProcessor.cs

@@ -37,11 +37,11 @@ namespace ImageProcessorCore.Processors
         protected override void AfterApply(ImageBase<TColor, TPacked> target, ImageBase<TColor, TPacked> source, Rectangle targetRectangle, Rectangle sourceRectangle)
         {
             TColor packedV = default(TColor);
-            packedV.PackFromBytes(102, 34, 0, 255); // Very dark orange [Brown tone]
+            packedV.PackFromVector4(new Color(102, 34, 0).ToVector4()); // Very dark orange [Brown tone]
             new VignetteProcessor<TColor, TPacked> { VignetteColor = packedV }.Apply(target, target, sourceRectangle);
 
             TColor packedG = default(TColor);
-            packedG.PackFromBytes(255, 153, 102, 178); // Light orange
+            packedG.PackFromVector4(new Color(255, 153, 102, 178).ToVector4()); // Light orange
             new GlowProcessor<TColor, TPacked> { GlowColor = packedG, Radius = target.Width / 4F }.Apply(target, target, sourceRectangle);
         }
     }

src/ImageProcessorCore/Formats/Bmp/BmpDecoderCore.cs

@@ -243,7 +243,7 @@ namespace ImageProcessorCore.Formats
 
                                 // Stored in b-> g-> r order.
                                 TColor packed = default(TColor);
-                                packed.PackFromBytes(colors[colorIndex + 2], colors[colorIndex + 1], colors[colorIndex], 255);
+                                packed.PackFromVector4(new Color(colors[colorIndex + 2], colors[colorIndex + 1], colors[colorIndex]).ToVector4());
                                 imageData[arrayOffset] = packed;
                             }
                         }
@@ -295,7 +295,7 @@ namespace ImageProcessorCore.Formats
 
                             // Stored in b-> g-> r order.
                             TColor packed = default(TColor);
-                            packed.PackFromBytes(r, g, b, 255);
+                            packed.PackFromVector4(new Color(r, g, b).ToVector4());
                             imageData[arrayOffset] = packed;
                         }
                     });
@@ -333,10 +333,9 @@ namespace ImageProcessorCore.Formats
                             int offset = rowOffset + (x * 3);
                             int arrayOffset = ((row * width) + x);
 
-                            // We divide by 255 as we will store the colors in our floating point format.
                             // Stored in b-> g-> r-> a order.
                             TColor packed = default(TColor);
-                            packed.PackFromBytes(data[offset + 2], data[offset + 1], data[offset], 255);
+                            packed.PackFromVector4(new Color(data[offset + 2], data[offset + 1], data[offset]).ToVector4());
                             imageData[arrayOffset] = packed;
                         }
                     });
@@ -376,7 +375,7 @@ namespace ImageProcessorCore.Formats
 
                             // Stored in b-> g-> r-> a order.
                             TColor packed = default(TColor);
-                            packed.PackFromBytes(data[offset + 2], data[offset + 1], data[offset], data[offset + 3]);
+                            packed.PackFromVector4(new Color(data[offset + 2], data[offset + 1], data[offset], data[offset + 3]).ToVector4());
                             imageData[arrayOffset] = packed;
                         }
                     });

src/ImageProcessorCore/Formats/Bmp/BmpEncoderCore.cs

@@ -160,8 +160,8 @@ namespace ImageProcessorCore.Formats
                 for (int x = 0; x < pixels.Width; x++)
                 {
                     // Convert back to b-> g-> r-> a order.
-                    byte[] bytes = pixels[x, y].ToBytes();
-                    writer.Write(new[] { bytes[2], bytes[1], bytes[0], bytes[3] });
+                    Color color = new Color(pixels[x, y].ToVector4());
+                    writer.Write(new[] { color.B, color.G, color.R, color.A });
                 }
 
                 // Pad
@@ -177,7 +177,7 @@ namespace ImageProcessorCore.Formats
         /// </summary>
         /// <typeparam name="TColor">The pixel format.</typeparam>
         /// <typeparam name="TPacked">The packed format. <example>uint, long, float.</example></typeparam>/// <param name="writer">The <see cref="EndianBinaryWriter"/> containing the stream to write to.</param>
-        /// <param name="pixels">The <see cref="IPixelAccessor"/> containing pixel data.</param>
+        /// <param name="pixels">The <see cref="PixelAccessor{TColor,TPacked}"/> containing pixel data.</param>
         private void Write24Bit<TColor, TPacked>(EndianBinaryWriter writer, PixelAccessor<TColor, TPacked> pixels)
             where TColor : IPackedVector<TPacked>
             where TPacked : struct
@@ -187,8 +187,8 @@ namespace ImageProcessorCore.Formats
                 for (int x = 0; x < pixels.Width; x++)
                 {
                     // Convert back to b-> g-> r order.
-                    byte[] bytes = pixels[x, y].ToBytes();
-                    writer.Write(new[] { bytes[2], bytes[1], bytes[0] });
+                    Color color = new Color(pixels[x, y].ToVector4());
+                    writer.Write(new[] { color.B, color.G, color.R });
                 }
 
                 // Pad

src/ImageProcessorCore/Formats/Gif/GifDecoderCore.cs

@@ -358,9 +358,8 @@ namespace ImageProcessorCore.Formats
                     {
                         // Stored in r-> g-> b-> a order.
                         int indexOffset = index * 3;
-
                         TColor pixel = default(TColor);
-                        pixel.PackFromBytes(colorTable[indexOffset], colorTable[indexOffset + 1], colorTable[indexOffset + 2], 255);
+                        pixel.PackFromVector4(new Color(colorTable[indexOffset], colorTable[indexOffset + 1], colorTable[indexOffset + 2]).ToVector4());
                         this.currentFrame[offset] = pixel;
                     }
 

src/ImageProcessorCore/Formats/Gif/GifEncoderCore.cs

@@ -281,11 +281,11 @@ namespace ImageProcessorCore.Formats
                 i =>
                 {
                     int offset = i * 3;
-                    byte[] color = palette[i].ToBytes();
+                    Color color = new Color(palette[i].ToVector4());
 
-                    colorTable[offset] = color[0];
-                    colorTable[offset + 1] = color[1];
-                    colorTable[offset + 2] = color[2];
+                    colorTable[offset] = color.R;
+                    colorTable[offset + 1] = color.G;
+                    colorTable[offset + 2] = color.B;
                 });
 
             writer.Write(colorTable, 0, colorTableLength);

src/ImageProcessorCore/Formats/Jpg/JpegDecoderCore.cs.REMOVED.git-id

@@ -1 +1 @@
-d6ce5dd6236ac6ef9ba570fb4e57e81c06bbb854
+508fcf1910c42f4e080fcfd9c9f22ba724c1990c

src/ImageProcessorCore/Formats/Jpg/JpegEncoderCore.cs

@@ -2,6 +2,9 @@
 // Copyright (c) James Jackson-South and contributors.
 // Licensed under the Apache License, Version 2.0.
 // </copyright>
+
+using System.Numerics;
+
 namespace ImageProcessorCore.Formats
 {
     using System;
@@ -349,10 +352,7 @@ namespace ImageProcessorCore.Formats
             {
                 for (int i = 0; i < 8; i++)
                 {
-                    // Bytes are expected in r->g->b->a oder.
-                    byte[] pixel = pixels[Math.Min(x + i, xmax), Math.Min(y + j, ymax)].ToBytes();
-
-                    YCbCr color = new Color(pixel[0], pixel[1], pixel[2], pixel[3]);
+                    YCbCr color = new Color(pixels[Math.Min(x + i, xmax), Math.Min(y + j, ymax)].ToVector4());
                     int index = (8 * j) + i;
                     yBlock[index] = (int)color.Y;
                     cbBlock[index] = (int)color.Cb;

src/ImageProcessorCore/Formats/Png/PngDecoderCore.cs

@@ -3,6 +3,8 @@
 // Licensed under the Apache License, Version 2.0.
 // </copyright>
 
+using System.Numerics;
+
 namespace ImageProcessorCore.Formats
 {
     using System;
@@ -339,7 +341,7 @@ namespace ImageProcessorCore.Formats
                         byte intensity = defilteredScanline[offset];
 
                         TColor color = default(TColor);
-                        color.PackFromBytes(intensity, intensity, intensity, 255);
+                        color.PackFromVector4(new Vector4(intensity, intensity, intensity, 255) / 255F);
                         pixels[(row * this.header.Width) + x] = color;
                     }
 
@@ -355,7 +357,7 @@ namespace ImageProcessorCore.Formats
                         byte alpha = defilteredScanline[offset + bytesPerSample];
 
                         TColor color = default(TColor);
-                        color.PackFromBytes(intensity, intensity, intensity, alpha);
+                        color.PackFromVector4(new Vector4(intensity, intensity, intensity, alpha) / 255F);
                         pixels[(row * this.header.Width) + x] = color;
                     }
 
@@ -382,7 +384,7 @@ namespace ImageProcessorCore.Formats
                                 byte r = this.palette[pixelOffset];
                                 byte g = this.palette[pixelOffset + 1];
                                 byte b = this.palette[pixelOffset + 2];
-                                color.PackFromBytes(r, g, b, a);
+                                color.PackFromVector4(new Vector4(r, g, b, a) / 255F);
                             }
 
                             pixels[offset] = color;
@@ -401,7 +403,7 @@ namespace ImageProcessorCore.Formats
                             byte b = this.palette[pixelOffset + 2];
 
                             TColor color = default(TColor);
-                            color.PackFromBytes(r, g, b, 255);
+                            color.PackFromVector4(new Vector4(r, g, b, 255) / 255F);
                             pixels[offset] = color;
                         }
                     }
@@ -419,7 +421,7 @@ namespace ImageProcessorCore.Formats
                         byte b = defilteredScanline[offset + 2 * bytesPerSample];
 
                         TColor color = default(TColor);
-                        color.PackFromBytes(r, g, b, 255);
+                        color.PackFromVector4(new Vector4(r, g, b, 255) / 255F);
                         pixels[(row * this.header.Width) + x] = color;
                     }
 
@@ -437,7 +439,7 @@ namespace ImageProcessorCore.Formats
                         byte a = defilteredScanline[offset + 3 * bytesPerSample];
 
                         TColor color = default(TColor);
-                        color.PackFromBytes(r, g, b, a);
+                        color.PackFromVector4(new Vector4(r, g, b, a) / 255F);
                         pixels[(row * this.header.Width) + x] = color;
                     }
 

src/ImageProcessorCore/Formats/Png/PngEncoderCore.cs

@@ -264,15 +264,17 @@ namespace ImageProcessorCore.Formats
                    Bootstrapper.Instance.ParallelOptions,
                    y =>
                    {
-                       // Color data is stored in r -> g -> b -> a order
                        for (int x = 0; x < this.width; x++)
                        {
                            int dataOffset = (y * stride) + (x * this.bytesPerPixel);
-                           byte[] source = pixels[x, y].ToBytes();
+                           Color source = new Color(pixels[x, y].ToVector4());
 
-                           for (int i = 0; i < this.bytesPerPixel; i++)
+                           this.pixelData[dataOffset] = source.R;
+                           this.pixelData[dataOffset + 1] = source.G;
+                           this.pixelData[dataOffset + 2] = source.B;
+                           if (this.bytesPerPixel == 4)
                            {
-                               this.pixelData[dataOffset + i] = source[i];
+                               this.pixelData[dataOffset + 3] = source.A;
                            }
                        }
                    });
@@ -511,12 +513,10 @@ namespace ImageProcessorCore.Formats
                 i =>
                 {
                     int offset = i * 3;
-                    byte[] color = palette[i].ToBytes();
-
-                    // Expected format r->g->b
-                    colorTable[offset] = color[0];
-                    colorTable[offset + 1] = color[1];
-                    colorTable[offset + 2] = color[2];
+                    Color color = new Color(palette[i].ToVector4());
+                    colorTable[offset] = color.R;
+                    colorTable[offset + 1] = color.G;
+                    colorTable[offset + 2] = color.B;
                 });
 
             this.WriteChunk(stream, PngChunkTypes.Palette, colorTable);

src/ImageProcessorCore/Quantizers/Octree/OctreeQuantizer.cs

@@ -86,7 +86,7 @@ namespace ImageProcessorCore.Quantizers
             byte paletteIndex = (byte)this.colors;
 
             // Get the palette index if it's transparency meets criterea.
-            if (pixel.ToBytes()[3] > this.Threshold)
+            if (new Color(pixel.ToVector4()).A > this.Threshold)
             {
                 paletteIndex = (byte)this.octree.GetPaletteIndex(pixel);
             }
@@ -397,10 +397,10 @@ namespace ImageProcessorCore.Quantizers
                     {
                         // Go to the next level down in the tree
                         int shift = 7 - level;
-                        byte[] components = pixel.ToBytes();
-                        int index = ((components[2] & Mask[level]) >> (shift - 2)) |
-                                    ((components[1] & Mask[level]) >> (shift - 1)) |
-                                    ((components[0] & Mask[level]) >> shift);
+                        Color color = new Color(pixel.ToVector4());
+                        int index = ((color.B & Mask[level]) >> (shift - 2)) |
+                                    ((color.G & Mask[level]) >> (shift - 1)) |
+                                    ((color.R & Mask[level]) >> shift);
 
                         OctreeNode child = this.children[index];
 
@@ -468,7 +468,7 @@ namespace ImageProcessorCore.Quantizers
 
                         // And set the color of the palette entry
                         TColor pixel = default(TColor);
-                        pixel.PackFromBytes(r, g, b, 255);
+                        pixel.PackFromVector4(new Color(r, g, b).ToVector4());
                         palette.Add(pixel);
                     }
                     else
@@ -487,12 +487,8 @@ namespace ImageProcessorCore.Quantizers
                 /// <summary>
                 /// Return the palette index for the passed color
                 /// </summary>
-                /// <param name="pixel">
-                /// The <see cref="T"/> representing the pixel.
-                /// </param>
-                /// <param name="level">
-                /// The level.
-                /// </param>
+                /// <param name="pixel">The <see cref="TColor"/> representing the pixel.</param>
+                /// <param name="level">The level.</param>
                 /// <returns>
                 /// The <see cref="int"/> representing the index of the pixel in the palette.
                 /// </returns>
@@ -503,10 +499,10 @@ namespace ImageProcessorCore.Quantizers
                     if (!this.leaf)
                     {
                         int shift = 7 - level;
-                        byte[] components = pixel.ToBytes();
-                        int pixelIndex = ((components[2] & Mask[level]) >> (shift - 2)) |
-                                         ((components[1] & Mask[level]) >> (shift - 1)) |
-                                         ((components[0] & Mask[level]) >> shift);
+                        Color color = new Color(pixel.ToVector4());
+                        int pixelIndex = ((color.B & Mask[level]) >> (shift - 2)) |
+                                         ((color.G & Mask[level]) >> (shift - 1)) |
+                                         ((color.R & Mask[level]) >> shift);
 
                         if (this.children[pixelIndex] != null)
                         {
@@ -530,10 +526,10 @@ namespace ImageProcessorCore.Quantizers
                 public void Increment(TColor pixel)
                 {
                     this.pixelCount++;
-                    byte[] components = pixel.ToBytes();
-                    this.red += components[0];
-                    this.green += components[1];
-                    this.blue += components[2];
+                    Color color = new Color(pixel.ToVector4());
+                    this.red += color.R;
+                    this.green += color.G;
+                    this.blue += color.B;
                 }
             }
         }

src/ImageProcessorCore/Quantizers/Palette/PaletteQuantizer.cs

@@ -81,13 +81,13 @@ namespace ImageProcessorCore.Quantizers
             {
                 // Not found - loop through the palette and find the nearest match.
                 // Firstly check the alpha value - if less than the threshold, lookup the transparent color
-                byte[] bytes = pixel.ToBytes();
-                if (!(bytes[3] > this.Threshold))
+                Color color =new Color(pixel.ToVector4());
+                if (!(color.A > this.Threshold))
                 {
                     // Transparent. Lookup the first color with an alpha value of 0
                     for (int index = 0; index < this.colors.Length; index++)
                     {
-                        if (this.colors[index].ToBytes()[3] == 0)
+                        if (new Color(this.colors[index].ToVector4()).A == 0)
                         {
                             colorIndex = (byte)index;
                             this.TransparentIndex = colorIndex;
@@ -99,17 +99,17 @@ namespace ImageProcessorCore.Quantizers
                 {
                     // Not transparent...
                     int leastDistance = int.MaxValue;
-                    int red = bytes[0];
-                    int green = bytes[1];
-                    int blue = bytes[2];
+                    int red = color.R;
+                    int green = color.G;
+                    int blue = color.B;
 
                     // Loop through the entire palette, looking for the closest color match
                     for (int index = 0; index < this.colors.Length; index++)
                     {
-                        byte[] paletteColor = this.colors[index].ToBytes();
-                        int redDistance = paletteColor[0] - red;
-                        int greenDistance = paletteColor[1] - green;
-                        int blueDistance = paletteColor[2] - blue;
+                        Color paletteColor = new Color(this.colors[index].ToVector4());
+                        int redDistance = paletteColor.R - red;
+                        int greenDistance = paletteColor.G - green;
+                        int blueDistance = paletteColor.B - blue;
 
                         int distance = (redDistance * redDistance) +
                                        (greenDistance * greenDistance) +

src/ImageProcessorCore/Quantizers/Wu/WuQuantizer.cs

@@ -3,6 +3,8 @@
 // Licensed under the Apache License, Version 2.0.
 // </copyright>
 
+using System.Numerics;
+
 namespace ImageProcessorCore.Quantizers
 {
     using System;
@@ -332,12 +334,12 @@ namespace ImageProcessorCore.Quantizers
                 for (int x = 0; x < pixels.Width; x++)
                 {
                     // Colors are expected in r->g->b->a format
-                    byte[] color = pixels[x, y].ToBytes();
+                   Color color = new Color(pixels[x, y].ToVector4());
 
-                    byte r = color[0];
-                    byte g = color[1];
-                    byte b = color[2];
-                    byte a = color[3];
+                    byte r = color.R;
+                    byte g = color.G;
+                    byte b = color.B;
+                    byte a = color.A;
 
                     int inr = r >> (8 - IndexBits);
                     int ing = g >> (8 - IndexBits);
@@ -745,7 +747,7 @@ namespace ImageProcessorCore.Quantizers
                     byte a = (byte)(Volume(cube[k], this.vma) / weight);
 
                     TColor color = default(TColor);
-                    color.PackFromBytes(r, g, b, a);
+                    color.PackFromVector4(new Vector4(r, g, b, a) / 255F);
 
                     if (color.Equals(default(TColor)))
                     {
@@ -770,13 +772,13 @@ namespace ImageProcessorCore.Quantizers
                         for (int x = 0; x < width; x++)
                         {
                             // Expected order r->g->b->a
-                            byte[] color = imagePixels[x, y].ToBytes();
-                            int r = color[0] >> (8 - IndexBits);
-                            int g = color[1] >> (8 - IndexBits);
-                            int b = color[2] >> (8 - IndexBits);
-                            int a = color[3] >> (8 - IndexAlphaBits);
+                            Color color = new Color(imagePixels[x, y].ToVector4());
+                            int r = color.R >> (8 - IndexBits);
+                            int g = color.G >> (8 - IndexBits);
+                            int b = color.B >> (8 - IndexBits);
+                            int a = color.A >> (8 - IndexAlphaBits);
 
-                            if (transparentIndex > -1 && color[3] <= this.Threshold)
+                            if (transparentIndex > -1 && color.A <= this.Threshold)
                             {
                                 pixels[(y * width) + x] = (byte)transparentIndex;
                                 continue;