Make all processors internal

src/ImageSharp.Drawing/Processors/DrawImageProcessor.cs

@@ -15,7 +15,7 @@ namespace ImageSharp.Drawing.Processors
     /// Combines two images together by blending the pixels.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class DrawImageProcessor<TColor> : ImageProcessor<TColor>
+    internal class DrawImageProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp.Drawing/Processors/DrawPathProcessor.cs

@@ -17,7 +17,7 @@ namespace ImageSharp.Drawing.Processors
     /// </summary>
     /// <typeparam name="TColor">The type of the color.</typeparam>
     /// <seealso cref="ImageSharp.Processing.ImageProcessor{TColor}" />
-    public class DrawPathProcessor<TColor> : ImageProcessor<TColor>
+    internal class DrawPathProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         private const float AntialiasFactor = 1f;

src/ImageSharp.Drawing/Processors/FillProcessor.cs

@@ -16,8 +16,8 @@ namespace ImageSharp.Drawing.Processors
     /// Using the bursh as a source of pixels colors blends the brush color with source.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class FillProcessor<TColor> : ImageProcessor<TColor>
-    where TColor : struct, IPixel<TColor>
+    internal class FillProcessor<TColor> : ImageProcessor<TColor>
+        where TColor : struct, IPixel<TColor>
     {
         /// <summary>
         /// The brush.

src/ImageSharp.Drawing/Processors/FillRegionProcessor.cs

@@ -17,7 +17,7 @@ namespace ImageSharp.Drawing.Processors
     /// </summary>
     /// <typeparam name="TColor">The type of the color.</typeparam>
     /// <seealso cref="ImageSharp.Processing.ImageProcessor{TColor}" />
-    public class FillRegionProcessor<TColor> : ImageProcessor<TColor>
+    internal class FillRegionProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         private const float AntialiasFactor = 1f;

src/ImageSharp/ImageProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing
     /// Allows the application of processors to images.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public abstract class ImageProcessor<TColor> : IImageProcessor<TColor>
+    internal abstract class ImageProcessor<TColor> : IImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

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

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// <see cref="Image"/>. The image will be converted to grayscale before thresholding occurs.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class BinaryThresholdProcessor<TColor> : ImageProcessor<TColor>
+    internal class BinaryThresholdProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

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

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="IImageProcessor{TColor}"/> that dithers an image using error diffusion.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class ErrorDiffusionDitherProcessor<TColor> : ImageProcessor<TColor>
+    internal class ErrorDiffusionDitherProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

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

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="IImageProcessor{TColor}"/> that dithers an image using error diffusion.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class OrderedDitherProcessor<TColor> : ImageProcessor<TColor>
+    internal class OrderedDitherProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/ColorMatrix/BlackWhiteProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image to their black and white equivalent.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class BlackWhiteProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class BlackWhiteProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/ColorBlindness/AchromatomalyProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating Achromatomaly (Color desensitivity) color blindness.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class AchromatomalyProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class AchromatomalyProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/ColorBlindness/AchromatopsiaProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating Achromatopsia (Monochrome) color blindness.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class AchromatopsiaProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class AchromatopsiaProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/ColorBlindness/DeuteranomalyProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating Deuteranomaly (Green-Weak) color blindness.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class DeuteranomalyProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class DeuteranomalyProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/ColorBlindness/DeuteranopiaProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating Deuteranopia (Green-Blind) color blindness.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class DeuteranopiaProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class DeuteranopiaProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/ColorBlindness/ProtanomalyProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating Protanopia (Red-Weak) color blindness.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class ProtanomalyProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class ProtanomalyProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/ColorBlindness/ProtanopiaProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating Protanopia (Red-Blind) color blindness.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class ProtanopiaProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class ProtanopiaProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/ColorBlindness/TritanomalyProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating Tritanomaly (Blue-Weak) color blindness.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class TritanomalyProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class TritanomalyProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/ColorBlindness/TritanopiaProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating Tritanopia (Blue-Blind) color blindness.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class TritanopiaProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class TritanopiaProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/ColorMatrixFilter.cs → src/ImageSharp/Processing/Processors/ColorMatrix/ColorMatrixProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// The color matrix filter. Inherit from this class to perform operation involving color matrices.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public abstract class ColorMatrixFilter<TColor> : ImageProcessor<TColor>, IColorMatrixFilter<TColor>
+    internal abstract class ColorMatrixProcessor<TColor> : ImageProcessor<TColor>, IColorMatrixFilter<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/GrayscaleBt601Processor.cs

@@ -9,11 +9,11 @@ namespace ImageSharp.Processing.Processors
     using System.Numerics;
 
     /// <summary>
-    /// Converts the colors of the image to Grayscale applying the formula as specified by
-    /// ITU-R Recommendation BT.601 <see href="https://en.wikipedia.org/wiki/Luma_%28video%29#Rec._601_luma_versus_Rec._709_luma_coefficients"/>.
+    /// Converts the colors of the image to Grayscale applying the formula as specified by ITU-R Recommendation BT.601
+    /// <see href="https://en.wikipedia.org/wiki/Luma_%28video%29#Rec._601_luma_versus_Rec._709_luma_coefficients"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class GrayscaleBt601Processor<TColor> : ColorMatrixFilter<TColor>
+    internal class GrayscaleBt601Processor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/GrayscaleBt709Processor.cs

@@ -9,11 +9,11 @@ namespace ImageSharp.Processing.Processors
     using System.Numerics;
 
     /// <summary>
-    /// Converts the colors of the image to Grayscale applying the formula as specified by
-    /// ITU-R Recommendation BT.709 <see href="https://en.wikipedia.org/wiki/Rec._709#Luma_coefficients"/>.
+    /// Converts the colors of the image to Grayscale applying the formula as specified by ITU-R Recommendation BT.709
+    /// <see href="https://en.wikipedia.org/wiki/Rec._709#Luma_coefficients"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class GrayscaleBt709Processor<TColor> : ColorMatrixFilter<TColor>
+    internal class GrayscaleBt709Processor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/HueProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="ImageProcessor{TColor}"/> to change the hue of an <see cref="Image{TColor}"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class HueProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class HueProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/ColorMatrix/IColorMatrixFilter.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// alter the image pixels.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public interface IColorMatrixFilter<TColor> : IImageProcessor<TColor>
+    internal interface IColorMatrixFilter<TColor> : IImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/ColorMatrix/KodachromeProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating an old Kodachrome camera effect.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class KodachromeProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class KodachromeProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/ColorMatrix/LomographProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating an old Lomograph effect.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class LomographProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class LomographProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         private static readonly TColor VeryDarkGreen = ColorBuilder<TColor>.FromRGBA(0, 10, 0, 255);

src/ImageSharp/Processing/Processors/ColorMatrix/PolaroidProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Converts the colors of the image recreating an old Polaroid effect.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class PolaroidProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class PolaroidProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         private static TColor veryDarkOrange = ColorBuilder<TColor>.FromRGB(102, 34, 0);

src/ImageSharp/Processing/Processors/ColorMatrix/SaturationProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="ImageProcessor{TColor}"/> to change the saturation of an <see cref="Image{TColor}"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class SaturationProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class SaturationProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/ColorMatrix/SepiaProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// The formula used matches the svg specification. <see href="http://www.w3.org/TR/filter-effects/#sepiaEquivalent"/>
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class SepiaProcessor<TColor> : ColorMatrixFilter<TColor>
+    internal class SepiaProcessor<TColor> : ColorMatrixProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/Convolution/BoxBlurProcessor.cs

@@ -11,7 +11,7 @@ namespace ImageSharp.Processing.Processors
     /// Applies a Box blur sampler to the image.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class BoxBlurProcessor<TColor> : ImageProcessor<TColor>
+    internal class BoxBlurProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/Convolution2DProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// Defines a sampler that uses two one-dimensional matrices to perform convolution against an image.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class Convolution2DProcessor<TColor> : ImageProcessor<TColor>
+    internal class Convolution2DProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/Convolution2PassProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// Defines a sampler that uses two one-dimensional matrices to perform two-pass convolution against an image.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class Convolution2PassProcessor<TColor> : ImageProcessor<TColor>
+    internal class Convolution2PassProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/ConvolutionProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// Defines a sampler that uses a 2 dimensional matrix to perform convolution against an image.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class ConvolutionProcessor<TColor> : ImageProcessor<TColor>
+    internal class ConvolutionProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/EdgeDetector2DProcessor.cs

@@ -11,7 +11,7 @@ namespace ImageSharp.Processing.Processors
     /// Defines a sampler that detects edges within an image using two one-dimensional matrices.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public abstract class EdgeDetector2DProcessor<TColor> : ImageProcessor<TColor>, IEdgeDetectorProcessor<TColor>
+    internal abstract class EdgeDetector2DProcessor<TColor> : ImageProcessor<TColor>, IEdgeDetectorProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/EdgeDetectorCompassProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// Defines a sampler that detects edges within an image using a eight two dimensional matrices.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public abstract class EdgeDetectorCompassProcessor<TColor> : ImageProcessor<TColor>, IEdgeDetectorProcessor<TColor>
+    internal abstract class EdgeDetectorCompassProcessor<TColor> : ImageProcessor<TColor>, IEdgeDetectorProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/EdgeDetectorProcessor.cs

@@ -11,7 +11,7 @@ namespace ImageSharp.Processing.Processors
     /// Defines a sampler that detects edges within an image using a single two dimensional matrix.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public abstract class EdgeDetectorProcessor<TColor> : ImageProcessor<TColor>, IEdgeDetectorProcessor<TColor>
+    internal abstract class EdgeDetectorProcessor<TColor> : ImageProcessor<TColor>, IEdgeDetectorProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/KayyaliProcessor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
     [SuppressMessage("ReSharper", "StaticMemberInGenericType", Justification = "We want to use only one instance of each array field for each generic type.")]
-    public class KayyaliProcessor<TColor> : EdgeDetector2DProcessor<TColor>
+    internal class KayyaliProcessor<TColor> : EdgeDetector2DProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/KirschProcessor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
     [SuppressMessage("ReSharper", "StaticMemberInGenericType", Justification = "We want to use only one instance of each array field for each generic type.")]
-    public class KirschProcessor<TColor> : EdgeDetectorCompassProcessor<TColor>
+    internal class KirschProcessor<TColor> : EdgeDetectorCompassProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/Laplacian3X3Processor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
     [SuppressMessage("ReSharper", "StaticMemberInGenericType", Justification = "We want to use only one instance of each array field for each generic type.")]
-    public class Laplacian3X3Processor<TColor> : EdgeDetectorProcessor<TColor>
+    internal class Laplacian3X3Processor<TColor> : EdgeDetectorProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/Laplacian5X5Processor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
     [SuppressMessage("ReSharper", "StaticMemberInGenericType", Justification = "We want to use only one instance of each array field for each generic type.")]
-    public class Laplacian5X5Processor<TColor> : EdgeDetectorProcessor<TColor>
+    internal class Laplacian5X5Processor<TColor> : EdgeDetectorProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/LaplacianOfGaussianProcessor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
     [SuppressMessage("ReSharper", "StaticMemberInGenericType", Justification = "We want to use only one instance of each array field for each generic type.")]
-    public class LaplacianOfGaussianProcessor<TColor> : EdgeDetectorProcessor<TColor>
+    internal class LaplacianOfGaussianProcessor<TColor> : EdgeDetectorProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/PrewittProcessor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
     [SuppressMessage("ReSharper", "StaticMemberInGenericType", Justification = "We want to use only one instance of each array field for each generic type.")]
-    public class PrewittProcessor<TColor> : EdgeDetector2DProcessor<TColor>
+    internal class PrewittProcessor<TColor> : EdgeDetector2DProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/RobertsCrossProcessor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
     [SuppressMessage("ReSharper", "StaticMemberInGenericType", Justification = "We want to use only one instance of each array field for each generic type.")]
-    public class RobertsCrossProcessor<TColor> : EdgeDetector2DProcessor<TColor>
+    internal class RobertsCrossProcessor<TColor> : EdgeDetector2DProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/RobinsonProcessor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
     [SuppressMessage("ReSharper", "StaticMemberInGenericType", Justification = "We want to use only one instance of each array field for each generic type.")]
-    public class RobinsonProcessor<TColor> : EdgeDetectorCompassProcessor<TColor>
+    internal class RobinsonProcessor<TColor> : EdgeDetectorCompassProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/ScharrProcessor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
     [SuppressMessage("ReSharper", "StaticMemberInGenericType", Justification = "We want to use only one instance of each array field for each generic type.")]
-    public class ScharrProcessor<TColor> : EdgeDetector2DProcessor<TColor>
+    internal class ScharrProcessor<TColor> : EdgeDetector2DProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/EdgeDetection/SobelProcessor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
     [SuppressMessage("ReSharper", "StaticMemberInGenericType", Justification = "We want to use only one instance of each array field for each generic type.")]
-    public class SobelProcessor<TColor> : EdgeDetector2DProcessor<TColor>
+    internal class SobelProcessor<TColor> : EdgeDetector2DProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/GaussianBlurProcessor.cs

@@ -11,7 +11,7 @@ namespace ImageSharp.Processing.Processors
     /// Applies a Gaussian blur sampler to the image.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class GaussianBlurProcessor<TColor> : ImageProcessor<TColor>
+    internal class GaussianBlurProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Convolution/GaussianSharpenProcessor.cs

@@ -11,7 +11,7 @@ namespace ImageSharp.Processing.Processors
     /// Applies a Gaussian sharpening sampler to the image.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class GaussianSharpenProcessor<TColor> : ImageProcessor<TColor>
+    internal class GaussianSharpenProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Effects/AlphaProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="IImageProcessor{TColor}"/> to change the alpha component of an <see cref="Image{TColor}"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class AlphaProcessor<TColor> : ImageProcessor<TColor>
+    internal class AlphaProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Effects/BackgroundColorProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// Sets the background color of the image.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class BackgroundColorProcessor<TColor> : ImageProcessor<TColor>
+    internal class BackgroundColorProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Effects/BrightnessProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="IImageProcessor{TColor}"/> to change the brightness of an <see cref="Image{TColor}"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class BrightnessProcessor<TColor> : ImageProcessor<TColor>
+    internal class BrightnessProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Effects/ContrastProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="IImageProcessor{TColor}"/> to change the contrast of an <see cref="Image{TColor}"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class ContrastProcessor<TColor> : ImageProcessor<TColor>
+    internal class ContrastProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Effects/InvertProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="IImageProcessor{TColor}"/> to invert the colors of an <see cref="Image{TColor}"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class InvertProcessor<TColor> : ImageProcessor<TColor>
+    internal class InvertProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <inheritdoc/>

src/ImageSharp/Processing/Processors/Effects/OilPaintingProcessor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// </summary>
     /// <remarks>Adapted from <see href="https://softwarebydefault.com/2013/06/29/oil-painting-cartoon-filter/"/> by Dewald Esterhuizen.</remarks>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class OilPaintingProcessor<TColor> : ImageProcessor<TColor>
+    internal class OilPaintingProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Effects/PixelateProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="IImageProcessor{TColor}"/> to pixelate the colors of an <see cref="Image{TColor}"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class PixelateProcessor<TColor> : ImageProcessor<TColor>
+    internal class PixelateProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Overlays/GlowProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="IImageProcessor{TColor}"/> that applies a radial glow effect an <see cref="Image{TColor}"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class GlowProcessor<TColor> : ImageProcessor<TColor>
+    internal class GlowProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Overlays/VignetteProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// An <see cref="IImageProcessor{TColor}"/> that applies a radial vignette effect to an <see cref="Image{TColor}"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class VignetteProcessor<TColor> : ImageProcessor<TColor>
+    internal class VignetteProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Transforms/CompandingResizeProcessor.cs

@@ -14,7 +14,7 @@ namespace ImageSharp.Processing.Processors
     /// This version will expand and compress the image to and from a linear color space during processing.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class CompandingResizeProcessor<TColor> : ResamplingWeightedProcessor<TColor>
+    internal class CompandingResizeProcessor<TColor> : ResamplingWeightedProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Transforms/CropProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Provides methods to allow the cropping of an image.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class CropProcessor<TColor> : ImageProcessor<TColor>
+    internal class CropProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Transforms/EntropyCropProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// entropy.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class EntropyCropProcessor<TColor> : ImageProcessor<TColor>
+    internal class EntropyCropProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Transforms/FlipProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Provides methods that allow the flipping of an image around its center point.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class FlipProcessor<TColor> : ImageProcessor<TColor>
+    internal class FlipProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Transforms/Matrix3x2Processor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Provides methods to transform an image using a <see cref="Matrix3x2"/>.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public abstract class Matrix3x2Processor<TColor> : ImageProcessor<TColor>
+    internal abstract class Matrix3x2Processor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Transforms/ResamplingWeightedProcessor.cs

@@ -12,7 +12,7 @@ namespace ImageSharp.Processing.Processors
     /// Adapted from <see href="http://www.realtimerendering.com/resources/GraphicsGems/gemsiii/filter_rcg.c"/>
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public abstract class ResamplingWeightedProcessor<TColor> : ImageProcessor<TColor>
+    internal abstract class ResamplingWeightedProcessor<TColor> : ImageProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Transforms/ResizeProcessor.cs

@@ -16,7 +16,7 @@ namespace ImageSharp.Processing.Processors
     /// This version and the <see cref="CompandingResizeProcessor{TColor}"/> have been separated out to improve performance.
     /// </remarks>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class ResizeProcessor<TColor> : ResamplingWeightedProcessor<TColor>
+    internal class ResizeProcessor<TColor> : ResamplingWeightedProcessor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Transforms/RotateProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// Provides methods that allow the rotating of images.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class RotateProcessor<TColor> : Matrix3x2Processor<TColor>
+    internal class RotateProcessor<TColor> : Matrix3x2Processor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>

src/ImageSharp/Processing/Processors/Transforms/SkewProcessor.cs

@@ -13,7 +13,7 @@ namespace ImageSharp.Processing.Processors
     /// Provides methods that allow the skewing of images.
     /// </summary>
     /// <typeparam name="TColor">The pixel format.</typeparam>
-    public class SkewProcessor<TColor> : Matrix3x2Processor<TColor>
+    internal class SkewProcessor<TColor> : Matrix3x2Processor<TColor>
         where TColor : struct, IPixel<TColor>
     {
         /// <summary>