Establish naming convention + move missed primitives

- `KnownXXX`. Any open-ended collection of algorithms e.g. `KnownQuantizers`, `KnownResamplers`
- `XXXMode`. Any closed operation enumeration  e.g `AnchorPositionMode`, `FlipMode`
- `XXXType`. Any enumeration of a data type e.g `ExifDataType`.

src/ImageSharp/Formats/Jpeg/GolangPort/OrigJpegDecoderCore.cs

@@ -3,7 +3,6 @@
 
 using System.Collections.Generic;
 using System.IO;
-
 using SixLabors.ImageSharp.Formats.Jpeg.Common;
 using SixLabors.ImageSharp.Formats.Jpeg.Common.Decoder;
 using SixLabors.ImageSharp.Formats.Jpeg.GolangPort.Components.Decoder;
@@ -11,6 +10,7 @@ using SixLabors.ImageSharp.MetaData;
 using SixLabors.ImageSharp.MetaData.Profiles.Exif;
 using SixLabors.ImageSharp.MetaData.Profiles.Icc;
 using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Primitives;
 using SixLabors.Primitives;
 
 namespace SixLabors.ImageSharp.Formats.Jpeg.GolangPort

src/ImageSharp/Formats/Jpeg/PdfJsPort/PdfJsJpegDecoderCore.cs

@@ -12,6 +12,7 @@ using SixLabors.ImageSharp.MetaData;
 using SixLabors.ImageSharp.MetaData.Profiles.Exif;
 using SixLabors.ImageSharp.MetaData.Profiles.Icc;
 using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Primitives;
 
 namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
 {

src/ImageSharp/MetaData/Profiles/Exif/ExifProfile.cs

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.IO;
 using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Primitives;
 
 namespace SixLabors.ImageSharp.MetaData.Profiles.Exif
 {

src/ImageSharp/MetaData/Profiles/Exif/ExifReader.cs

@@ -1,10 +1,12 @@
 // Copyright (c) Six Labors and contributors.
 // Licensed under the Apache License, Version 2.0.
+
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text;
+using SixLabors.ImageSharp.Primitives;
 
 namespace SixLabors.ImageSharp.MetaData.Profiles.Exif
 {

src/ImageSharp/MetaData/Profiles/Exif/ExifValue.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Globalization;
 using System.Text;
+using SixLabors.ImageSharp.Primitives;
 
 namespace SixLabors.ImageSharp.MetaData.Profiles.Exif
 {

src/ImageSharp/MetaData/Profiles/Exif/ExifWriter.cs

@@ -5,6 +5,7 @@ using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Text;
+using SixLabors.ImageSharp.Primitives;
 
 namespace SixLabors.ImageSharp.MetaData.Profiles.Exif
 {

src/ImageSharp/MetaData/Profiles/Exif/LongRational.cs → src/ImageSharp/Primitives/LongRational.cs

@@ -5,7 +5,7 @@ using System;
 using System.Globalization;
 using System.Text;
 
-namespace SixLabors.ImageSharp.MetaData.Profiles.Exif
+namespace SixLabors.ImageSharp.Primitives
 {
     /// <summary>
     /// Represents a number that can be expressed as a fraction

src/ImageSharp/MetaData/Profiles/Exif/Rational.cs → src/ImageSharp/Primitives/Rational.cs

@@ -4,7 +4,7 @@
 using System;
 using System.Globalization;
 
-namespace SixLabors.ImageSharp.MetaData.Profiles.Exif
+namespace SixLabors.ImageSharp.Primitives
 {
     /// <summary>
     /// Represents a number that can be expressed as a fraction.

src/ImageSharp/MetaData/Profiles/Exif/SignedRational.cs → src/ImageSharp/Primitives/SignedRational.cs

@@ -4,7 +4,7 @@
 using System;
 using System.Globalization;
 
-namespace SixLabors.ImageSharp.MetaData.Profiles.Exif
+namespace SixLabors.ImageSharp.Primitives
 {
     /// <summary>
     /// Represents a number that can be expressed as a fraction.

src/ImageSharp/Processing/Dithering/DiffuseExtensions.cs

@@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Processing.Dithering
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageProcessingContext<TPixel> Diffuse<TPixel>(this IImageProcessingContext<TPixel> source)
             where TPixel : struct, IPixel<TPixel>
-            => Diffuse(source, DiffuseMode.FloydSteinberg, .5F);
+            => Diffuse(source, KnownDiffusers.FloydSteinberg, .5F);
 
         /// <summary>
         /// Dithers the image reducing it to a web-safe palette using error diffusion.
@@ -32,7 +32,7 @@ namespace SixLabors.ImageSharp.Processing.Dithering
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageProcessingContext<TPixel> Diffuse<TPixel>(this IImageProcessingContext<TPixel> source, float threshold)
             where TPixel : struct, IPixel<TPixel>
-            => Diffuse(source, DiffuseMode.FloydSteinberg, threshold);
+            => Diffuse(source, KnownDiffusers.FloydSteinberg, threshold);
 
         /// <summary>
         /// Dithers the image reducing it to a web-safe palette using error diffusion.

src/ImageSharp/Processing/Dithering/DitherExtensions.cs

@@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Processing.Dithering
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageProcessingContext<TPixel> Dither<TPixel>(this IImageProcessingContext<TPixel> source)
             where TPixel : struct, IPixel<TPixel>
-            => Dither(source, DitherMode.BayerDither4x4);
+            => Dither(source, KnownDitherMatrices.BayerDither4x4);
 
         /// <summary>
         /// Dithers the image reducing it to a web-safe palette using ordered dithering.

src/ImageSharp/Processing/Dithering/DiffuseMode.cs → src/ImageSharp/Processing/Dithering/KnownDiffusers.cs

@@ -8,7 +8,7 @@ namespace SixLabors.ImageSharp.Processing.Dithering
     /// <summary>
     /// Contains reusable static instances of known error diffusion algorithms
     /// </summary>
-    public static class DiffuseMode
+    public static class KnownDiffusers
     {
         /// <summary>
         /// Gets the error diffuser that implements the Atkinson algorithm.

src/ImageSharp/Processing/Dithering/DitherMode.cs → src/ImageSharp/Processing/Dithering/KnownDitherMatrices.cs

@@ -8,7 +8,7 @@ namespace SixLabors.ImageSharp.Processing.Dithering
     /// <summary>
     /// Contains reusable static instances of known ordered dither matrices
     /// </summary>
-    public class DitherMode
+    public class KnownDitherMatrices
     {
         /// <summary>
         /// Gets the order ditherer using the 2x2 Bayer dithering matrix

src/ImageSharp/Processing/Filters/ColorBlindnessExtensions.cs

@@ -20,7 +20,7 @@ namespace SixLabors.ImageSharp.Processing.Filters
         /// <param name="source">The image this method extends.</param>
         /// <param name="colorBlindness">The type of color blindness simulator to apply.</param>
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
-        public static IImageProcessingContext<TPixel> ColorBlindness<TPixel>(this IImageProcessingContext<TPixel> source, ColorBlindness colorBlindness)
+        public static IImageProcessingContext<TPixel> ColorBlindness<TPixel>(this IImageProcessingContext<TPixel> source, ColorBlindnessMode colorBlindness)
             where TPixel : struct, IPixel<TPixel>
             => source.ApplyProcessor(GetProcessor<TPixel>(colorBlindness));
 
@@ -29,33 +29,33 @@ namespace SixLabors.ImageSharp.Processing.Filters
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image this method extends.</param>
-        /// <param name="colorBlindness">The type of color blindness simulator to apply.</param>
+        /// <param name="colorBlindnessMode">The type of color blindness simulator to apply.</param>
         /// <param name="rectangle">
         /// The <see cref="Rectangle"/> structure that specifies the portion of the image object to alter.
         /// </param>
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
-        public static IImageProcessingContext<TPixel> ColorBlindness<TPixel>(this IImageProcessingContext<TPixel> source, ColorBlindness colorBlindness, Rectangle rectangle)
+        public static IImageProcessingContext<TPixel> ColorBlindness<TPixel>(this IImageProcessingContext<TPixel> source, ColorBlindnessMode colorBlindnessMode, Rectangle rectangle)
             where TPixel : struct, IPixel<TPixel>
-            => source.ApplyProcessor(GetProcessor<TPixel>(colorBlindness), rectangle);
+            => source.ApplyProcessor(GetProcessor<TPixel>(colorBlindnessMode), rectangle);
 
-        private static IImageProcessor<TPixel> GetProcessor<TPixel>(ColorBlindness colorBlindness)
+        private static IImageProcessor<TPixel> GetProcessor<TPixel>(ColorBlindnessMode colorBlindness)
             where TPixel : struct, IPixel<TPixel>
         {
             switch (colorBlindness)
             {
-                case Filters.ColorBlindness.Achromatomaly:
+                case ColorBlindnessMode.Achromatomaly:
                     return new AchromatomalyProcessor<TPixel>();
-                case Filters.ColorBlindness.Achromatopsia:
+                case ColorBlindnessMode.Achromatopsia:
                     return new AchromatopsiaProcessor<TPixel>();
-                case Filters.ColorBlindness.Deuteranomaly:
+                case ColorBlindnessMode.Deuteranomaly:
                     return new DeuteranomalyProcessor<TPixel>();
-                case Filters.ColorBlindness.Deuteranopia:
+                case ColorBlindnessMode.Deuteranopia:
                     return new DeuteranopiaProcessor<TPixel>();
-                case Filters.ColorBlindness.Protanomaly:
+                case ColorBlindnessMode.Protanomaly:
                     return new ProtanomalyProcessor<TPixel>();
-                case Filters.ColorBlindness.Protanopia:
+                case ColorBlindnessMode.Protanopia:
                     return new ProtanopiaProcessor<TPixel>();
-                case Filters.ColorBlindness.Tritanomaly:
+                case ColorBlindnessMode.Tritanomaly:
                     return new TritanomalyProcessor<TPixel>();
                 default:
                     return new TritanopiaProcessor<TPixel>();

src/ImageSharp/Processing/Filters/ColorBlindness.cs → src/ImageSharp/Processing/Filters/ColorBlindnessMode.cs

@@ -6,7 +6,7 @@ namespace SixLabors.ImageSharp.Processing.Filters
     /// <summary>
     /// Enumerates the various types of defined color blindness filters.
     /// </summary>
-    public enum ColorBlindness
+    public enum ColorBlindnessMode
     {
         /// <summary>
         /// Partial color desensitivity.

src/ImageSharp/Processing/Filters/MatrixFilters.cs → src/ImageSharp/Processing/Filters/KnownMatrixFilters.cs

@@ -9,7 +9,7 @@ namespace SixLabors.ImageSharp.Processing.Filters
     /// <summary>
     /// A collection of known <see cref="Matrix4x4"/> values for composing filters
     /// </summary>
-    public static class MatrixFilters
+    public static class KnownMatrixFilters
     {
         /// <summary>
         /// Gets a filter recreating Achromatomaly (Color desensitivity) color blindness

src/ImageSharp/Processing/Filters/Processors/AchromatomalyProcessor.cs

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="AchromatomalyProcessor{TPixel}"/> class.
         /// </summary>
         public AchromatomalyProcessor()
-            : base(MatrixFilters.AchromatomalyFilter)
+            : base(KnownMatrixFilters.AchromatomalyFilter)
         {
         }
     }

src/ImageSharp/Processing/Filters/Processors/AchromatopsiaProcessor.cs

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="AchromatopsiaProcessor{TPixel}"/> class.
         /// </summary>
         public AchromatopsiaProcessor()
-            : base(MatrixFilters.AchromatopsiaFilter)
+            : base(KnownMatrixFilters.AchromatopsiaFilter)
         {
         }
     }

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

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="BlackWhiteProcessor{TPixel}"/> class.
         /// </summary>
         public BlackWhiteProcessor()
-            : base(MatrixFilters.BlackWhiteFilter)
+            : base(KnownMatrixFilters.BlackWhiteFilter)
         {
         }
     }

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

@@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// </remarks>
         /// <param name="amount">The proportion of the conversion. Must be greater than or equal to 0.</param>
         public BrightnessProcessor(float amount)
-            : base(MatrixFilters.CreateBrightnessFilter(amount))
+            : base(KnownMatrixFilters.CreateBrightnessFilter(amount))
         {
             this.Amount = amount;
         }

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

@@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// </remarks>
         /// <param name="amount">The proportion of the conversion. Must be greater than or equal to 0.</param>
         public ContrastProcessor(float amount)
-            : base(MatrixFilters.CreateContrastFilter(amount))
+            : base(KnownMatrixFilters.CreateContrastFilter(amount))
         {
             this.Amount = amount;
         }

src/ImageSharp/Processing/Filters/Processors/DeuteranomalyProcessor.cs

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="DeuteranomalyProcessor{TPixel}"/> class.
         /// </summary>
         public DeuteranomalyProcessor()
-            : base(MatrixFilters.DeuteranomalyFilter)
+            : base(KnownMatrixFilters.DeuteranomalyFilter)
         {
         }
     }

src/ImageSharp/Processing/Filters/Processors/DeuteranopiaProcessor.cs

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="DeuteranopiaProcessor{TPixel}"/> class.
         /// </summary>
         public DeuteranopiaProcessor()
-            : base(MatrixFilters.DeuteranopiaFilter)
+            : base(KnownMatrixFilters.DeuteranopiaFilter)
         {
         }
     }

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

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// </summary>
         /// <param name="amount">The proportion of the conversion. Must be between 0 and 1.</param>
         public GrayscaleBt601Processor(float amount)
-            : base(MatrixFilters.CreateGrayscaleBt601Filter(amount))
+            : base(KnownMatrixFilters.CreateGrayscaleBt601Filter(amount))
         {
             this.Amount = amount;
         }

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

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// </summary>
         /// <param name="amount">The proportion of the conversion. Must be between 0 and 1.</param>
         public GrayscaleBt709Processor(float amount)
-            : base(MatrixFilters.CreateGrayscaleBt709Filter(amount))
+            : base(KnownMatrixFilters.CreateGrayscaleBt709Filter(amount))
         {
             this.Amount = amount;
         }

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

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// </summary>
         /// <param name="degrees">The angle of rotation in degrees</param>
         public HueProcessor(float degrees)
-            : base(MatrixFilters.CreateHueFilter(degrees))
+            : base(KnownMatrixFilters.CreateHueFilter(degrees))
         {
             this.Degrees = degrees;
         }

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

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// </summary>
         /// <param name="amount">The proportion of the conversion. Must be between 0 and 1.</param>
         public InvertProcessor(float amount)
-            : base(MatrixFilters.CreateInvertFilter(amount))
+            : base(KnownMatrixFilters.CreateInvertFilter(amount))
         {
             this.Amount = amount;
         }

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

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="KodachromeProcessor{TPixel}"/> class.
         /// </summary>
         public KodachromeProcessor()
-            : base(MatrixFilters.KodachromeFilter)
+            : base(KnownMatrixFilters.KodachromeFilter)
         {
         }
     }

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

@@ -20,7 +20,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="LomographProcessor{TPixel}" /> class.
         /// </summary>
         public LomographProcessor()
-            : base(MatrixFilters.LomographFilter)
+            : base(KnownMatrixFilters.LomographFilter)
         {
         }
 

src/ImageSharp/Processing/Filters/Processors/OpacityProcessor.cs

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// </summary>
         /// <param name="amount">The proportion of the conversion. Must be between 0 and 1.</param>
         public OpacityProcessor(float amount)
-            : base(MatrixFilters.CreateOpacityFilter(amount))
+            : base(KnownMatrixFilters.CreateOpacityFilter(amount))
         {
             this.Amount = amount;
         }

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

@@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="PolaroidProcessor{TPixel}" /> class.
         /// </summary>
         public PolaroidProcessor()
-            : base(MatrixFilters.PolaroidFilter)
+            : base(KnownMatrixFilters.PolaroidFilter)
         {
         }
 

src/ImageSharp/Processing/Filters/Processors/ProtanomalyProcessor.cs

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="ProtanomalyProcessor{TPixel}"/> class.
         /// </summary>
         public ProtanomalyProcessor()
-            : base(MatrixFilters.ProtanomalyFilter)
+            : base(KnownMatrixFilters.ProtanomalyFilter)
         {
         }
     }

src/ImageSharp/Processing/Filters/Processors/ProtanopiaProcessor.cs

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="ProtanopiaProcessor{TPixel}"/> class.
         /// </summary>
         public ProtanopiaProcessor()
-            : base(MatrixFilters.ProtanopiaFilter)
+            : base(KnownMatrixFilters.ProtanopiaFilter)
         {
         }
     }

src/ImageSharp/Processing/Filters/Processors/SaturateProcessor.cs

@@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// </remarks>
         /// <param name="amount">The proportion of the conversion. Must be greater than or equal to 0.</param>
         public SaturateProcessor(float amount)
-            : base(MatrixFilters.CreateSaturateFilter(amount))
+            : base(KnownMatrixFilters.CreateSaturateFilter(amount))
         {
             this.Amount = amount;
         }

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

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// </summary>
         /// <param name="amount">The proportion of the conversion. Must be between 0 and 1.</param>
         public SepiaProcessor(float amount)
-            : base(MatrixFilters.CreateSepiaFilter(amount))
+            : base(KnownMatrixFilters.CreateSepiaFilter(amount))
         {
             this.Amount = amount;
         }

src/ImageSharp/Processing/Filters/Processors/TritanomalyProcessor.cs

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="TritanomalyProcessor{TPixel}"/> class.
         /// </summary>
         public TritanomalyProcessor()
-            : base(MatrixFilters.TritanomalyFilter)
+            : base(KnownMatrixFilters.TritanomalyFilter)
         {
         }
     }

src/ImageSharp/Processing/Filters/Processors/TritanopiaProcessor.cs

@@ -16,7 +16,7 @@ namespace SixLabors.ImageSharp.Processing.Filters.Processors
         /// Initializes a new instance of the <see cref="TritanopiaProcessor{TPixel}"/> class.
         /// </summary>
         public TritanopiaProcessor()
-            : base(MatrixFilters.TritanopiaFilter)
+            : base(KnownMatrixFilters.TritanopiaFilter)
         {
         }
     }

src/ImageSharp/Processing/Quantization/QuantizationMode.cs → src/ImageSharp/Processing/Quantization/KnownQuantizers.cs

@@ -6,7 +6,7 @@ namespace SixLabors.ImageSharp.Processing.Quantization
     /// <summary>
     /// Contains reusable static instances of known quantizing algorithms
     /// </summary>
-    public static class QuantizationMode
+    public static class KnownQuantizers
     {
         /// <summary>
         /// Gets the adaptive Octree quantizer. Fast with good quality.

src/ImageSharp/Processing/Quantization/OctreeQuantizer.cs

@@ -75,6 +75,6 @@ namespace SixLabors.ImageSharp.Processing.Quantization
             where TPixel : struct, IPixel<TPixel>
             => new OctreeFrameQuantizer<TPixel>(this);
 
-        private static IErrorDiffuser GetDiffuser(bool dither) => dither ? DiffuseMode.FloydSteinberg : null;
+        private static IErrorDiffuser GetDiffuser(bool dither) => dither ? KnownDiffusers.FloydSteinberg : null;
     }
 }

src/ImageSharp/Processing/Quantization/PaletteQuantizer.cs

@@ -58,6 +58,6 @@ namespace SixLabors.ImageSharp.Processing.Quantization
             where TPixel : struct, IPixel<TPixel>
             => new PaletteFrameQuantizer<TPixel>(this);
 
-        private static IErrorDiffuser GetDiffuser(bool dither) => dither ? DiffuseMode.FloydSteinberg : null;
+        private static IErrorDiffuser GetDiffuser(bool dither) => dither ? KnownDiffusers.FloydSteinberg : null;
     }
 }

src/ImageSharp/Processing/Quantization/QuantizeExtensions.cs

@@ -19,7 +19,7 @@ namespace SixLabors.ImageSharp.Processing.Quantization
         /// <returns>The <see cref="Image{TPixel}"/>.</returns>
         public static IImageProcessingContext<TPixel> Quantize<TPixel>(this IImageProcessingContext<TPixel> source)
             where TPixel : struct, IPixel<TPixel>
-            => Quantize(source, QuantizationMode.Octree);
+            => Quantize(source, KnownQuantizers.Octree);
 
         /// <summary>
         /// Applies quantization to the image.

src/ImageSharp/Processing/Quantization/WuQuantizer.cs

@@ -75,6 +75,6 @@ namespace SixLabors.ImageSharp.Processing.Quantization
             where TPixel : struct, IPixel<TPixel>
             => new WuFrameQuantizer<TPixel>(this);
 
-        private static IErrorDiffuser GetDiffuser(bool dither) => dither ? DiffuseMode.FloydSteinberg : null;
+        private static IErrorDiffuser GetDiffuser(bool dither) => dither ? KnownDiffusers.FloydSteinberg : null;
     }
 }

src/ImageSharp/Processing/Transforms/AnchorPosition.cs → src/ImageSharp/Processing/Transforms/AnchorPositionMode.cs

@@ -6,7 +6,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
     /// <summary>
     /// Enumerated anchor positions to apply to resized images.
     /// </summary>
-    public enum AnchorPosition
+    public enum AnchorPositionMode
     {
         /// <summary>
         /// Anchors the position of the image to the center of it's bounding container.

src/ImageSharp/Processing/Transforms/FlipExtensions.cs

@@ -16,10 +16,10 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image to rotate, flip, or both.</param>
-        /// <param name="flipType">The <see cref="FlipType"/> to perform the flip.</param>
+        /// <param name="flipMode">The <see cref="FlipMode"/> to perform the flip.</param>
         /// <returns>The <see cref="Image{TPixel}"/></returns>
-        public static IImageProcessingContext<TPixel> Flip<TPixel>(this IImageProcessingContext<TPixel> source, FlipType flipType)
+        public static IImageProcessingContext<TPixel> Flip<TPixel>(this IImageProcessingContext<TPixel> source, FlipMode flipMode)
             where TPixel : struct, IPixel<TPixel>
-            => source.ApplyProcessor(new FlipProcessor<TPixel>(flipType));
+            => source.ApplyProcessor(new FlipProcessor<TPixel>(flipMode));
     }
 }

src/ImageSharp/Processing/Transforms/FlipType.cs → src/ImageSharp/Processing/Transforms/FlipMode.cs

@@ -6,7 +6,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
     /// <summary>
     /// Provides enumeration over how a image should be flipped.
     /// </summary>
-    public enum FlipType
+    public enum FlipMode
     {
         /// <summary>
         /// Don't flip the image.

src/ImageSharp/Processing/Transforms/ResampleMode.cs → src/ImageSharp/Processing/Transforms/KnownResamplers.cs

@@ -8,7 +8,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
     /// <summary>
     /// Contains reusable static instances of known resampling algorithms
     /// </summary>
-    public static class ResampleMode
+    public static class KnownResamplers
     {
         /// <summary>
         /// Gets the Bicubic sampler that implements the bicubic kernel algorithm W(x)

src/ImageSharp/Processing/Transforms/OrientationType.cs → src/ImageSharp/Processing/Transforms/OrientationMode.cs

@@ -6,7 +6,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
     /// <summary>
     /// Enumerates the available orientation values supplied by EXIF metadata.
     /// </summary>
-    internal enum OrientationType : ushort
+    internal enum OrientationMode : ushort
     {
         /// <summary>
         /// Unknown rotation.

src/ImageSharp/Processing/Transforms/PadExtensions.cs

@@ -26,7 +26,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
             {
                 Size = new Size(width, height),
                 Mode = ResizeMode.BoxPad,
-                Sampler = ResampleMode.NearestNeighbor
+                Sampler = KnownResamplers.NearestNeighbor
             };
 
             return source.Resize(options);

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

@@ -19,42 +19,42 @@ namespace SixLabors.ImageSharp.Processing.Transforms.Processors
         /// <inheritdoc/>
         protected override void BeforeImageApply(Image<TPixel> source, Rectangle sourceRectangle)
         {
-            OrientationType orientation = GetExifOrientation(source);
+            OrientationMode orientation = GetExifOrientation(source);
             Size size = sourceRectangle.Size;
             switch (orientation)
             {
-                case OrientationType.TopRight:
-                    new FlipProcessor<TPixel>(FlipType.Horizontal).Apply(source, sourceRectangle);
+                case OrientationMode.TopRight:
+                    new FlipProcessor<TPixel>(FlipMode.Horizontal).Apply(source, sourceRectangle);
                     break;
 
-                case OrientationType.BottomRight:
-                    new RotateProcessor<TPixel>((int)RotateType.Rotate180, size).Apply(source, sourceRectangle);
+                case OrientationMode.BottomRight:
+                    new RotateProcessor<TPixel>((int)RotateMode.Rotate180, size).Apply(source, sourceRectangle);
                     break;
 
-                case OrientationType.BottomLeft:
-                    new FlipProcessor<TPixel>(FlipType.Vertical).Apply(source, sourceRectangle);
+                case OrientationMode.BottomLeft:
+                    new FlipProcessor<TPixel>(FlipMode.Vertical).Apply(source, sourceRectangle);
                     break;
 
-                case OrientationType.LeftTop:
-                    new RotateProcessor<TPixel>((int)RotateType.Rotate90, size).Apply(source, sourceRectangle);
-                    new FlipProcessor<TPixel>(FlipType.Horizontal).Apply(source, sourceRectangle);
+                case OrientationMode.LeftTop:
+                    new RotateProcessor<TPixel>((int)RotateMode.Rotate90, size).Apply(source, sourceRectangle);
+                    new FlipProcessor<TPixel>(FlipMode.Horizontal).Apply(source, sourceRectangle);
                     break;
 
-                case OrientationType.RightTop:
-                    new RotateProcessor<TPixel>((int)RotateType.Rotate90, size).Apply(source, sourceRectangle);
+                case OrientationMode.RightTop:
+                    new RotateProcessor<TPixel>((int)RotateMode.Rotate90, size).Apply(source, sourceRectangle);
                     break;
 
-                case OrientationType.RightBottom:
-                    new FlipProcessor<TPixel>(FlipType.Vertical).Apply(source, sourceRectangle);
-                    new RotateProcessor<TPixel>((int)RotateType.Rotate270, size).Apply(source, sourceRectangle);
+                case OrientationMode.RightBottom:
+                    new FlipProcessor<TPixel>(FlipMode.Vertical).Apply(source, sourceRectangle);
+                    new RotateProcessor<TPixel>((int)RotateMode.Rotate270, size).Apply(source, sourceRectangle);
                     break;
 
-                case OrientationType.LeftBottom:
-                    new RotateProcessor<TPixel>((int)RotateType.Rotate270, size).Apply(source, sourceRectangle);
+                case OrientationMode.LeftBottom:
+                    new RotateProcessor<TPixel>((int)RotateMode.Rotate270, size).Apply(source, sourceRectangle);
                     break;
 
-                case OrientationType.Unknown:
-                case OrientationType.TopLeft:
+                case OrientationMode.Unknown:
+                case OrientationMode.TopLeft:
                 default:
                     break;
             }
@@ -70,32 +70,32 @@ namespace SixLabors.ImageSharp.Processing.Transforms.Processors
         /// Returns the current EXIF orientation
         /// </summary>
         /// <param name="source">The image to auto rotate.</param>
-        /// <returns>The <see cref="OrientationType"/></returns>
-        private static OrientationType GetExifOrientation(Image<TPixel> source)
+        /// <returns>The <see cref="OrientationMode"/></returns>
+        private static OrientationMode GetExifOrientation(Image<TPixel> source)
         {
             if (source.MetaData.ExifProfile == null)
             {
-                return OrientationType.Unknown;
+                return OrientationMode.Unknown;
             }
 
             ExifValue value = source.MetaData.ExifProfile.GetValue(ExifTag.Orientation);
             if (value == null)
             {
-                return OrientationType.Unknown;
+                return OrientationMode.Unknown;
             }
 
-            OrientationType orientation;
+            OrientationMode orientation;
             if (value.DataType == ExifDataType.Short)
             {
-                orientation = (OrientationType)value.Value;
+                orientation = (OrientationMode)value.Value;
             }
             else
             {
-                orientation = (OrientationType)Convert.ToUInt16(value.Value);
+                orientation = (OrientationMode)Convert.ToUInt16(value.Value);
                 source.MetaData.ExifProfile.RemoveValue(ExifTag.Orientation);
             }
 
-            source.MetaData.ExifProfile.SetValue(ExifTag.Orientation, (ushort)OrientationType.TopLeft);
+            source.MetaData.ExifProfile.SetValue(ExifTag.Orientation, (ushort)OrientationMode.TopLeft);
 
             return orientation;
         }

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

@@ -21,27 +21,27 @@ namespace SixLabors.ImageSharp.Processing.Transforms.Processors
         /// <summary>
         /// Initializes a new instance of the <see cref="FlipProcessor{TPixel}"/> class.
         /// </summary>
-        /// <param name="flipType">The <see cref="FlipType"/> used to perform flipping.</param>
-        public FlipProcessor(FlipType flipType)
+        /// <param name="flipMode">The <see cref="Transforms.FlipMode"/> used to perform flipping.</param>
+        public FlipProcessor(FlipMode flipMode)
         {
-            this.FlipType = flipType;
+            this.FlipMode = flipMode;
         }
 
         /// <summary>
-        /// Gets the <see cref="FlipType"/> used to perform flipping.
+        /// Gets the <see cref="Transforms.FlipMode"/> used to perform flipping.
         /// </summary>
-        public FlipType FlipType { get; }
+        public FlipMode FlipMode { get; }
 
         /// <inheritdoc/>
         protected override void OnFrameApply(ImageFrame<TPixel> source, Rectangle sourceRectangle, Configuration configuration)
         {
-            switch (this.FlipType)
+            switch (this.FlipMode)
             {
                 // No default needed as we have already set the pixels.
-                case FlipType.Vertical:
+                case FlipMode.Vertical:
                     this.FlipX(source, configuration);
                     break;
-                case FlipType.Horizontal:
+                case FlipMode.Horizontal:
                     this.FlipY(source, configuration);
                     break;
             }

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

@@ -24,7 +24,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms.Processors
         /// <param name="degrees">The angle of rotation in degrees.</param>
         /// <param name="sourceSize">The source image size</param>
         public RotateProcessor(float degrees, Size sourceSize)
-            : this(degrees, ResampleMode.Bicubic, sourceSize)
+            : this(degrees, KnownResamplers.Bicubic, sourceSize)
         {
         }
 

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

@@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms.Processors
         /// <param name="degreesY">The angle in degrees to perform the skew along the y-axis.</param>
         /// <param name="sourceSize">The source image size</param>
         public SkewProcessor(float degreesX, float degreesY, Size sourceSize)
-            : this(degreesX, degreesY, ResampleMode.Bicubic, sourceSize)
+            : this(degreesX, degreesY, KnownResamplers.Bicubic, sourceSize)
         {
         }
 

src/ImageSharp/Processing/Transforms/ResizeExtensions.cs

@@ -35,7 +35,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// <remarks>Passing zero for one of height or width will automatically preserve the aspect ratio of the original image</remarks>
         public static IImageProcessingContext<TPixel> Resize<TPixel>(this IImageProcessingContext<TPixel> source, Size size)
             where TPixel : struct, IPixel<TPixel>
-            => Resize(source, size.Width, size.Height, ResampleMode.Bicubic, false);
+            => Resize(source, size.Width, size.Height, KnownResamplers.Bicubic, false);
 
         /// <summary>
         /// Resizes an image to the given <see cref="Size"/>.
@@ -48,7 +48,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// <remarks>Passing zero for one of height or width will automatically preserve the aspect ratio of the original image</remarks>
         public static IImageProcessingContext<TPixel> Resize<TPixel>(this IImageProcessingContext<TPixel> source, Size size, bool compand)
             where TPixel : struct, IPixel<TPixel>
-            => Resize(source, size.Width, size.Height, ResampleMode.Bicubic, compand);
+            => Resize(source, size.Width, size.Height, KnownResamplers.Bicubic, compand);
 
         /// <summary>
         /// Resizes an image to the given width and height.
@@ -61,7 +61,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// <remarks>Passing zero for one of height or width will automatically preserve the aspect ratio of the original image</remarks>
         public static IImageProcessingContext<TPixel> Resize<TPixel>(this IImageProcessingContext<TPixel> source, int width, int height)
             where TPixel : struct, IPixel<TPixel>
-            => Resize(source, width, height, ResampleMode.Bicubic, false);
+            => Resize(source, width, height, KnownResamplers.Bicubic, false);
 
         /// <summary>
         /// Resizes an image to the given width and height.
@@ -75,7 +75,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// <remarks>Passing zero for one of height or width will automatically preserve the aspect ratio of the original image</remarks>
         public static IImageProcessingContext<TPixel> Resize<TPixel>(this IImageProcessingContext<TPixel> source, int width, int height, bool compand)
             where TPixel : struct, IPixel<TPixel>
-            => Resize(source, width, height, ResampleMode.Bicubic, compand);
+            => Resize(source, width, height, KnownResamplers.Bicubic, compand);
 
         /// <summary>
         /// Resizes an image to the given width and height with the given sampler.

src/ImageSharp/Processing/Transforms/ResizeHelper.cs

@@ -87,14 +87,14 @@ namespace SixLabors.ImageSharp.Processing.Transforms
                 {
                     switch (options.Position)
                     {
-                        case AnchorPosition.Top:
-                        case AnchorPosition.TopLeft:
-                        case AnchorPosition.TopRight:
+                        case AnchorPositionMode.Top:
+                        case AnchorPositionMode.TopLeft:
+                        case AnchorPositionMode.TopRight:
                             destinationY = 0;
                             break;
-                        case AnchorPosition.Bottom:
-                        case AnchorPosition.BottomLeft:
-                        case AnchorPosition.BottomRight:
+                        case AnchorPositionMode.Bottom:
+                        case AnchorPositionMode.BottomLeft:
+                        case AnchorPositionMode.BottomRight:
                             destinationY = (int)MathF.Round(height - (sourceHeight * ratio));
                             break;
                         default:
@@ -128,14 +128,14 @@ namespace SixLabors.ImageSharp.Processing.Transforms
                 {
                     switch (options.Position)
                     {
-                        case AnchorPosition.Left:
-                        case AnchorPosition.TopLeft:
-                        case AnchorPosition.BottomLeft:
+                        case AnchorPositionMode.Left:
+                        case AnchorPositionMode.TopLeft:
+                        case AnchorPositionMode.BottomLeft:
                             destinationX = 0;
                             break;
-                        case AnchorPosition.Right:
-                        case AnchorPosition.TopRight:
-                        case AnchorPosition.BottomRight:
+                        case AnchorPositionMode.Right:
+                        case AnchorPositionMode.TopRight:
+                        case AnchorPositionMode.BottomRight:
                             destinationX = (int)MathF.Round(width - (sourceWidth * ratio));
                             break;
                         default:
@@ -177,14 +177,14 @@ namespace SixLabors.ImageSharp.Processing.Transforms
 
                 switch (options.Position)
                 {
-                    case AnchorPosition.Left:
-                    case AnchorPosition.TopLeft:
-                    case AnchorPosition.BottomLeft:
+                    case AnchorPositionMode.Left:
+                    case AnchorPositionMode.TopLeft:
+                    case AnchorPositionMode.BottomLeft:
                         destinationX = 0;
                         break;
-                    case AnchorPosition.Right:
-                    case AnchorPosition.TopRight:
-                    case AnchorPosition.BottomRight:
+                    case AnchorPositionMode.Right:
+                    case AnchorPositionMode.TopRight:
+                    case AnchorPositionMode.BottomRight:
                         destinationX = (int)MathF.Round(width - (sourceWidth * ratio));
                         break;
                     default:
@@ -199,14 +199,14 @@ namespace SixLabors.ImageSharp.Processing.Transforms
 
                 switch (options.Position)
                 {
-                    case AnchorPosition.Top:
-                    case AnchorPosition.TopLeft:
-                    case AnchorPosition.TopRight:
+                    case AnchorPositionMode.Top:
+                    case AnchorPositionMode.TopLeft:
+                    case AnchorPositionMode.TopRight:
                         destinationY = 0;
                         break;
-                    case AnchorPosition.Bottom:
-                    case AnchorPosition.BottomLeft:
-                    case AnchorPosition.BottomRight:
+                    case AnchorPositionMode.Bottom:
+                    case AnchorPositionMode.BottomLeft:
+                    case AnchorPositionMode.BottomRight:
                         destinationY = (int)MathF.Round(height - (sourceHeight * ratio));
                         break;
                     default:
@@ -247,35 +247,35 @@ namespace SixLabors.ImageSharp.Processing.Transforms
 
                 switch (options.Position)
                 {
-                    case AnchorPosition.Left:
+                    case AnchorPositionMode.Left:
                         destinationY = (height - sourceHeight) / 2;
                         destinationX = 0;
                         break;
-                    case AnchorPosition.Right:
+                    case AnchorPositionMode.Right:
                         destinationY = (height - sourceHeight) / 2;
                         destinationX = width - sourceWidth;
                         break;
-                    case AnchorPosition.TopRight:
+                    case AnchorPositionMode.TopRight:
                         destinationY = 0;
                         destinationX = width - sourceWidth;
                         break;
-                    case AnchorPosition.Top:
+                    case AnchorPositionMode.Top:
                         destinationY = 0;
                         destinationX = (width - sourceWidth) / 2;
                         break;
-                    case AnchorPosition.TopLeft:
+                    case AnchorPositionMode.TopLeft:
                         destinationY = 0;
                         destinationX = 0;
                         break;
-                    case AnchorPosition.BottomRight:
+                    case AnchorPositionMode.BottomRight:
                         destinationY = height - sourceHeight;
                         destinationX = width - sourceWidth;
                         break;
-                    case AnchorPosition.Bottom:
+                    case AnchorPositionMode.Bottom:
                         destinationY = height - sourceHeight;
                         destinationX = (width - sourceWidth) / 2;
                         break;
-                    case AnchorPosition.BottomLeft:
+                    case AnchorPositionMode.BottomLeft:
                         destinationY = height - sourceHeight;
                         destinationX = 0;
                         break;

src/ImageSharp/Processing/Transforms/ResizeMode.cs

@@ -4,7 +4,7 @@
 namespace SixLabors.ImageSharp.Processing.Transforms
 {
     /// <summary>
-    /// Enumerated resize modes to apply to images.
+    /// Provides enumeration over how the image should be resized.
     /// </summary>
     public enum ResizeMode
     {

src/ImageSharp/Processing/Transforms/ResizeOptions.cs

@@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// <summary>
         /// Gets or sets the anchor position.
         /// </summary>
-        public AnchorPosition Position { get; set; } = AnchorPosition.Center;
+        public AnchorPositionMode Position { get; set; } = AnchorPositionMode.Center;
 
         /// <summary>
         /// Gets or sets the center coordinates.
@@ -36,7 +36,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// <summary>
         /// Gets or sets the sampler to perform the resize operation.
         /// </summary>
-        public IResampler Sampler { get; set; } = ResampleMode.Bicubic;
+        public IResampler Sampler { get; set; } = KnownResamplers.Bicubic;
 
         /// <summary>
         /// Gets or sets a value indicating whether to compress

src/ImageSharp/Processing/Transforms/RotateExtensions.cs

@@ -17,11 +17,11 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image to rotate.</param>
-        /// <param name="rotateType">The <see cref="RotateType"/> to perform the rotation.</param>
+        /// <param name="rotateMode">The <see cref="RotateMode"/> to perform the rotation.</param>
         /// <returns>The <see cref="Image{TPixel}"/></returns>
-        public static IImageProcessingContext<TPixel> Rotate<TPixel>(this IImageProcessingContext<TPixel> source, RotateType rotateType)
+        public static IImageProcessingContext<TPixel> Rotate<TPixel>(this IImageProcessingContext<TPixel> source, RotateMode rotateMode)
             where TPixel : struct, IPixel<TPixel>
-            => Rotate(source, (float)rotateType);
+            => Rotate(source, (float)rotateMode);
 
         /// <summary>
         /// Rotates an image by the given angle in degrees.
@@ -32,7 +32,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// <returns>The <see cref="Image{TPixel}"/></returns>
         public static IImageProcessingContext<TPixel> Rotate<TPixel>(this IImageProcessingContext<TPixel> source, float degrees)
             where TPixel : struct, IPixel<TPixel>
-            => Rotate(source, degrees, ResampleMode.Bicubic);
+            => Rotate(source, degrees, KnownResamplers.Bicubic);
 
         /// <summary>
         /// Rotates an image by the given angle in degrees using the specified sampling algorithm.

src/ImageSharp/Processing/Transforms/RotateFlipExtensions.cs

@@ -15,11 +15,11 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// </summary>
         /// <typeparam name="TPixel">The pixel format.</typeparam>
         /// <param name="source">The image to rotate, flip, or both.</param>
-        /// <param name="rotateType">The <see cref="RotateType"/> to perform the rotation.</param>
-        /// <param name="flipType">The <see cref="FlipType"/> to perform the flip.</param>
+        /// <param name="rotateMode">The <see cref="RotateMode"/> to perform the rotation.</param>
+        /// <param name="flipMode">The <see cref="FlipMode"/> to perform the flip.</param>
         /// <returns>The <see cref="Image{TPixel}"/></returns>
-        public static IImageProcessingContext<TPixel> RotateFlip<TPixel>(this IImageProcessingContext<TPixel> source, RotateType rotateType, FlipType flipType)
+        public static IImageProcessingContext<TPixel> RotateFlip<TPixel>(this IImageProcessingContext<TPixel> source, RotateMode rotateMode, FlipMode flipMode)
             where TPixel : struct, IPixel<TPixel>
-            => source.Rotate(rotateType).Flip(flipType);
+            => source.Rotate(rotateMode).Flip(flipMode);
     }
 }

src/ImageSharp/Processing/Transforms/RotateType.cs → src/ImageSharp/Processing/Transforms/RotateMode.cs

@@ -6,7 +6,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
     /// <summary>
     /// Provides enumeration over how the image should be rotated.
     /// </summary>
-    public enum RotateType
+    public enum RotateMode
     {
         /// <summary>
         /// Do not rotate the image.

src/ImageSharp/Processing/Transforms/SkewExtensions.cs

@@ -22,7 +22,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// <returns>The <see cref="Image{TPixel}"/></returns>
         public static IImageProcessingContext<TPixel> Skew<TPixel>(this IImageProcessingContext<TPixel> source, float degreesX, float degreesY)
             where TPixel : struct, IPixel<TPixel>
-            => Skew(source, degreesX, degreesY, ResampleMode.Bicubic);
+            => Skew(source, degreesX, degreesY, KnownResamplers.Bicubic);
 
         /// <summary>
         /// Skews an image by the given angles in degrees using the specified sampling algorithm.

src/ImageSharp/Processing/Transforms/TransformExtensions.cs

@@ -23,7 +23,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// <returns>The <see cref="Image{TPixel}"/></returns>
         public static IImageProcessingContext<TPixel> Transform<TPixel>(this IImageProcessingContext<TPixel> source, Matrix3x2 matrix)
             where TPixel : struct, IPixel<TPixel>
-            => Transform(source, matrix, ResampleMode.Bicubic);
+            => Transform(source, matrix, KnownResamplers.Bicubic);
 
         /// <summary>
         /// Transforms an image by the given matrix using the specified sampling algorithm.
@@ -88,7 +88,7 @@ namespace SixLabors.ImageSharp.Processing.Transforms
         /// <returns>The <see cref="Image{TPixel}"/></returns>
         internal static IImageProcessingContext<TPixel> Transform<TPixel>(this IImageProcessingContext<TPixel> source, Matrix4x4 matrix)
             where TPixel : struct, IPixel<TPixel>
-            => Transform(source, matrix, ResampleMode.Bicubic);
+            => Transform(source, matrix, KnownResamplers.Bicubic);
 
         /// <summary>
         /// Applies a projective transform to the image by the given matrix using the specified sampling algorithm.

tests/ImageSharp.Tests/Drawing/DrawImageTest.cs

@@ -66,7 +66,7 @@ namespace SixLabors.ImageSharp.Tests
                 // We pass a new rectangle here based on the dest bounds since we've offset the matrix
                 blend.Mutate(x => x.Transform(
                     centeredMatrix,
-                    ResampleMode.Bicubic,
+                    KnownResamplers.Bicubic,
                     new Rectangle(0, 0, destBounds.Width, destBounds.Height)));
 
                 var position = new Point((image.Width - blend.Width) / 2, (image.Height - blend.Height) / 2);

tests/ImageSharp.Tests/Formats/GeneralFormatTests.cs

@@ -74,7 +74,7 @@ namespace SixLabors.ImageSharp.Tests
                     {
                         using (FileStream output = File.OpenWrite($"{path}/Octree-{file.FileName}"))
                         {
-                            image.Mutate(x => x.Quantize(QuantizationMode.Octree));
+                            image.Mutate(x => x.Quantize(KnownQuantizers.Octree));
                             image.Save(output, mimeType);
 
                         }
@@ -84,7 +84,7 @@ namespace SixLabors.ImageSharp.Tests
                     {
                         using (FileStream output = File.OpenWrite($"{path}/Wu-{file.FileName}"))
                         {
-                            image.Mutate(x => x.Quantize(QuantizationMode.Wu));
+                            image.Mutate(x => x.Quantize(KnownQuantizers.Wu));
                             image.Save(output, mimeType);
                         }
                     }
@@ -93,7 +93,7 @@ namespace SixLabors.ImageSharp.Tests
                     {
                         using (FileStream output = File.OpenWrite($"{path}/Palette-{file.FileName}"))
                         {
-                            image.Mutate(x => x.Quantize(QuantizationMode.Palette));
+                            image.Mutate(x => x.Quantize(KnownQuantizers.Palette));
                             image.Save(output, mimeType);
                         }
                     }

tests/ImageSharp.Tests/MetaData/ImageMetaDataTests.cs

@@ -6,6 +6,8 @@ using SixLabors.ImageSharp.Formats.Gif;
 using SixLabors.ImageSharp.MetaData;
 using SixLabors.ImageSharp.MetaData.Profiles.Exif;
 using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Primitives;
+
 using Xunit;
 
 namespace SixLabors.ImageSharp.Tests

tests/ImageSharp.Tests/MetaData/Profiles/Exif/ExifProfileTests.cs

@@ -9,6 +9,8 @@ using System.Text;
 using SixLabors.ImageSharp.MetaData;
 using SixLabors.ImageSharp.MetaData.Profiles.Exif;
 using SixLabors.ImageSharp.PixelFormats;
+using SixLabors.ImageSharp.Primitives;
+
 using Xunit;
 
 namespace SixLabors.ImageSharp.Tests

tests/ImageSharp.Tests/Numerics/RationalTests.cs

@@ -2,6 +2,8 @@
 // Licensed under the Apache License, Version 2.0.
 
 using SixLabors.ImageSharp.MetaData.Profiles.Exif;
+using SixLabors.ImageSharp.Primitives;
+
 using Xunit;
 
 namespace SixLabors.ImageSharp.Tests

tests/ImageSharp.Tests/Numerics/SignedRationalTests.cs

@@ -2,6 +2,8 @@
 // Licensed under the Apache License, Version 2.0.
 
 using SixLabors.ImageSharp.MetaData.Profiles.Exif;
+using SixLabors.ImageSharp.Primitives;
+
 using Xunit;
 
 namespace SixLabors.ImageSharp.Tests

tests/ImageSharp.Tests/Processing/Binarization/BinaryDitherTest.cs

@@ -20,8 +20,8 @@ namespace SixLabors.ImageSharp.Tests.Processing.Binarization
 
         public BinaryDitherTest()
         {
-            this.orderedDither = DitherMode.BayerDither4x4;
-            this.errorDiffuser = DiffuseMode.FloydSteinberg;
+            this.orderedDither = KnownDitherMatrices.BayerDither4x4;
+            this.errorDiffuser = KnownDiffusers.FloydSteinberg;
         }
 
         [Fact]

tests/ImageSharp.Tests/Processing/Dithering/DitherTest.cs

@@ -25,8 +25,8 @@ namespace SixLabors.ImageSharp.Tests.Processing.Binarization
 
         public DitherTest()
         {
-            this.orderedDither = DitherMode.BayerDither4x4;
-            this.errorDiffuser = DiffuseMode.FloydSteinberg;
+            this.orderedDither = KnownDitherMatrices.BayerDither4x4;
+            this.errorDiffuser = KnownDiffusers.FloydSteinberg;
         }
 
         [Fact]

tests/ImageSharp.Tests/Processing/Filters/ColorBlindnessTest.cs

@@ -17,19 +17,19 @@ namespace SixLabors.ImageSharp.Tests.Processing.Filters
     public class ColorBlindnessTest : BaseImageOperationsExtensionTest
     {
         public static IEnumerable<object[]> TheoryData = new[] {
-            new object[]{ new TestType<AchromatomalyProcessor<Rgba32>>(), ColorBlindness.Achromatomaly },
-            new object[]{ new TestType<AchromatopsiaProcessor<Rgba32>>(), ColorBlindness.Achromatopsia },
-            new object[]{ new TestType<DeuteranomalyProcessor<Rgba32>>(), ColorBlindness.Deuteranomaly },
-            new object[]{ new TestType<DeuteranopiaProcessor<Rgba32>>(), ColorBlindness.Deuteranopia },
-            new object[]{ new TestType<ProtanomalyProcessor<Rgba32>>(), ColorBlindness.Protanomaly },
-            new object[]{ new TestType<ProtanopiaProcessor<Rgba32>>(), ColorBlindness.Protanopia },
-            new object[]{ new TestType<TritanomalyProcessor<Rgba32>>(), ColorBlindness.Tritanomaly },
-            new object[]{ new TestType<TritanopiaProcessor<Rgba32>>(), ColorBlindness.Tritanopia }
+            new object[]{ new TestType<AchromatomalyProcessor<Rgba32>>(), ColorBlindnessMode.Achromatomaly },
+            new object[]{ new TestType<AchromatopsiaProcessor<Rgba32>>(), ColorBlindnessMode.Achromatopsia },
+            new object[]{ new TestType<DeuteranomalyProcessor<Rgba32>>(), ColorBlindnessMode.Deuteranomaly },
+            new object[]{ new TestType<DeuteranopiaProcessor<Rgba32>>(), ColorBlindnessMode.Deuteranopia },
+            new object[]{ new TestType<ProtanomalyProcessor<Rgba32>>(), ColorBlindnessMode.Protanomaly },
+            new object[]{ new TestType<ProtanopiaProcessor<Rgba32>>(), ColorBlindnessMode.Protanopia },
+            new object[]{ new TestType<TritanomalyProcessor<Rgba32>>(), ColorBlindnessMode.Tritanomaly },
+            new object[]{ new TestType<TritanopiaProcessor<Rgba32>>(), ColorBlindnessMode.Tritanopia }
         };
 
         [Theory]
         [MemberData(nameof(TheoryData))]
-        public void ColorBlindness_CorrectProcessor<T>(TestType<T> testType, ColorBlindness colorBlindness)
+        public void ColorBlindness_CorrectProcessor<T>(TestType<T> testType, ColorBlindnessMode colorBlindness)
             where T : IImageProcessor<Rgba32>
         {
             this.operations.ColorBlindness(colorBlindness);
@@ -37,7 +37,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Filters
         }
         [Theory]
         [MemberData(nameof(TheoryData))]
-        public void ColorBlindness_rect_CorrectProcessor<T>(TestType<T> testType, ColorBlindness colorBlindness)
+        public void ColorBlindness_rect_CorrectProcessor<T>(TestType<T> testType, ColorBlindnessMode colorBlindness)
             where T : IImageProcessor<Rgba32>
         {
             this.operations.ColorBlindness(colorBlindness, this.rect);

tests/ImageSharp.Tests/Processing/Filters/FilterTest.cs

@@ -16,14 +16,14 @@ namespace SixLabors.ImageSharp.Tests.Processing.Filters
         [Fact]
         public void Filter_CorrectProcessor()
         {
-            this.operations.Filter(MatrixFilters.AchromatomalyFilter * MatrixFilters.CreateHueFilter(90F));
+            this.operations.Filter(KnownMatrixFilters.AchromatomalyFilter * KnownMatrixFilters.CreateHueFilter(90F));
             FilterProcessor<Rgba32> p = this.Verify<FilterProcessor<Rgba32>>();
         }
 
         [Fact]
         public void Filter_rect_CorrectProcessor()
         {
-            this.operations.Filter(MatrixFilters.AchromatomalyFilter * MatrixFilters.CreateHueFilter(90F), this.rect);
+            this.operations.Filter(KnownMatrixFilters.AchromatomalyFilter * KnownMatrixFilters.CreateHueFilter(90F), this.rect);
             FilterProcessor<Rgba32> p = this.Verify<FilterProcessor<Rgba32>>(this.rect);
         }
     }

tests/ImageSharp.Tests/Processing/Processors/Binarization/BinaryDitherTests.cs

@@ -25,29 +25,29 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Binarization
 
         public static readonly TheoryData<string, IOrderedDither> OrderedDitherers = new TheoryData<string, IOrderedDither>
         {
-            { "Bayer8x8", DitherMode.BayerDither8x8 },
-            { "Bayer4x4", DitherMode.BayerDither4x4 },
-            { "Ordered3x3", DitherMode.OrderedDither3x3 },
-            { "Bayer2x2", DitherMode.BayerDither2x2 }
+            { "Bayer8x8", KnownDitherMatrices.BayerDither8x8 },
+            { "Bayer4x4", KnownDitherMatrices.BayerDither4x4 },
+            { "Ordered3x3", KnownDitherMatrices.OrderedDither3x3 },
+            { "Bayer2x2", KnownDitherMatrices.BayerDither2x2 }
         };
 
         public static readonly TheoryData<string, IErrorDiffuser> ErrorDiffusers = new TheoryData<string, IErrorDiffuser>
         {
-            { "Atkinson", DiffuseMode.Atkinson },
-            { "Burks", DiffuseMode.Burks },
-            { "FloydSteinberg", DiffuseMode.FloydSteinberg },
-            { "JarvisJudiceNinke", DiffuseMode.JarvisJudiceNinke },
-            { "Sierra2", DiffuseMode.Sierra2 },
-            { "Sierra3", DiffuseMode.Sierra3 },
-            { "SierraLite", DiffuseMode.SierraLite },
-            { "StevensonArce", DiffuseMode.StevensonArce },
-            { "Stucki", DiffuseMode.Stucki },
+            { "Atkinson", KnownDiffusers.Atkinson },
+            { "Burks", KnownDiffusers.Burks },
+            { "FloydSteinberg", KnownDiffusers.FloydSteinberg },
+            { "JarvisJudiceNinke", KnownDiffusers.JarvisJudiceNinke },
+            { "Sierra2", KnownDiffusers.Sierra2 },
+            { "Sierra3", KnownDiffusers.Sierra3 },
+            { "SierraLite", KnownDiffusers.SierraLite },
+            { "StevensonArce", KnownDiffusers.StevensonArce },
+            { "Stucki", KnownDiffusers.Stucki },
         };
 
 
-        private static IOrderedDither DefaultDitherer => DitherMode.BayerDither4x4;
+        private static IOrderedDither DefaultDitherer => KnownDitherMatrices.BayerDither4x4;
 
-        private static IErrorDiffuser DefaultErrorDiffuser => DiffuseMode.Atkinson;
+        private static IErrorDiffuser DefaultErrorDiffuser => KnownDiffusers.Atkinson;
 
         [Theory]
         [WithFileCollection(nameof(CommonTestImages), nameof(OrderedDitherers), DefaultPixelType)]

tests/ImageSharp.Tests/Processing/Processors/Dithering/DitherTests.cs

@@ -24,29 +24,29 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Binarization
 
         public static readonly TheoryData<string, IOrderedDither> OrderedDitherers = new TheoryData<string, IOrderedDither>
         {
-            { "Bayer8x8", DitherMode.BayerDither8x8 },
-            { "Bayer4x4", DitherMode.BayerDither4x4 },
-            { "Ordered3x3", DitherMode.OrderedDither3x3 },
-            { "Bayer2x2", DitherMode.BayerDither2x2 }
+            { "Bayer8x8", KnownDitherMatrices.BayerDither8x8 },
+            { "Bayer4x4", KnownDitherMatrices.BayerDither4x4 },
+            { "Ordered3x3", KnownDitherMatrices.OrderedDither3x3 },
+            { "Bayer2x2", KnownDitherMatrices.BayerDither2x2 }
         };
 
         public static readonly TheoryData<string, IErrorDiffuser> ErrorDiffusers = new TheoryData<string, IErrorDiffuser>
         {
-            { "Atkinson", DiffuseMode.Atkinson },
-            { "Burks", DiffuseMode.Burks },
-            { "FloydSteinberg", DiffuseMode.FloydSteinberg },
-            { "JarvisJudiceNinke", DiffuseMode.JarvisJudiceNinke },
-            { "Sierra2", DiffuseMode.Sierra2 },
-            { "Sierra3", DiffuseMode.Sierra3 },
-            { "SierraLite", DiffuseMode.SierraLite },
-            { "StevensonArce", DiffuseMode.StevensonArce },
-            { "Stucki", DiffuseMode.Stucki },
+            { "Atkinson", KnownDiffusers.Atkinson },
+            { "Burks", KnownDiffusers.Burks },
+            { "FloydSteinberg", KnownDiffusers.FloydSteinberg },
+            { "JarvisJudiceNinke", KnownDiffusers.JarvisJudiceNinke },
+            { "Sierra2", KnownDiffusers.Sierra2 },
+            { "Sierra3", KnownDiffusers.Sierra3 },
+            { "SierraLite", KnownDiffusers.SierraLite },
+            { "StevensonArce", KnownDiffusers.StevensonArce },
+            { "Stucki", KnownDiffusers.Stucki },
         };
 
 
-        private static IOrderedDither DefaultDitherer => DitherMode.BayerDither4x4;
+        private static IOrderedDither DefaultDitherer => KnownDitherMatrices.BayerDither4x4;
 
-        private static IErrorDiffuser DefaultErrorDiffuser => DiffuseMode.Atkinson;
+        private static IErrorDiffuser DefaultErrorDiffuser => KnownDiffusers.Atkinson;
 
         [Theory]
         [WithFileCollection(nameof(CommonTestImages), nameof(OrderedDitherers), DefaultPixelType)]

tests/ImageSharp.Tests/Processing/Processors/Filters/ColorBlindnessTest.cs

@@ -13,22 +13,22 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Filters
     [GroupOutput("Filters")]
     public class ColorBlindnessTest
     {
-        public static readonly TheoryData<ColorBlindness> ColorBlindnessFilters
-        = new TheoryData<ColorBlindness>
+        public static readonly TheoryData<ColorBlindnessMode> ColorBlindnessFilters
+        = new TheoryData<ColorBlindnessMode>
         {
-            ColorBlindness.Achromatomaly,
-            ColorBlindness.Achromatopsia,
-            ColorBlindness.Deuteranomaly,
-            ColorBlindness.Deuteranopia,
-            ColorBlindness.Protanomaly,
-            ColorBlindness.Protanopia,
-            ColorBlindness.Tritanomaly,
-            ColorBlindness.Tritanopia
+            ColorBlindnessMode.Achromatomaly,
+            ColorBlindnessMode.Achromatopsia,
+            ColorBlindnessMode.Deuteranomaly,
+            ColorBlindnessMode.Deuteranopia,
+            ColorBlindnessMode.Protanomaly,
+            ColorBlindnessMode.Protanopia,
+            ColorBlindnessMode.Tritanomaly,
+            ColorBlindnessMode.Tritanopia
         };
 
         [Theory]
         [WithTestPatternImages(nameof(ColorBlindnessFilters), 48, 48, PixelTypes.Rgba32)]
-        public void ApplyColorBlindnessFilter<TPixel>(TestImageProvider<TPixel> provider, ColorBlindness colorBlindness)
+        public void ApplyColorBlindnessFilter<TPixel>(TestImageProvider<TPixel> provider, ColorBlindnessMode colorBlindness)
             where TPixel : struct, IPixel<TPixel>
         {
             provider.RunValidatingProcessorTest(x => x.ColorBlindness(colorBlindness), colorBlindness.ToString());

tests/ImageSharp.Tests/Processing/Processors/Filters/FilterTest.cs

@@ -40,9 +40,9 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Filters
 
         private static Matrix4x4 CreateCombinedTestFilterMatrix()
         {
-            Matrix4x4 brightness = MatrixFilters.CreateBrightnessFilter(0.9F);
-            Matrix4x4 hue = MatrixFilters.CreateHueFilter(180F);
-            Matrix4x4 saturation = MatrixFilters.CreateSaturateFilter(1.5F);
+            Matrix4x4 brightness = KnownMatrixFilters.CreateBrightnessFilter(0.9F);
+            Matrix4x4 hue = KnownMatrixFilters.CreateHueFilter(180F);
+            Matrix4x4 saturation = KnownMatrixFilters.CreateSaturateFilter(1.5F);
             Matrix4x4 m = brightness * hue * saturation;
             return m;
         }

tests/ImageSharp.Tests/Processing/Processors/Transforms/AutoOrientTests.cs

@@ -15,18 +15,18 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
     {
         public static readonly string[] FlipFiles = { TestImages.Bmp.F };
 
-        public static readonly TheoryData<RotateType, FlipType, ushort> OrientationValues
-            = new TheoryData<RotateType, FlipType, ushort>
+        public static readonly TheoryData<RotateMode, FlipMode, ushort> OrientationValues
+            = new TheoryData<RotateMode, FlipMode, ushort>
         {
-            { RotateType.None,      FlipType.None,       0 },
-            { RotateType.None,      FlipType.None,       1 },
-            { RotateType.None,      FlipType.Horizontal, 2 },
-            { RotateType.Rotate180, FlipType.None,       3 },
-            { RotateType.Rotate180, FlipType.Horizontal, 4 },
-            { RotateType.Rotate90,  FlipType.Horizontal, 5 },
-            { RotateType.Rotate270, FlipType.None,       6 },
-            { RotateType.Rotate90,  FlipType.Vertical,   7 },
-            { RotateType.Rotate90,  FlipType.None,       8 },
+            { RotateMode.None,      FlipMode.None,       0 },
+            { RotateMode.None,      FlipMode.None,       1 },
+            { RotateMode.None,      FlipMode.Horizontal, 2 },
+            { RotateMode.Rotate180, FlipMode.None,       3 },
+            { RotateMode.Rotate180, FlipMode.Horizontal, 4 },
+            { RotateMode.Rotate90,  FlipMode.Horizontal, 5 },
+            { RotateMode.Rotate270, FlipMode.None,       6 },
+            { RotateMode.Rotate90,  FlipMode.Vertical,   7 },
+            { RotateMode.Rotate90,  FlipMode.None,       8 },
         };
 
         public static readonly TheoryData<ExifDataType, byte[]> InvalidOrientationValues
@@ -41,7 +41,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
 
         [Theory]
         [WithFileCollection(nameof(FlipFiles), nameof(OrientationValues), DefaultPixelType)]
-        public void ImageShouldAutoRotate<TPixel>(TestImageProvider<TPixel> provider, RotateType rotateType, FlipType flipType, ushort orientation)
+        public void ImageShouldAutoRotate<TPixel>(TestImageProvider<TPixel> provider, RotateMode rotateType, FlipMode flipType, ushort orientation)
             where TPixel : struct, IPixel<TPixel>
         {
             using (Image<TPixel> image = provider.GetImage())

tests/ImageSharp.Tests/Processing/Processors/Transforms/FlipTests.cs

@@ -13,17 +13,17 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
     {
         public static readonly string[] FlipFiles = { TestImages.Bmp.F };
 
-        public static readonly TheoryData<FlipType> FlipValues
-            = new TheoryData<FlipType>
+        public static readonly TheoryData<FlipMode> FlipValues
+            = new TheoryData<FlipMode>
         {
-            { FlipType.None },
-            { FlipType.Vertical },
-            { FlipType.Horizontal },
+            { FlipMode.None },
+            { FlipMode.Vertical },
+            { FlipMode.Horizontal },
         };
 
         [Theory]
         [WithFileCollection(nameof(FlipFiles), nameof(FlipValues), DefaultPixelType)]
-        public void ImageShouldFlip<TPixel>(TestImageProvider<TPixel> provider, FlipType flipType)
+        public void ImageShouldFlip<TPixel>(TestImageProvider<TPixel> provider, FlipMode flipType)
             where TPixel : struct, IPixel<TPixel>
         {
             using (Image<TPixel> image = provider.GetImage())

tests/ImageSharp.Tests/Processing/Processors/Transforms/ResizeProfilingBenchmarks.cs

@@ -45,7 +45,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         public void PrintWeightsData()
         {
             var size = new Size(500, 500);
-            var proc = new ResizeProcessor<Rgba32>(ResampleMode.Bicubic, 200, 200, size);
+            var proc = new ResizeProcessor<Rgba32>(KnownResamplers.Bicubic, 200, 200, size);
 
             WeightsBuffer weights = proc.PrecomputeWeights(Configuration.Default.MemoryManager, proc.Width, size.Width);
 

tests/ImageSharp.Tests/Processing/Processors/Transforms/ResizeTests.cs

@@ -20,20 +20,20 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         public static readonly TheoryData<string, IResampler> AllReSamplers =
             new TheoryData<string, IResampler>
             {
-                { "Bicubic", ResampleMode.Bicubic },
-                { "Triangle", ResampleMode.Triangle},
-                { "NearestNeighbor", ResampleMode.NearestNeighbor },
-                { "Box", ResampleMode.Box },
+                { "Bicubic", KnownResamplers.Bicubic },
+                { "Triangle", KnownResamplers.Triangle},
+                { "NearestNeighbor", KnownResamplers.NearestNeighbor },
+                { "Box", KnownResamplers.Box },
                 // { "Lanczos2", KnownResamplers.Lanczos2 }, TODO: Add expected file
-                { "Lanczos3", ResampleMode.Lanczos3 },
-                { "Lanczos5", ResampleMode.Lanczos5 },
-                { "MitchellNetravali", ResampleMode.MitchellNetravali  },
-                { "Lanczos8", ResampleMode.Lanczos8  },
-                { "Hermite", ResampleMode.Hermite  },
-                { "Spline", ResampleMode.Spline  },
-                { "Robidoux", ResampleMode.Robidoux  },
-                { "RobidouxSharp", ResampleMode.RobidouxSharp },
-                { "Welch", ResampleMode.Welch  }
+                { "Lanczos3", KnownResamplers.Lanczos3 },
+                { "Lanczos5", KnownResamplers.Lanczos5 },
+                { "MitchellNetravali", KnownResamplers.MitchellNetravali  },
+                { "Lanczos8", KnownResamplers.Lanczos8  },
+                { "Hermite", KnownResamplers.Hermite  },
+                { "Spline", KnownResamplers.Spline  },
+                { "Robidoux", KnownResamplers.Robidoux  },
+                { "RobidouxSharp", KnownResamplers.RobidouxSharp },
+                { "Welch", KnownResamplers.Welch  }
             };
 
         [Theory]
@@ -102,7 +102,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         {
             using (Image<TPixel> image = provider.GetImage())
             {
-                image.Mutate(x => x.Resize(image.Width / 2, image.Height / 2, ResampleMode.NearestNeighbor));
+                image.Mutate(x => x.Resize(image.Width / 2, image.Height / 2, KnownResamplers.NearestNeighbor));
 
                 // Comparer fights decoder with gif-s. Could not use CompareToReferenceOutput here :(
                 image.DebugSave(provider, extension: Extensions.Gif);
@@ -119,7 +119,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
                 var sourceRectangle = new Rectangle(image.Width / 8, image.Height / 8, image.Width / 4, image.Height / 4);
                 var destRectangle = new Rectangle(image.Width / 4, image.Height / 4, image.Width / 2, image.Height / 2);
 
-                image.Mutate(x => x.Resize(image.Width, image.Height, ResampleMode.Bicubic, sourceRectangle, destRectangle, false));
+                image.Mutate(x => x.Resize(image.Width, image.Height, KnownResamplers.Bicubic, sourceRectangle, destRectangle, false));
 
                 image.DebugSave(provider);
                 image.CompareToReferenceOutput(provider);
@@ -300,7 +300,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         [InlineData(2, 0)]
         public static void BicubicWindowOscillatesCorrectly(float x, float expected)
         {
-            var sampler = ResampleMode.Bicubic;
+            var sampler = KnownResamplers.Bicubic;
             float result = sampler.GetValue(x);
 
             Assert.Equal(result, expected);
@@ -314,7 +314,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         [InlineData(2, 0)]
         public static void TriangleWindowOscillatesCorrectly(float x, float expected)
         {
-            var sampler = ResampleMode.Triangle;
+            var sampler = KnownResamplers.Triangle;
             float result = sampler.GetValue(x);
 
             Assert.Equal(result, expected);
@@ -328,7 +328,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         [InlineData(2, 0)]
         public static void Lanczos3WindowOscillatesCorrectly(float x, float expected)
         {
-            var sampler = ResampleMode.Lanczos3;
+            var sampler = KnownResamplers.Lanczos3;
             float result = sampler.GetValue(x);
 
             Assert.Equal(result, expected);
@@ -342,7 +342,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         [InlineData(4, 0)]
         public static void Lanczos5WindowOscillatesCorrectly(float x, float expected)
         {
-            var sampler = ResampleMode.Lanczos5;
+            var sampler = KnownResamplers.Lanczos5;
             float result = sampler.GetValue(x);
 
             Assert.Equal(result, expected);

tests/ImageSharp.Tests/Processing/Processors/Transforms/RotateFlipTests.cs

@@ -13,20 +13,20 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
     {
         public static readonly string[] FlipFiles = { TestImages.Bmp.F };
 
-        public static readonly TheoryData<RotateType, FlipType> RotateFlipValues
-            = new TheoryData<RotateType, FlipType>
+        public static readonly TheoryData<RotateMode, FlipMode> RotateFlipValues
+            = new TheoryData<RotateMode, FlipMode>
         {
-            { RotateType.None, FlipType.Vertical },
-            { RotateType.None, FlipType.Horizontal },
-            { RotateType.Rotate90, FlipType.None },
-            { RotateType.Rotate180, FlipType.None },
-            { RotateType.Rotate270, FlipType.None },
+            { RotateMode.None, FlipMode.Vertical },
+            { RotateMode.None, FlipMode.Horizontal },
+            { RotateMode.Rotate90, FlipMode.None },
+            { RotateMode.Rotate180, FlipMode.None },
+            { RotateMode.Rotate270, FlipMode.None },
         };
 
         [Theory]
         [WithTestPatternImages(nameof(RotateFlipValues), 100, 50, DefaultPixelType)]
         [WithTestPatternImages(nameof(RotateFlipValues), 50, 100, DefaultPixelType)]
-        public void RotateFlip<TPixel>(TestImageProvider<TPixel> provider, RotateType rotateType, FlipType flipType)
+        public void RotateFlip<TPixel>(TestImageProvider<TPixel> provider, RotateMode rotateType, FlipMode flipType)
             where TPixel : struct, IPixel<TPixel>
         {
             using (Image<TPixel> image = provider.GetImage())

tests/ImageSharp.Tests/Processing/Processors/Transforms/RotateTests.cs

@@ -21,13 +21,13 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
             50, -50, 170, -170
         };
 
-        public static readonly TheoryData<RotateType> RotateEnumValues
-            = new TheoryData<RotateType>
+        public static readonly TheoryData<RotateMode> RotateEnumValues
+            = new TheoryData<RotateMode>
         {
-            RotateType.None,
-            RotateType.Rotate90,
-            RotateType.Rotate180,
-            RotateType.Rotate270
+            RotateMode.None,
+            RotateMode.Rotate90,
+            RotateMode.Rotate180,
+            RotateMode.Rotate270
         };
         
         [Theory]
@@ -46,7 +46,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         [Theory]
         [WithTestPatternImages(nameof(RotateEnumValues), 100, 50, DefaultPixelType)]
         [WithTestPatternImages(nameof(RotateEnumValues), 50, 100, DefaultPixelType)]
-        public void Rotate_WithRotateTypeEnum<TPixel>(TestImageProvider<TPixel> provider, RotateType value)
+        public void Rotate_WithRotateTypeEnum<TPixel>(TestImageProvider<TPixel> provider, RotateMode value)
             where TPixel : struct, IPixel<TPixel>
         {
             using (Image<TPixel> image = provider.GetImage())

tests/ImageSharp.Tests/Processing/Processors/Transforms/SkewTest.cs

@@ -26,21 +26,21 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
         public static readonly List<string> ResamplerNames
             = new List<string>
         {
-            nameof(ResampleMode.Bicubic),
-            nameof(ResampleMode.Box),
-            nameof(ResampleMode.CatmullRom),
-            nameof(ResampleMode.Hermite),
-            nameof(ResampleMode.Lanczos2),
-            nameof(ResampleMode.Lanczos3),
-            nameof(ResampleMode.Lanczos5),
-            nameof(ResampleMode.Lanczos8),
-            nameof(ResampleMode.MitchellNetravali),
-            nameof(ResampleMode.NearestNeighbor),
-            nameof(ResampleMode.Robidoux),
-            nameof(ResampleMode.RobidouxSharp),
-            nameof(ResampleMode.Spline),
-            nameof(ResampleMode.Triangle),
-            nameof(ResampleMode.Welch),
+            nameof(KnownResamplers.Bicubic),
+            nameof(KnownResamplers.Box),
+            nameof(KnownResamplers.CatmullRom),
+            nameof(KnownResamplers.Hermite),
+            nameof(KnownResamplers.Lanczos2),
+            nameof(KnownResamplers.Lanczos3),
+            nameof(KnownResamplers.Lanczos5),
+            nameof(KnownResamplers.Lanczos8),
+            nameof(KnownResamplers.MitchellNetravali),
+            nameof(KnownResamplers.NearestNeighbor),
+            nameof(KnownResamplers.Robidoux),
+            nameof(KnownResamplers.RobidouxSharp),
+            nameof(KnownResamplers.Spline),
+            nameof(KnownResamplers.Triangle),
+            nameof(KnownResamplers.Welch),
         };
 
         [Theory]
@@ -73,7 +73,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms
 
         private static IResampler GetResampler(string name)
         {
-            PropertyInfo property = typeof(ResampleMode).GetTypeInfo().GetProperty(name);
+            PropertyInfo property = typeof(KnownResamplers).GetTypeInfo().GetProperty(name);
 
             if (property == null)
             {

tests/ImageSharp.Tests/Processing/Transforms/AffineTransformTests.cs

@@ -38,30 +38,30 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
         public static readonly TheoryData<string> ResamplerNames =
             new TheoryData<string>
                   {
-                      nameof(ResampleMode.Bicubic),
-                      nameof(ResampleMode.Box),
-                      nameof(ResampleMode.CatmullRom),
-                      nameof(ResampleMode.Hermite),
-                      nameof(ResampleMode.Lanczos2),
-                      nameof(ResampleMode.Lanczos3),
-                      nameof(ResampleMode.Lanczos5),
-                      nameof(ResampleMode.Lanczos8),
-                      nameof(ResampleMode.MitchellNetravali),
-                      nameof(ResampleMode.NearestNeighbor),
-                      nameof(ResampleMode.Robidoux),
-                      nameof(ResampleMode.RobidouxSharp),
-                      nameof(ResampleMode.Spline),
-                      nameof(ResampleMode.Triangle),
-                      nameof(ResampleMode.Welch),
+                      nameof(KnownResamplers.Bicubic),
+                      nameof(KnownResamplers.Box),
+                      nameof(KnownResamplers.CatmullRom),
+                      nameof(KnownResamplers.Hermite),
+                      nameof(KnownResamplers.Lanczos2),
+                      nameof(KnownResamplers.Lanczos3),
+                      nameof(KnownResamplers.Lanczos5),
+                      nameof(KnownResamplers.Lanczos8),
+                      nameof(KnownResamplers.MitchellNetravali),
+                      nameof(KnownResamplers.NearestNeighbor),
+                      nameof(KnownResamplers.Robidoux),
+                      nameof(KnownResamplers.RobidouxSharp),
+                      nameof(KnownResamplers.Spline),
+                      nameof(KnownResamplers.Triangle),
+                      nameof(KnownResamplers.Welch),
                   };
 
         public static readonly TheoryData<string> Transform_DoesNotCreateEdgeArtifacts_ResamplerNames =
             new TheoryData<string>
                 {
-                    nameof(ResampleMode.NearestNeighbor),
-                    nameof(ResampleMode.Triangle),
-                    nameof(ResampleMode.Bicubic),
-                    nameof(ResampleMode.Lanczos8),
+                    nameof(KnownResamplers.NearestNeighbor),
+                    nameof(KnownResamplers.Triangle),
+                    nameof(KnownResamplers.Bicubic),
+                    nameof(KnownResamplers.Lanczos8),
                 };
 
         public AffineTransformTests(ITestOutputHelper output)
@@ -113,7 +113,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
 
                 this.PrintMatrix(m);
 
-                image.Mutate(i => i.Transform(m, ResampleMode.Bicubic));
+                image.Mutate(i => i.Transform(m, KnownResamplers.Bicubic));
 
                 string testOutputDetails = $"R({angleDeg})_S({sx},{sy})_T({tx},{ty})";
                 image.DebugSave(provider, testOutputDetails);
@@ -130,7 +130,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
             {
                 Matrix3x2 m = this.MakeManuallyCenteredMatrix(angleDeg, s, image);
 
-                image.Mutate(i => i.Transform(m, ResampleMode.Bicubic));
+                image.Mutate(i => i.Transform(m, KnownResamplers.Bicubic));
 
                 string testOutputDetails = $"R({angleDeg})_S({s})";
                 image.DebugSave(provider, testOutputDetails);
@@ -163,7 +163,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
             {
                 var m = Matrix3x2.CreateScale(2.0F, 1.5F);
                 
-                image.Mutate(i => i.Transform(m, ResampleMode.Spline, rectangle));
+                image.Mutate(i => i.Transform(m, KnownResamplers.Spline, rectangle));
 
                 image.DebugSave(provider);
                 image.CompareToReferenceOutput(provider);
@@ -181,7 +181,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
             {
                 var m = Matrix3x2.CreateScale(1.0F, 2.0F);
 
-                image.Mutate(i => i.Transform(m, ResampleMode.Spline, rectangle));
+                image.Mutate(i => i.Transform(m, KnownResamplers.Spline, rectangle));
 
                 image.DebugSave(provider);
                 image.CompareToReferenceOutput(provider);
@@ -225,7 +225,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
 
         private static IResampler GetResampler(string name)
         {
-            PropertyInfo property = typeof(ResampleMode).GetTypeInfo().GetProperty(name);
+            PropertyInfo property = typeof(KnownResamplers).GetTypeInfo().GetProperty(name);
 
             if (property == null)
             {

tests/ImageSharp.Tests/Processing/Transforms/FlipTests.cs

@@ -16,15 +16,15 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
     {
 
         [Theory]
-        [InlineData(FlipType.None)]
-        [InlineData(FlipType.Horizontal)]
-        [InlineData(FlipType.Vertical)]
-        public void Flip_degreesFloat_RotateProcessorWithAnglesSetAndExpandTrue(FlipType flip)
+        [InlineData(FlipMode.None)]
+        [InlineData(FlipMode.Horizontal)]
+        [InlineData(FlipMode.Vertical)]
+        public void Flip_degreesFloat_RotateProcessorWithAnglesSetAndExpandTrue(FlipMode flip)
         {
             this.operations.Flip(flip);
             FlipProcessor<Rgba32> flipProcessor = this.Verify<FlipProcessor<Rgba32>>();
 
-            Assert.Equal(flip, flipProcessor.FlipType);
+            Assert.Equal(flip, flipProcessor.FlipMode);
         }
     }
 }

tests/ImageSharp.Tests/Processing/Transforms/PadTest.cs

@@ -17,7 +17,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
         {
             int width = 500;
             int height = 565;
-            IResampler sampler = ResampleMode.NearestNeighbor;
+            IResampler sampler = KnownResamplers.NearestNeighbor;
 
             this.operations.Pad(width, height);
             ResizeProcessor<Rgba32> resizeProcessor = this.Verify<ResizeProcessor<Rgba32>>();

tests/ImageSharp.Tests/Processing/Transforms/ResizeTests.cs

@@ -29,7 +29,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
         {
             int width = 50;
             int height = 100;
-            IResampler sampler = ResampleMode.Lanczos3;
+            IResampler sampler = KnownResamplers.Lanczos3;
             this.operations.Resize(width, height, sampler);
             ResizeProcessor<Rgba32> resizeProcessor = this.Verify<ResizeProcessor<Rgba32>>();
 
@@ -43,7 +43,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
         {
             int width = 50;
             int height = 100;
-            IResampler sampler = ResampleMode.Lanczos3;
+            IResampler sampler = KnownResamplers.Lanczos3;
             bool compand = true;
 
             // ReSharper disable once ConditionIsAlwaysTrueOrFalse
@@ -61,7 +61,7 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
         {
             int width = 50;
             int height = 100;
-            IResampler sampler = ResampleMode.Lanczos3;
+            IResampler sampler = KnownResamplers.Lanczos3;
             bool compand = true;
             ResizeMode mode = ResizeMode.Stretch;
 

tests/ImageSharp.Tests/Processing/Transforms/RotateFlipTests.cs

@@ -11,26 +11,26 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
     public class RotateFlipTests : BaseImageOperationsExtensionTest
     {
         [Theory]
-        [InlineData(RotateType.None, FlipType.None, 0)]
-        [InlineData(RotateType.Rotate90, FlipType.None, 90)]
-        [InlineData(RotateType.Rotate180, FlipType.None, 180)]
-        [InlineData(RotateType.Rotate270, FlipType.None, 270)]
-        [InlineData(RotateType.None, FlipType.Horizontal, 0)]
-        [InlineData(RotateType.Rotate90, FlipType.Horizontal, 90)]
-        [InlineData(RotateType.Rotate180, FlipType.Horizontal, 180)]
-        [InlineData(RotateType.Rotate270, FlipType.Horizontal, 270)]
-        [InlineData(RotateType.None, FlipType.Vertical, 0)]
-        [InlineData(RotateType.Rotate90, FlipType.Vertical, 90)]
-        [InlineData(RotateType.Rotate180, FlipType.Vertical, 180)]
-        [InlineData(RotateType.Rotate270, FlipType.Vertical, 270)]
-        public void RotateDegreesFloatRotateProcessorWithAnglesSet(RotateType angle, FlipType flip, float expectedAngle)
+        [InlineData(RotateMode.None, FlipMode.None, 0)]
+        [InlineData(RotateMode.Rotate90, FlipMode.None, 90)]
+        [InlineData(RotateMode.Rotate180, FlipMode.None, 180)]
+        [InlineData(RotateMode.Rotate270, FlipMode.None, 270)]
+        [InlineData(RotateMode.None, FlipMode.Horizontal, 0)]
+        [InlineData(RotateMode.Rotate90, FlipMode.Horizontal, 90)]
+        [InlineData(RotateMode.Rotate180, FlipMode.Horizontal, 180)]
+        [InlineData(RotateMode.Rotate270, FlipMode.Horizontal, 270)]
+        [InlineData(RotateMode.None, FlipMode.Vertical, 0)]
+        [InlineData(RotateMode.Rotate90, FlipMode.Vertical, 90)]
+        [InlineData(RotateMode.Rotate180, FlipMode.Vertical, 180)]
+        [InlineData(RotateMode.Rotate270, FlipMode.Vertical, 270)]
+        public void RotateDegreesFloatRotateProcessorWithAnglesSet(RotateMode angle, FlipMode flip, float expectedAngle)
         {
             this.operations.RotateFlip(angle, flip);
             RotateProcessor<Rgba32> rotateProcessor = this.Verify<RotateProcessor<Rgba32>>(0);
             FlipProcessor<Rgba32> flipProcessor = this.Verify<FlipProcessor<Rgba32>>(1);
 
             Assert.Equal(expectedAngle, rotateProcessor.Degrees);
-            Assert.Equal(flip, flipProcessor.FlipType);
+            Assert.Equal(flip, flipProcessor.FlipMode);
         }
     }
 }

tests/ImageSharp.Tests/Processing/Transforms/RotateTests.cs

@@ -25,11 +25,11 @@ namespace SixLabors.ImageSharp.Tests.Processing.Transforms
         }
 
         [Theory]
-        [InlineData(RotateType.None, 0)]
-        [InlineData(RotateType.Rotate90, 90)]
-        [InlineData(RotateType.Rotate180, 180)]
-        [InlineData(RotateType.Rotate270, 270)]
-        public void RotateRotateTypeRotateProcessorWithAnglesConvertedFromEnum(RotateType angle, float expectedAngle)
+        [InlineData(RotateMode.None, 0)]
+        [InlineData(RotateMode.Rotate90, 90)]
+        [InlineData(RotateMode.Rotate180, 180)]
+        [InlineData(RotateMode.Rotate270, 270)]
+        public void RotateRotateTypeRotateProcessorWithAnglesConvertedFromEnum(RotateMode angle, float expectedAngle)
         {
             this.operations.Rotate(angle); // is this api needed ???
             RotateProcessor<Rgba32> processor = this.Verify<RotateProcessor<Rgba32>>();