Duplicate PngCompressionLevel as DeflateCompressionLevel, mark PngCompressionLevel as EditorBrowsableState.Never

src/ImageSharp/Compression/DeflateCompressionLevel.cs

@@ -0,0 +1,81 @@
+// Copyright (c) Six Labors.
+// Licensed under the Apache License, Version 2.0.
+
+namespace SixLabors.ImageSharp.Compression
+{
+    /// <summary>
+    /// Provides enumeration of available deflate compression levels.
+    /// </summary>
+    public enum DeflateCompressionLevel
+    {
+        /// <summary>
+        /// Level 0. Equivalent to <see cref="NoCompression"/>.
+        /// </summary>
+        Level0 = 0,
+
+        /// <summary>
+        /// No compression. Equivalent to <see cref="Level0"/>.
+        /// </summary>
+        NoCompression = Level0,
+
+        /// <summary>
+        /// Level 1. Equivalent to <see cref="BestSpeed"/>.
+        /// </summary>
+        Level1 = 1,
+
+        /// <summary>
+        /// Best speed compression level.
+        /// </summary>
+        BestSpeed = Level1,
+
+        /// <summary>
+        /// Level 2.
+        /// </summary>
+        Level2 = 2,
+
+        /// <summary>
+        /// Level 3.
+        /// </summary>
+        Level3 = 3,
+
+        /// <summary>
+        /// Level 4.
+        /// </summary>
+        Level4 = 4,
+
+        /// <summary>
+        /// Level 5.
+        /// </summary>
+        Level5 = 5,
+
+        /// <summary>
+        /// Level 6. Equivalent to <see cref="DefaultCompression"/>.
+        /// </summary>
+        Level6 = 6,
+
+        /// <summary>
+        /// The default compression level. Equivalent to <see cref="Level6"/>.
+        /// </summary>
+        DefaultCompression = Level6,
+
+        /// <summary>
+        /// Level 7.
+        /// </summary>
+        Level7 = 7,
+
+        /// <summary>
+        /// Level 8.
+        /// </summary>
+        Level8 = 8,
+
+        /// <summary>
+        /// Level 9. Equivalent to <see cref="BestCompression"/>.
+        /// </summary>
+        Level9 = 9,
+
+        /// <summary>
+        /// Best compression level. Equivalent to <see cref="Level9"/>.
+        /// </summary>
+        BestCompression = Level9,
+    }
+}

src/ImageSharp/Formats/Png/PngCompressionLevel.cs

@@ -1,11 +1,14 @@
 // Copyright (c) Six Labors.
 // Licensed under the Apache License, Version 2.0.
 
+using System.ComponentModel;
+
 namespace SixLabors.ImageSharp.Formats.Png
 {
     /// <summary>
     /// Provides enumeration of available PNG compression levels.
     /// </summary>
+    [EditorBrowsable(EditorBrowsableState.Never)]
     public enum PngCompressionLevel
     {
         /// <summary>

src/ImageSharp/Formats/Tiff/ITiffEncoderOptions.cs

@@ -1,7 +1,7 @@
 // Copyright (c) Six Labors.
 // Licensed under the Apache License, Version 2.0.
 
-using SixLabors.ImageSharp.Formats.Png;
+using SixLabors.ImageSharp.Compression;
 using SixLabors.ImageSharp.Processing.Processors.Quantization;
 
 namespace SixLabors.ImageSharp.Formats.Experimental.Tiff

src/ImageSharp/Formats/Tiff/TiffEncoder.cs

@@ -6,7 +6,7 @@ using System.Threading;
 using System.Threading.Tasks;
 
 using SixLabors.ImageSharp.Advanced;
-using SixLabors.ImageSharp.Formats.Png;
+using SixLabors.ImageSharp.Compression;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing.Processors.Quantization;
 

src/ImageSharp/Formats/Tiff/TiffEncoderCore.cs

@@ -7,9 +7,9 @@ using System.IO;
 using System.Threading;
 
 using SixLabors.ImageSharp.Advanced;
+using SixLabors.ImageSharp.Compression;
 using SixLabors.ImageSharp.Formats.Experimental.Tiff.Constants;
 using SixLabors.ImageSharp.Formats.Experimental.Tiff.Utils;
-using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.Metadata;
 using SixLabors.ImageSharp.Metadata.Profiles.Exif;

src/ImageSharp/Formats/Tiff/Utils/TiffWriter.cs

@@ -4,10 +4,10 @@
 using System;
 using System.Buffers;
 using System.IO;
-using System.Runtime.InteropServices;
 
+using System.Runtime.InteropServices;
+using SixLabors.ImageSharp.Compression;
 using SixLabors.ImageSharp.Formats.Experimental.Tiff.Compression;
-using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Formats.Png.Zlib;
 using SixLabors.ImageSharp.Formats.Tiff.Compression;
 using SixLabors.ImageSharp.Memory;

tests/ImageSharp.Tests/Formats/Tiff/Compression/DeflateTiffCompressionTests.cs

@@ -2,6 +2,7 @@
 // Licensed under the Apache License, Version 2.0.
 
 using System.IO;
+using SixLabors.ImageSharp.Compression;
 using SixLabors.ImageSharp.Formats.Experimental.Tiff.Compression;
 using SixLabors.ImageSharp.Formats.Experimental.Tiff.Constants;
 using SixLabors.ImageSharp.Formats.Png.Zlib;
@@ -35,7 +36,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Tiff.Compression
             Stream compressedStream = new MemoryStream();
 
             using (Stream uncompressedStream = new MemoryStream(data),
-                          deflateStream = new ZlibDeflateStream(Configuration.Default.MemoryAllocator, compressedStream, ImageSharp.Formats.Png.DeflateCompressionLevel.Level6))
+                          deflateStream = new ZlibDeflateStream(Configuration.Default.MemoryAllocator, compressedStream, DeflateCompressionLevel.Level6))
             {
                 uncompressedStream.CopyTo(deflateStream);
             }