Move ZLib related classes from PNG folder to ImageSharp/Compression folder

src/ImageSharp/Formats/Png/Zlib/Adler32.cs → src/ImageSharp/Compression/Zlib/Adler32.cs

@@ -9,7 +9,7 @@ using System.Runtime.Intrinsics.X86;
 #endif
 
 #pragma warning disable IDE0007 // Use implicit type
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// Calculates the 32 bit Adler checksum of a given buffer according to

src/ImageSharp/Formats/Png/Zlib/Crc32.Lut.cs → src/ImageSharp/Compression/Zlib/Crc32.Lut.cs

@@ -1,7 +1,7 @@
 // Copyright (c) Six Labors.
 // Licensed under the Apache License, Version 2.0.
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <content>
     /// Contains precalulated tables for scalar calculations.

src/ImageSharp/Formats/Png/Zlib/Crc32.cs → src/ImageSharp/Compression/Zlib/Crc32.cs

@@ -9,7 +9,7 @@ using System.Runtime.Intrinsics;
 using System.Runtime.Intrinsics.X86;
 #endif
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// Calculates the 32 bit Cyclic Redundancy Check (CRC) checksum of a given buffer

src/ImageSharp/Compression/DeflateCompressionLevel.cs → src/ImageSharp/Compression/Zlib/DeflateCompressionLevel.cs

@@ -1,7 +1,7 @@
 // Copyright (c) Six Labors.
 // Licensed under the Apache License, Version 2.0.
 
-namespace SixLabors.ImageSharp.Compression
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// Provides enumeration of available deflate compression levels.

src/ImageSharp/Formats/Png/Zlib/DeflateThrowHelper.cs → src/ImageSharp/Compression/Zlib/DeflateThrowHelper.cs

@@ -4,7 +4,7 @@
 using System;
 using System.Runtime.CompilerServices;
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     internal static class DeflateThrowHelper
     {

src/ImageSharp/Formats/Png/Zlib/Deflater.cs → src/ImageSharp/Compression/Zlib/Deflater.cs

@@ -5,7 +5,7 @@ using System;
 using System.Runtime.CompilerServices;
 using SixLabors.ImageSharp.Memory;
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// This class compresses input with the deflate algorithm described in RFC 1951.

src/ImageSharp/Formats/Png/Zlib/DeflaterConstants.cs → src/ImageSharp/Compression/Zlib/DeflaterConstants.cs

@@ -4,7 +4,7 @@
 // <auto-generated/>
 using System;
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// This class contains constants used for deflation.

src/ImageSharp/Formats/Png/Zlib/DeflaterEngine.cs → src/ImageSharp/Compression/Zlib/DeflaterEngine.cs

@@ -6,7 +6,7 @@ using System.Buffers;
 using System.Runtime.CompilerServices;
 using SixLabors.ImageSharp.Memory;
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// Strategies for deflater

src/ImageSharp/Formats/Png/Zlib/DeflaterHuffman.cs → src/ImageSharp/Compression/Zlib/DeflaterHuffman.cs

@@ -7,7 +7,7 @@ using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using SixLabors.ImageSharp.Memory;
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// Performs Deflate Huffman encoding.

src/ImageSharp/Formats/Png/Zlib/DeflaterOutputStream.cs → src/ImageSharp/Compression/Zlib/DeflaterOutputStream.cs

@@ -5,7 +5,7 @@ using System;
 using System.IO;
 using SixLabors.ImageSharp.Memory;
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// A special stream deflating or compressing the bytes that are

src/ImageSharp/Formats/Png/Zlib/DeflaterPendingBuffer.cs → src/ImageSharp/Compression/Zlib/DeflaterPendingBuffer.cs

@@ -6,7 +6,7 @@ using System.Buffers;
 using System.Runtime.CompilerServices;
 using SixLabors.ImageSharp.Memory;
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// Stores pending data for writing data to the Deflater.

src/ImageSharp/Formats/Png/Zlib/ZlibDeflateStream.cs → src/ImageSharp/Compression/Zlib/ZlibDeflateStream.cs

@@ -4,10 +4,10 @@
 using System;
 using System.IO;
 using System.Runtime.CompilerServices;
-using SixLabors.ImageSharp.Compression;
+using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Memory;
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// Provides methods and properties for compressing streams by using the Zlib Deflate algorithm.

src/ImageSharp/Formats/Png/Zlib/ZlibInflateStream.cs → src/ImageSharp/Compression/Zlib/ZlibInflateStream.cs

@@ -6,7 +6,7 @@ using System.IO;
 using System.IO.Compression;
 using SixLabors.ImageSharp.IO;
 
-namespace SixLabors.ImageSharp.Formats.Png.Zlib
+namespace SixLabors.ImageSharp.Compression.Zlib
 {
     /// <summary>
     /// Provides methods and properties for deframing streams from PNGs.

src/ImageSharp/Formats/Png/PngDecoderCore.cs

@@ -10,10 +10,9 @@ using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading;
-using System.Threading.Tasks;
+using SixLabors.ImageSharp.Compression.Zlib;
 using SixLabors.ImageSharp.Formats.Png.Chunks;
 using SixLabors.ImageSharp.Formats.Png.Filters;
-using SixLabors.ImageSharp.Formats.Png.Zlib;
 using SixLabors.ImageSharp.IO;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.Metadata;

src/ImageSharp/Formats/Png/PngEncoderCore.cs

@@ -8,11 +8,9 @@ using System.IO;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Threading;
-using System.Threading.Tasks;
+using SixLabors.ImageSharp.Compression.Zlib;
-using SixLabors.ImageSharp.Advanced;
 using SixLabors.ImageSharp.Formats.Png.Chunks;
 using SixLabors.ImageSharp.Formats.Png.Filters;
-using SixLabors.ImageSharp.Formats.Png.Zlib;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.Metadata;
 using SixLabors.ImageSharp.PixelFormats;

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.Compression;
+using SixLabors.ImageSharp.Compression.Zlib;
 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.Compression;
+using SixLabors.ImageSharp.Compression.Zlib;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing.Processors.Quantization;
 

src/ImageSharp/Formats/Tiff/TiffEncoderCore.cs

@@ -7,7 +7,7 @@ using System.IO;
 using System.Threading;
 
 using SixLabors.ImageSharp.Advanced;
-using SixLabors.ImageSharp.Compression;
+using SixLabors.ImageSharp.Compression.Zlib;
 using SixLabors.ImageSharp.Formats.Experimental.Tiff.Constants;
 using SixLabors.ImageSharp.Formats.Experimental.Tiff.Utils;
 using SixLabors.ImageSharp.Memory;

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

@@ -4,11 +4,10 @@
 using System;
 using System.Buffers;
 using System.IO;
-
 using System.Runtime.InteropServices;
-using SixLabors.ImageSharp.Compression;
+
+using SixLabors.ImageSharp.Compression.Zlib;
 using SixLabors.ImageSharp.Formats.Experimental.Tiff.Compression;
-using SixLabors.ImageSharp.Formats.Png.Zlib;
 using SixLabors.ImageSharp.Formats.Tiff.Compression;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.Metadata.Profiles.Exif;

tests/ImageSharp.Benchmarks/General/Adler32Benchmark.cs

@@ -3,7 +3,7 @@
 
 using System;
 using BenchmarkDotNet.Attributes;
-using SixLabors.ImageSharp.Formats.Png.Zlib;
+using SixLabors.ImageSharp.Compression.Zlib;
 using SharpAdler32 = ICSharpCode.SharpZipLib.Checksum.Adler32;
 
 namespace SixLabors.ImageSharp.Benchmarks.General

tests/ImageSharp.Benchmarks/General/Crc32Benchmark.cs

@@ -3,7 +3,7 @@
 
 using System;
 using BenchmarkDotNet.Attributes;
-using SixLabors.ImageSharp.Formats.Png.Zlib;
+using SixLabors.ImageSharp.Compression.Zlib;
 using SharpCrc32 = ICSharpCode.SharpZipLib.Checksum.Crc32;
 
 namespace SixLabors.ImageSharp.Benchmarks.General

tests/ImageSharp.Tests/Formats/Png/Adler32Tests.cs

@@ -2,7 +2,7 @@
 // Licensed under the Apache License, Version 2.0.
 
 using System;
-using SixLabors.ImageSharp.Formats.Png.Zlib;
+using SixLabors.ImageSharp.Compression.Zlib;
 using Xunit;
 using SharpAdler32 = ICSharpCode.SharpZipLib.Checksum.Adler32;
 

tests/ImageSharp.Tests/Formats/Png/Crc32Tests.cs

@@ -2,7 +2,7 @@
 // Licensed under the Apache License, Version 2.0.
 
 using System;
-using SixLabors.ImageSharp.Formats.Png.Zlib;
+using SixLabors.ImageSharp.Compression.Zlib;
 using Xunit;
 using SharpCrc32 = ICSharpCode.SharpZipLib.Checksum.Crc32;
 

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

@@ -2,10 +2,9 @@
 // Licensed under the Apache License, Version 2.0.
 
 using System.IO;
-using SixLabors.ImageSharp.Compression;
+using SixLabors.ImageSharp.Compression.Zlib;
 using SixLabors.ImageSharp.Formats.Experimental.Tiff.Compression;
 using SixLabors.ImageSharp.Formats.Experimental.Tiff.Constants;
-using SixLabors.ImageSharp.Formats.Png.Zlib;
 using Xunit;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Tiff.Compression