Add support for ICC conversion to WEBP

src/ImageSharp/Formats/Webp/WebpDecoderCore.cs

@@ -122,6 +122,7 @@ internal sealed class WebpDecoderCore : ImageDecoderCore, IDisposable
                     this.ParseOptionalChunks(stream, metadata, this.webImageInfo.Features, buffer);
                 }
 
+                _ = this.TryConvertIccProfile(image);
                 return image;
             }
         }

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

@@ -5,6 +5,7 @@ using System.Runtime.Intrinsics.X86;
 using Microsoft.DotNet.RemoteExecutor;
 using SixLabors.ImageSharp.Formats;
 using SixLabors.ImageSharp.Formats.Png;
+using SixLabors.ImageSharp.Formats.Webp;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Tests.TestUtilities;

tests/ImageSharp.Tests/Formats/WebP/WebpDecoderTests.cs

@@ -3,6 +3,7 @@
 
 using System.Runtime.Intrinsics.X86;
 using SixLabors.ImageSharp.Formats;
+using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Formats.Webp;
 using SixLabors.ImageSharp.Metadata;
 using SixLabors.ImageSharp.Metadata.Profiles.Exif;
@@ -608,4 +609,17 @@ public class WebpDecoderTests
         image.DebugSave(provider);
         image.CompareToOriginal(provider, ReferenceDecoder);
     }
+
+    [Theory]
+    [WithFile(Icc.Perceptual, PixelTypes.Rgba32)]
+    [WithFile(Icc.PerceptualcLUTOnly, PixelTypes.Rgba32)]
+    public void Decode_WhenColorProfileHandlingIsConvert_ApplyIccProfile<TPixel>(TestImageProvider<TPixel> provider)
+    where TPixel : unmanaged, IPixel<TPixel>
+    {
+        using Image<TPixel> image = provider.GetImage(WebpDecoder.Instance, new DecoderOptions { ColorProfileHandling = ColorProfileHandling.Convert });
+
+        image.DebugSave(provider);
+        image.CompareToReferenceOutput(provider);
+        Assert.Null(image.Metadata.IccProfile);
+    }
 }

tests/ImageSharp.Tests/TestImages.cs

@@ -901,6 +901,12 @@ public static class TestImages
         public const string AlphaBlend2 = "Webp/alpha-blend-2.webp";
         public const string AlphaBlend3 = "Webp/alpha-blend-3.webp";
         public const string AlphaBlend4 = "Webp/alpha-blend-4.webp";
+
+        public static class Icc
+        {
+            public const string Perceptual = "Webp/icc-profiles/Perceptual.webp";
+            public const string PerceptualcLUTOnly = "Webp/icc-profiles/Perceptual-cLUT-only.webp";
+        }
     }
 
     public static class Tiff

tests/Images/External/ReferenceOutput/WebpDecoderTests/Decode_WhenColorProfileHandlingIsConvert_ApplyIccProfile_Rgba32_Perceptual-cLUT-only.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a2cbd483eed31cf7b410ef1ee45ae78e77b36e5b9c31f87764a1dfdb9c4e5c8
+size 79768

tests/Images/External/ReferenceOutput/WebpDecoderTests/Decode_WhenColorProfileHandlingIsConvert_ApplyIccProfile_Rgba32_Perceptual.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:547f3ddb5bdb3a3cb5c87440b65728be295c2b5f3c10a1b0b44299bb3d80e8d7
+size 79651

tests/Images/Input/Webp/icc-profiles/Perceptual-cLUT-only.webp

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7b7ef9eedd1b2a4b93f11ac52807c071f7d0a24513008c3e69b0d4a0fd9b70db
+size 186596

tests/Images/Input/Webp/icc-profiles/Perceptual.webp

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aad13221b103b60c21a19e7ecfbab047404f25269485d26fc5dee4be11188865
+size 189800