Use QoiSharpNoGC on .NET 8.0

src/PixiParser.Skia/Encoders/QoiEncoder.Net8.cs

@@ -0,0 +1,35 @@
+#if NET8_0
+using System;
+using QoiSharpNoGC;
+using QoiSharpNoGC.Codec;
+using SkiaSharp;
+
+namespace PixiEditor.Parser.Skia.Encoders;
+
+public class QoiEncoder : ImageEncoder
+{
+    public override string EncodedFormatName { get; } = "QOI";
+
+    public override byte[] Encode(byte[] rawBitmap, int width, int height, bool isSrgb) =>
+        QoiSharpNoGC.QoiEncoder.Encode(
+            new QoiImage(rawBitmap, width, height, Channels.RgbWithAlpha, isSrgb ? ColorSpace.SRgb : ColorSpace.Linear));
+
+    public override byte[] Decode(byte[] encodedData, out SKImageInfo info)
+    {
+        var qoiImage = QoiDecoder.Decode(encodedData);
+
+        var colorSpace = qoiImage.ColorSpace switch
+        {
+            ColorSpace.SRgb => SKColorSpace.CreateSrgb(),
+            ColorSpace.Linear => SKColorSpace.CreateSrgbLinear(),
+            _ => throw new IndexOutOfRangeException($"QOI color space '{qoiImage.ColorSpace}' is not supported.")
+        };
+
+        info = new SKImageInfo(qoiImage.Width, qoiImage.Height, SKColorType.Rgba8888, SKAlphaType.Premul, colorSpace);
+
+        return qoiImage.Data;
+    }
+
+    public override byte[] Decode(Span<byte> encodedData, out SKImageInfo info) => Decode(encodedData.ToArray(), out info);
+}
+#endif

src/PixiParser.Skia/Encoders/QoiEncoder.cs → src/PixiParser.Skia/Encoders/QoiEncoder.Netstandard.cs

@@ -1,4 +1,5 @@
-using System;
+#if NETSTANDARD
+using System;
 using Qoi.NetStandard;
 using SkiaSharp;
 
@@ -24,3 +25,4 @@ public override byte[] Decode(byte[] encodedData, out SKImageInfo info)
 
     public override byte[] Decode(Span<byte> encodedData, out SKImageInfo info) => Decode(encodedData.ToArray(), out info);
 }
+#endif

src/PixiParser.Skia/PixiParser.Skia.csproj

@@ -24,6 +24,13 @@
 
   <ItemGroup>
     <PackageReference Include="SkiaSharp" Version="3.118.0-preview.1.2" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
+    <PackageReference Include="QoiSharpNoGC" Version="1.0.1" />
+  </ItemGroup>
+
+  <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
     <PackageReference Include="Qoi.NetStandard" Version="1.0.0" />
   </ItemGroup>