DocNET: Replaced ImageSharp by SkiaSharp

Author: usercode

src/ImageWizard.DocNET/Filters/PageToImageFilter.cs

@@ -8,8 +8,7 @@
 using ImageWizard.Attributes;
 using ImageWizard.DocNET.Filters.Base;
 using ImageWizard.Processing.Results;
-using SixLabors.ImageSharp;
-using SixLabors.ImageSharp.PixelFormats;
+using SkiaSharp;
 
 namespace ImageWizard.DocNET.Filters;
 
@@ -29,9 +28,19 @@ public void PageToImage(int pageIndex, int width, int height)
 
         Stream mem = Context.ProcessingContext.StreamPool.GetStream();
 
-        Image<Bgra32> image = Image.LoadPixelData<Bgra32>(pageReader.GetImage(), pageReader.GetPageWidth(), pageReader.GetPageHeight());
+        byte[] pixels = pageReader.GetImage();
 
-        image.SaveAsPng(mem);
+        var info = new SKImageInfo(
+                                pageReader.GetPageWidth(),
+                                pageReader.GetPageHeight(),
+                                SKColorType.Bgra8888,
+                                SKAlphaType.Unpremul);
+
+        using var bitmap = new SKBitmap(info);
+        pixels.AsSpan().CopyTo(bitmap.GetPixelSpan());
+
+        using var data = bitmap.Encode(SKEncodedImageFormat.Png, 100);
+        data.SaveTo(mem);
 
         mem.Seek(0, SeekOrigin.Begin);
 

src/ImageWizard.DocNET/ImageWizard.DocNET.csproj

@@ -4,17 +4,13 @@
 
 	<ItemGroup>
 		<PackageReference Include="Docnet.Core" Version="2.6.0" />
+		<PackageReference Include="SkiaSharp" Version="4.153.1" />
 	</ItemGroup>
 
 	<ItemGroup>
 		<ProjectReference Include="..\ImageWizard.Core\ImageWizard.Core.csproj" />
 	</ItemGroup>
 
-	<ItemGroup>
-		<PackageReference Include="SixLabors.ImageSharp" Version="3.1.12" />
-		<PackageReference Include="SixLabors.ImageSharp.Drawing" Version="2.1.7" />
-	</ItemGroup>
-
 	<ItemGroup>
 		<ProjectReference Include="..\ImageWizard.Generator\ImageWizard.Generator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
 	</ItemGroup>

src/ImageWizard.SkiaSharp/ImageWizardBuilderExtensions.cs

@@ -24,7 +24,7 @@ public static IImageWizardBuilder AddSkiaSharp(this IImageWizardBuilder builder,
         pipelineBuilder.WithFilter<ImageFormatFilter>();
         pipelineBuilder.WithFilter<TextFilter>();
 
-        pipelineBuilder.WithMimeTypes(new[] { MimeTypes.WebP, MimeTypes.Jpeg, MimeTypes.Png, MimeTypes.Gif, MimeTypes.Bmp });
+        pipelineBuilder.WithMimeTypes([MimeTypes.WebP, MimeTypes.Jpeg, MimeTypes.Png, MimeTypes.Gif, MimeTypes.Bmp]);
 
         options?.Invoke(pipelineBuilder);
 

src/ImageWizard.SkiaSharp/SkiaSharpOptions.cs

@@ -9,19 +9,13 @@ namespace ImageWizard.SkiaSharp;
 /// </summary>
 public class SkiaSharpOptions
 {
-    public SkiaSharpOptions()
-    {
-        ImageMaxWidth = 4000;
-        ImageMaxHeight = 4000;
-    }
-
     /// <summary>
     /// ImageMaxWidth
     /// </summary>
-    public int? ImageMaxWidth { get; set; }
+    public int? ImageMaxWidth { get; set; } = 4000;
 
     /// <summary>
     /// ImageMaxHeight
     /// </summary>
-    public int? ImageMaxHeight { get; set; }
+    public int? ImageMaxHeight { get; set; } = 4000;
 }