Fix focus point.

backend/src/Squidex.Infrastructure/Assets/ImageSharp/ImageSharpAssetThumbnailGenerator.cs

@@ -11,7 +11,6 @@ using System.Threading.Tasks;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.Formats.Jpeg;
 using SixLabors.ImageSharp.Processing;
-using SixLabors.Primitives;
 using ISResizeMode = SixLabors.ImageSharp.Processing.ResizeMode;
 using ISResizeOptions = SixLabors.ImageSharp.Processing.ResizeOptions;
 
@@ -39,7 +38,7 @@ namespace Squidex.Infrastructure.Assets.ImageSharp
                 {
                     var encoder = Configuration.Default.ImageFormatsManager.FindEncoder(format);
 
-                    if (options.Quality.HasValue)
+                    if (options.Quality.HasValue && (encoder is JpegEncoder || !options.KeepFormat))
                     {
                         encoder = new JpegEncoder { Quality = options.Quality.Value };
                     }
@@ -72,11 +71,10 @@ namespace Squidex.Infrastructure.Assets.ImageSharp
 
                         if (options.FocusX.HasValue && options.FocusY.HasValue)
                         {
-                            resizeOptions.CenterCoordinates = new float[]
-                            {
+                            resizeOptions.CenterCoordinates = new PointF(
                                 +(options.FocusX.Value / 2f) + 0.5f,
-                                -(options.FocusX.Value / 2f) + 0.5f
-                            };
+                                -(options.FocusY.Value / 2f) + 0.5f
+                            );
                         }
 
                         sourceImage.Mutate(x => x.Resize(resizeOptions));

backend/src/Squidex.Infrastructure/Assets/ResizeOptions.cs

@@ -23,6 +23,8 @@ namespace Squidex.Infrastructure.Assets
 
         public float? FocusY { get; set; }
 
+        public bool KeepFormat { get; set; }
+
         public bool IsValid
         {
             get { return Width > 0 || Height > 0 || Quality > 0; }

backend/src/Squidex.Infrastructure/Squidex.Infrastructure.csproj

@@ -31,7 +31,7 @@
     <PackageReference Include="NJsonSchema" Version="10.1.18" />
     <PackageReference Include="NodaTime" Version="3.0.0" />
     <PackageReference Include="RefactoringEssentials" Version="5.6.0" PrivateAssets="all" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="1.0.0-beta0007" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="1.0.0-rc0003" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" PrivateAssets="all" />
     <PackageReference Include="System.Collections.Immutable" Version="1.7.1" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="4.7.0" />

backend/src/Squidex/Areas/Api/Controllers/Assets/Models/AssetContentQueryDto.cs

@@ -75,6 +75,12 @@ namespace Squidex.Areas.Api.Controllers.Assets.Models
         [FromQuery(Name = "nofocus")]
         public bool IgnoreFocus { get; set; }
 
+        /// <summary>
+        /// True to not use JPEG encoding when quality is set and the image is not a JPEG. Default: false.
+        /// </summary>
+        [FromQuery(Name = "keepformat")]
+        public bool KeepFormat { get; set; }
+
         /// <summary>
         /// True to force a new resize even if it already stored.
         /// </summary>