Merge branch 'pgm-support' of https://github.com/ynse01/ImageSharp into pgm-support

src/ImageSharp/Formats/Jpeg/JpegDecoder.cs

@@ -42,7 +42,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg
 
         /// <inheritdoc />
         public async Task<Image> DecodeAsync(Configuration configuration, Stream stream, CancellationToken cancellationToken)
-            => await this.DecodeAsync<Rgba32>(configuration, stream, cancellationToken)
+            => await this.DecodeAsync<Rgb24>(configuration, stream, cancellationToken)
             .ConfigureAwait(false);
 
         /// <inheritdoc/>

tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.cs

@@ -93,6 +93,14 @@ namespace SixLabors.ImageSharp.Tests.Formats.Jpg
             Assert.IsType<Image<Rgb24>>(image);
         }
 
+        [Fact]
+        public async Task DecodeAsync_NonGeneric_CreatesRgb24Image()
+        {
+            string file = Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, TestImages.Jpeg.Baseline.Jpeg420Small);
+            using Image image = await Image.LoadAsync(file);
+            Assert.IsType<Image<Rgb24>>(image);
+        }
+
         [Theory]
         [WithFile(TestImages.Jpeg.Baseline.Calliphora, CommonNonDefaultPixelTypes)]
         public void JpegDecoder_IsNotBoundToSinglePixelType<TPixel>(TestImageProvider<TPixel> provider)