Updated example to use MagickFormatInfo.Create instead of TryGetImageFormat.

Author: dlemstra

PdfProcessing/CustomJpegImageConverter/CustomJpegImageConverter.cs

@@ -10,17 +10,15 @@ internal class CustomJpegImageConverter : JpegImageConverterBase
  {
  public override bool TryConvertToJpegImageData(byte[] imageData, ImageQuality imageQuality, out byte[] jpegImageData)
  {
- string[] magickImageFormats = Enum.GetNames(typeof(MagickFormat)).Select(x => x.ToLower()).ToArray();
- string imageFormat;
- if (this.TryGetImageFormat(imageData, out imageFormat) && magickImageFormats.Contains(imageFormat.ToLower()))
+ MagickFormatInfo formatInfo = MagickFormatInfo.Create(imageData);
+ if (formatInfo != null && formatInfo.IsReadable)
  {
  using (MagickImage magickImage = new MagickImage(imageData))
  {
- magickImage.Format = MagickFormat.Jpeg;
  magickImage.Alpha(AlphaOption.Remove);
  magickImage.Quality = (int)imageQuality;
 
- jpegImageData = magickImage.ToByteArray();
+ jpegImageData = magickImage.ToByteArray(MagickFormat.Jpeg);
  }
 
  return true;

PdfProcessing/CustomJpegImageConverter/CustomJpegImageConverter_NetStandard.csproj

@@ -19,7 +19,7 @@
  </Content>
  </ItemGroup>
  <ItemGroup>
- <PackageReference Include="Magick.NET-Q16-AnyCPU" Version="7.22.1" />
+ <PackageReference Include="Magick.NET-Q16-AnyCPU" Version="10.0.0" />
  <PackageReference Include="System.Drawing.Common" Version="4.7.0" />
  </ItemGroup>
  <ItemGroup>