title: TWICImage, how to set jpeg compression quality?
body: <p>I'm using Delphi XE and TWICImage class for image processing. 
  I would like to know if any way to set jpeg compression quality with TWICImage?</p>
  
  <pre><code>procedure TfrmMain.Button2Click(Sender: TObject);
  var
    wic: TWICImage;
  begin
    wic := TWICImage.Create;
    try
      wic.LoadFromFile('sample-BMP.bmp');
      wic.ImageFormat := wifJpeg;
      // ... before saving I want to set low compression quality
      wic.SaveToFile('sample-JPG.jpg');
    finally
      wic.Free;
    end;
  end;
  </code></pre>