Setting a filter on a mask results in an invalid file when exporting. 

Workaround: Set the filer like this:

PdfFormatProvider provider = new PdfFormatProvider();
provider.ExportSettings.ImageCompression = new ImageFilterTypes[] { ImageFilterTypes.FlateDecode };

When using an ImageSharp version bigger than 2.0 an exception is thrown: "MissingMethodException: 'Method not found: 'SixLabors.ImageSharp.Image SixLabors.ImageSharp.Image.Load(Byte[], SixLabors.ImageSharp.Formats.IImageFormat ByRef)'."

Workaround: Downgrade to a lower ImageSharp version or use a custom implementation of ImagePropertiesResolverBase/JpegImageConverter.

When the indirect object contains more spaces between the object number and the generation number the object content is not successfully parsed.

Expected: one space

Actual: more than one space

Hi there,

I've been researching how to use Telerik PDFProcessing to Digitally Sign a PDF. But can't find any documentation on how to incorporate it into ASP.Net AJAX (VB).

IOException when an object in the cross-reference stream has a negative offset.

"System.IO.IOException: An attempt was made to move the file pointer before the beginning of the file."

When a document contains Type1 font without Private Dict in some cases the glyphs are not rendered as expected.

I'm trying to use the PdfFormatProvider to import a pdf. I've tried to import multiple different pdfs with the code below, but they all throw an exception with "System.InvalidOperationException: 'Import not supported.'" and no other info. Is this a bug or am I not calling the correct method to import a pdf?

var providerPDF = new Telerik.Windows.Documents.Flow.FormatProviders.Pdf.PdfFormatProvider();
providerPDF.Import(File.ReadAllBytes(@"D:\TestDocs\TestImage.pdf"));