Unplanned
Last Updated: 23 Jun 2025 07:53 by Vitalii
Handle documents with mismatched font Subtype and FontFile type when exporting PDF to image with SkiaImageFormatProvider.
Unplanned
Last Updated: 20 Jun 2025 08:33 by Michael
Created by: Michael
Comments: 0
Category: PdfProcessing
Type: Bug Report
0
Import-export changes the color of the shading object.
Unplanned
Last Updated: 03 Jun 2025 10:23 by Rey
Add support for "AcroSendMail:SendMail" named action.
Unplanned
Last Updated: 03 Jun 2025 05:57 by Eli
Such a document can be considered as invalid. However, it would be good to provide functionality to handle it.  
Unplanned
Last Updated: 30 May 2025 08:16 by ADMIN
ADMIN
Created by: Martin
Comments: 0
Category: PdfProcessing
Type: Feature Request
0
Part 3 of the standard, published on October 15, 2012, differs from PDF/A-2 in only one regard: it allows embedding of arbitrary file formats (such as XML, CSV, CAD, word-processing documents, spreadsheet documents, and others) into PDF/A conforming documents.
Unplanned
Last Updated: 28 May 2025 07:54 by ADMIN
ADMIN
Created by: Martin
Comments: 0
Category: PdfProcessing
Type: Feature Request
0

Purpose: Long-term archiving of electronic documents with full semantic structure.

  • "A" for Archiving
  • Level "1a" ensures:

    • Tagged PDF (with proper logical structure and reading order)

    • Unicode text for proper text extraction and searchability

    • Embedded fonts (for consistent rendering)

  • Restrictions:

    • No audio/video

    • No encryption

    • No JavaScript

    • No external content (everything must be self-contained)

  • Based on: PDF 1.4 (Acrobat 5)

Unplanned
Last Updated: 27 May 2025 11:03 by Thomas
PdfProcessing: ArgumentException is thrown when importing a document with a duplicated filed names.
Completed
Last Updated: 02 Jul 2025 11:19 by ADMIN
Release 2025.2.701
Wrong clipping order when exporting a document with MarkedContent leads to a missing content.
Unplanned
Last Updated: 09 May 2025 10:23 by Vitalii
Created by: Vitalii
Comments: 0
Category: PdfProcessing
Type: Feature Request
10
A shading dictionary specifies details of a particular gradient fill, including the
type of shading to be used, the geometry of the area to be shaded, and the geometry of the gradient fill. Various shading types are available, depending on the value of the dictionary’s ShadingType entry:
  • Coons patch meshes (type 6) construct a shading from one or more color
    patches, each bounded by four cubic Bézier curves.
Completed
Last Updated: 02 Jul 2025 11:25 by ADMIN
Release 2025.2.701
Unplanned
Last Updated: 08 May 2025 06:36 by Vitalii

Error message: 

System.InvalidCastException: 'Unable to cast object of type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Elements.Forms.FormFieldsTree' to type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfArray'.'
Unplanned
Last Updated: 08 May 2025 06:24 by Vitalii

Error message:

System.InvalidCastException: 'Unable to cast object of type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfArray' to type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Elements.Functions.FunctionObject'.'
Unplanned
Last Updated: 05 May 2025 10:02 by Svitlana
Multiple graphic state objects are lost on import.
Unplanned
Last Updated: 02 May 2025 06:20 by Scott
When importing a document with a missing "endobj" operator, an exception is thrown: InvalidCastException: 'Unable to cast object of type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfInt' to type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.IndirectObject'.'
In Development
Last Updated: 01 Jul 2025 12:52 by ADMIN
InvalidCastException is thrown due to incorrectly parsed stream dictionary.
Completed
Last Updated: 22 May 2025 13:37 by ADMIN
Release 2025.2.520 (2025 Q2)
ArgumentOutOfRangeException is thrown when creating a CapPathRound for an SVG element.
Completed
Last Updated: 22 May 2025 13:37 by ADMIN
Release 2025.2.520 (2025 Q2)
Exporting a specific PDF file generates large amounts of ExtGState entries, which results in large file sizes.
Unplanned
Last Updated: 09 Apr 2025 05:13 by Fabio Videira
When exporting the PDF content to plain text, the form fields and their values are not extracted. It would be nice to have an option to include the content in the form fields as well.
Completed
Last Updated: 22 May 2025 13:37 by ADMIN
Release 2025.2.520 (2025 Q2)
InvalidCastException is thrown when importing a document with an annotation declared in the Fields collection.
Need More Info
Last Updated: 08 Apr 2025 15:10 by ADMIN
Created by: Jason
Comments: 3
Category: PdfProcessing
Type: Bug Report
0

I have a simple program that imports a PDF, calls AcroForm.FlattenFormFields(), and calls Export() on the PdfFormatProvider. I am seeing the following exception during Import() on a signed W9 form a customer has uploaded into our system. Due to the sensitive nature of the document I cannot upload it, but below is the Sig section. I have tried other example signed PDFs which seem to work fine (See attached)

39 0 obj
<< /Type /Annot /Rotate 0 /AP 180 0 R /Rect [ 105.8515 149.2023 289.4443 261.1185
] /Border [ 0 0 0 ] /M (h<D[×¥\001.ƒ¶AB}«\006iÚ¿E@\024_”W±ÔÃ\030ÙL\020"É]a\012Ú6¡0\000¶Žm1@Ž)
/C [ 1 ] /DA (h<D[×¥\001.ƒ¶AB}«\006.\023âø‰\035\005íöu\002ÊÒ½ùwË@—‹måÿڏ[ ‹í!¨\001)
/F 4 /Subtype /Sig >>
endobj

 

Exception

System.NotSupportedException: 'Import of annotation with type Sig is not supported.'

Stack Trace

at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Elements.Annotations.AnnotationFactory.CreateUnsupportedAnnotationObject(PdfName type)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Converters.TypeAwareConverter`1.CreateInstance(Type type, PostScriptReader reader, IPdfImportContext context, PdfDictionary dictionary)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Converters.Converter.ConvertFromDictionary(Type type, PostScriptReader reader, IPdfImportContext context, PdfDictionary dictionary)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Converters.Converter.Convert(Type type, PostScriptReader reader, IPdfImportContext context, IPdfPrimitive value)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Converters.Converter.Convert(Type type, PostScriptReader reader, IPdfImportContext context, IPdfPrimitive value)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfCollectionBase`1.ConvertElementToType[T](PostScriptReader reader, IPdfImportContext context, IPdfPrimitive element)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Types.PdfCollectionBase`1.TryGetElement[T](PostScriptReader reader, IPdfImportContext context, TIndex index, T& element)
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Elements.DocumentStructure.Page.<>c__DisplayClass21_0.<CopyPageAnnotationsTo>b__0()
   at Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.ExceptionHandling.ExecutionHandler.TryHandleExecution[E](Action operation)

 

 

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