Stencil color has to be preserved for images with ImageSource when ImageMask property set to true. Not preserving it results in wrong colors (for instance the image may be visualized as a black rectangle).

Available in R1 2019 Official Release Version.

The tj operator is responsible for drawing text content. When such operator is left empty, the import throws NullReferenceException because of the missing operands.

Available in LIB Version 2018.3.1022.

This operator modifies the current clipping path by intersecting it with the current path, using the even-odd rule to determine which regions lie inside the clipping path.

Available in R3 2018 SP1 release.

 This is content stream operator that is used to close, fill and then stroke a PDF path geometry.

Available in R3 2018 SP1 release.

This type of fields is currently not supported: https://feedback.telerik.com/Project/184/Feedback/Details/249205 . However, the fields can be skipped and the other content can be imported without throwing an exception.

Fix available in R3 2018 SP1 release.

When the string contained in a PdfHexString instance is empty, invoking ToString() leads to IndexOutOfRangeException.

Available in R3 2018 SP1 release version.

A font descriptor can be used by several fonts. However, when first a TrueType font is imported, later trying to import a Cid font leads to InvalidCastException with the message: "Unable to cast object of type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Elements.Fonts.FontDescriptor' to type 'Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Model.Elements.Fonts.CidFontDescriptor'."

Fix available in R3 2018 SP1 release.

CMYK color may be set using SCN, scn, K and k operators.

Available support for import of CMYK colors in R3 2018 Official Release.

In this case, we should use a default alpha source value which is the opacity source.

The signature field preserves information about the time of signing through the TimeOfSigning property of Signature.Properties. However, the DateTime object doesn't keep info about the time zone the document has been signed in. Some customers need to obtain this information.

While signing a document in Adobe Reader, the users can lock the document fields from editing. Expose a similar functionality.

The feature is described by the FieldMDP transform method, described on page 736 from the Pdf Reference 1.7

This happens only in cases when the Radio flag is not set and there are multiple widgets with different "ON" state names.

For details: https://www.adobe.com/devnet-docs/acrobatetk/tools/DigSig/Acrobat_DigitalSignatures_in_PDF.pdf

This feature is a must have for every business or enterprise!



Available in R2 2017 Release

Add ability to create, import and modify layers (optional content) in a PDF document.

The exception is reproduced only with specific custom fonts and is thrown by the ComputeSubset() method of the GlyphTypeface class with the following message: "file does not conform to the expected file format specification". However, we can handle the exception and export the font data using the base class.

Fix available in LIB Version 2018.2.828.

The exception is thrown by System.Linq.Enumerable.Max method during the CidSet calculations.

Fix available in LIB Version 2018.2.730.

Usually, the entries are on neighboring rows. However, some producers introduce some extra blank rows between entries and this causes exception in RadPdfProcessing implementation.

Fix available in LIB Version 2018.2.625.

Importing document containing content with DeviceN color space causes System.InvalidCastException when the color components contain integer values

Fix available in R2 2018 SP1 release version.

The  FunctionType property is required according to PDF specification and we should always export it.

Fix available in R2 2018 SP1 release version.

Currently, a default constant value is used for the font size in this scenario.