Edit this page

Unsupported features

The unsupported features include:

  • Type3 fonts;

  • Almost all fonts that are embedded in the PDF file should be displayed correctly. There are minimal limitations with some font formats;

  • There are some limitations with CCITTFaxDecode filter;

  • Lab, ICCBased color spaces;

  • Encrypted documents when a non-standard encryption method is used, or the document is password-protected;

  • JPXDecode filters. We have provided API to plug-in custom user-defined filters, but the filters do not work out of the box;

  • Annotations - of all annotations, only link is supported;

  • Structured content: There are several ways to define structured content in a PDF file. RadPdfViewer does not support document outline and article threads. The interactive forms are currently read-only.

When a PDF file contains some of these items, it may be shown incorrectly or not shown at all.

When a PDF file contains some of these items, it may be shown incorrectly or not shown at all.

See Also