A rubber stamp annotation displays text or graphics intended to look as if they were stamped on the page with a rubber stamp. When opened, it displays a pop-up window containing the text of the associated note.

This usually results in a single colored rectangle instead of a gradient filled rectangle.

Available in R1 2018 SP2 release version.

Currently, we have reproduced this issue with fonts AmnestyTradeGothic, OfficinaSanITC and OfficinaSanITC-Book.

The default WPF PrintDialog cannot print asynchronously when it is shown in UI. However, you may see the demo in this forum post showing how to create custom PrintDialog and perform async printing with it:
http://www.telerik.com/forums/pdfviewer-print-makes-ui-unresponsive#js0YdzFWc0Oa8C3g6a18lg

The issue occurs when RadPdfViewer is measured in infinite space, for example:
- Added to StackPanel.
- Added to RadWindow with Auto dimensions.

Workaround: Width and Height of RadPdfViewer can be set.

This item is "Declined" because it is merged with another feedback item. Instead, you may follow this item:

https://feedback.telerik.com/Project/143/Feedback/Details/155077-pdfviewer-text-is-displayed-as-rectangles-for-some-truetype-fonts

The fix will be available in our official release 2015 Q2. 

Currently, when printing landscape pages the content is rotated clockwise. There has to be an option to set it to anti-clockwise.

This may allow someone to notify the users.

Using this API the some may turn the busy indicator.

When having Pdf with SimpleFont that does uses glyphs with missing width their width is calculated as zero due to wrong integer calculations.

The issue is reproducible only for some specific font files. The characters are displayed as rectangles. This seems to caused by incorrect glyph name and glyph id mapping.

The fix will be available in our official release Q2 2015 SP.

The fix will be available in our next LIB release (v. 2015.02.0706).

Available in R2 2017 Release

The ActionsManager.ExecuteUri method throws exception when tries to open relative Uri. As the exception is caught, with the current state no action is observed when interacting with such link in RadPdfViewer.

The fix will be available in our official release Q2 2016.

When a PDF document contains images compressed with CCITTFaxDecode with applied BlackIs1 parameter, black color is visualized as white and white as black.

The feature  will be available in our official release 2015 Q2.