Scanned document is not rendered with the new engine

VS 2022 designer exception when PdfViewer is dragged and dropped from the toolbox.

From PDF Specification: "The value of the field dictionary’s Ff entry is an unsigned 32-bit integer containing flags specifying various characteristics of the field. Bit positions within the flag word are numbered from 1 (low-order) to 32 (high-order)."

Field flags common to all field types: ReadOnly, Required, NoExport.

The Field textbox is too large when the field height is limited and the text is not visible when one is typing.

Handle the cases when the page is rendered slowly and the document appears empty

The PdfViewer has slow performance when rendering images that have large size but are scaled down.

An invalid certificate is not imported correctly and causes exception on export. We should be able to handle this and skip the import without breaking the file. 

Implement editor functionalities like add, edit or delete content.

When rendering PDF file with a TrueType font and Unicode platform Id (platformId: 0), glyphs are not obtained from CMAP table and are displayed with default rectangle placeholders.

The leak is reproducible when printing documents without UI and results in multiple instances of DocumentPrintPresenter kept alive in the memory.

This type of dictionary allows users to specify files and define different files for different systems or platforms.

The image quality is poor when rendering large images.

PDFViewer crashes, when used on a tablet, Text selection is activated and text is selected in Touch mode.

Allow passing specific pages (e.g. "1, 4, 6") and more than one page range (e.g. "1-3, 6-7") to the print dialog`s Pages page range.

A rectangle is rendered as a solid rectangle instead of a rectangle with no fill.

Dialog for inputting the password should be implemented in order to be able to decrypt the file content.

Currently, a NotSupportedException is thrown and handled internally. As a result, the image is missing from the page content.

When the Textbox` text alignment is set to top (multiline) left when entering in edit mode the alignment is changing to center-left (check the attached record.gif).

It is actually checked and only the appearance is wrong. When the file is saved the checkboxes states are as expected.

This behavior is observed with PdfImportSettings.ReadOnDemand setting only.