Supported and Unsupported Elements in ASP.NET Web Forms PDF Viewer

20 May 20241 minute to read

The supported and un-supported elements of the PDF viewer control are:

Features

Support

Text Yes
Graphical Elements(lines, curves etc.,) Yes

Fonts

Standard Fonts Yes
TrueType Fonts*** Yes
Embedded Fonts(Type 0, Type 1,Type 3) Yes

Image Formats

JPEG Yes
PNG Yes
TIFF Yes
Inline images Yes

Image masking Techniques

Soft Mask Yes
Image Mask Yes

Color space

RGB Yes
CMYK Yes
Gray Yes
ICC Yes
Indexed Yes
CalRGB* Yes
CalGray* Yes
Lab* Yes
Separation* Yes
DeviceN* Yes
Pattern* Yes

Compression Filters

DCTDecode (Image, Content) Yes
CCITTFaxDecode (Image) Yes
FlateDecode (Image, Content) Yes
LZWDecode (Content,Image) Yes
ASCII85Decode (Content, Image) Yes
ASCIIHexDecode (Image) Yes
JBIG2Decode (Image) Yes
RunLengthDecode(Image) Yes
JPXDecode(Image) Yes

Interactive Features

Actions No
Annotations** Yes
Hyperlink Yes
Attachments No
Bookmarks No
Form Yes
Page Navigation Yes
Zoom Yes
Selection Yes
Search Yes
Encrypted Documents Yes
Edit No
Conformance Yes
Print Yes
Download Yes
Export to image No

Supported only for shapes and text*

Supports only text markup annotations**

When the document contains text that uses TrueType System Fonts to be rendered, the content in the PDF document is rendered using the font installed in the system or machine in the PDF Viewer control. If the required font is not installed in the system, the contents would be rendered using Arial font.***