Encapsulates metainfo and binary data of one font from the PDF document, loaded into the Viewer instance. This font is used in the document content and is embedded inside the document itself or is installed in the operating system, where the GroupDocs.Viewer is running.
Format of this font. Documents may use fonts in the next formats: TrueType, TrueType Collection, OpenType, Embedded OpenType. If there is only metainfo about this font, but its binary content is unavailable, this property returns an Unknown value.