Encapsulates metainfo and binary data of a font from a spreadsheet document loaded into a Viewer instance. Spreadsheet documents cannot have embedded fonts, so a font returned by Viewer.get_all_fonts is installed in the operating system where the viewer runs.
The SpreadsheetFontInfo type exposes the following members:
The content of this font as a byte array. If only metainfo about this font is available and its binary content is unavailable, the property returns None.