When I run the example extract_fonts.rb for a pdf generated by pdfTeX, it complains:
unsupported font type Type1
I googled for Type1, it seems to be Adobe Type 1 Font Format( http://partners.adobe.com/public/developer/en/font/T1_SPEC.PDF ), a PostScript-like font format.
I wonder if there is any plan about supporting it?
i'll happily accept a patch that adds support for type1 fonts to extract_fonts.rb, but I personally don't have time to add support in the short term.
I had tried to export it and convert it to ttf according to the spec with partial success but:
i will keep working on it to see if anything eventually become useful.