Thanks Lubos I should clarify, I already have an eot->ttf converter working; proof positive that MS and Monotype's documentation is sufficient :). I just need to clean up the code, write some unit tests, etc. before I am comfortable submitting it to LibreOffice.
I'll take a look at EmbeddedFontsHelper On Tue, Aug 27, 2013 at 8:25 AM, Lubos Lunak <l.lu...@suse.cz> wrote: > On Tuesday 27 of August 2013, Brennan T Vincent wrote: > > Hi all, > > > > One of the most commonly-occurring problems with .pub import is the fact > > that we don't respect embedded fonts. Now that LibreOffice supports > > embedded fonts, it should be possible to make this work. > > That depends. EOT is a Microsoft proprietary font format (which has been > submitted to W3C, but AFAICT pretty much everybody else ignores it). There > are tools to convert e.g. TTF fonts to EOT, but I couldn't find absolutely > anything that'd convert from EOT and the only thing capable of at least > reading it is MS Windows itself. As far as I understand it, the available > documentation on it is unsufficient for implementing a reader if you'd > decide > it'd be worth the effort (I'm not entirely sure on this part, feel free to > do > your own research). > > Here are some links that I found on the topic: > > http://blog.yezhucn.com/gdi/t2embed_TTLoadEmbeddedFont.htm > http://www.pptfaq.com/FAQ00076_Embedding_fonts.htm > > > http://graphicdesign.stackexchange.com/questions/16234/are-there-any-free-tools-to-convert-eot-files-to-ttf-otf-or-any-other-font-f > http://www.w3.org/Submission/2008/SUBM-EOT-20080305/ > http://www.w3.org/Submission/2008/SUBM-MTX-20080305/ > http://lists.w3.org/Archives/Public/www-style/2008Apr/0227.html > http://securitylabs.websense.com/content/Blogs/3114.aspx > > > A few questions: > > > > (1) Do we support Embedded OpenType fonts currently? (.eot) > > No. > > > (2) If not (which I suspect), I can contribute some code to do this. > > Microsoft and Monotype recently granted a perpetual, irrevocable free > > patent and copyright license to implement the .eot format, so there > should > > be no legal issues. I have written a C library to convert from .eot to > .ttf > > and would like to know who to talk to in order to get this included in > > LibreOffice. > > Yes, adding support for export should be fairly easy, given that TTF->EOT > conversion is possible, but that's the easier part and it doesn't really > help > LO much. > > A kind of limited import support should be also doable, as the Windows > TTLoadEmbeddedFont() function can load such a font for use (unlike the > normal > Windows function for opening fonts). See the attached hackish proof of > concept patch. That'd make import of it Windows-only, unless you find a way > to use EOT on other platforms. It'd also most probably require some changes > in VCL's font handling, as I couldn't get the activated font listed among > available fonts (which is what otherwise the current reading of embedded > fonts does, it adds the new font temporarily in whichever way the > underlying > font system supports and then just uses it normally as if it was a system > font). > > There's a class EmbeddedFontsHelper in VCL that I created for handling > embedded fonts, that should be the place to start if you want to give > implementing this a try. > > -- > Lubos Lunak > l.lu...@suse.cz > > _______________________________________________ > LibreOffice mailing list > LibreOffice@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/libreoffice > >
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