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------- Additional comments from hdu@openoffice.org Mon Apr 14 09:29:11 +0000 2008 ------- @nmailhot: Fedora is replacing its Type1 fonts by their CFF-OTF counterparts? That is very interesting and changes the priority of the feature request.
@adrianjohnson: good to see you here. Welcome!
I had a closer look at the PS export and especially its font handling. For CFF fonts the fallback method seems to be used: The glyph outlines get wrapped into a Type1, but hints are lost. Of course hints in Type1 fonts are not as important as for TTFs, but since the conversion between CFF and Type1 can be done without any loss, I was hoping for that. I already have some code that does that, but it is not reliable enough yet. If we need a quick solution the fallback to outlines seems to be a reasonable alternative though. On the other hand experts advocating CFF outlines over TTF outlines seem to be extremely sensitive about this topic.
The full-CFF to subset-CFF conversion used in cairo's PDF export is very nice indeed. Thanks for the pointer! We'll need CFF-subsetting on Windows too, but don't have any use for other parts of cairo on that platform yet. There are not too many deep dependencies into cairo's infrastructure, so if breaking this part out is technically feasible I'd like to do it, if you agree.
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