Barry SCHWARTZ (Barijo ŜVARC) (chemoelectric) wrote,
Barry SCHWARTZ (Barijo ŜVARC)
chemoelectric

Urge to kill RISING ...

It is unbelievable to me how braindead the handling of OpenType is in the ‘mainstream’ free software community—by ‘mainstream’ I mean outside of the world of TeX and it’s relatives. Cairo, the graphical back-end of ‘choice’ these days, is writing useless ToUnicode maps into PDFs (because some document that looks like it is meant only for Far Eastern scripts ‘recommends’ the useless maps), and is performing needless gymnastics with ‘glyph clusters’ that become necessary only because of lack of a useful ToUnicode map. The ‘glyph clusters’, meanwhile, show up also in HarfBuzz, the OpenType engine of ‘choice’—a piece of software that not does lookups in the wrong order, whose source contains nonsensical comments about ‘feature order’, whose bug reporting system contains screaming from people who don’t want the code associated with the nonsensical comments fixed, and which as a result of all this is unbelievably complicated and difficult to use.

No one in the TeX world seems willing to touch this stuff. It’s radioactive. Xdvipdfmx still doesn’t write the useful ToUnicode maps, I think, but that can easily be remedied. I just haven’t gotten around to it. Adding meaning ToUnicode support to ConTeXt Mark IV was pretty trivial, and I haven’t bothered to supply my patch mainly because I expect the developers to get around to it themselves, once the design has settled down some. But the free GUI-oriented stuff that is out there is hard to stomach, and it irritates me even to try to help improve matters.

Seriously, there is much really wonderful development in the free software world, such as the operating system I’m using, which makes Microsoft Windows look like a pile of dog crap, but the ‘mainstream’ software for production of text is incapable and bad. Hang onto your Adobe CS.

Late edit: Mind you, I suspect that the ‘glyph clusters’ may actually serve a purpose in some non-latin scripts, like maybe arabic with all its incredible fanciness, and they may also be useful in some unusual cases with Latin scripts, but I haven’t found such things necessary when making e-books.

Late late edit: I don’t want to be un-nice, and much of the free software works pretty well for me, at least with my patched-up fontconfig and if I don’t try to do anything fancy, but I feel released to rant like this because Adam Twardoch, a name well known in the font community, already had a similar rant a few weeks ago in a FontForge mailing list. He was particularly annoyed about Scribus. (His annoyance with FontForge was FF’s crashiness, although that at least is a documented misfeature. :) )
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