A Divendres, 2 d'octubre de 2009, Elvis Stansvik va escriure: > 2009/10/2 Albert Astals Cid <aa...@kde.org>: > > A Divendres, 2 d'octubre de 2009, Benoit Jacob va escriure: > >> Hi List, > >> > >> I noticed that the rendering of DVI documents was broken exactly in > >> the same way as what I observed with PDF documents, namely, it used > >> auto-hinting which looks especially bad with TeX fonts. > >> > >> Attached is a 1-line patch that changes it. I need your permission to > >> commit. > >> > >> Screenshots: > >> * original : > >> http://picasaweb.google.ca/lh/photo/fry54ANy23UesNpFhbWanA?feat=directl > >>ink * fixed : > >> http://picasaweb.google.ca/lh/photo/OjQIZ7Of6wP74k7fKUwXTw?feat=directl > >>ink > >> > >> Here are some comments before one objects that disabling hinting is > >> just a matter of taste, etc. > >> > >> First, it's obvious that the "original" screenshot linked above is > >> horrible and that the "fixed" is the one that looks good. > >> > >> Second, it is a consensus on the Poppler/PDF side that one should use > >> no hinting, and then, there's no reason why DVI should be any > >> different. To summarize the situation on the PDF side: > >> * poppler/cairo (hence Evince) 's code completely disables hinting > >> * poppler/splash (hence Okular) 's code _meant_ to completely disable > >> hinting (actually only auto-hinting, but in the context of DVI that's > >> really the same because almost all DVI files use Type 1 fonts, and > >> bytecode only exists in TrueType fonts). It was a clear bug in the > >> code, where it was clear that the code didn't do what it intended, > >> that resulted in hinted fonts being used. > >> > >> Third, the old KDVI used to not do any hinting, I'm completely sure of > >> that because I've spent hundreds of hours looking at documents in it. > >> I remember distinctly the (imho beautiful) slightly fuzzy look of the > >> TeX fonts in it, that is characteristic of non-hinted text, although > >> at that time I didn't know about hinting. That said, I used "svn > >> annotate" to see who enabled hinting in the C++ code, and it turns out > >> to be Stefan Kebekus himself in an old revision (240000-something). I > >> am puzzled about that, but I still maintain that KDVI didn't use > >> hinting on all the Linux systems that I tried. My best guess is that > >> Stefan Kebekus _thought_ that he had enabled hinting but for some > >> reason it wasn't used. I haven't investigated further as this is quite > >> intricate, and of course I only have Okular's code at hand, I haven't > >> looked at the actual KDVI code. > >> > >> OK to commit? > > > > No, actually what it is clear that *you* don't like hinting, and you have > > a certain amount of followers, the problem is that typically people that > > is happy with a setting is not much active defending it because they are > > happy in their sofas. > > > > My suggestion is adding a configuration option that lets the user choose > > between "No Hinting", "Hinting" and "Hinting as set in KDE settings". For > > KDE 4.3.x we can add it, it set in "Hinting" and the only configuration > > option will be thought non GUI as we can't add translatable texts. For > > KDE 4.4.x we can default to "No Hinting" if others here (basically Pino, > > Brad, Tokoe) agree. > > I'm not one of those three, but I'll just chime in anyway and say that > I agree with Benoit that, at least in the example he gave, it's very > obvious that the non-hinted version looks much better. I'm not trying > to troll here, but come on, in some places the hinted one is hardly > readable, the characters are all jumpy; e.g. the 'T' in the very first > word. I don't know if this is a bug in the hinting or just the way > it's supposed to look. > > Anyway, this doesn't make me a "follower" of Benoit; I'm just calling > it like I see it ;)
That's one PDF in one hundred, and i've already felt too many times people hating me becuase I changed something I considered mintor but was critical for them, so for me it's a setting all the way. Albert > > Cheers, > Elvis > > > Comments? > > > > Albert > > > >> Benoit > > > > _______________________________________________ > > Okular-devel mailing list > > Okular-devel@kde.org > > https://mail.kde.org/mailman/listinfo/okular-devel > > _______________________________________________ > Okular-devel mailing list > Okular-devel@kde.org > https://mail.kde.org/mailman/listinfo/okular-devel > _______________________________________________ Okular-devel mailing list Okular-devel@kde.org https://mail.kde.org/mailman/listinfo/okular-devel
