From: SourceForge.net <no...@so...> - 2003-05-07 20:44:34
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Patches item #535541, was opened at 2002-03-26 18:12 Message generated for change (Comment added) made by jenglish You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=312997&aid=535541&group_id=12997 Category: 46. Unix Fonts Group: None Status: Open Resolution: None Priority: 5 Submitted By: Jeffrey Hobbs (hobbs) Assigned to: Joe English (jenglish) Summary: XFree86 Anti-Aliased text patches Initial Comment: The following patches are what I received from Keith Packard ( http://www.xfree86.org/~keithp/) that added anti-aliased XFree86 text support to Tk on Unix. It did it by removing lots of other functionality though. From Keith: ---- It's entirely a hack at some level. When you deal with TrueType fonts, you can always get an ISO 10646 (UCS) encoding, so for languages well served using that as a glyph encoding things are really easy. It would be better if the hacks were fixed to manage the i18n aspects that tk has done in the past, but I don't understand them well enough to do a good job, nor have I figured out what Xft should do to help solve the problem. ---- I'm attaching his patch, which was likely against 8.3.x so it doesn't get lost again. It is a tgz with two files that belong in tk/unix/. ---------------------------------------------------------------------- >Comment By: Joe English (jenglish) Date: 2003-05-07 13:44 Message: Logged In: YES user_id=68433 Keith Packard has a more recent version which includes full Unicode support . The attached patch tk-xft.patch is based on rev 1.4 of tkUnixRFont.c from the fontconfig.org CVS repository (see http://cvs.fontconfig.org/cgi-bin/cvsweb/tk/), plus a few fixes for problems encountered when running the test suite. I've also added autoconf support: use './configure --enable-xft' to enable Xft. This will use tkUnixRFont.c instead of tkUnixFont.c, and link with the appropriate libraries. There are still a few issues to be worked out, but on the whole this works _really_ well. Thanks, Keith! ---------------------------------------------------------------------- Comment By: Jeffrey Hobbs (hobbs) Date: 2003-04-21 10:27 Message: Logged In: YES user_id=72656 Yes, the i18n part was the major missing component. Keith's notes are above, and that is all I really know in detail, having never done Xft specific coding. ---------------------------------------------------------------------- Comment By: Joe English (jenglish) Date: 2003-04-20 14:23 Message: Logged In: YES user_id=68433 ... looks like i18n is also horked. The patch uses XftDrawString8 instead of XftDrawString16 (this looks easy to fix), not sure what to do about glyph coverage though. ---------------------------------------------------------------------- Comment By: Joe English (jenglish) Date: 2003-04-20 12:43 Message: Logged In: YES user_id=68433 I'll have a go at integrating this. Jeff, do you recall offhand what functionality was removed? (Tk_MeasureChars is definitely broken, don't know what else is missing.) ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=312997&aid=535541&group_id=12997 |