I tried to change the value and the highest one I can use is 2 so it's not a big improvement for what I understand.
You can contact me if you need other test naturally N. Le Friday 26 October 2007 12:24:34 Michael Droettboom, vous avez écrit : > It's great to have narrowed this down! Unfortunately, with that #define > removed, you will get lower quality fonts (the hinting will be more > extreme, which causes the glyphs to often look too thin, or > inconsistent.) See this thread for more information -- > > http://www.mail-archive.com/[EMAIL PROTECTED]/msg01480 >.html > > I'd hate to turn off this improvement because it doesn't work in some > environments. > > I wonder if you wouldn't mind performing one more experiment... There > is another define at the top of ft2font.cpp, "HORIZ_HINTING" that > controls the amount of hinting subsampling. Currently it is set to 8, > but I wonder if a lower value would work. Ideally, we want to set this > as high as we can get away with. > > #define VERTICAL_HINTING > #ifdef VERTICAL_HINTING > #define HORIZ_HINTING 8 > #else > #define HORIZ_HINTING 1 > #endif > > Would you mind trying other values and seeing if any work? If not, I'll > probably take this question to the freetype mailing list now that we've > narrowed the cause down to only a three line difference in the code. > > Cheers, > Mike > > [EMAIL PROTECTED] wrote: > > Le Friday 26 October 2007 11:22:06, vous avez écrit : > >> Thanks for this information. It looks like the font outline data is > >> somehow getting corrupted before freetype renders it. Again, however, I > >> can't reproduce it on my machine (I've attached a copy of what it looks > >> like for me), so I'm still pretty stumped. My suspicion is that it's a > >> 64-bit vs. 32-bit problem since both people known to have trouble are on > >> 64-bit platforms, and I am not. I have tried recompiling with gcc-4.2.2 > >> and I still wasn't able to reproduce. > > > > I can imagine that it's difficult for you to debug something you cannot > > reproduce. Just a remark I don't have 64-bits but a 32 so the problem is > > not comming because of the plateforme. > > > >> One thing you could *try*, to rule out any recent changes to the glyph > >> rendering, is to comment out this line near the top of src/ft2font.cpp: > >> > >> #define VERTICAL_HINTING > >> > >> as follows > >> > >> //#define VERTICAL_HINTING > > > > Yes it's doing the trick., I don't have anymore the problem. Thank you > > very much. I have now the same result than you with the test I produce > > before. > > > >> Additional information: Are there any warnings produced when compiling > >> ft2font.cpp? Can you send me your matplotlibrc file? > > > > just the classic one: > > > > cc1plus: warning: command line option "-Wstrict-prototypes" is valid for > > Ada/C/ObjC but not for C++ > > > > Thank you very much. > > > > N. > > > >> Cheers, > >> Mike > >> > >> [EMAIL PROTECTED] wrote: > >>> Yep that can be a good idea. I don't know anything on how mathtext is > >>> working but I'm not completely sure that the problem is with freetype > >>> because sometime that can work. In reality every character I tested > >>> worked but you have to put in a certain order. To understand a little > >>> bit more what I try to say (very badly) see the script join and the > >>> figure. > >>> > >>> I hope that can help a little bit to try to find the reason of this > >>> behaviour. > >>> > >>> N > >>> > >>> Le Thursday 25 October 2007 15:41:40 Michael Droettboom, vous avez écrit : > >>>> Darren Dale wrote: > >>>>> Hi Mike, > >>>>> > >>>>> On Tuesday 23 October 2007 09:05:56 am Michael Droettboom wrote: > >>>>>> Unfortunately, I can't reproduce this on my machine even with the > >>>>>> latest stable version of freetype-2.5.3 (which is the same version > >>>>>> in Ubuntu Gutsy). > >>>>> > >>>>> I think you mean freetype-2.3.5. I also have that version installed, > >>>>> although the mpl setup script is reporting 9.16.3. > >>>> > >>>> Yes. freetype-2.3.5. There are arcane historical reasons I don't > >>>> fully comprehend why the pkgconfig version doesn't match the release > >>>> version (and why freetype2 is called freetype6 on Debian and > >>>> derivatives)... but my numbers do match yours. > >>>> > >>>>>> The Ubuntu/Debian package of freetype has a lot of patches > >>>>>> applied, and I don't know if they are causing this (but from the > >>>>>> looks of them, I doubt it). > >>>>>> > >>>>>> Can you set debug.verbose to "annoying" and send me the output of > >>>>>> your matplotlib run? I want to rule out any font-loading problems. > >>>>> > >>>>> It's attached. I'm running 64bit gentoo, everything compiled with > >>>>> gcc-4.2.2, in case its relevent. > >>>> > >>>> Always good to have more details, but I'm sort of at a loss on this > >>>> one, especially since I can't reproduce it. > >>>> > >>>> Maybe we need to take a poll on this list of who is working and who > >>>> isn't to see what the source of the breakage may be... > >>>> > >>>> Cheers, > >>>> Mike > >>>> > >>>> ---------------------------------------------------------------------- > >>>>-- ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
