7:43 a.m.
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Summary: Byte-code interpreter seems not enabled in Qt
https://bugzilla.redhat.com/show_bug.cgi?id=705348
Summary: Byte-code interpreter seems not enabled in Qt
Product: Fedora
Version: 15
Platform: x86_64
OS/Version: Linux
Status: NEW
Severity: low
Priority: unspecified
Component: freetype
AssignedTo: mkasik(a)redhat.com
ReportedBy: arthur.kun(a)gmail.com
QAContact: extras-qa(a)fedoraproject.org
CC: behdad(a)fedoraproject.org, kevin(a)tigcc.ticalc.org,
fonts-bugs(a)lists.fedoraproject.org, mkasik(a)redhat.com
Classification: Fedora
Story Points: ---
Created attachment 499346
--> https://bugzilla.redhat.com/attachment.cgi?id=499346
Comparison of font rendering between kwrite and gedit
Description of problem:
The font rendering in KDE/Qt apps looks like freetype byte-code interpreter
(BCI) is not enabled, while gtk apps renders fonts as BCI enabled.
Version-Release number of selected component (if applicable):
freetype-2.4.4-4.fc15.x86_64
qt-4.7.2-8.fc15.x86_64
How reproducible: every time
Steps to Reproduce:
1. Enable full hinting in KDE system settings
2. Open kwrite and gedit; select DejaVu Sans 12 as editor font in both
3. Open the same file in both editors
Actual results:
font rendering in kwrite (both menu and contents) looks like BCI not enabled
(poor hinting); while in gedit, BCI looks as working.
This difference applies to all Qt applications (KDE and non-KDE) and all
Gtk-based applications.
Expected results:
BCI enabled in both Qt and Gtk-based applications
Additional info:
I was using Fedora 15 RC3 downloaded from
http://serverbeach1.fedoraproject.org/pub/alt/stage/15.RC3/Fedora/x86_64/...
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9:08 a.m.
New subject: [Bug 705348] Byte-code interpreter seems not enabled in Qt
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https://bugzilla.redhat.com/show_bug.cgi?id=705348
Kevin Kofler <kevin(a)tigcc.ticalc.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |itamar(a)ispbrasil.com.br,
| |jreznik(a)redhat.com,
| |ltinkl(a)redhat.com,
| |rdieter(a)math.unl.edu,
| |rnovacek(a)redhat.com,
| |smparrish(a)gmail.com,
| |than(a)redhat.com
--- Comment #1 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-05-17 10:08:00 EDT
---
CCing the other Qt maintainers, to see if anybody has an idea what's up there…
I tested the auto-autohint patch for the BCI code with KCharSelect (using a
freetype-freeworld build for F14), it definitely picked up the BCI for DejaVu
(both for the menu and inside the character selector). I also had the BCI
working fine when testing the F15 nightly KDE live images (using F15's stock
freetype). What's going on now?
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6:42 a.m.
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--- Comment #2 from Miroslav Lichvar <mlichvar(a)redhat.com> 2011-05-31 07:42:58 EDT
---
Interestingly, I see this on one F15 machine, but not on another. After
comparing strace outputs when starting psi and trying to get them close by
uninstalling various font packages, I could get correctly rendered fonts on
both machines. It seems to be caused by configuration in lohit fonts packages.
In /etc/fonts/conf.d/66-lohit*.conf there seem to be misplaced autohint
assignments. Can anyone confirm this?
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7:34 a.m.
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--- Comment #3 from Kun Zhang <arthur.kun(a)gmail.com> 2011-06-01 08:34:41 EDT ---
(In reply to comment #2)
Interestingly, I see this on one F15 machine, but not on another.
After
comparing strace outputs when starting psi and trying to get them close by
uninstalling various font packages, I could get correctly rendered fonts on
both machines. It seems to be caused by configuration in lohit fonts packages.
In /etc/fonts/conf.d/66-lohit*.conf there seem to be misplaced autohint
assignments. Can anyone confirm this?
Yes. I removed lohit-* packages, and BCI is working in Qt now.
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8:09 a.m.
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Rex Dieter <rdieter(a)math.unl.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |psatpute(a)redhat.com
--- Comment #4 from Rex Dieter <rdieter(a)math.unl.edu> 2011-06-01 09:09:38 EDT ---
CC'ing lohit-*-fonts maintainer, any comment/advice/input?
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4:48 a.m.
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Pravin Satpute <psatpute(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |nicolas.mailhot(a)laposte.net
--- Comment #5 from Pravin Satpute <psatpute(a)redhat.com> 2011-06-02 05:48:38 EDT
---
can you try with installing grimmer-proggy-tinysz-fonts
these font also enabled autohint, if it happens with this also. Then may be it
is problem from fontconfig side.
can one review lohit config file as well?
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8:36 a.m.
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--- Comment #6 from Kun Zhang <arthur.kun(a)gmail.com> 2011-06-02 09:36:05 EDT ---
(In reply to comment #5)
can you try with installing grimmer-proggy-tinysz-fonts
these font also enabled autohint, if it happens with this also. Then may be it
is problem from fontconfig side.
can one review lohit config file as well?
I installed grimmer-proggy-tinysz-fonts as you said, but BCI is still working.
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9:02 a.m.
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--- Comment #7 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-02 10:02:45 EDT
---
FWIW, I'm now also seeing this bug on my notebook, whereas IIRC it worked fine
on the live image.
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9:15 a.m.
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--- Comment #8 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-02 10:15:21 EDT
---
What's fun is that for some reason, lohit-assamese-fonts doesn't trigger the
problem on my machine, whereas at least oriya, punjabi and tamil do. They all
ship what looks like the same fontconfig setup. They have different numbering,
but both assamese and tamil use 65-0 numbering, yet assamese doesn't trigger
this bug and tamil does.
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9:24 a.m.
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--- Comment #9 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-02 10:24:03 EDT
---
So what I see is that if I change the:
<test name="family" compare="eq">
<string>Lohit Tamil</string>
</test>
to some non-existent nonsense (like "Lohit Tamilll"), the bug stops happening
(with the other lohit-*-fonts removed).
What seems to be happening is that the test passes as soon as any characters
from Lohit Tamil are looked up, which is not what we want. :-(
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9:27 a.m.
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--- Comment #10 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-02 10:27:46 EDT
---
(The characters get looked up because DejaVu itself doesn't provide them.)
I think the easiest solution would be to drop this fontconfig trick and instead
zap the hinting bytecode from the fonts themselves as was done for devanagari.
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3:23 a.m.
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--- Comment #11 from Akira TAGOH <tagoh(a)redhat.com> 2011-06-03 04:23:31 EDT ---
That would be nice to see some debugging log from fontconfig what exactly
happens there. try to run apps with FC_DEBUG=4. you might see some different on
logs with/without the above rule.
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4:14 a.m.
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--- Comment #12 from Nicolas Mailhot <nicolas.mailhot(a)laposte.net> 2011-06-03
05:14:49 EDT ---
It may just be yet another QT fontconfig bug. It wouldn't be the first time a
fontconfig setting that worked perfectly in gtk/pango/cairo was not interpreted
correctly there. In that case, it's best to push the bug where it belongs
(QT-side) rather than blocking fontconfig enhancements needed otherwise
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7:14 p.m.
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--- Comment #13 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-03 20:13:59 EDT
---
So the log in a Qt app (KCharSelect) at the point where the switch happens is
this:
Append list before
Append list after FcTrue(w)
FcConfigSubstitute editPattern has 18 elts (size 32)
family: "DejaVu Sans"(w) "DejaVu LGC Sans"(w) "DejaVu LGC
Sans"(w)
"Bits
tream Vera Sans"(w) "DejaVu Sans"(w) "Verdana"(w)
"Arial"(w) "Albany AMT"(w)
"Lu
xi Sans"(w) "Nimbus Sans L"(w) "Helvetica"(w) "Lucida Sans
Unicode"(w) "BPG
Glah
o International"(w) "Tahoma"(w) "Nachlieli"(w) "Lucida Sans
Unicode"(w) "Yudit
U
nicode"(w) "Kerkis"(w) "ArmNet Helvetica"(w)
"Artsounk"(w) "BPG UTF8 M"(w)
"Ware
e"(w) "Loma"(w) "Garuda"(w) "Umpush"(w) "Saysettha
Unicode"(w) "JG Lao Old
Arial
"(w) "GF Zemen Unicode"(w) "Pigiarniq"(w) "B Davat"(w)
"B Compset"(w)
"Kacst-Qr"
(w) "Urdu Nastaliq Unicode"(w) "Raghindi"(w) "Mukti
Narrow"(w) "malayalam"(w)
"S
ampige"(w) "padmaa"(w) "Hapax Berbère"(w) "MS
Gothic"(w) "UmePlus P Gothic"(w)
"
SimSun"(w) "PMingLiu"(w) "WenQuanYi Zen Hei"(w) "WenQuanYi
Bitmap Song"(w) "AR
P
L ShanHeiSun Uni"(w) "AR PL New Sung"(w) "MgOpen Modata"(w)
"VL Gothic"(w)
"IPAM
onaGothic"(w) "IPAGothic"(w) "Sazanami Gothic"(w) "Kochi
Gothic"(w) "AR PL
Kaiti
M GB"(w) "AR PL KaitiM Big5"(w) "AR PL ShanHeiSun Uni"(w)
"AR PL SungtiL GB"(w)
"AR PL Mingti2L Big5"(w) "ï¼ï¼³ ゴシック"(w) "ZYSong18030"(w)
"TSCu_Paranar"(w) "
UnDotum"(w) "Baekmuk Dotum"(w) "Baekmuk Gulim"(w)
"KacstQura"(w) "Lohit
Bengali"
(w) "Lohit Gujarati"(w) "Lohit Hindi"(w) "Lohit Marathi"(w)
"Lohit Maithili"(w)
"Lohit Kashmiri"(w) "Lohit Konkani"(w) "Lohit Nepali"(w)
"Lohit Sindhi"(w)
"Lohi
t Punjabi"(w) "Lohit Tamil"(w) "Meera"(w) "Lohit
Malayalam"(w) "Lohit
Kannada"(w
) "Lohit Telugu"(w) "Lohit Oriya"(w) "LKLUG"(w)
"FreeSans"(w) "FreeSans"(w)
"Arial Unicode MS"(w) "Arial Unicode"(w) "Code2000"(w)
"Code2001"(w)
"sans-serif"(w) "Roya"(w) "Koodak"(w) "Terafik"(w)
"sans-serif"(w)
"sans-serif"(w) "sans-serif" (w) "sans-serif"(w)
"sans-serif"(w)
"sans-serif"(w) "sans-serif"(w) "sans-serif"(w)
"sans-serif"(w)
slant: 0(i)(s)
weight: 100(i)(s)
width: 100(i)(s)
pixelsize: 13,33(f)(s)
antialias: FcTrue(w)
hintstyle: 2(i)(w)
hinting: FcTrue(w)
verticallayout: FcFalse(s)
autohint: FcFalse(s)
globaladvance: FcTrue(s)
outline: FcTrue(s)
scalable: FcTrue(s)
rgba: 1(i)(w)
lang: "de-AT"(s)
fontversion: 2147483647(i)(s)
embeddedbitmap: FcTrue(w)
decorative: FcFalse(s)
FcConfigSubstitute test font any family Equal "Lohit Assamese"
No match
FcConfigSubstitute test font any family Equal "Lohit Tamil"
Substitute match
font any family Equal "Lohit Tamil"
edit
Edit autohint Assign true;
Append list before
Append list after FcTrue(w)
FcConfigSubstitute editPattern has 18 elts (size 32)
family: "DejaVu Sans"(w) "DejaVu LGC Sans"(w) "DejaVu LGC
Sans"(w)
"Bitstream Vera Sans"(w) "DejaVu Sans"(w) "Verdana"(w)
"Arial"(w) "Albany
AMT"(w) "Luxi Sans"(w) "Nimbus Sans L"(w)
"Helvetica"(w) "Lucida Sans
Unicode"(w) "BPG Glaho International"(w) "Tahoma"(w)
"Nachlieli"(w) "Lucida
Sans Unicode"(w) "Yudit Unicode"(w) "Kerkis"(w) "ArmNet
Helvetica"(w)
"Artsounk"(w) "BPG UTF8 M"(w) "Waree"(w) "Loma"(w)
"Garuda"(w) "Umpush"(w)
"Saysettha Unicode"(w) "JG Lao Old Arial"(w) "GF Zemen
Unicode"(w)
"Pigiarniq"(w) "B Davat"(w) "B Compset"(w)
"Kacst-Qr"(w) "Urdu Nastaliq
Unicode"(w) "Raghindi"(w) "Mukti Narrow"(w)
"malayalam"(w) "Sampige"(w)
"padmaa"(w) "Hapax Berbère"(w) "MS Gothic"(w) "UmePlus
P Gothic"(w) "SimSun"(w)
"PMingLiu"(w) "WenQuanYi Zen Hei"(w) "WenQuanYi Bitmap
Song"(w) "AR PL
ShanHeiSun Uni"(w) "AR PL New Sung"(w) "MgOpen Modata"(w)
"VL Gothic"(w)
"IPAMonaGothic"(w) "IPAGothic"(w) "Sazanami Gothic"(w)
"Kochi Gothic"(w) "AR PL
KaitiM GB"(w) "AR PL KaitiM Big5"(w) "AR PL ShanHeiSun Uni"(w)
"AR PL SungtiL
GB"(w) "AR PL Mingti2L Big5"(w) "ï¼ï¼³ ゴシック"(w)
"ZYSong18030"(w) "TSCu_Paranar"(w)
"UnDotum"(w) "Baekmuk Dotum"(w) "Baekmuk Gulim"(w)
"KacstQura"(w) "Lohit
Bengali"(w) "Lohit Gujarati"(w) "Lohit Hindi"(w) "Lohit
Marathi"(w) "Lohit
Maithili"(w) "Lohit Kashmiri"(w) "Lohit Konkani"(w) "Lohit
Nepali"(w) "Lohit
Sindhi"(w) "Lohit Punjabi"(w) "Lohit Tamil"(w)
"Meera"(w) "Lohit Malayalam"(w)
"Lohit Kannada"(w) "Lohit Telugu"(w) "Lohit Oriya"(w)
"LKLUG"(w) "FreeSans"(w)
"FreeSans"(w) "Arial Unicode MS"(w) "Arial Unicode"(w)
"Code2000"(w)
"Code2001"(w) "sans-serif"(w) "Roya"(w)
"Koodak"(w) "Terafik"(w)
"sans-serif"(w) "sans-serif"(w) "sans-serif"(w)
"sans-serif"(w) "sans-serif"(w)
"sans-serif"(w) "sans-serif"(w) "sans-serif"(w)
"sans-serif"(w)
slant: 0(i)(s)
weight: 100(i)(s)
width: 100(i)(s)
pixelsize: 13,33(f)(s)
antialias: FcTrue(w)
hintstyle: 2(i)(w)
hinting: FcTrue(w)
verticallayout: FcFalse(s)
autohint: FcTrue(w)
globaladvance: FcTrue(s)
outline: FcTrue(s)
scalable: FcTrue(s)
rgba: 1(i)(w)
lang: "de-AT"(s)
fontversion: 2147483647(i)(s)
embeddedbitmap: FcTrue(w)
decorative: FcFalse(s)
As you can see, there is a long font substitution list being built up as one
logical font (including some fonts I don't even have installed, I do not have
"Arial Unicode MS"!), which includes all those Lohit fonts. This is then used
as the default font, and the settings from Lohit get applied to the whole
composite font.
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7:20 p.m.
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--- Comment #14 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-03 20:20:21 EDT
---
In GTK+ apps, there is only:
family: "DejaVu Sans"(s)
so only the settings for the DejaVu Sans family are being used.
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7:42 p.m.
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--- Comment #15 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-03 20:42:16 EDT
---
So this is what Qt does:
http://www.qt.gitorious.org/qt/qt/blobs/4.7/src/gui/text/qfontengine_x11....
I think the difference is that Pango has its own class to represent a set of
fonts, so it will only pass one font at a time to fontconfig (which allows
getting the settings for the exact font containing the glyph), whereas Qt
actually uses freetype's glyph lookup, which unfortunately means fontconfig
gets only the whole list of fonts to work with.
The Pango approach looks pretty much like a hack around the limitations in
fontconfig and freetype to me.
So I still think that it is impractical to change Qt and that the lohit fonts
must be fixed to zap the unwanted hinting bytecode from the fonts themselves as
was done for lohit-devanagari-fonts and drop the fontconfig settings.
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5:23 a.m.
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--- Comment #16 from Nicolas Mailhot <nicolas.mailhot(a)laposte.net> 2011-06-04
06:23:32 EDT ---
(In reply to comment #13)
As you can see, there is a long font substitution list being built up
as one
logical font (including some fonts I don't even have installed, I do not have
"Arial Unicode MS"!), which includes all those Lohit fonts. This is then used
as the default font, and the settings from Lohit get applied to the whole
composite font.
Well that's really broken IMHO, the whole point of fontconfig is to create a
patchwork from different fonts with different characteristics, it can't work if
one can't set characteristics for each of those bits separately.
(and BTW even font-file level granularity is too coarse, current fonts are huge
an uneaven, theyr really want intra-font-file tweaking)
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8:30 p.m.
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--- Comment #17 from Akira TAGOH <tagoh(a)redhat.com> 2011-06-05 21:30:32 EDT ---
Does modifying matching rules in all lohit fonts' fontconfig files like:
<match target="font">
<test name="family" compare="eq">
<string>Lohit blahblahblah</string>
</test>
<edit name="autohint" mode="assign">
<bool>true</bool>
</edit>
</match>
To:
<match target="font">
<test qual="first" name="family" compare="eq">
<string>Lohit blahblahblah</string>
</test>
<edit name="autohint" mode="assign">
<bool>true</bool>
</edit>
</match>
help?
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8:39 p.m.
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Kevin Kofler <kevin(a)tigcc.ticalc.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|freetype |lohit-assamese-fonts
AssignedTo|mkasik(a)redhat.com |psatpute(a)redhat.com
--- Comment #18 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-05 21:39:29 EDT
---
Yes:
sed -i -e 's/<test name="family" /<test qual="first"
name="family" /g' \
/etc/fonts/conf.d/*lohit*
fixed the problem. So this looks like an acceptable workaround, can we get the
Lohit packages updated for this?
The following packages need fixing:
lohit-assamese-fonts
lohit-bengali-fonts
lohit-kannada-fonts
lohit-malayalam-fonts
lohit-oriya-fonts
lohit-punjabi-fonts
lohit-tamil-fonts
lohit-telugu-fonts
Reassigning to the alphabetically first of the affected font packages.
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8:40 p.m.
New subject: [Bug 705348] Lohit fonts accidentally disable the bytecode interpreter for Qt
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Kevin Kofler <kevin(a)tigcc.ticalc.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Byte-code interpreter seems |Lohit fonts accidentally
|not enabled in Qt |disable the bytecode
| |interpreter for Qt
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--- Comment #19 from Akira TAGOH <tagoh(a)redhat.com> 2011-06-05 22:07:28 EDT ---
Okay. running apps with any indic locale, which would possibly needs lohit
fonts, still turns 'autohint' property on:
...
FcConfigSubstitute test font first family Equal "Lohit Bengali"
Substitute match
font first family Equal "Lohit Bengali"
edit
Edit autohint Assign true;
Append list before
Append list after FcTrue(w)
FcConfigSubstitute editPattern has 28 elts (size 32)
family: "Lohit Bengali"(s)
familylang: "en"(s)
style: "Regular"(s)
stylelang: "en"(s)
fullname: "Lohit Bengali"(s)
fullnamelang: "en"(s)
slant: 0(i)(s)
weight: 80(i)(s)
width: 100(i)(s)
pixelsize: 13.33(f)(s)
foundry: "unknown"(s)
hintstyle: 3(i)(s)
hinting: FcFalse(s)
verticallayout: FcFalse(s)
autohint: FcTrue(w)
...
So that would be better workaround for this issue yeah.
Aside from that, there might be more packages modifying flags and any
properties which is sharing in the pattern but not applying it font-by-font. so
we may need to have a look at all of fontconfig files to find problematic
config files out.
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Pravin Satpute <psatpute(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
--- Comment #20 from Pravin Satpute <psatpute(a)redhat.com> 2011-06-06 07:10:42 EDT
---
Yes, i am building lohit fonts with this update.
Thanks tagoh for this workaround
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11:18 a.m.
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--- Comment #21 from Behdad Esfahbod <behdad(a)fedoraproject.org> 2011-06-06 12:18:24
EDT ---
The way Pango is using fontconfig is completely correct and the way fontconfig
is designed to be used. In short, this is how to use fontconfig:
- Create a pattern specifying the characteristics you are looking for (ie.
"sans bold 18"). Call this pat.
- Call FcConfigSubstitute (NULL, pat, FcMatchPattern). That's where
target="pattern" configuration is applied.
- Call FcDefaultSubstitute (pat)
- Then either: {
- Call FcFontSort (NULL, pat, ...). This will return a fontset, lets call
it fs.
- For any item in fs that you want to use (call that 'font'), you should:
- Call FcRenderPrepare (NULL, pat, font). This will implicitly call
FcConfigSubstituteWithPat (NULL, res, pat, FcMatchFont) on the pattern that it
returns. That's where target="font" configuration is applied.
- Use the resulting pattern to open the font and render it.
} or {
- Call FcFontMatch (NULL, pat, &result). This will return what we call a
"font" pattern. It already has FcFontRenderPrepare (NULL, pat, font) called on
it by FcFontMatch.
}
Now! The way Qt is abusing fontconfig is:
- qt_fontSetForPattern calls FcFontSort (NULL, pat, ...) and gets the
resulting fontset 'fs' and saves it.
*** Note that it should have called FcConfigSubstitute (pattern,
FcMatchPattern) and FcDefaultSubstitute (pattern) first, but it didn't.
- In QFontEngineMultiFT::loadEngine(), it gets font patterns out of fs, and
calls it pattern. Note that this is a target="font" kind of pattern.
- Then it calls:
FcConfigSubstitute(0, pattern, FcMatchPattern);
FcDefaultSubstitute(pattern);
*** This is completely wrong, since pattern is a font pattern, not a query
pattern!
So, that's it. It's completely b0rked. Those two calls should be made before
FcFontSort(), and FcRenderPrepare called in place of those two.
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--- Comment #22 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-06 14:41:14 EDT
---
So how do we fix Qt? Can you come up with a patch? I have a hard time
understanding what the Qt font engines even do and in what order, I didn't
managet to produce a step-by-step description like yours.
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--- Comment #23 from Behdad Esfahbod <behdad(a)fedoraproject.org> 2011-06-06 14:59:00
EDT ---
I'm checking out Qt to give it a try coming up with a patch. But given all the
different (non-fontconfig) settings going on in the code, I would have a low
confidence in any patch I come up with. Even in Pango it took me weeks to be
confident of the code I wrote :).
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5:03 p.m.
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--- Comment #24 from Behdad Esfahbod <behdad(a)fedoraproject.org> 2011-06-06 18:03:26
EDT ---
Created attachment 503338
--> https://bugzilla.redhat.com/attachment.cgi?id=503338
Patch
Ok, I digged this more. In fact, it was far far worse than I thought. The
code is stupid. It calls FcFontMatch() every other function...
I hacked up a patch together. It should improve things a lot. Can you test?
It's against qt master, but should apply to the fedora package just fine I
guess.
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Kevin Kofler <kevin(a)tigcc.ticalc.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|lohit-assamese-fonts |qt
AssignedTo|psatpute(a)redhat.com |than(a)redhat.com
--- Comment #25 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-06 18:18:28 EDT
---
Let's bounce this back to Qt and see if the patch helps.
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--- Comment #26 from Ngo Than <than(a)redhat.com> 2011-06-07 11:20:55 EDT ---
Created attachment 503338 [details]
Patch
Ok, I digged this more. In fact, it was far far worse than I thought. The
code is stupid. It calls FcFontMatch() every other function...
I hacked up a patch together. It should improve things a lot. Can you test?
It's against qt master, but should apply to the fedora package just fine I
guess.
i will rebuilt qt with the patch for testing. thanks Behdad
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Ngo Than <than(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |ON_DEV
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11:24 a.m.
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--- Comment #27 from Ngo Than <than(a)redhat.com> 2011-06-07 12:24:38 EDT ---
could someone please test the new qt from
http://koji.fedoraproject.org/koji/taskinfo?taskID=3116903
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9:01 a.m.
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--- Comment #28 from Rex Dieter <rdieter(a)math.unl.edu> 2011-06-08 10:01:45 EDT ---
OK, initial testing is not so good. Most kde apps crash shortly after launch.
i tried konqueror, yakuake/konsole, konversation so far.
Here's a backtrace for konqueror,
Application: Konqueror (konqueror), signal: Aborted
82 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f5ca97b8840 (LWP 3034))]
Thread 3 (Thread 0x7f5c96885700 (LWP 3035)):
#0 pthread_cond_wait@(a)GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1 0x00007f5c98cd509a in WTF::TCMalloc_PageHeap::scavengerThread
(this=0x7f5c994da2a0) at wtf/FastMalloc.cpp:2378
#2 0x00007f5c98cd5189 in WTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at wtf/FastMalloc.cpp:1497
#3 0x00007f5ca8789af1 in start_thread (arg=0x7f5c96885700) at
pthread_create.c:305
#4 0x00007f5ca6e3dc2d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115
Thread 2 (Thread 0x7f5c95084700 (LWP 3040)):
#0 pthread_cond_timedwait@(a)GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:219
#1 0x00007f5ca8a1154e in wait (time=30000, this=0x2bded70) at
thread/qwaitcondition_unix.cpp:86
#2 QWaitCondition::wait (this=<optimized out>, mutex=0x2c02d40, time=30000) at
thread/qwaitcondition_unix.cpp:160
#3 0x00007f5ca8a05edf in QThreadPoolThread::run (this=0x2bd51c0) at
concurrent/qthreadpool.cpp:140
#4 0x00007f5ca8a11145 in QThreadPrivate::start (arg=0x2bd51c0) at
thread/qthread_unix.cpp:320
#5 0x00007f5ca8789af1 in start_thread (arg=0x7f5c95084700) at
pthread_create.c:305
#6 0x00007f5ca6e3dc2d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115
Thread 1 (Thread 0x7f5ca97b8840 (LWP 3034)):
[KCrash Handler]
#6 0x00007f5ca6d93285 in raise (sig=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7 0x00007f5ca6d94b9b in abort () at abort.c:93
#8 0x00007f5ca6dceb7e in __libc_message (do_abort=2, fmt=0x7f5ca6eba348 "***
glibc detected *** %s: %s: 0x%s ***\n") at
../sysdeps/unix/sysv/linux/libc_fatal.c:198
#9 0x00007f5ca6dd4fea in malloc_printerr (action=3, str=0x7f5ca6eb820d
"free(): invalid pointer", ptr=<optimized out>) at malloc.c:6283
#10 0x0000003f0ca18454 in FcValueListDestroy (l=0x7f5ca70f2438) at fcpat.c:153
#11 0x0000003f0ca1877f in IA__FcPatternDestroy (p=0x2d842d0) at fcpat.c:297
#12 IA__FcPatternDestroy (p=0x2d842d0) at fcpat.c:281
#13 0x00007f5ca7d24a0e in QFontEngineMultiFT::loadEngine (this=0x2c26670, at=1)
at text/qfontengine_x11.cpp:940
#14 0x00007f5ca7c61af5 in QFontEngineMulti::stringToCMap (this=0x2c26670,
str=0x7f5c941aa9e0, len=14, glyphs=0x7fff2803d978, nglyphs=0x7fff2803d15c,
flags=...) at text/qfontengine.cpp:1329
#15 0x00007f5ca7c729b0 in QFontMetrics::width (this=<optimized out>, text=...,
len=14, flags=<optimized out>) at text/qfontmetrics.cpp:551
#16 0x00007f5c989f326d in (anonymous namespace)::Font::floatWidthForSimpleText
(this=0x7f5c96046aa0, run=..., glyphBuffer=<optimized out>,
fallbackFonts=<optimized out>, glyphOverflow=<optimized out>) at
platform/graphics/qt/FontQt.cpp:218
#17 0x00007f5c98986b49 in (anonymous
namespace)::RenderMenuList::updateOptionsWidth (this=0x7f5c95fd2d58) at
rendering/RenderMenuList.cpp:154
#18 0x00007f5c98987515 in (anonymous
namespace)::RenderMenuList::updateFromElement (this=0x7f5c95fd2d58) at
rendering/RenderMenuList.cpp:169
#19 0x00007f5c986ab3c6 in (anonymous
namespace)::SelectElement::setSelectedIndex (data=..., element=0x7f5c95ffa900,
optionIndex=<optimized out>, deselect=true, fireOnChangeNow=false,
userDrivenChange=false) at dom/SelectElement.cpp:336
#20 0x00007f5c9878fc1c in (anonymous
namespace)::HTMLOptionElement::insertedIntoTree (this=0x7f5c960713c0,
deep=false) at html/HTMLOptionElement.cpp:248
#21 0x00007f5c986554e7 in (anonymous
namespace)::ContainerNode::insertedIntoDocument (this=0x7f5c960713c0) at
dom/ContainerNode.cpp:634
#22 0x00007f5c98678f92 in (anonymous namespace)::Element::insertedIntoDocument
(this=0x7f5c960713c0) at dom/Element.cpp:805
#23 0x00007f5c98655322 in (anonymous namespace)::ContainerNode::addChild
(this=0x7f5c95ffa900, newChild=...) at dom/ContainerNode.cpp:556
#24 0x00007f5c98797462 in (anonymous namespace)::HTMLParser::insertNode
(this=0x7f5c95fd6f30, n=0x7f5c960713c0, flat=false) at html/HTMLParser.cpp:370
#25 0x00007f5c98799a25 in insertNodeAfterLimitBlockDepth (flat=false,
n=0x7f5c960713c0, this=0x7f5c95fd6f30) at html/HTMLParser.cpp:227
#26 (anonymous namespace)::HTMLParser::parseToken (this=0x7f5c95fd6f30,
t=0x7f5c95fa1438) at html/HTMLParser.cpp:299
#27 0x00007f5c987ac454 in (anonymous namespace)::HTMLTokenizer::processToken
(this=0x7f5c95fa1400) at html/HTMLTokenizer.cpp:1949
#28 0x00007f5c987af320 in (anonymous namespace)::HTMLTokenizer::parseTag
(this=0x7f5c95fa1400, src=..., state=<optimized out>) at
html/HTMLTokenizer.cpp:1521
#29 0x00007f5c987b0d0e in (anonymous namespace)::HTMLTokenizer::write
(this=0x7f5c95fa1400, str=<optimized out>, appendData=<optimized out>) at
html/HTMLTokenizer.cpp:1772
#30 0x00007f5c987b15c8 in (anonymous
namespace)::HTMLTokenizer::executeExternalScriptsIfReady (this=0x7f5c95fa1400)
at html/HTMLTokenizer.cpp:2103
#31 0x00007f5c986712f9 in (anonymous namespace)::Document::removePendingSheet
(this=0x7f5c95f9fc00) at dom/Document.cpp:2534
#32 0x00007f5c98787e41 in (anonymous namespace)::HTMLLinkElement::sheetLoaded
(this=0x7f5c95f913c0) at html/HTMLLinkElement.cpp:329
#33 0x00007f5c98643bbd in (anonymous namespace)::CSSStyleSheet::checkLoaded
(this=0x7f5c95fcdd10) at css/CSSStyleSheet.cpp:213
#34 0x00007f5c987889a1 in (anonymous
namespace)::HTMLLinkElement::setCSSStyleSheet (this=0x7f5c95f913c0, href=...,
baseURL=..., charset=..., sheet=0x7f5c95fdb380) at html/HTMLLinkElement.cpp:314
#35 0x00007f5c987f1678 in (anonymous
namespace)::CachedCSSStyleSheet::checkNotify (this=0x7f5c95fdb380) at
loader/CachedCSSStyleSheet.cpp:116
#36 0x00007f5c987f182f in (anonymous namespace)::CachedCSSStyleSheet::data
(this=0x7f5c95fdb380, data=<optimized out>, allDataReceived=<optimized out>)
at
loader/CachedCSSStyleSheet.cpp:104
#37 0x00007f5c9882d832 in (anonymous namespace)::Loader::Host::didFinishLoading
(this=0x7f5c95fcdbb0, loader=0x7f5c96028600) at loader/loader.cpp:399
#38 0x00007f5c98845eca in (anonymous
namespace)::SubresourceLoader::didFinishLoading (this=0x7f5c96028600) at
loader/SubresourceLoader.cpp:184
#39 0x00007f5c98a0706e in (anonymous namespace)::QNetworkReplyHandler::finish
(this=0x2d854d0) at platform/network/qt/QNetworkReplyHandler.cpp:261
#40 0x00007f5c98a07934 in (anonymous
namespace)::QNetworkReplyHandler::qt_metacall (this=0x2d854d0,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff2803e600) at
.moc/release-shared/moc_QNetworkReplyHandler.cpp:84
#41 0x00007f5ca8b09eba in QMetaObject::activate (sender=0x2d85cd0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#42 0x0000003f11cbcfdb in KDEPrivate::AccessManagerReply::slotResult
(this=0x2d85cd0, kJob=0x2e1d800) at
/usr/src/debug/kdelibs-4.6.3/kio/kio/accessmanagerreply_p.cpp:319
#43 0x0000003f11cbd163 in KDEPrivate::AccessManagerReply::qt_metacall
(this=0x2d85cd0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>,
_a=0x7fff2803e7d0) at
/usr/src/debug/kdelibs-4.6.3/x86_64-redhat-linux-gnu/kio/accessmanagerreply_p.moc:84
#44 0x00007f5ca8b09eba in QMetaObject::activate (sender=0x2e1d800, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff2803e7d0) at
kernel/qobject.cpp:3278
#45 0x0000003f0f3396a2 in KJob::result (this=<optimized out>, _t1=0x2e1d800) at
/usr/src/debug/kdelibs-4.6.3/x86_64-redhat-linux-gnu/kdecore/kjob.moc:194
#46 0x0000003f0f3396e0 in KJob::emitResult (this=0x2e1d800) at
/usr/src/debug/kdelibs-4.6.3/kdecore/jobs/kjob.cpp:312
#47 0x0000003f11cf44a4 in KIO::SimpleJob::slotFinished (this=0x2e1d800) at
/usr/src/debug/kdelibs-4.6.3/kio/kio/job.cpp:525
#48 0x0000003f11cfde92 in KIO::TransferJob::slotFinished (this=0x2e1d800) at
/usr/src/debug/kdelibs-4.6.3/kio/kio/job.cpp:1112
#49 0x0000003f11cfa911 in KIO::TransferJob::qt_metacall (this=0x2e1d800,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff2803eba0) at
/usr/src/debug/kdelibs-4.6.3/x86_64-redhat-linux-gnu/kio/jobclasses.moc:367
#50 0x00007f5ca8b09eba in QMetaObject::activate (sender=0x2e1c590, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#51 0x0000003f11d9d7e1 in KIO::SlaveInterface::dispatch (this=<optimized out>,
_cmd=104, rawdata=...) at
/usr/src/debug/kdelibs-4.6.3/kio/kio/slaveinterface.cpp:173
#52 0x0000003f11d9a645 in KIO::SlaveInterface::dispatch (this=<optimized out>)
at /usr/src/debug/kdelibs-4.6.3/kio/kio/slaveinterface.cpp:89
#53 0x0000003f11d8ddee in KIO::Slave::gotInput (this=0x2e1c590) at
/usr/src/debug/kdelibs-4.6.3/kio/kio/slave.cpp:348
#54 0x0000003f11d8e43c in KIO::Slave::qt_metacall (this=0x2e1c590,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff2803efc0) at
/usr/src/debug/kdelibs-4.6.3/x86_64-redhat-linux-gnu/kio/slave.moc:82
#55 0x00007f5ca8b09eba in QMetaObject::activate (sender=0x2b6eab0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#56 0x0000003f11cc5c77 in dequeue (this=<optimized out>) at
/usr/src/debug/kdelibs-4.6.3/kio/kio/connection.cpp:82
#57 KIO::ConnectionPrivate::dequeue (this=0x2d923d0) at
/usr/src/debug/kdelibs-4.6.3/kio/kio/connection.cpp:71
#58 0x0000003f11cc5d1d in KIO::Connection::qt_metacall (this=0x2b6eab0,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x2e58b20) at
/usr/src/debug/kdelibs-4.6.3/x86_64-redhat-linux-gnu/kio/connection.moc:79
#59 0x00007f5ca8b0da7a in QObject::event (this=0x2b6eab0, e=<optimized out>) at
kernel/qobject.cpp:1217
#60 0x00007f5ca7a4e394 in notify_helper (e=0x2b11aa0, receiver=0x2b6eab0,
this=0x256f7f0) at kernel/qapplication.cpp:4462
#61 QApplicationPrivate::notify_helper (this=0x256f7f0, receiver=0x2b6eab0,
e=0x2b11aa0) at kernel/qapplication.cpp:4434
#62 0x00007f5ca7a53221 in QApplication::notify (this=0x7fff2803fb50,
receiver=0x2b6eab0, e=0x2b11aa0) at kernel/qapplication.cpp:4341
#63 0x0000003f0fe41806 in KApplication::notify (this=0x7fff2803fb50,
receiver=0x2b6eab0, event=0x2b11aa0) at
/usr/src/debug/kdelibs-4.6.3/kdeui/kernel/kapplication.cpp:311
#64 0x00007f5ca8af71ac in QCoreApplication::notifyInternal
(this=0x7fff2803fb50, receiver=0x2b6eab0, event=0x2b11aa0) at
kernel/qcoreapplication.cpp:731
#65 0x00007f5ca8afa774 in sendEvent (event=0x2b11aa0, receiver=0x2b6eab0) at
kernel/qcoreapplication.h:215
#66 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x254b210) at kernel/qcoreapplication.cpp:1372
#67 0x00007f5ca8b218b3 in sendPostedEvents () at kernel/qcoreapplication.h:220
#68 postEventSourceDispatch (s=0x2574e80) at
kernel/qeventdispatcher_glib.cpp:277
#69 0x00007f5ca625e7ed in g_main_dispatch (context=0x25740e0) at gmain.c:2441
#70 g_main_context_dispatch (context=0x25740e0) at gmain.c:3014
#71 0x00007f5ca625efc8 in g_main_context_iterate (context=0x25740e0,
block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3092
#72 0x00007f5ca625f25c in g_main_context_iteration (context=0x25740e0,
may_block=1) at gmain.c:3155
#73 0x00007f5ca8b21d0f in QEventDispatcherGlib::processEvents (this=0x254c900,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#74 0x00007f5ca7af0f2e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=<optimized out>) at
kernel/qguieventdispatcher_glib.cpp:207
#75 0x00007f5ca8af66c2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#76 0x00007f5ca8af68bf in QEventLoop::exec (this=0x7fff2803f9a0, flags=...) at
kernel/qeventloop.cpp:201
#77 0x00007f5ca8afaa07 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1008
#78 0x0000003f12eb38c2 in kdemain (argc=<optimized out>, argv=<optimized
out>)
at /usr/src/debug/kdebase-4.6.3/konqueror/src/konqmain.cpp:219
#79 0x00007f5ca6d7f39d in __libc_start_main (main=0x4007b0 <main(int, char**)>,
argc=2, ubp_av=0x7fff280403e8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff280403d8) at libc-start.c:226
#80 0x00000000004007e1 in _start ()
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9:14 a.m.
New subject: [Bug 705348] Lohit fonts accidentally disable the bytecode interpreter for Qt
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--- Comment #29 from Behdad Esfahbod <behdad(a)fedoraproject.org> 2011-06-08 10:14:03
EDT ---
I didn't mean the patch to be really used to testing, more like a starting
point for a Qt hacker to get started fixing the issue. However, since seems
like no one is willing to do that, I'll take a deeper look today to cleanup
object lifecycle management and hopefully turn this into a useful patch. I'm
contacting Simon Hausmann and Lars Knoll right now, but I doubt that either one
has time/interest to look into cleaning this up. :(
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10:03 a.m.
New subject: [Bug 705348] Lohit fonts accidentally disable the bytecode interpreter for Qt
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--- Comment #30 from Rex Dieter <rdieter(a)math.unl.edu> 2011-06-08 11:03:23 EDT ---
OK, we all appreciate the efforts so far.
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9:41 a.m.
New subject: [Bug 705348] Lohit fonts accidentally disable the bytecode interpreter for Qt
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Rex Dieter <rdieter(a)math.unl.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ON_DEV |ASSIGNED
Alias| |qtfontconfig
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9:42 a.m.
New subject: [Bug 705348] Lohit fonts accidentally disable the bytecode interpreter for Qt
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--- Comment #31 from Rex Dieter <rdieter(a)math.unl.edu> 2011-06-13 10:42:19 EDT ---
I'll work to upstream this today
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10:52 a.m.
New subject: [Bug 705348] Lohit fonts accidentally disable the bytecode interpreter for Qt
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--- Comment #32 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-06-13 11:52:37 EDT
---
OK, but please make sure upstream knows that the current version of the patch
doesn't work as is.
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12:22 p.m.
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--- Comment #33 from Behdad Esfahbod <behdad(a)fedoraproject.org> 2011-06-13 13:22:38
EDT ---
Leave us the link to the upstream report please.
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2:51 p.m.
New subject: [Bug 705348] Lohit fonts accidentally disable the bytecode interpreter for Qt
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--- Comment #34 from Rex Dieter <rdieter(a)math.unl.edu> 2011-06-13 15:51:53 EDT ---
Upstream report,
http://bugreports.qt.nokia.com/browse/QTBUG-19846
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11:10 a.m.
New subject: [Bug 705348] qt: per-font autohint fontconfig directives globally disable the bytecode interpreter
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Rex Dieter <rdieter(a)math.unl.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Lohit fonts accidentally |qt: per-font autohint
|disable the bytecode |fontconfig directives
|interpreter for Qt |globally disable the
| |bytecode interpreter
--- Comment #35 from Rex Dieter <rdieter(a)math.unl.edu> 2011-06-14 12:10:02 EDT ---
updating summary
fyi, upstream closed my initial report, largely (it seems) because I was a bit
too brief. I added a comment in an attempt to be a bit more verbose, and will
open a new bug when/if that's not acted on quickly.
In the meantime, than will poke some other trolls to take a look at it.
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1:59 p.m.
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--- Comment #36 from Behdad Esfahbod <behdad(a)fedoraproject.org> 2011-06-14 14:58:58
EDT ---
Saw that. I'll try to give it another go this week.
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9:31 a.m.
New subject: [Bug 705348] qt: per-font autohint fontconfig directives globally disable the bytecode interpreter
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--- Comment #37 from Rex Dieter <rdieter(a)math.unl.edu> 2011-06-17 10:31:06 EDT ---
OK, one more try,
http://bugreports.qt.nokia.com/browse/QTBUG-19947
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9:24 a.m.
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Rex Dieter <rdieter(a)math.unl.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #503338|0 |1
is obsolete| |
--- Comment #38 from Rex Dieter <rdieter(a)math.unl.edu> 2011-06-20 10:24:41 EDT ---
Created attachment 505624
--> https://bugzilla.redhat.com/attachment.cgi?id=505624
upstream fix for QTBUG-19947
Progress! here's an updated patch upstream is currently testing.
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10:15 a.m.
New subject: [Bug 705348] qt: per-font autohint fontconfig directives globally disable the bytecode interpreter
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Rex Dieter <rdieter(a)math.unl.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
External Bug ID| |Qt Bug Tracker 19947
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12:28 p.m.
New subject: [Bug 705348] qt: per-font autohint fontconfig directives globally disable the bytecode interpreter
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--- Comment #39 from Rex Dieter <rdieter(a)math.unl.edu> 2011-06-20 13:28:20 EDT ---
Created attachment 505665
--> https://bugzilla.redhat.com/attachment.cgi?id=505665
konqueror still crashes
Better, but konq still crashes. :( kcrash attached.
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9:52 a.m.
New subject: [Bug 705348] qt: per-font autohint fontconfig directives globally disable the bytecode interpreter
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Rex Dieter <rdieter(a)math.unl.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #505624|0 |1
is obsolete| |
--- Comment #40 from Rex Dieter <rdieter(a)math.unl.edu> 2011-06-21 10:52:43 EDT ---
Created attachment 505846
--> https://bugzilla.redhat.com/attachment.cgi?id=505846
upstream fix for QTBUG-19947
Updated patch from upstream, this one looks like a winner.
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12:32 p.m.
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Fedora Update System <updates(a)fedoraproject.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |MODIFIED
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12:32 p.m.
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--- Comment #41 from Fedora Update System <updates(a)fedoraproject.org> 2011-06-22
13:32:24 EDT ---
qt-4.7.3-6.fc15 has been submitted as an update for Fedora 15.
https://admin.fedoraproject.org/updates/qt-4.7.3-6.fc15
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10:36 p.m.
New subject: [Bug 705348] qt: per-font autohint fontconfig directives globally disable the bytecode interpreter
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Fedora Update System <updates(a)fedoraproject.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|MODIFIED |ON_QA
--- Comment #42 from Fedora Update System <updates(a)fedoraproject.org> 2011-06-23
23:36:06 EDT ---
Package qt-4.7.3-6.fc15:
* should fix your issue,
* was pushed to the Fedora 15 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing qt-4.7.3-6.fc15'
as soon as you are able to.
Please go to the following url:
https://admin.fedoraproject.org/updates/qt-4.7.3-6.fc15
then log in and leave karma (feedback).
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11:02 a.m.
New subject: [Bug 705348] qt: per-font autohint fontconfig directives globally disable the bytecode interpreter
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--- Comment #43 from Fedora Update System <updates(a)fedoraproject.org> 2011-06-24
12:02:38 EDT ---
qt-4.7.3-6.fc14 has been submitted as an update for Fedora 14.
https://admin.fedoraproject.org/updates/qt-4.7.3-6.fc14
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1:04 p.m.
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--- Comment #44 from Fedora Update System <updates(a)fedoraproject.org> 2011-07-08
14:04:46 EDT ---
qt-4.7.3-6.fc15 has been pushed to the Fedora 15 stable repository. If
problems still persist, please make note of it in this bug report.
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1:04 p.m.
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Fedora Update System <updates(a)fedoraproject.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ON_QA |CLOSED
Fixed In Version| |qt-4.7.3-6.fc15
Resolution| |ERRATA
Last Closed| |2011-07-08 14:04:56
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1:07 p.m.
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--- Comment #45 from Fedora Update System <updates(a)fedoraproject.org> 2011-07-08
14:07:32 EDT ---
qt-4.7.3-6.fc14 has been pushed to the Fedora 14 stable repository. If
problems still persist, please make note of it in this bug report.
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10:11 p.m.
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Alexei Podtelezhnikov <apodtele(a)ucsd.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |apodtele(a)ucsd.edu
--- Comment #46 from Alexei Podtelezhnikov <apodtele(a)ucsd.edu> 2011-07-08 23:11:17
EDT ---
Qt's weakest link, IMHO. Qt font problems have been around for years!
See bug 355271, for example.
THIS IS A BIG DEAL. THANK YOU.
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3:51 p.m.
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--- Comment #47 from Kevin Kofler <kevin(a)tigcc.ticalc.org> 2011-07-10 16:51:00 EDT
---
Uh, we just fixed this particular bug, so what are you complaining about?
As for bug #355271, AFAICT, that too has been fixed eons ago, I noticed
Konqueror starting to use Liberation fonts for stuff asking for Times New Roman
or Arial several releases ago.
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7:20 p.m.
New subject: [Bug 705348] qt: per-font autohint fontconfig directives globally disable the bytecode interpreter
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Red Hat Bugzilla <bugzilla(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
External Bug ID|Qt Bug Tracker 19947 |
--- Comment #48 from Red Hat Bugzilla <bugzilla(a)redhat.com> ---
Removing external tracker bug with the id '19947' as it is not valid for this
tracker
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