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--- Comment #1 from Ani Peter apeter@redhat.com 2009-10-12 10:53:54 EDT --- Created an attachment (id=364475) --> (https://bugzilla.redhat.com/attachment.cgi?id=364475) Screenshot for Meera on gedit, kwrite and oowriter (correct)

Done some testing on the bug and following are the observations: 1. the issue with cons + virama + ra (ie, cons + 0D4D + 0D30) exists only with Lohit Malayalam 2. Lohit Malayalam works perfect with Gedit (pango), but has issues in Kwrite (Qt) and oowriter (icu). 3. As Lohit Malayalam is a new script font, tested with another new script font - Raghu Malayalam and confirmed that the issue exists only with Lohit Malayalam. Please find attached the screenshots of Meera (traditional script font), Lohit Malayalam and Raghu Malayalam (both new script fonts) on gedit, oowriter and kwrite. Have mentioned the versions of the rendering engine on screenshots.

Following are the words used for rendering: 1. പ്രാധാന്യം 2. സുപ്രഭാതം 3. അക്രമം 4. സൂത്രം

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--- Comment #3 from Ani Peter apeter@redhat.com 2009-10-12 10:56:07 EDT --- Created an attachment (id=364477) --> (https://bugzilla.redhat.com/attachment.cgi?id=364477) Screenshot for Raghu Malayalam on gedit, kwrite and oowriter (correct)

Raghu Malayalam works correctly on gedit, kwrite and oowriter.

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Ani Peter apeter@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |apeter@redhat.com

--- Comment #4 from Ani Peter apeter@redhat.com 2009-10-14 02:55:43 EDT --- I have done testing with two more new script fonts - Kalyani and Samyak Malayalam These fonts also face similar problems in qt, icu and works perfect with gedit. Screenshots attached.

Conclusion: 1. The problem reported in this bug is about Lohit Malayalam with KDE (qt) 2. The same problem exists for Lohit Malayalam with oowriter (icu) 3. Two other fonts - (i) Samyak Malayalam and (ii) Kalyani also has similar issue with both qt and icu

Hence please advise how to go about with this bug and against which components above bugs should be filed.

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--- Comment #6 from Ani Peter apeter@redhat.com 2009-10-14 02:57:07 EDT --- Created an attachment (id=364703) --> (https://bugzilla.redhat.com/attachment.cgi?id=364703) Screenshot for Samyak Malayalam on gedit, kwrite and oowriter

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--- Comment #8 from Nicolas Mailhot nicolas.mailhot@laposte.net 2009-10-14 03:46:08 EDT --- (In reply to comment #4)

Hence please advise how to go about with this bug and against which components above bugs should be filed.

Please open a qt or kde bug (here and upstream) and an OO.o but (here and upstream) cc-ing fedora-fonts-bugs-list at redhat.com

You should also test java (jedit) as it's the third major component that tends to have text rendering problems.

(it would of course be interesting to find a workaround in lohit, but when 3 different fonts fail the same way, that means the text libraries have a big problem)

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--- Comment #10 from Ani Peter apeter@redhat.com 2009-10-14 07:13:24 EDT --- Based on all discussions, I understand the issue is with the rendering engines. Hence, (i) changing the component of this bug to Qt (ii) changing summary accordingly and (iii) opening another bug for icu.

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Suresh P psuresh@gmx.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |psuresh@gmx.com

--- Comment #11 from Suresh P psuresh@gmx.com 2009-10-20 06:24:31 EDT --- I have prepared a lookup table for Lohit Malayalam which can sort out some issues connected with xRA forms which can be merged with feature info of the font. The remaining things are related to the incorrectly substituted post-base RA form for bases like LA,YA,LLA etc. There is no xRA forms for these consonants as per the orthography. Re-ordering the RA form as pre-base makes the text readable even though it goes against orthographic rules. But Harfbuzz and ICU are not doing this. These issues can be solved if the new version of Opentype specs are implemented correctly.

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--- Comment #13 from Ani Peter apeter@redhat.com 2009-10-20 13:33:02 EDT --- Have filed Bug 529905 reporting the same issue with icu. Will test in jedit asap and do the needful. thanks

(In reply to comment #8)

(In reply to comment #4)

...

Hence please advise how to go about with this bug and against which components above bugs should be filed.

Please open a qt or kde bug (here and upstream) and an OO.o but (here and upstream) cc-ing fedora-fonts-bugs-list at redhat.com

You should also test java (jedit) as it's the third major component that tends to have text rendering problems.

(it would of course be interesting to find a workaround in lohit, but when 3 different fonts fail the same way, that means the text libraries have a big problem)

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A S Alam aalam@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |aalam@redhat.com Component|qt |lohit-malayalam-fonts AssignedTo|than@redhat.com |psatpute@redhat.com

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Praveen Arimbrathodiyil parimbra@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |parimbra@redhat.com

--- Comment #16 from Praveen Arimbrathodiyil parimbra@redhat.com 2010-05-24 07:39:49 EDT --- Rajeesh has prepared a patch for this and submitted to qt upstream

http://bugreports.qt.nokia.com/browse/QTBUG-1887

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--- Comment #17 from Bug Zapper fedora-triage-list@redhat.com 2010-11-04 05:32:01 EDT ---

This message is a reminder that Fedora 12 is nearing its end of life. Approximately 30 (thirty) days from now Fedora will stop maintaining and issuing updates for Fedora 12. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as WONTFIX if it remains open with a Fedora 'version' of '12'.

Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version prior to Fedora 12's end of life.

Bug Reporter: Thank you for reporting this issue and we are sorry that we may not be able to fix it before Fedora 12 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora please change the 'version' of this bug to the applicable version. If you are unable to change the version, please add a comment here and someone will do it for you.

Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.

The process we are following is described here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping

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Praveen Arimbrathodiyil parimbra@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Flag|needinfo?(santhosh.thotting | |al@gmail.com) |

--- Comment #19 from Praveen Arimbrathodiyil parimbra@redhat.com 2010-11-16 09:29:43 EST --- There was some activity on this bug in upstream bug tracker. The changes are proposed to be included in qt 4.7.2. We have test the upstream version to confirm if the fixes are included.

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--- Comment #21 from Rajeesh rajeeshknambiar@gmail.com 2010-11-19 12:23:55 EST --- Created attachment 461606 --> https://bugzilla.redhat.com/attachment.cgi?id=461606 Patch fixing Malayalam Ra-kar rendering

Patch is attached.

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Ngo Than than@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ON_DEV Flag|needinfo?(than@redhat.com), | |needinfo?(than@redhat.com) |

--- Comment #23 from Ngo Than than@redhat.com 2010-11-22 06:19:19 EST --- i will rebuild qt-4.7.1 with this patch for f14 and rawhide today. thanks for the patch

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--- Comment #24 from Fedora Update System updates@fedoraproject.org 2010-11-23 10:08:17 EST --- qt-4.7.1-2.fc14 has been submitted as an update for Fedora 14. https://admin.fedoraproject.org/updates/qt-4.7.1-2.fc14

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Fedora Update System updates@fedoraproject.org changed:

What |Removed |Added ---------------------------------------------------------------------------- Status|ON_QA |MODIFIED

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--- Comment #27 from Ani Peter apeter@redhat.com 2010-11-26 07:01:57 EST --- Created attachment 463067 --> https://bugzilla.redhat.com/attachment.cgi?id=463067 Screen shot for kwrite with correct rendering

Tested from f14 testing repo. The rendering is perfect now. Thanks once again for the patch Rajeesh.

Than, thanks to you too for all the help.

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Fedora Update System updates@fedoraproject.org changed:

What |Removed |Added ---------------------------------------------------------------------------- Status|ON_QA |CLOSED Fixed In Version| |qt-4.7.1-3.fc14 Resolution| |ERRATA Last Closed| |2010-11-28 15:43:01

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Rex Dieter rdieter@math.unl.edu changed:

What |Removed |Added ---------------------------------------------------------------------------- External Bug ID| |Qt Bug Tracker QTBUG-1887