Re: [Ankur-core] bugs in pango

2007-04-09 Thread Runa B
Sayamindu Dasgupta wrote:
 On 4/6/07, Deepayan Sarkar [EMAIL PROTECTED] wrote:
   
 Hi,

 I have recently noticed a fairly bad bug in Pango w.r.t. the handling
 of ZWNJ; in fact I'm surprised no one has mentioned it before. Anyway,
 I've put up a test page with screenshots at

 snipped
 

 QT 4.2.3 seems to have the bug fixed, as Khanda-ta is defined as a consonant.
   
question for Deepayan: whats the qt version used.
tia
runa

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Re: [Ankur-core] bugs in pango

2007-04-08 Thread Sayamindu Dasgupta
On 4/6/07, Deepayan Sarkar [EMAIL PROTECTED] wrote:
 Hi,

 I have recently noticed a fairly bad bug in Pango w.r.t. the handling
 of ZWNJ; in fact I'm surprised no one has mentioned it before. Anyway,
 I've put up a test page with screenshots at

 http://bengalionline.net/rendering-bugs/rendering-bugs.html

 Could someone confirm the behaviour I see and file an appropriate bug
 report for Pango? I will follow up on the Qt stuff myself. It would be
 nice if someone could also look into openoffice, but it has bigger
 problems than this (which I'm happy to discuss if anyone's
 interested).

Came up with patches for all the pango issues (except for ঝন্‌ঝন্‌ -
which seems to work for me).
ভর্ৎসনা --- bug #427584
আন্‌দোলন -- bug #427667

While doing all these, I also came up with a patch to fix the
ra-jafala issue - this has been there for too long and needs to be
squashed :-). The relevant bug id is #427611

Next in line - to not allow Pango to combine khanda ta/a/e with vowel signs.

All the bug reports have patches against Pango 1.16.x (SVN). Please
test them if possible.

Thanks,
Sayamindu


PS: Once these are fixed and integrated in Pango, I'll take up ICU and
tackle OpenOffice.org

--
Sayamindu Dasgupta
[http://sayamindu.randomink.org/ramblings]
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Re: [Ankur-core] bugs in pango

2007-04-08 Thread Deepayan Sarkar
On 4/8/07, Sayamindu Dasgupta [EMAIL PROTECTED] wrote:
 On 4/6/07, Deepayan Sarkar [EMAIL PROTECTED] wrote:
  Hi,
 
  I have recently noticed a fairly bad bug in Pango w.r.t. the handling
  of ZWNJ; in fact I'm surprised no one has mentioned it before. Anyway,
  I've put up a test page with screenshots at
 
  http://bengalionline.net/rendering-bugs/rendering-bugs.html
 

 Deepayan - could you take a look at the latest Pango from svn and
 confirm if ঝন্ঝন্ is still there. I can't seem to reproduce that.

I'll take your word for it (I don't have time to test). For the
record, I was going to say that replacing ZWNJ by ZWNJ ZWJ seemed to
fix the rendering, so that could have been a quick and dirty solution.

  Could someone confirm the behaviour I see and file an appropriate bug
  report for Pango? I will follow up on the Qt stuff myself. It would be
  nice if someone could also look into openoffice, but it has bigger
  problems than this (which I'm happy to discuss if anyone's
  interested).

 OOo is confusing for me. ...anyway - what are the problems ?

Look at

http://dsarkar.fhcrc.org/bn/sumo.bn.pdf

which is obtained by

1. wget http://bengalionline.net/Archive/Rabindranath/Poetry/sumo.bn.html
2. remove first line because OOo doesn't understand XHTML
3. open with OOo and export to PDF

I get weird placement of some glyphs in a systematic but hard to
describe manner. This is with Jamrul, and I haven't tested with other
fonts (which is why I didn't want to bring this up yet).

PDF exporting isn't the issue, I see the same problem inside OOo, I
just posted the PDF as something invariant. If not for this issue, OOo
would be ideal for creating PDF files for the archive (it can even be
scripted using UNO).

-Deepayan
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Re: [Ankur-core] bugs in pango

2007-04-08 Thread Sayamindu Dasgupta
On 4/6/07, Deepayan Sarkar [EMAIL PROTECTED] wrote:
 Hi,

 I have recently noticed a fairly bad bug in Pango w.r.t. the handling
 of ZWNJ; in fact I'm surprised no one has mentioned it before. Anyway,
 I've put up a test page with screenshots at

 http://bengalionline.net/rendering-bugs/rendering-bugs.html

 Could someone confirm the behaviour I see and file an appropriate bug
 report for Pango? I will follow up on the Qt stuff myself. It would be
 nice if someone could also look into openoffice, but it has bigger
 problems than this (which I'm happy to discuss if anyone's
 interested).

QT 4.2.3 seems to have the bug fixed, as Khanda-ta is defined as a consonant.
-sdg-


--
Sayamindu Dasgupta
[http://sayamindu.randomink.org/ramblings]

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Re: [Ankur-core] bugs in pango

2007-04-05 Thread Sayamindu Dasgupta
On 4/6/07, Deepayan Sarkar [EMAIL PROTECTED] wrote:
 Hi,

 I have recently noticed a fairly bad bug in Pango w.r.t. the handling
 of ZWNJ; in fact I'm surprised no one has mentioned it before. Anyway,
 I've put up a test page with screenshots at

 http://bengalionline.net/rendering-bugs/rendering-bugs.html

 Could someone confirm the behaviour I see and file an appropriate bug
 report for Pango? I will follow up on the Qt stuff myself. It would be
 nice if someone could also look into openoffice, but it has bigger
 problems than this (which I'm happy to discuss if anyone's
 interested).

Fixed the first issue - khanda-ta related in Pango. The fix should be
similar in QT/ICU (dunno abt Uniscribe). Too sleepy to file a bug atm
- will do so tomorrow.

http://sayamindu.randomink.org/misc/pango_bhartsana.diff
http://sayamindu.randomink.org/misc/pango_bhartsana.png

Looking into the other issues - they are more complicated and have
been there for a long time :-(.

-sdg-



 --
Sayamindu Dasgupta
[http://sayamindu.randomink.org/ramblings]

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