Hi,

Please let me how to implement the arabic character support in FOP 0.20.5. I
am able to view the arabic characters by giving the arabic unicode in the
input FO. But still the way displaying content is not right to left. Please
help me how to implement the writing direction in FOP0.20.5

Regards,
Vinesh Kumar. D 



Bugzilla from bugzi...@apache.org wrote:
> 
> https://issues.apache.org/bugzilla/show_bug.cgi?id=32789
> 
> Vincent Hennebert <vhenneb...@gmail.com> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>           Component|pdf                         |page-master/layout
>            Platform|PC                          |All
>             Version|0.20.5                      |all
>             Summary|Arabic words are broken for |[PATCH] Arabic Shaping
> not
>                    |rendering PDF from FOP      |Supported by FOP
>          OS/Version|Windows 2000                |All
>            Severity|critical                    |normal
> 
> --- Comment #7 from Vincent Hennebert <vhenneb...@gmail.com> 2010-02-08
> 04:13:10 UTC ---
> Hi,
> 
> Thanks for your patch. Do you have an example FO file that could be used
> for
> testing purpose (even better, with an English translation)?
> 
> IIUC, Arabic shaping is about replacing glyphs for standalone letters with
> suitable ligature glyphs for building words. Surely that affects character
> widths, so line breaking decisions? In the patch, shaping is performed at
> the
> rendering stage, so isn't there a danger of getting inconsistent results?
> 
> Also, IIC Arabic shaping affects glyphs selection. How do you make sure
> that
> the right glyphs are being embedded in the PDF file?
> 
> The same piece of code is duplicated in the PCL and PDF painters. The same
> would probably also need to be done for other painters. This is not
> desirable.
> 
> Finally, what is the impact on performance? It looks like shaping will be
> applied to just any text, even non-arabic one.
> 
> Thanks,
> Vincent
> 
> 
> (In reply to comment #3)
>> Created an attachment (id=24934)
>  --> (https://issues.apache.org/bugzilla/attachment.cgi?id=24934)
> [details]
>> Support for Arabic PDF rendering using ICU4J
>> 
>> This patch uses ICU4J to do form-shaping and BIDI transformation of
>> rendered
>> text.  It is a patch for the FOP trunk.   It does not change the layout
>> manager
>> or the area tree handler or allow a writing-mode other than “lr-tb”.  
>> For this
>> patch to be integrated with FOP, FOP would need to distribute the ICU4J
>> library
>> - icu4j-4_2_1.jar.   It affects both PDF and PCL rendering but has only
>> been
>> tested with PDF rendering.  So far results of testing with PDF rendering
>> have
>> been positive.  The PCL aspect of the patch looks correct given that the
>> PDF
>> aspect works.
> 
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