[webkit-dev] Safari and complex script rendering

[Sherif]

Thank you guys for your comments.
There is a software in the market that installs an edited version of the 
webcore that makes such letter shaping but its very expensive.
Please find the attached code, i would like to embed it some where when 
the html page is loaded to shape the words together.
It would be greate if somebody guys can point me to the correct function 
to plug the code in.

regards,
Sherif




Maciej Stachowiak wrote:
> On Sep 28, 2008, at 1:15 AM, Paul Pedriana wrote:
>
>   
>>>> ... this is not a WebCore issue, so there is nothing you can do
>>>>         
>> in WebCore to fix it.
>>
>> When I look at WebCore's WidthIterator::advance function, it doesn't
>> seem to me to be savvy to complex script. It looks to me like it walks
>> through a Unicode string and replaces character clusters with  
>> individual
>> glyphs. This approach works for most scripts but not complex scripts
>> such as Arabic and Devanagari. The problem, as you may well be  
>> aware, is
>> that there are many OpenType-directed substitutions, ligations, and
>> "un-ligations." This is unrelated to Arabic's RTL nature unrelated to
>> simply contextual alternates resulting from cursiveness. It seems to  
>> me
>> that complex script would have to be supported by something other than
>> WidthIterator::advance (is it?).
>>
>> If WebCore (or WebKit in general) supports complex script correctly  
>> then
>> I wonder what I am missing regarding the above statements.
>>     
>
> WebKit on Mac and Windows (and perhaps other ports, haven't tested)  
> supports complex scripts such as Arabic. But not (currently) the  
> iPhone port.
>
> Regards,
> Maciej
>
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>   

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