Ligature Support for Arabic in SVG

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Ligature Support for Arabic in SVG

by jdperkins1 :: Rate this Message:

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Has anyone cracked the code on how to properly do the glyph
substitution for arabic characters that should be joined with
ligatures in SVG ?

A code sample would be awesome if anyone has figured out how to do this

thanx
JP





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Re: Ligature Support for Arabic in SVG

by Chris Lilley :: Rate this Message:

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On Tuesday, December 6, 2005, 4:00:07 PM, jdperkins1 wrote:

j> Has anyone cracked the code on how to properly do the glyph
j> substitution for arabic characters that should be joined with
j> ligatures in SVG ?

You just type the unicode characters for arabic and the
contextual shaping and ligature formation happens automatically. There is
no "code" to crack.


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 Co-Chair, W3C Hypertext CG



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RE: Ligature Support for Arabic in SVG

by jdperkins1 :: Rate this Message:

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Thanx Chris but we are passing UTF-8 characters to SVG from C#  and the
ligatures are not showing up.
 
I will try to get an example
thanx a mill
JP

Jeff Perkins
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From: svg-developers@... [mailto:svg-developers@...]
On Behalf Of Chris Lilley
Sent: Tuesday, December 06, 2005 12:43 PM
To: jdperkins1
Cc: svg-developers@...
Subject: Re: [svg-developers] Ligature Support for Arabic in SVG


On Tuesday, December 6, 2005, 4:00:07 PM, jdperkins1 wrote:

j> Has anyone cracked the code on how to properly do the glyph
j> substitution for arabic characters that should be joined with
j> ligatures in SVG ?

You just type the unicode characters for arabic and the
contextual shaping and ligature formation happens automatically. There is
no "code" to crack.


--
Chris Lilley                    mailto:chris@...
Chair, W3C SVG Working Group
W3C Graphics Activity Lead
Co-Chair, W3C Hypertext CG



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Parent Message unknown Re: Ligature Support for Arabic in SVG

by Chris Lilley :: Rate this Message:

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On Tuesday, December 6, 2005, 8:59:20 PM, Jeff wrote:

JP> Thanx Chris but we are passing UTF-8 characters to SVG from C#  and the
JP> ligatures are not showing up.

In which implementation?



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RE: Ligature Support for Arabic in SVG

by Doug Schepers :: Rate this Message:

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Hi, Jeff-

This may be a dumb question, but are you sure that the font you are using
*has* ligatures? Is it a system font, or an SVG Font? Ligatures are not
automagic, the font itself must have glyphs for the ligatures.

Regards-
Doug
 

Chris Lilley wrote:
|
| On Tuesday, December 6, 2005, 8:59:20 PM, Jeff wrote:
|
| JP> Thanx Chris but we are passing UTF-8 characters to SVG
| from C#  and
| JP> the ligatures are not showing up.
|
| In which implementation?
|
|
|



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Re: Ligature Support for Arabic in SVG

by A.M.Shourbagui :: Rate this Message:

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hey mate...it is not done through code it is done
through certain procedures:
1- The text wrote in arabic must be wrote under the
arabic chracter set coding nametag.
2-the operating system used in authoring should at
least support arabic like xp arabic enabled or
mandriva installed with arabic support etc...
3- the typeface too is an issue some arabic fonts wont
work ..
finally ofcourse a browser with arabic encoding...
hope i helped..in one way or the other...good luck
kojo..

--- jdperkins1 <jperkins@...> wrote:

> Has anyone cracked the code on how to properly do
> the glyph
> substitution for arabic characters that should be
> joined with
> ligatures in SVG ?
>
> A code sample would be awesome if anyone has figured
> out how to do this
>
> thanx
> JP
>
>
>
>


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Re: Ligature Support for Arabic in SVG

by Chris Lilley :: Rate this Message:

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On Saturday, December 10, 2005, 10:10:50 PM, A.M.Shourbagui wrote:

AMS> hey mate...it is not done through code it is done
AMS> through certain procedures:
AMS> 1- The text wrote in arabic must be wrote under the
AMS> arabic chracter set coding nametag.
That is not necessary (or even desirable)

AMS> 2-the operating system used in authoring should at
AMS> least support arabic like xp arabic enabled or
AMS> mandriva installed with arabic support etc...
that depends on how much os support the svg implementation uses

AMS> 3- the typeface too is an issue some arabic fonts wont
AMS> work ..
Yes, some sort of font is needed. Oddly some fonts, that use advanced
opentype features, do not seem to work well. I am not sure why.

AMS> finally ofcourse a browser with arabic encoding...
?meaning what?

AMS> hope i helped..in one way or the other...good luck
AMS> kojo..

AMS> --- jdperkins1 <jperkins@...> wrote:

>> Has anyone cracked the code on how to properly do
>> the glyph
>> substitution for arabic characters that should be
>> joined with
>> ligatures in SVG ?
>>
>> A code sample would be awesome if anyone has figured
>> out how to do this
>>
>> thanx
>> JP
>>
>>
>>
>>


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AMS> Yahoo! Groups Links



AMS>  





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Re: Ligature Support for Arabic in SVG

by kkoo :: Rate this Message:

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Hi Chris,

I got the same problem as well.
The contextual shaping and ligature didn't happen.  
I see it displays character by character.  Is there some kind of SVG attribute that I need to set in order to see the characters "link" together?

I have tried displaying the same word under HTML and it shows nicely.

Thanks
Karson

Re: Ligature Support for Arabic in SVG

by thomas.deweese :: Rate this Message:

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Hi Karson,

svg-developers@... wrote on 02/23/2006 01:05:49 PM:

> I got the same problem as well.
> The contextual shaping and ligature didn't happen.
> I see it displays character by character.  Is there some kind of SVG
> attribute that I need to set in order to see the characters "link"
together?

   I think the implementation is the key here.  I am told that
Batik's handling of Arabic is excellent (
http://xmlgraphics.apache.org/batik/),
so you might try it and see if the text displays properly.

> I have tried displaying the same word under HTML and it shows nicely.



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Re: Ligature Support for Arabic in SVG

by kkoo :: Rate this Message:

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Yes, it worked.. so the problem is Adobe SVG Viewer.
Too bad that Batik it's not a plugin for IE browser ...
thanks