Re: [ft] Glyph issue in freetype 2.3.10

[Manoj Kumar Bhatta]

> 1) how many prebuilt libraries in your DirectFB/GTK?
>   a) all are prebuilt by external developer (e.g. some Linux distributors)
>   b) all, except of freetype-2.3.10
>   c) all, except of previous freetype-2.3.9 & current 2.3.10.
>   d) other combinations


We have built all the libraries from its source.( including DirectFB
to freetype)
We built freetype 2.3.9 and freetype 2.3.10 to check the issue.

> 2) how did you update freetype?
>   a) by package manager (apt-get, yum, etc etc), updated unexpectedly
>   b) by package manager, manually specified
>   c) manually installation (e.g. ./configure && make && make install)
>   d) other

We configure and build all the sources. ( c) manually installation
(e.g. ./configure && make && make install))


Please find attached error.png [Broken ] and working.png [ Actual ].

Regards,
Manoj

On Fri, Nov 26, 2010 at 5:05 PM,  <address@hidden> wrote:
> Hi,
>
> On Fri, 26 Nov 2010 16:49:27 +0530
> Manoj Kumar Bhatta <address@hidden> wrote:
>>I have used freetype 2.3.9 to display Indic/arabic language using gtk.
>>It displays correctly with its contextual interpretation.
>>But when I changed to freetype-2.3.10, I can see only original form of
>>each glyph, thus without any contextual
>>interpretation.
>>My environment is DirectFB/GTK.
>>
>>Can anyone suggest what can be the issue ?
>
> Umm, it's not easy for me to setup DirectFB/GTK environment
> soon, so please let me know more detail about your trouble.
>
> 1) how many prebuilt libraries in your DirectFB/GTK?
>   a) all are prebuilt by external developer (e.g. some Linux distributors)
>   b) all, except of freetype-2.3.10
>   c) all, except of previous freetype-2.3.9 & current 2.3.10.
>   d) other combinations
>
> 2) how did you update freetype?
>   a) by package manager (apt-get, yum, etc etc), updated unexpectedly
>   b) by package manager, manually specified
>   c) manually installation (e.g. ./configure && make && make install)
>   d) other
>
> As far as I know, the text layout engine in GTK (Pango/
> HarfBuzz) does not rely any functionalities of FreeType2
> for Arabic/Indic text layout, it invokes FreeType2 to
> translate from Unicode to glyph index, and load a glyph
> data by glyph index. If these 2 functionalities are broken,
> I guess, the component glyphs would be wrong already
> (not contextual layout error). If you can make some
> screenshots, it's appreciated.
>
> Regards,
> mpsuzuki
>

working.png
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error.png
Description: PNG image