[webkit-dev] I have problem in display jpeg in webkit

[RyanYee/叶晔]

thanks Sriram & all of you guys,I try this patch,thing go right now

2008/12/24 Sriram Neelakandan <sriram.neelakandan at gmail.com>

> This is a cairo bug .. search on quater rendered images .. see these links
>
> http://lists.macosforge.org/pipermail/webkit-dev/2008-February/003423.html
> http://www.mail-archive.com/directfb-users@directfb.org/msg07310.html
>
>
>
> On Wed, Dec 24, 2008 at 2:15 PM, Nicholas Beck <nbeck at mpc-data.co.uk>wrote:
>
>> RyanYee/叶晔 wrote:
>> > I build webkit base on gtk-dfb (intel Olo platform),
>> > webkit-r35289, gtk+-2.10.14,cairo-1.4.2, jpeg-6b
>> > run Gtklauncher ok,but when jpeg was in html file,jpeg only display
>> > left part (maybe 1/4 size)
>> > I tried many jpeg file,same result,so I don't think it's jpeg file
>> > format problems.
>> > I found webkit use own jpeg plugin,not gtk's jpeg display,(my gtk-demo
>> > can display jpeg ok)
>> > cause my gdbserver not work,so I can only add printf to observe code
>> > go where.
>> > in JPEGImageReader::decode() ,i can only got m_state JPEG_HEADER &&
>> > JPEG_START_DECOMPRESS
>> > and m_info.jpeg_color_space=3, I can only got these infomation now,
>> > can anybody had even same problem?
>> > next I want to build same version on X86 to debug,if no other
>> > infomation got.
>> >
>> This is caused by a bug in that version of cairo. Update your version of
>> cairo; I can't remember quite what version the fix was committed into
>> but from memory >= 1.6.4 is fine.
>>
>> Nick
>>
>>
>>
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>> webkit-dev at lists.webkit.org
>> http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
>>
>
>
>
> --
> Sriram Neelakandan
> Author - Embedded Linux System Design And Development (
> http://tinyurl.com/2doosu)
>



-- 
----RyanYee
How many roads must a man walk down before
you can call him a Man?How many years can
some people exist before They're allowed to
be free?the answer is Blowing in the wind...
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