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

[Sriram Neelakandan]

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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>



-- 
Sriram Neelakandan
Author - Embedded Linux System Design And Development (
http://tinyurl.com/2doosu)
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