Thanks for your answers!

As you supposed, I can't upgrade to the SVN version.
I will have a look at your code, and try to reproduce it. Actually, I've been a 
bit stupid because I also thought about modifying the ScreenCaptureHandler 
class, but directly in the osg build instead of deriving it :O 
 [Arrow] IMHO, the only thing I need to do is to add a bool allowing me to 
bypass the key pressing, which was what I tried to do on the osg version of 
ScreenCaptureHandler (and couldn't, because I couldn't modify the header).

So I will try this, hoping that this is the good solution because I'm running 
out of time :/


> I think this sounds like an FAQ problem -- something about JPEG not 
> supporting the pixel
> format you're trying to save. Try saving as a PNG -- it might be something to 
> do with an
> alpha channel or something that JPEG can't handle.


Might be, but I don't think so: I also tried others formats not supported, and 
these were simply empty files, whereas mine is not empty, has the good size but 
is black.



> Well, OpenGL and OSG are complex


indeed, but apart from that one problem, I always found a way to accomplish my 
will ;)

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=26495#26495





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