thanks a lot J-S
the problem was that the libpng13.dll was not in the path. I thought that only
osgdb_png.dll was needed
i owe you one ;)
> Date: Wed, 4 Jun 2008 09:02:07 -0400
> From: [EMAIL PROTECTED]
> To: [email protected]
> Subject: Re: [osg-users] problem with osg 2.4 stable release
>
> Hello David,
>
> > i have a osgdb_png.dll file which is the result of the compilation and i
> > can see in the visual studio ouput window that the dll is called anytime
> > i try to read a png and then unloaded after the operation
>
> The PNG plugin, like some others, has a dependency on an external DLL,
> namely libpng13.dll in this case. Can you check if you have this in your
> path? You can find it in the 3rdparty/bin directory. Put it in your
> OSG/bin directory if you don't already have it. (or somewhere else where
> you know your app will find it before any other DLL of the same name)
>
> Additionally, you can try to set OSG_NOTIFY_LEVEL to DEBUG to see if
> there are other problems. If, for example, the debug output shows that
> the osgdb_png.dll plugin is loaded, then it finds your PNG file and
> tries to open it and fails, it's most probably because either it can't
> find the libpng13.dll, or because it's finding the wrong one (as
> happened to me lately). Make sure in that case that the OSG bin
> directory is early in your PATH or in the search path for DLLs, before
> any other directory that may contain another copy of libpng13.dll.
>
> Hope this helps,
>
> J-S
> --
> ______________________________________________________
> Jean-Sebastien Guay [EMAIL PROTECTED]
> http://www.cm-labs.com/
> http://whitestar02.webhop.org/
> _______________________________________________
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> [email protected]
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
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