Jonathan wrote:
> Can you please tell me how can i convert 'nsAutoString' to an integer?

Have you considered looking at the string headers?

That said, I highly doubt that you want to be doing that, because you'd want to 
_exactly_ duplicate the parsing algorithm that image nodes use.  It might make 
more sense to get naturalWidth if that's what you want.  That'll work for 
<img>. 
  For <input type="image"> you'd be more or less out of luck with this approach.

Of course you can also QI to nsIImageLoadingContent, get the imgIContainer or 
whatever has the size, and go from there...

-Boris
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