I looked in to the latest export code of sample Rails 3 application.
as you told before , this version may use minimagick or image magick instead of Rmagick, but unfortunately still the given example app uses Rmagick only.
I am using that code in one of my app, but a major problem is that Rmagick is leaking memory and hence hangs my server, it takes almost 99% memory in all cases.
i tried several ways to get around this, but no luck.
I would like to request you to provide some sample code of export using mini magick or Rmagick.
or at least provide me some guideline that how i can use minimagick to convert the stream i got from export to an image.