ImageScience for Windows on Ruby 1.9

Has anyone have any success installing ImageScience on Ruby 1.9 for Windows?

Unfortunately, I am currently using Ruby 1.8 Windows for my development. I want to upgrade to Ruby 1.9 for the performance improvement. I was able to install almost all of the gems, but I haven't had any luck with ImageScience.

Rob Anderton had put in useful instruction for installation on 1.8, which I used. He seems to started using Mac since then :) (I am consid开发者_如何学编程ering that, but in the meanwhile...)

http://thewebfellas.com/blog/2008/2/18/imagescience-on-windows-without-the-pain

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Try Devil instead, it works in windows: http://banisterfiend.wordpress.com/2009/10/14/the-devil-image-library-for-ruby/