A GraphicsMagick library exists for Node.js which wraps the executable in a fluent interface: http://aheckmann.github.io/gm/. Maybe that idea could be ported to .NET to make a multiplatform library :)
Could you potentially use P/Invoke instead of a mixed mode assembly? Mono does support P/Invoke.
Could you potentially use P/Invoke instead of a mixed mode assembly? Mono does support P/Invoke.