[Mithras]

I want a simple command-line or Cocoa tool to convert an .icns file to a TIFF or PNG image. [I'm an Apple newbie, so bear with me]

I see that both Quicktime and NSImage can easily convert between common image formats, but I don't think .icns is one of them.

On the other hand, the (aging) IconUtilities documentation talks about drawing to a rectangle on the screen, but it's not clear to me how to capture back the data into an image.

Does anyone have any pointers?

[Ibson]

If you just want to easily convert a ICNS image, use Preview. I tried building a command-line app to open an ICNS file; NSImage can read ICNS files, but it seems it tries to create a buffer window to store the image in. Just build a normal Cocoa app.