encode a cmyk jpeg in flash

I have an AIR app that saves JPEG files to the hard drive. Currently, the jpegs are in RGB colorspace, but I am wanting them to be saved as CMYK jpegs. Is this possible in flash?开发者_StackOverflow社区 If so, does anyone know of any libraries or examples that can help me with such a task?

Thanks in advance for any help.

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I dont think flash/flex has the ability to do this, it may need to be done on the server/desktop, we use ImageMagick to perform these types of tasks.