[thelist] Creating images with 16-bit color depth

Jason Handby jason_handby at illustraresearch.com
Thu Jul 1 09:48:11 CDT 2004


> In the past I've used Image Alchemy to do batch conversion of 
> images. It's a little bit "command-liney" (which might appeal 
> to you as a programmer), but it's pretty quick and easy once 
> you figure out the right command-line parameters. And it's 
> got sooooo many options for doing this kind of job that it's 
> bound to do what you want.
> 
>   http://www.handmadesw.com/Products/Image_Alchemy.htm
> 
> In your case I guess you'd put all your true colour images in 
> a folder, then get Image Alchemy to convert every image in 
> that folder to 16-bit colour depth and put the resulting 
> images in another folder.


I've just had a quick look at the Image Alchemy manual. Suppose you have a
folder called "input" and a folder called "output". To convert all of the
24-bit PNGs in "input" into 16-bit PNGs in "output", I think you'd do this:

	alchemy -- input\*.png output\ ---n -16



Jason



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