At 4:54 PM +0200 10/24/05, Steffi Oberheim wrote:
how is it possible to colorize a grayscale picture by lingo in such a
way, that white and black resist while the other nuances of the image
become shades of blue?

Hi Steffi,

This might not be what you're looking for, but you could use a solid one bitdepth picture then put your greyscale image in the next cast member slot. You then get interesting effects using the mask ink while adjusting the forecolor and backcolor of the sprite. Here's an example:
http://putnamhill.net/codeshop/dir/1bitMem-4bitMask/

--
Cole

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