"Rebecca J. Walter" <[EMAIL PROTECTED]> writes:

> it might be useful if the color to alpha filter could a) interact with

That reminds me:  I'd like to use the color to alpha filter for
chroma-keying.  That is, stand the subject in front of a blue screen
and use color-to-alpha to remove all the blue.  However, the filter
removes too much blue -- the resulting colour is as saturated as
possible, even if the original colour wasn't so saturated.  I'm
thinking that it would be handy if the color-to-alpha had a preview
and slider that went from 0 to 1, where 0 = "do nothing" and 1 =
current behaviour and 0.5 gives a result half way between that for 0
and 1. 

Does this seem useful?  Is there a better way to do this?

> just a thought.  no, i can't prrogram it myself.

I can program my idea if folks are interested.

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