Sounds like what you want is my colortoalpha plug in,
that is distributed with 1.2.x.  I think its under
Filters/Color/Color To Alpha...

Just select white and click OK.  

Happy GIMPing,

Seth Burgess

--- Josh Estelle <[EMAIL PROTECTED]> wrote:
> Hi everyone,
> I'm not sure how to describe this question to make
> it very clear,
> but i'm going to do my best....
> What I have is an image, with some figure on a white
> background.
> The edges of the figure are not solid edges, it's
> kind of like
> the color blends into the white.
> What I want to do is be able to turn all the white
> into transparent.
> But just selecting the white pixels does not do what
> I want, because
> it leaves like 'half-white' pixels around the edge
> of my image that
> look bad.  
> For example, say we just look at one row of the
> image... 3 pixels
> to be specific...
> the first pixel is white
> the next is pinkish (50% white, 50% red)
> and the third red
> (in that order across a row)
> what i want to do is get a resulting image with:
> the first pixel transparent
> the next is 50% red and 50% transparent
> and the last is red.
> Any ideas on a good way to do this?  I've been
> trying various things
> but nothing has worked well.
> Thanks!
> Josh
> _______________________________________________
> Gimp-user mailing list

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