On Tuesday 22 February 2005 14:02, Kalle Ounapuu wrote:
> This method does not deliver what I require. But thank you for
> helping me learn how to manage palette's.
> What I need through GIMP is a way to remove individual colours from
> the image dynamically in real-time. For example, I would click one
> colour to turn it "off" and see the change to the image. If the
> image isn't severely affected by turning "off" that one colour,
> then that colour should be removed.
> I deal with images that are only 2-64 colours each, and shaving off
> colours is a huge importance to get the filesize down to the
> absolute smallest.
> Currently I use Web Image Guru to do this. Great program. But it
> costs money. The programmers I work with are all interested in
> installed GIMP on their machines. So going through GIMP, I haven't
> been able to easily reduce colours of an image on-the-fly.


I think it was "dialogs->palette" up to GIMP 2.0.

It doesn't allow you to remove colors, but you can change palette 
entries of the active colormap on the fly, and after all redundant 
colors are set to be equal to another existing color, just do the 
mode->rgb, mode->indexed thing.

> Thanks
> -----Original Message-----
> From: Carol Spears [mailto:[EMAIL PROTECTED]
> Sent: Monday, February 21, 2005 5:19 PM
> To: Kalle Ounapuu; GIMPUser
> Subject: Re: [Gimp-user] Color Reduction with GIMP
> On Mon, Feb 21, 2005 at 02:53:58PM -0500, Kalle Ounapuu wrote:
> > In GIMP, is there an area where I can lock/remove individual
> > colours in an Indexed colour palette of an image?
> >
> > I was able to see a colour table Dialog in GIMP, where I could
> > edit RGB values and add an additional colour. But I couldn't see
> > anyway to remove colours or lock them from being removed.
> if the image is already in Indexed mode, you can import the palette
> directly from the image via the palette palette (Dialogs
> -->Palette). gimp palettes are simple text files and can be edited
> via the palette editor or even directly with a text editor of your
> choice if you can find it in your user directory.
> to apply it to your image, change the mode of the image to rgb and
> then index it again using your edited palette.
> carol
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