Hi,
On Wed, Mar 28, 2001 at 01:12:28PM +0200, Sven Neumann wrote:
- Biased color reduction
This is a feature I saw in photoshop. When reducing the colors of an
image, it will try to preserve colors within the active selection
more than it tries to preserve those outside of it. For example, if
you want to keep skin tones in an image, but want to otherwise
reduce the overall number of colors, you would select a few
representative areas of skin before doing the reduction.
Personally, I can't count the number of times I've converted an image
to Indexed only to find the black had gone suddenly slightly
off-black, or another solid color that I really needed at a particular
value had suddenly shifted slightly. I'd love to be able to select
those colors before conversion to hint to the Indexed conversion,
"these exact values are important to me."
Talked to Adam about that issue on #gimp lately and he seems to be
biased towards changing the conversion-algorithm to be intelligent
enough to do the right thing without user interaction.
I doubt that this is possible. An algorithm simply cannot guess that
those three black pixels are more important to me than those two
thousand gray ones.
We need to be able to flag some colors sticky - e.g. for logo /
Corporate Identity work where colors are fixed and must not be changed.
It would have another advantage, especially for web work: I could fix
the important colors and reduce further (to reduce file size) while this
might not be possible if the algorithm chooses all colors itself.
Though, I don't have an idea of how the GUI allowing sticky colors could
look like. :-(
Just my two (Euro)cents, Tino.
--
* LINUX - Where do you want to be tomorrow? *
http://www.tu-chemnitz.de/linux/tag/
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