[PLUG-TALK] Changing color of an image with the GIMP
Denis Heidtmann
denish at dslnorthwest.net
Mon Nov 17 02:25:02 UTC 2008
Richard C. Steffens wrote:
> I have a clip-art image I want to change from being black on white to
> being orange on white. I've found all kinds of interesting color tools
> in the GIMP, but I haven't found one that is connected to the DWIM (Do
> What I Mean) button. I've found some instructions on the web that say I
> should play with the hue-saturation controls. But, when I go to that
> panel, I get a message that tells me that hue-saturation only works on
> RGB color layers. I get that message with a number of the color
> controls. On other color controls I get a message that the control does
> not work on indexed layers. The title bar of the image says it's
> indexed, 1 layer.
>
> This image may have started live as a bmp. I got it as a tif. I expect
> to convert it to a gif or png.
>
> Does anyone know how to identify a color in an image and then change
> every instance of that color to another color?
>
I think the clue may be "indexed layers". I have not dealt with them, but I
have the general impression that there are no gradations, just a collection of
solid colors. Maybe if you look for "indexed layers" in the help you will get
some hints.
-Denis
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