Batch processing PNG files, colour change
Hi, I'm in the home stretch on a new theme mostly from scratch.
While most themes understandably tend to be gray or very neutral colours, this one uses color prominently and is set up in such a way that I'm hoping it will be possible for myself or other users to easily change the color scheme within the theme PNGs to whatever they prefer.
In order to do this, I need an image batch processor that can find and replace specific colour(s) in a group of images. So, for example, I can input all the dozens of button images I've made and tell the processor to replace cyan with pink (or whatever). Also, because the idea is that others need to be able to get hold of this processor, it needs to be free (so, GIMP, not Photoshop)...
Anyone aware of a batch processor like that? Surely it must exist. Thanks.
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