Possible To Change An Image Color Palette Using Javascript?

I've seen some questions about this here already but none of them provide a good answer. What I need is a javascript (or perhaps some kind of a plugin using PHP/Apache) that can fi

Solution 1:

Yes, it can be done using javascript, by following these steps :

1. load the image into a canvas
2. get the imagedata (which is an array of rgba values for each pixel)
3. loop through the array and convert the rgba values to hex values
4. convert the resulting color to the nearest color in the pallette
5. convert the new colors back to rgba values
6. restore the new imagedata array to the canvas