Possible to change an image color palette using javascript? -


i've seen questions here none of them provide answer.

what need javascript (or perhaps kind of plugin using php/apache) can find colors in image , replace them closest color custom palette, in case nes palette. how can done?

yes, can done using javascript, following these steps :

  1. load image canvas
  2. get imagedata (which array of rgba values each pixel)
  3. loop through array , convert rgba values hex values
  4. convert resulting color nearest color in pallette
  5. convert new colors rgba values
  6. restore new imagedata array canvas

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