#@gimp Freaky details : gimp_freaky_details, gimp_freaky_details_preview(0)
#@gimp : Amplitude = int(2,1,5)
#@gimp : Iteration = int(1,1,8)
#@gimp : Channel(s) = choice("All","RGBA","RGB","Luminance","Blue/red chrominances","Blue chrominance","Red chrominance","Lightness","ab-components","a-component","b-component","Hue","Saturation","Value","Key","Alpha","ch-components","c-component","h-component","Red","Green","Blue","Alpha")
#@gimp : sep = separator(), Preview type = choice("Full","Forward horizontal","Forward vertical","Backward horizontal","Backward vertical")
#@gimp : sep = separator(), note = note("<small>Author: <i>David Tschumperl&#233;</i> and <i>Patrick David</i>.      Latest update: <i>2013/02/27</i>.</small>")
#@gimp : sep = separator(), note = note("This effect has been done following:")
#@gimp : link = link("This tutorial from Patrick David","http://blog.patdavid.net/2013/02/calvin-hollywood-freaky-details-in-gimp.html")
_gimp_freaky_details :
  -repeat @# -l[$>]
    -repeat $2
      [-1] --negative[-1]
      -repeat $1 -bilateral[-1] 10,15 -done
      -blend[-2,-1] vividlight -blend overlay
    -done
  -endl -done

gimp_freaky_details :
  -apply_channels "-_gimp_freaky_details ${1-2}",$3,0

gimp_freaky_details_preview :
  -gimp_split_preview "-gimp_freaky_details ${1--2}",$-1