#@gimp Rodilius : gimp_rodilius, gimp_rodilius_preview(1)
#@gimp : Orientations = int(5,2,20)
#@gimp : Offset = float(30,0,180)
#@gimp : Amplitude = float(10,0,30)
#@gimp : Thickness = float(10,0,100)
#@gimp : Sharpness = float(300,0,1000)
#@gimp : Color mode = choice(1,"Darker","Lighter")
#@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>Authors : <i>Rod/GimpChat, David Tschumperl&#233;</i>.      Latest update : <i>2011/09/28</i>.</small>")
gimp_rodilius :
  -apply_channels "-_gimp_rodilius ${1-6}",$7,0

_gimp_rodilius :
  -if {!$6} -negative -endif
  -repeat @# -l[$>]
    -repeat $1
      angle={$2+$>*180/$1}
      --blur_linear[0] $3%,{$3*$4/100}%,$angle,1
      -blur[-1] 0.7 -sharpen[-1] $5
    -done
    -max[1--1] -rm[-2]
  -endl -done
  -if {!$6} -negative -endif

gimp_rodilius_preview :
  -gimp_split_preview "-gimp_rodilius ${1--2}",$-1