#@gimp Colorize comics : gimp_colorize_comics, gimp_colorize_comics_preview(1)
#@gimp : Smoothness = float(0,0,5)
#@gimp : Output layers = _choice{2,"Single (merged)","Colors + Drawing","Strokes + Colors + Drawing"}
#@gimp : sep = separator(), note = note("<small>Author: <i>David Tschumperl&#233;</i>.      Latest update: <i>2013/06/18</i>.</small>")
gimp_colorize_comics :
  -if {@#<2} -return -endif
  -k[0,-1]

  --to_rgba[0] -split_opacity[-1] -+[-2] 1 -neq[-1] 0 -*[-2,-1]  # Map of color labels to spread.
  --b[1] $1% -watershed[-2] [-1] -rm[-1]                         # Priority map.
  --[-1] 1

  -if {$2==0} -rm[0] -blend[0,1] multiply
  -elif {$2==1} -rm[0] -rv[0,1]
  -else -rv[1,2]
  -endif

gimp_colorize_comics_preview :
  -gimp_colorize_comics $1,0