share/extensions/color_randomize.py

   1 #!/usr/bin/env python
   2 import coloreffect,random,inkex
   3
   4 class C(coloreffect.ColorEffect):
   5     def __init__(self):
   6         coloreffect.ColorEffect.__init__(self)
   7         self.OptionParser.add_option("-x", "--hue",
   8             action="store", type="inkbool",
   9             dest="hue", default=True,
  10             help="randomize hue")
  11         self.OptionParser.add_option("-s", "--saturation",
  12             action="store", type="inkbool",
  13             dest="saturation", default=True,
  14             help="randomize saturation")
  15         self.OptionParser.add_option("-l", "--lightness",
  16             action="store", type="inkbool",
  17             dest="lightness", default=True,
  18             help="randomize lightness")
  19
  20     def colmod(self,r,g,b):
  21         hsl = self.rgb_to_hsl(r/255.0, g/255.0, b/255.0)
  22         if(self.options.hue):
  23             hsl[0]=random.random()
  24         if(self.options.saturation):
  25             hsl[1]=random.random()
  26         if(self.options.lightness):
  27             hsl[2]=random.random()
  28         rgb = self.hsl_to_rgb(hsl[0], hsl[1], hsl[2])
  29         return '%02x%02x%02x' % (rgb[0]*255, rgb[1]*255, rgb[2]*255)
  30
  31 c = C()
  32 c.affect()
  33
  34
  35 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99