share/extensions/color_darker.py

   1 #!/usr/bin/env python
   2 import coloreffect
   3
   4 class C(coloreffect.ColorEffect):
   5   def colmod(self,r,g,b):
   6     FACTOR=0.9
   7     r=int(round(max(r*FACTOR,0)))
   8     g=int(round(max(g*FACTOR,0)))
   9     b=int(round(max(b*FACTOR,0)))
  10     return '%02x%02x%02x' % (r,g,b)
  11
  12 c = C()
  13 c.affect()