share/extensions/color_darker.py

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