Deradon

#!/usr/bin/env ruby

# Re-run a command whenever a file in directory is changed!
#
# Inspired by: http://ngauthier.com/2012/02/quick-tests-with-bash.html
# Thanks Nick!
#
# Patrick Helm (me@patrick-helm.de), 2013
#
#

Deradon

def rgb_to_hsv(r, g, b)
  if r == b && r == g
    h = s = 0
    v = (0.299 * r + 0.587 * g + 0.114 * b) / 255
  else
    max = [r, g, b].max.to_f
    min = [r, g, b].min.to_f

    v = max
    s = min