docbrown/app/labor/hex_comparer.rb
2019-03-21 16:01:45 -04:00

46 lines
1 KiB
Ruby

class HexComparer
attr_accessor :hexes, :amount
def initialize(hexes, amount = 1)
@hexes = hexes
@amount = amount
end
def order
hexes.sort
end
def smallest
order.first
end
def biggest
order.last
end
def brightness(amount = 1)
rgb = smallest.delete("#").scan(/../).map(&:hex).map { |color| color * amount }.map(&:round)
"#%02x%02x%02x" % rgb
rescue StandardError
smallest
end
def accent
if brightness(1.14**amount).size == 7
brightness(1.14**amount)
elsif brightness(1.08**amount).size == 7
brightness(1.08**amount)
elsif brightness(1.06**amount).size == 7
brightness(1.06**amount)
elsif brightness(0.96**amount).size == 7
brightness(0.96**amount)
elsif brightness(0.9**amount).size == 7
brightness(0.9**amount)
elsif brightness(0.8**amount).size == 7
brightness(0.8**amount)
elsif brightness(0.7**amount).size == 7
brightness(0.7**amount)
elsif brightness(0.6**amount).size == 7
brightness(0.6**amount)
end
end
end