class Colors::HUSL

Human-friendly alternative to HSL color space. The definition of HUSL is provided in <www.hsluv.org>.

Public Instance Methods

==(other) click to toggle source
# File lib/colors/husl.rb, line 5
def ==(other)
  case other
  when HUSL
    h == other.h && s == other.s && l == other.l
  else
    other == self
  end
end
desaturate(factor) click to toggle source
# File lib/colors/husl.rb, line 14
def desaturate(factor)
  to_rgb.desaturate(factor).to_husl
end
lch_components() click to toggle source
# File lib/colors/husl.rb, line 35
def lch_components
  l = self.l * 100r
  s = self.s * 100r

  if l > 99.9999999 || l < 1e-8
    c = 0r
  else
    mx = Convert.max_chroma(l, h)
    c = mx / 100r * s
  end

  h = s < 1e-8 ? 0r : self.h

  [l, c, h]
end
rgb_components() click to toggle source
# File lib/colors/husl.rb, line 31
def rgb_components
  to_xyz.rgb_components
end
to_husl() click to toggle source
# File lib/colors/husl.rb, line 18
def to_husl
  self
end
to_rgb() click to toggle source
# File lib/colors/husl.rb, line 22
def to_rgb
  RGB.new(*rgb_components)
end
to_xyz() click to toggle source
# File lib/colors/husl.rb, line 26
def to_xyz
  x, y, z = Convert.lch_to_xyz(*lch_components)
  XYZ.new(x, y, z)
end