Class: ColorCalculator::Conversion::XyzToLab

Inherits:

Object

• Object
• ColorCalculator::Conversion::XyzToLab

Extended by:

ColorCalculator::Composable

Defined in:

lib/color_calculator/conversion/xyz_to_lab.rb

Constant Summary

APPLE =

-> (value) do
  value ** Rational(1, 3)
end

BANANA =

-> (value) do
  ((Constants::KAPPA * value) + 16) / 116
end

FRUIT =

-> (value) do
  (value > Constants::EPSILON ? APPLE : BANANA).call(value)
end

Instance Method Summary

• #call ⇒ Object
• #initialize(xyz) ⇒ XyzToLab constructor

  A new instance of XyzToLab.

Methods included from ColorCalculator::Composable

to_proc

Constructor Details

#initialize(xyz) ⇒ XyzToLab

# File 'lib/color_calculator/conversion/xyz_to_lab.rb', line 25

def initialize(xyz)
  @xyz = xyz
end

Instance Method Details

#call ⇒ Object

# File 'lib/color_calculator/conversion/xyz_to_lab.rb', line 29

def call
  ColorCalculator::Clump::Lab.new(lightness, alpha, beta)
end