Module: ColorContrastCalc::Converter

Defined in:
lib/color_contrast_calc/converter.rb

Overview

Collection of modules that implement the main logic of instance methods of Color, Color#new_*_color().

Defined Under Namespace

Modules: AlphaCompositing, Brightness, Contrast, Grayscale, HueRotate, Invert, Saturate

Class Method Summary collapse

Class Method Details

.rgb_map(vals) ⇒ Array<Integer>

Values given as an array are passed to a given block, and new values returned from the block are rounded and clamped between 0 and 255, so that the resulting values can be treated as an RGB value.

Parameters:

  • vals (Array<Numeric>) —

    An array of three numbers

Returns:

  • (Array<Integer>) —

    Value that can possibly be an RGB value



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# File 'lib/color_contrast_calc/converter.rb', line 21

def self.rgb_map(vals)
  if block_given?
    return vals.map do |val|
      new_val = yield val
      new_val.round.clamp(0, 255)
    end
  end

  vals.map {|val| val.round.clamp(0, 255) }
end