Module: ColorPalette

Defined in:
lib/color_palette.rb,
lib/color_palette/version.rb

Defined Under Namespace

Modules: Color

Constant Summary collapse

VERSION = 
'0.0.1'

Class Method Summary collapse

Class Method Details

.unidirectional(end_color, palette_size, start_color = "#ffffff", return_color_strings = true) ⇒ Object 



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# File 'lib/color_palette.rb', line 4

def self.unidirectional(end_color, palette_size, start_color="#ffffff", return_color_strings=true)
  start_color = ColorPalette::Color::RGB.from_string(start_color)
  end_color = ColorPalette::Color::RGB.from_string(end_color)

  delta_r = (end_color.r - start_color.r) / (palette_size - 1)
  delta_g = (end_color.g - start_color.g) / (palette_size - 1)
  delta_b = (end_color.b - start_color.b) / (palette_size - 1)

  palette = []
  palette_size.times do |i|
    color = ColorPalette::Color::RGB.from_increment_in_other_color(start_color, i*delta_r, i*delta_g, i*delta_b)
    palette << color 
  end

  if return_color_strings
    palette.map(&:to_s)
  else
    palette
  end
end