Module: SpreadsheetBuilder::Palette

Defined in:
lib/spreadsheet_builder/palette.rb

Class Method Summary collapse

Class Method Details

._color_from_input(input) ⇒ Object 



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# File 'lib/spreadsheet_builder/palette.rb', line 19

def self._color_from_input(input)
  input = input.to_s
  if input =~ /^rgb/i
    _, r, g, b = input.match(/^rgba*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)[^\)]*/)
    r, g, b = [r, g, b].map(&:to_i)
    input = "##{Spreadsheet::Excel::Rgb.new(r, g, b).as_hex.ljust(6, "0")}"
  end

  # Assume a color is always found
  color = PALETTE.nearest_value(input).name.to_sym
  color
end