Module: RGB

Defined in:
lib/color/rgb.rb

Overview

Offering functionality related to the RGB color model.

Class Method Summary collapse

Class Method Details

.convert_decimal_to_2_digit_hex(dec) ⇒ Object 



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# File 'lib/color/rgb.rb', line 23

def self.convert_decimal_to_2_digit_hex(dec)
  hex = dec.to_s(16)
  hex *= 2 if hex.length == 1
  hex
end

.hex_to_dec(hex) ⇒ Object 



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# File 'lib/color/rgb.rb', line 14

def self.hex_to_dec(hex)
  (hex[0].to_i(16) * 16) + hex[1].to_i(16)
end

.hex_to_rgb(hex_color) ⇒ Object 



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# File 'lib/color/rgb.rb', line 7

def self.hex_to_rgb(hex_color)
  hex_color = Hex.fill_hex_color(hex_color) if hex_color.length == 4 # Length 4 => #aac
  [hex_to_dec(hex_color[1..2]),
   hex_to_dec(hex_color[3..4]),
   hex_to_dec(hex_color[5..6])]
end

.rgb_to_hex(rgb_color) ⇒ Object 



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# File 'lib/color/rgb.rb', line 18

def self.rgb_to_hex(rgb_color)
  hex = "#".dup << convert_decimal_to_2_digit_hex(rgb_color[0])
  hex << convert_decimal_to_2_digit_hex(rgb_color[1]) << convert_decimal_to_2_digit_hex(rgb_color[2])
end