# File lib/captcha.rb, line 144
    def initialize_image( key, font, font_size, x_spacing, wiggle_y, char_height, rotation )
      @key = key
      @font = font
      @font_size = font_size
      @x_spacing = x_spacing
      @wiggle_y = wiggle_y
      @char_height = char_height
      @rotation = rotation

      clear_background
      populate_with_noise
      draw_key
    end