initialize_ivars (Gruff::Base)

    # File lib/gruff/base.rb, line 194
        def initialize_ivars
          # Internal for calculations
          @raw_columns = 800.0
          @raw_rows = 800.0 * (@rows/@columns)
          @column_count = 0
          @marker_count = nil
          @maximum_value = @minimum_value = nil
          @has_data = false
          @data = Array.new
          @labels = Hash.new
          @labels_seen = Hash.new
          @sort = true
          @title = nil

          @scale = @columns / @raw_columns

          vera_font_path = File.expand_path('Vera.ttf', ENV['MAGICK_FONT_PATH'])
          @font = File.exists?(vera_font_path) ? vera_font_path : nil

          @marker_font_size = 21.0
          @legend_font_size = 20.0
          @title_font_size = 36.0

          @legend_box_size = 20.0

          @no_data_message = "No Data"

          @hide_line_markers = @hide_legend = @hide_title = @hide_line_numbers = false
          @center_labels_over_point = true
          @has_left_labels = false

          @additional_line_values = []
          @additional_line_colors = []
          @theme_options = {}

          @x_axis_label = @y_axis_label = nil
          @y_axis_increment = nil
          @stacked = nil
          @norm_data = nil
        end