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Stored size: 883 Bytes
Contents
# frozen_string_literal: true
#
# Makes a small bar graph suitable for display at 200px or even smaller.
#
# Here's how to set up a Gruff::Mini::Bar.
#
# g = Gruff::Mini::Bar.new
# g.title = 'Mini Bar Graph'
# g.data :Art, [0, 5, 8, 15]
# g.data :Philosophy, [10, 3, 2, 8]
# g.data :Science, [2, 15, 8, 11]
# g.write('mini_bar.png')
#
module Gruff
module Mini
# A class for drawing a small bar graph.
class Bar < Gruff::Bar
include Gruff::Mini::Legend
def initialize_ivars
super
@hide_legend = true
@hide_title = true
@hide_line_numbers = true
@marker_font_size = 50.0
@legend_font_size = 60.0
@minimum_value = 0.0
end
private :initialize_ivars
def draw
expand_canvas_for_vertical_legend
super
draw_vertical_legend
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems