class Lizard::Histogram
Public Class Methods
new(data)
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# File lib/lizard/histogram.rb, line 5 def initialize(data) stdout, stderr, exit_code = Lizard.run_command("convert - -colors 16 -depth 8 -format %c histogram:info:-", data) if exit_code == 0 stdout = stdout.split(/\n/) @colors = stdout.each_with_object(Array.new) do |line, colors| if line =~ /\A\s*(\d+)\:.*\#([A-F0-9]{6}).*\z/ colors << Color.new($1.to_i, $2) end end.sort_by(&:frequency) else raise Error, "Could not get histogram" end end
Public Instance Methods
colors()
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# File lib/lizard/histogram.rb, line 19 def colors @colors ||= [] end