67 lines
1.7 KiB
Ruby
67 lines
1.7 KiB
Ruby
require "rubella/output/base"
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module Rubella
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module Output
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class ASCII < Base
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attr_accessor :symbols
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attr_reader :used_symbols
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def initialize field_size = 1
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@symbols = Hash.new
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@symbols["shades"] =
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[" ", " ", "░", "░", "▒", "▒", "▓", "▓", "█", "█"]
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@symbols["shades_ascii"] =
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[" ", "·", "⚬", "∞", "@", "#", "░", "▒", "▓", "█"]
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@symbols["ascii"] =
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[" ", "·", ",", ";", "o", "O", "%", "8", "@", "#"]
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@symbols["numbers"] =
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[" ", "1", "2", "3", "4", "5", "6", "7", "8", "9"]
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self.used_symbols = "shades_ascii"
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super field_size
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end
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def used_symbols= value
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if @symbols.has_key? value
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@used_symbols = value
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return
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end
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raise ArgumentError, "Symbol set not found, must be one of: " +
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@symbols.keys.join(", ")
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end
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def create storage
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buckets = storage.data[0].length
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# columns = storage.data.length
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# image size
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# x = columns*@field_size
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# y = buckets*@field_size
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# start drawing the damn thing
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ascii_arr = []
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0.upto(buckets).each { |i| ascii_arr[i] = "" }
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storage.data.each do |point|
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i = 0
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point.reverse.each do |part|
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part = (part*10).to_i
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# Fix to prevent possible overflow.. should never happen, but we
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# are careful
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if part > 9
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part = 9
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end
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ascii_arr[i] << @symbols[@used_symbols][part]
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i = i+1
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end
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end
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@data = ascii_arr.join("\n")
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end
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end
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end
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end |