class MyChart::Rainbow::RGBA
Public Class Methods
new(rgba_str)
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# File lib/my_chart/rainbow.rb, line 26 def initialize rgba_str @rgba = rgba_str end
Public Instance Methods
alpha(f)
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# File lib/my_chart/rainbow.rb, line 34 def alpha f self.class.new @rgba.sub(/1\)/, [f, ')'].join) end
to_s()
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# File lib/my_chart/rainbow.rb, line 30 def to_s @rgba end