Class: MyChart::Rainbow::RGBA

Inherits:

Object

• Object
• MyChart::Rainbow::RGBA

Defined in:

lib/my_chart/rainbow.rb

Instance Method Summary

• #alpha(f) ⇒ Object
• #initialize(rgba_str) ⇒ RGBA constructor

  A new instance of RGBA.

• #to_s ⇒ Object

Constructor Details

#initialize(rgba_str) ⇒ RGBA

Returns a new instance of RGBA.

# File 'lib/my_chart/rainbow.rb', line 26

def initialize rgba_str
  @rgba = rgba_str
end

Instance Method Details

#alpha(f) ⇒ Object

# File 'lib/my_chart/rainbow.rb', line 34

def alpha f
  self.class.new @rgba.sub(/1\)/, [f, ')'].join)
end

#to_s ⇒ Object

# File 'lib/my_chart/rainbow.rb', line 30

def to_s
  @rgba
end