Module: ImageCompare::ColorMethods

Includes:
ChunkyPNG::Color
Included in:
Image, Modes::Base, Modes::Color
Defined in:
lib/image_compare/color_methods.rb

Instance Method Summary collapse

Instance Method Details

#blue ⇒ Object 



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# File 'lib/image_compare/color_methods.rb', line 27

def blue
  rgb(0, 0, 255)
end

#brightness(a) ⇒ Object 



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# File 'lib/image_compare/color_methods.rb', line 15

def brightness(a)
  0.3 * r(a) + 0.59 * g(a) + 0.11 * b(a)
end

#green ⇒ Object 



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# File 'lib/image_compare/color_methods.rb', line 23

def green
  rgb(0, 255, 0)
end

#orange ⇒ Object 



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# File 'lib/image_compare/color_methods.rb', line 35

def orange
  rgb(255, 128, 0)
end

#red ⇒ Object 



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# File 'lib/image_compare/color_methods.rb', line 19

def red
  rgb(255, 0, 0)
end

#transparent ⇒ Object 



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# File 'lib/image_compare/color_methods.rb', line 39

def transparent
  rgba(255, 255, 255, 255)
end

#yellow ⇒ Object 



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# File 'lib/image_compare/color_methods.rb', line 31

def yellow
  rgb(255, 255, 51)
end