Module: Imatcher::ColorMethods

Includes:

ChunkyPNG::Color

Included in:

Image, Modes::Base

Defined in:

lib/imatcher/color_methods.rb

Overview

:nodoc:

Instance Method Summary

• #blue ⇒ Object
• #brightness(a) ⇒ Object
• #green ⇒ Object
• #red ⇒ Object

Instance Method Details

#blue ⇒ Object

# File 'lib/imatcher/color_methods.rb', line 24

def blue
  rgb(0, 0, 255)
end

#brightness(a) ⇒ Object

# File 'lib/imatcher/color_methods.rb', line 12

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

#green ⇒ Object

# File 'lib/imatcher/color_methods.rb', line 20

def green
  rgb(0, 255, 0)
end

#red ⇒ Object

# File 'lib/imatcher/color_methods.rb', line 16

def red
  rgb(255, 0, 0)
end