Class: NumPlot::RGB

Inherits:
Object
  • Object
show all
Defined in:
lib/numplot.rb

Overview

The class representing colors in gnuplot.

You can use three types of color specifications like the following examples.

Example:

RGB[255, 0, 0] # => Red
RGB["#00ff00"] # => Green
RGB["blue"]    # => blue

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ RGB

Create a new instance of RGB class.

You can give three styles of arguments to specify a color.

  • an RGB component as three integers like NumPlot::RGB.new(0, 255, 0)

  • a “#xxyyzz” style string like NumPlot::RGB.new(“#ff007f”)

  • a string of the name of a color like NumPlot::RGB.new(“blue”)



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# File 'lib/numplot.rb', line 99

def initialize(*args)
  if args.size == 1 && String === args[0]
    @s = args[0]
  elsif args.size == 3
    @s = "#%02x%02x%02x" % args
  else
    raise TypeError, "Unknown color format: #{args.inspect}"
  end
end

Class Method Details

.[](*args) ⇒ RGB

Create a new RGB object. See #initialize.

Returns:

  • (RGB) —

    A new RGB object



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# File 'lib/numplot.rb', line 119

__yard_ignore_here{ alias [] new }