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module Vedeu

  # The class represents one half (the other, can be found at
  # {Vedeu::Foreground}) of a terminal colour escape sequence.
  #
  # @api private
  class Background < Translator

    private

    # Returns an escape sequence for a named background colour.
    #
    # Valid names are: `:black`, `:red`, `:green`, `:yellow`, `:blue`,
    # `:magenta`, `:cyan`, `:white` and `:default`.
    #
    # @return [String]
    def named
      ["\e[", Esc.background_codes[colour], 'm'].join
    end

    # Returns an escape sequence.
    #
    # @return [String]
    def numbered
      ["\e[48;5;", css_to_numbered, 'm'].join
    end

    # Returns an escape sequence.
    #
    # @return [String]
    def rgb
      if Configuration.colour_mode == 16777216
        sprintf("\e[48;2;%s;%s;%sm", *css_to_rgb)

      else
        numbered

      end
    end

  end # Background

end # Vedeu

Version data entries

5 entries across 5 versions & 1 rubygems

Version Path
vedeu-0.3.4 lib/vedeu/presentation/background.rb
vedeu-0.3.3 lib/vedeu/presentation/background.rb
vedeu-0.3.2 lib/vedeu/presentation/background.rb
vedeu-0.3.1 lib/vedeu/presentation/background.rb
vedeu-0.3.0 lib/vedeu/presentation/background.rb