Module: PDRuby

Defined in:
lib/pd_ruby.rb,
lib/pd_ruby/version.rb

Constant Summary collapse

VERSION = 
'0.2.3'

Class Method Summary collapse

Class Method Details

.color_combinations(contrast = true) ⇒ Object 



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# File 'lib/pd_ruby.rb', line 9

def self.color_combinations(contrast = true)
  @color_combinations ||= if contrast
                            [{ background: :light_blue, color: :light_black }, { background: :light_yellow, color: :white }, { background: :red, color: :white }, { background: :green, color: :light_red }, { background: :default, color: :magenta }, { background: :light_white, color: :red }, { background: :light_yellow, color: :light_black }, { background: :black, color: :white }, { background: :light_white, color: :blue }, { background: :light_white, color: :default }, { background: :red, color: :light_black }, { background: :white, color: :light_magenta }, { background: :white, color: :cyan }, { background: :light_white, color: :cyan }, { background: :light_green, color: :white }, { background: :light_red, color: :black }, { background: :light_green, color: :light_white }, { background: :light_magenta, color: :light_black }, { background: :magenta, color: :light_black }, { background: :blue, color: :white }, { background: :light_white, color: :light_magenta }, { background: :light_white, color: :light_black }, { background: :light_yellow, color: :light_white }, { background: :white, color: :light_blue }, { background: :light_black, color: :blue }, { background: :green, color: :light_black }, { background: :light_black, color: :light_magenta }, { background: :white, color: :light_red }, { background: :light_magenta, color: :green }, { background: :light_green, color: :black }, { background: :default, color: :green }, { background: :light_cyan, color: :light_black }, { background: :black, color: :cyan }, { background: :light_cyan, color: :black }, { background: :cyan, color: :black }, { background: :white, color: :light_yellow }, { background: :blue, color: :light_black }, { background: :light_yellow, color: :black }, { background: :cyan, color: :white }, { background: :light_yellow, color: :green }, { background: :black, color: :light_blue }, { background: :light_white, color: :black }, { background: :light_red, color: :light_white }, { background: :light_cyan, color: :light_white }, { background: :light_blue, color: :black }, { background: :yellow, color: :white }, { background: :magenta, color: :black }, { background: :black, color: :yellow }, { background: :green, color: :light_magenta }, { background: :green, color: :red }, { background: :black, color: :blue }, { background: :light_white, color: :light_blue }, { background: :light_red, color: :green }, { background: :white, color: :light_green }, { background: :green, color: :blue }, { background: :light_green, color: :light_black }, { background: :white, color: :blue }, { background: :magenta, color: :green }, { background: :light_white, color: :light_green }, { background: :light_cyan, color: :white }, { background: :green, color: :black }, { background: :light_black, color: :magenta }, { background: :light_white, color: :light_red }, { background: :light_magenta, color: :default }, { background: :black, color: :light_white }, { background: :light_red, color: :white }, { background: :white, color: :light_black }, { background: :light_white, color: :light_yellow }, { background: :black, color: :light_red }, { background: :blue, color: :black }, { background: :light_green, color: :light_cyan }, { background: :magenta, color: :white }, { background: :magenta, color: :light_white }, { background: :black, color: :light_magenta }, { background: :red, color: :black }, { background: :black, color: :default }, { background: :light_red, color: :light_black }, { background: :default, color: :cyan }, { background: :light_blue, color: :light_white }, { background: :yellow, color: :black }, { background: :white, color: :yellow }, { background: :light_magenta, color: :light_white }, { background: :red, color: :green }, { background: :light_cyan, color: :light_red }, { background: :blue, color: :green }, { background: :white, color: :light_cyan }, { background: :light_magenta, color: :white }, { background: :light_blue, color: :white }, { background: :light_yellow, color: :default }, { background: :yellow, color: :light_black }, { background: :light_green, color: :default }, { background: :white, color: :red }, { background: :light_black, color: :cyan }, { background: :light_black, color: :green }, { background: :white, color: :magenta }, { background: :green, color: :light_white }, { background: :default, color: :light_magenta }, { background: :green, color: :light_yellow }, { background: :black, color: :light_yellow }, { background: :cyan, color: :light_black }, { background: :green, color: :magenta }, { background: :white, color: :black }, { background: :magenta, color: :default }, { background: :black, color: :green }, { background: :black, color: :magenta }, { background: :black, color: :light_cyan }, { background: :blue, color: :light_white }, { background: :light_red, color: :default }, { background: :light_white, color: :green }, { background: :light_white, color: :light_cyan }, { background: :light_white, color: :magenta }, { background: :default, color: :blue }, { background: :light_magenta, color: :black }, { background: :light_black, color: :red }, { background: :light_white, color: :yellow }, { background: :cyan, color: :light_white }, { background: :yellow, color: :light_white }, { background: :red, color: :light_white }, { background: :light_black, color: :light_red }, { background: :default, color: :yellow }, { background: :black, color: :red }]
                          else
                            String.colors.permutation(2).map do |background, color|
                              next if similar_colors?(background, color)

                              {
                                background: background,
                                color: color
                              }
                            end.compact.shuffle
                          end
end

.color_for(obj) ⇒ Object 



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# File 'lib/pd_ruby.rb', line 24

def self.color_for(obj)
  @color_for ||= {}
  @color_for.dig(obj) || @color_for[obj] = next_color_combination
end

.next_color_combination ⇒ Object 



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# File 'lib/pd_ruby.rb', line 29

def self.next_color_combination
  @next_color_combination ||= color_combinations.dup
  if @next_color_combination.nil?
    @next_color_combination = color_combinations.dup
  end
  @next_color_combination.shift
end

.similar_colors?(color1, color2) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pd_ruby.rb', line 37

def self.similar_colors?(color1, color2)
  return true if color1 == color2
  return true if color1.to_s == "light_#{color2}"
  return true if color2.to_s == "light_#{color1}"

  false
end