module RCompile::Colorize
Constants
- COLORS
Colors Hash
- MODES
Modes Hash
Public Class Methods
color_matrix(txt = '[X]')
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Display color matrix with color names
# File lib/rcompile/colorize.rb, line 167 def color_matrix(txt = '[X]') size = String.colors.length String.colors.each do |color| String.colors.each do |back| print txt.colorize(:color => color, :background => back) end puts " < #{color}" end String.colors.reverse.each_with_index do |back, index| puts "#{"|".rjust(txt.length)*(size-index)} < #{back}" end '' end
colors()
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Return array of available colors used by colorize method
# File lib/rcompile/colorize.rb, line 160 def colors COLORS.keys end
modes()
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Return array of available modes used by colorize method
# File lib/rcompile/colorize.rb, line 153 def modes MODES.keys end
Public Instance Methods
colorize(params)
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Change color of string
Examples:
puts "This is blue".colorize(:blue) puts "This is light blue".colorize(:light_blue) puts "This is also blue".colorize(:color => :blue) puts "This is light blue with red background".colorize(:color => :light_blue, :background => :red) puts "This is light blue with red background".colorize(:light_blue ).colorize( :background => :red) puts "This is blue text on red".blue.on_red puts "This is red on blue".colorize(:red).on_blue puts "This is red on blue and underline".colorize(:red).on_blue.underline puts "This is blue text on red".blue.on_red.blink puts "This is uncolorized".blue.on_red.uncolorize
# File lib/rcompile/colorize.rb, line 77 def colorize(params) begin require 'Win32/Console/ANSI' if RUBY_PLATFORM =~ /win32/ rescue LoadError raise 'You must gem install win32console to use colorize on Windows' end color_parameters = {} if (params.instance_of?(Hash)) color_parameters[:color] = COLORS[params[:color]] color_parameters[:background] = COLORS[params[:background]] color_parameters[:mode] = MODES[params[:mode]] elsif (params.instance_of?(Symbol)) color_parameters[:color] = COLORS[params] end color_parameters[:color] ||= @color ||= COLORS[:default] color_parameters[:background] ||= @background ||= COLORS[:default] color_parameters[:mode] ||= @mode ||= MODES[:default] color_parameters[:uncolorized] ||= @uncolorized ||= self.dup # Calculate bright mode color_parameters[:color] += 50 if color_parameters[:color] > 10 color_parameters[:background] += 50 if color_parameters[:background] > 10 "\033[#{color_parameters[:mode]};#{color_parameters[:color]+30};#{color_parameters[:background]+40}m#{color_parameters[:uncolorized]}\033[0m".set_color_parameters(color_parameters) end
colorized?()
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Return true if string is colorized
# File lib/rcompile/colorize.rb, line 118 def colorized? !!@uncolorized end
set_color_parameters(params)
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Set color values in new string instance
# File lib/rcompile/colorize.rb, line 49 def set_color_parameters(params) if (params.instance_of?(Hash)) @color = params[:color] @background = params[:background] @mode = params[:mode] @uncolorized = params[:uncolorized] self end end
uncolorize()
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Return uncolorized string
# File lib/rcompile/colorize.rb, line 111 def uncolorize @uncolorized || self end