Class: Twterm::Image::Color

Inherits:
Attr show all
Defined in:
lib/twterm/image/color.rb

Instance Method Summary collapse

Methods inherited from Attr

#height, #render, #width

Methods inherited from Twterm::Image

#!, #-, #_, #at, blank_line, #bold, #brackets, checkbox, #color, #column, cursor, #dim, empty, #line, number, #parens, plural, remaining_resource, string, toggle_switch, #underlined, whitespace, #|

Constructor Details

#initialize(image, fg, bg = :transparent) ⇒ Color

Returns a new instance of Color.



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# File 'lib/twterm/image/color.rb', line 6

def initialize(image, fg, bg = :transparent)
  super(image)

  @fg, @bg = fg, bg
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/twterm/image/color.rb', line 12

def to_s
  fg_colors = {
    black: 30, red: 31, green: 32, yellow: 33,
    blue: 34, magenta: 35, cyan: 36, white: 37
  }
  bg_colors = {
    black: 40, red: 41, green: 42, yellow: 43,
    blur: 44, magenta: 45, cyan: 46, white: 47
  }

  str = "\e[#{fg_colors[@fg]}m#{image}\e[0m"
  @bg == :transparent ? str : "\e[#{bg_colors[@bg]}m#{str}"
end