Class: Ombre

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

Class Method Summary collapse

Class Method Details

.diagonal(color1, color2, text, dir = "down") ⇒ Object 



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# File 'lib/ombre.rb', line 18

def self.diagonal color1, color2, text, dir="down"
  max_y = text.lines.count
  max_x = text.lines.max.length
  text.lines.each_with_index.map do |line, y|
    line.chars.each_with_index.map do |char, x|
      ratio = dir=="down" ? (y + x)/(max_y + max_x).to_f : (max_y - y + x)/(max_y + max_x).to_f
      red, green, blue = get_offset_color color1, color2, ratio
      color_text red, green, blue, char
    end.join
  end.join
end

.horizontal(color1, color2, text) ⇒ Object 



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

def self.horizontal color1, color2, text
  text.lines.map do |line|
    line.chars.each_with_index.map do |char, i|
      red, green, blue = get_offset_color color1, color2, i/text.lines.max.length.to_f
      color_text red, green, blue, char
    end.join
  end.join
end

.vertical(color1, color2, text) ⇒ Object 



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# File 'lib/ombre.rb', line 2

def self.vertical color1, color2, text
  text.lines.each_with_index.map do |line, i|
    red, green, blue = get_offset_color color1, color2, i/text.lines.count.to_f
    color_text red, green, blue, line
  end.join
end