Class: RubyFiglet::Figlet

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

Constant Summary collapse

WD = 
File.dirname(__FILE__)

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(string, font = 'standard') ⇒ Figlet

Returns a new instance of Figlet.



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# File 'lib/ruby_figlet/interface.rb', line 18

def initialize string, font='standard'
  data = FigFont::Figlet.new(font).font_data
  @lookup = data[:lookup_table]
  @height = data[:height]
  @direction = data[:direction]
  @smushing = data[:old_layout]
  string = string.reverse if @direction == 1
  @string = string
  @font = font
end

Class Method Details

.available(folder = "#{WD}/fonts/") ⇒ Object 



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# File 'lib/ruby_figlet/interface.rb', line 64

def self.available folder="#{WD}/fonts/"
  dir = Dir.entries(folder)
  (0..dir.size - 1).each do |i|
    dir[i] += '/' unless dir[i].include? '.'
  end
  (0..dir.size - 1).each do |i|
    dir[i] = "" unless dir[i].include?('.flf') || dir[i].include?('/')
  end
  list = dir.join "\n"
  ignore = ["..", ".", ".DS_Store", "._.DS_Store", ".DS_Store?", ".Spotlight-V100", ".Trashes", "ehthumbs.db", "Thumbs.db", "desktop.ini"]
  ignore.each { |file| list.gsub! "#{file}/", "" }

  list.gsub! ".flf", "" # don't show extensions
  list.squeeze! "\n"
  list.sort_by! &:downcase
end

Instance Method Details

#show ⇒ Object 



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# File 'lib/ruby_figlet/interface.rb', line 59

def show
  puts stringify
end

#stringify ⇒ Object 



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# File 'lib/ruby_figlet/interface.rb', line 29

def stringify
  breaks = @string.split "\n"
  breaks.each_with_index do |break_line, i|
    string = String.new
    @height.times do |row|
      break_line.each { |char| string << @lookup[char][row] }
      string << "\n"
    end
    if @direction == 1
      lines = string.split "\n"
      (0..(%x[tput cols].to_i - 1) - lines[0].length).each do # Holy Moly, from 0 to (terminal width minus 1) minus length of the ascii art word.
        lines.each_with_index { |line, j| lines[j].insert 0, " " }
      end
      string = lines.join "\n"
    end
    breaks[i] = string
  end
  string = breaks.join ""

  lines = string.split "\n"
  offset = 0
  (lines.size).times do |j|
    if lines[j - offset].strip.empty? # when a line is deleted, there must be an offset as the new array is now shorter (after a delete) so we must climb back up it, so that whe don't dlete wrong lines and try to access non-existent indices
      lines.delete_at(j - offset)  # Remove any empty lines
      offset += 1
    end
  end
  return lines.join "\n"
end