Class: Text::Figlet::Typesetter

Inherits:
Object
  • Object
show all
Defined in:
lib/text/figlet/typesetter.rb

Instance Method Summary collapse

Constructor Details

#initialize(font, options = nil) ⇒ Typesetter

Returns a new instance of Typesetter.



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# File 'lib/text/figlet/typesetter.rb', line 6

def initialize(font, options = nil)
  Text.raise_19_incompat
  @font = font
  @options = options || {}
  @smush = @options.has_key?(:smush) ? @options[:smush] : true
end

Instance Method Details

#[](str) ⇒ Object 



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# File 'lib/text/figlet/typesetter.rb', line 13

def [](str)
  result = []
  str.length.times do |i|
    char = str[i]
    unless @font.has_char?(char)
      if @font.has_char?(0)
        char = 0
      else
        next
      end
    end
    @font.height.times do |j|
      line = @font[char][j]
      if result[j].nil?
        result[j] = line
      else
        result[j] = @font.right_to_left?? (line + result[j]) : (result[j] + line)
      end
    end
    if @font.old_layout > -1 && i > 0
      diff = -1
      @font.height.times do |j|
        if match = /\S(\s*\x00\s*)\S/.match(result[j])
          len = match[1].length
          diff = (diff == -1 ? len : min(diff, len))
        end
      end
      diff -= 1
      if diff > 0
        @font.height.times do |j|
          if match = /\x00(\s{0,#{diff}})/.match(result[j])
            b = diff - match[1].length
            result[j] = result[j].sub(/\s{0,#{b}}\x00\s{#{match[1].length}}/, "\0")
          end
        end
      end
      smush[result] if @smush
    end
  end
  return result.join("\n").gsub(/\0/, '').gsub(@font.hard_blank, ' ')
end