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.



6
7
8
9
10
 
# File 'lib/text/figlet/typesetter.rb', line 6

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

Instance Method Details

#[](str) ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
 
# File 'lib/text/figlet/typesetter.rb', line 12

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