Class: AsciiPaint::BlockString

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(string) ⇒ BlockString

Returns a new instance of BlockString.



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# File 'lib/ascii_paint/block_string.rb', line 5

def initialize(string)
  @block_characters = string.chars.map { |char| BlockCharacter.new(char) }
end

Instance Attribute Details

#block_characters ⇒ Object (readonly)

Returns the value of attribute block_characters.



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# File 'lib/ascii_paint/block_string.rb', line 3

def block_characters
  @block_characters
end

Instance Method Details

#each_row ⇒ Object 



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# File 'lib/ascii_paint/block_string.rb', line 9

def each_row
  return to_enum(:each_row) unless block_given?

  rows =
    block_characters.chunk do |block_char|
      if block_char.newline?
        nil
      else
        :not_newline
      end
    end.map do |symbol, row|
      row
    end

  rows.each do |row|
    yield row
  end
end

#to_a ⇒ Object 



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# File 'lib/ascii_paint/block_string.rb', line 28

def to_a
  each_row.flat_map do |block_row|
    (0...BlockCharacter.height).map do |h|
      block_row.inject('') do |string_row, block_char|
        string_row + block_char.ascii[h]
      end
    end
  end
end