image_blur#2

class Image
  attr_accessor :data
  def initialize (data)
     @data = data  
   end

  def image_blur
    all_done = false
    @data.each_with_index do |row, row_index|
      row.each_with_index do |value, column_index|
            
        if value == 1 && column_index <= row.size-1 && column_index > 0 
          @data[row_index][column_index-1] = 1 
        end

        if value == 1 && row_index <= @data.size && row_index > 0 
          @data[row_index-1][column_index] = 1
        end

        if value == 1 && row_index < @data.size-1 
          @data[row_index+1][column_index] = 1
        end

        if value == 1 && column_index < row.size - 1
          @data[row_index][column_index + 1] = 1
          all_done = true
          break
        end
      end
      break if all_done
    end
  end   

  def output
    @data.each do |sub|
      sub.each do |cell|
        print cell
      end
      puts "\n"
    end
  end

end

image = Image.new([[0,0,0,0,0,0,0],
                   [1,0,0,0,0,0,0],
                   [0,0,0,0,0,0,0]
                   ])
image.image_blur
image.output