image_blur2_noworkie.rb

\# Image Blur 1

class Image

  attr_accessor :array , :result_array

  def initialize(array)
    @array = array
    @result_array = array
  end

  def output_image
    @result_array.each do |row|
      puts row.join(" ")
    end
    nil
  end

  def blur
    
    one_pixels = Array.new
    @result_array = @array

    @array.each.with_index do |row, row_index| #could also use 'i' or 'j' for indices
      row.each.with_index do |pixel, col_index|
        if pixel == 1
          one_pixels << [row_index, col_index]
        end
      end
    end

    one_pixels.each do |row_index, col_index|
        @result_array[row_index - 1][col_index] = 1
        @result_array[row_index + 1][col_index] = 1
        @result_array[row_index][col_index - 1] = 1
        @result_array[row_index][col_index + 1] = 1
      end
  end

  # def transform(row_index, col_index)
  #   @result_array[row_index - 1][col_index] = 1
  #   @result_array[row_index + 1][col_index] = 1
  #   @result_array[row_index][col_index - 1] = 1
  #   @result_array[row_index][col_index + 1] = 1
  # end

end

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

image.blur
image.output_image