image_blur3_finished.rb

# Image Blur #3

class Blur

  attr_accessor :array, :blurred_array, :ones

  def initialize(array)
    @array = array
  end

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


  def one_finder
    @ones = []
    #Cycle through each pixel, store pixel in @ones if pixel == 1
    @array.each.with_index do |row, row_i|
      row.each.with_index do |pixel, col_i|
        if pixel == 1
          @ones << [row_i, col_i]
        end
      end
    end
  end

  def blur!(d)

    one_finder

    @ones.each do |row, col|
      y = 0
      max = d
      while (y <= max)
        x = d
        while x >= 0
        @array[row + y][col - x] = 1 if ((row + y) < (@array.length - 1)) && ((col - x) >= 0)
        @array[row + y][col + x] = 1 if ((row + y) < (@array.length - 1)) && ((col + x) < @array[0].length - 1)
        @array[row - y][col - x] = 1 if ((row - y) >= 0) && ((col - x) >= 0)
        @array[row - y][col + x] = 1 if ((row - y) >= 0) && ((col + x) <= @array[0].length - 1)
        x -= 1
        end

        d -= 1
        y += 1
      end
      d = max #Resets distance
    end
    output_image
  end

end

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

image.blur!(2)