image_blur#1

image_blur.rb

class Image
    
    def initialize(data)
        @data = data
    end
    
    def output_image
        
        @data.each do |row|
            str = ""
            row.each do |col|
                str += col.inspect
            end
            puts str
        end
    end
    
    def output_image_map
       puts @data.map{ |row| row.join("") }.join("\n")
    end
    
end

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

#image.output_image
image.output_image_map

image_blur2.rb

#class Image 

class Image 
    
    def initialize(data)
        @data = data
    end
    
    def output_image_map
       puts @data.map{ |row| row.join("") }.join("\n")
    end

    def image_blur
        
        pixels_with_one=[]
        rows = @data.length
        cols = @data[0].length
        
        @data.each_with_index { |row,x|
            row.each_with_index { |col,y|
                if col == 1 
                    pixels_with_one <<  [x, y]
                end
            }
        }
        
        pixels_with_one.each do  |point|
            x = point[0]
            y = point[1]
            
            if x - 1 >= 0 
                @data[x-1][y] = 1
            end
            if x + 1 < rows 
                @data[x+1][y] = 1
            end
            if y - 1 >= 0 
                @data[x][y-1] = 1
            end
            if y + 1 < cols
                @data[x][y+1] = 1
            end
        end
    
        puts @data.map{ |row| row.join("") }.join("\n")
        
    end
end

#end of class

image1 = Image.new([
  [0, 0, 0, 0],
  [0, 1, 0, 0],
  [0, 0, 0, 1],
  [0, 0, 0, 0]
])

image1.image_blur
puts '############################# \n'

image2 = Image.new([
  [0, 0, 0, 0],
  [0, 0, 0, 0],
  [0, 0, 0, 0],
  [0, 1, 0, 0],
  [0, 0, 0, 0],
  [0, 0, 0, 0]
])

image2.image_blur
puts '############################# \n'

image3 = Image.new([
  [0, 0, 0, 0],
  [0, 0, 1, 0],
  [0, 0, 0, 0],
  [0, 1, 0, 0],
  [0, 0, 0, 0],
  [0, 0, 0, 0]
])

image3.image_blur
puts '############################# \n'

image4 = Image.new([
  [0, 0, 0, 0],
  [0, 0, 0, 0],
  [0, 0, 0, 0],
  [0, 0, 0, 0],
  [1, 0, 0, 0],
  [0, 0, 0, 0]
])

image4.image_blur

puts '############################# \n'

image5 = Image.new([
  [0, 1, 0, 0],
  [0, 0, 0, 0],
  [0, 0, 0, 0],
  [0, 0, 0, 0],
  [0, 0, 0, 0],
  [0, 1, 0, 0]
])
image5.image_blur

• output_image_map should be call at the end of the image_blur call
• Does the spec require you to not modifying the current image?