img blur 2

class Image
    def initialize(darray)
        @arr = darray
    end
    
    def output_image
        str = []
        ones_indices = []
        @height = @arr.length
        @arr.each_index do |i|
            @width = @arr[i].length
            @arr.each_index do |j|
                if @arr[i][j] == 1
                    temp = [i,j]
                    ones_indices.push(temp)
                end
            end
        end
        
        ones_indices.each_index do |n|
            temp = ones_indices[n]
            #puts "i of the location where there is 1 #{temp[0]} #{temp[1]}"
            i = temp[0]
            j = temp[1]
            
            #change left position to 1
            if (j != 0)
                #puts "change left position to 1"
                @arr[i][j-1] = 1
            end
                    
            #change top position to 1
            if (i != 0)
                #puts "change top position to 1"
                @arr[i-1][j] = 1
            end
                    
            #change right position to 1
            if (i != @width-1)
                #puts "change right position to 1"
                @arr[i+1][j] = 1
            end
                    
            #change bottom position to 1
            if (j != @height-1)
               # puts "change bottom position to 1"
                @arr[i][j+1] = 1
            end

        end
        
         @arr.each_index do |i|
            str[i] = @arr[i].join('').to_s
            puts str[i]
        end
        return
    end
end

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

image.output_image