module Answers::Issue20260216::ZoomifyArray

# File answers/20260216.rb, line 9
def zoom_in_by(factor)
  raise ArgumentError, "Factor MUST be an Integer greater than or equal to 2!" unless factor.is_a?(Integer) && factor >= 2

  number_of_rows = size
  number_of_cols = first.size
  bigger_grid    = Array.new(number_of_rows * factor) { Array.new(number_of_cols * factor) }

  each_with_index do |row, row_index|
    row.each_with_index do |cell, col_index|
      factor.times do |shift_row_index|
        factor.times do |shift_col_index|
          bigger_grid[(row_index * factor) + shift_row_index][(col_index * factor) + shift_col_index] = cell
        end
      end
    end
  end

  bigger_grid
end