# File lib/mini_magick.rb, line 101
      def import_pixels(blob, columns, rows, depth, map, format="png")
        # Create an image object with the raw pixel data string:
        image = create(".dat", validate = false) { |f| f.write(blob) }
        # Use ImageMagick to convert the raw data file to an image file of the desired format:
        converted_image_path = image.path[0..-4] + format
        argument = "-size #{columns}x#{rows} -depth #{depth} #{map}:#{image.path} #{converted_image_path}"
        cmd = CommandBuilder.new("convert", argument) #Example: convert -size 256x256 -depth 16 gray:blob.dat blob.png
        image.run(cmd)
        # Update the image instance with the path of the properly formatted image, and return:
        image.path = converted_image_path
        image
      end