# File lib/mini_magick/image.rb, line 500 def composite(other_image, output_extension = type.downcase, mask = nil) output_tempfile = MiniMagick::Utilities.tempfile(".#{output_extension}") MiniMagick::Tool::Composite.new do |composite| yield composite if block_given? composite << other_image.path composite << path composite << mask.path if mask composite << output_tempfile.path end Image.new(output_tempfile.path, output_tempfile) end