Module: ImageDiff::Differ::ImageMagick

Defined in:
lib/image_diff/differ/image_magick.rb

Overview

ImageMagick compare interface

Constant Summary collapse

CMD = 
'compare -metric rmse '

Class Method Summary collapse

Class Method Details

.absolute_error(args) ⇒ Object 



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# File 'lib/image_diff/differ/image_magick.rb', line 13

def absolute_error(args)
  Open3.popen2e(CMD + args) do |_stdin, stdout_stderr, wait_thr|
    [wait_thr.value.exitstatus, stdout_stderr.readlines.join("\n")]
  end
end