add_image_from_file (PDF::Writer::Graphics)

         # File lib/pdf/writer/graphics.rb, line 540
    540:   def add_image_from_file(image, x, y, width = nil, height = nil, link = nil)
    541:     data = nil
    542:
    543:     if image.respond_to?(:read)
    544:       data = image.read
    545:     else
    546:       open(image, 'rb') { |ff| data = ff.read }
    547:     end
    548:
    549:     add_image(data, x, y, width, height, nil, link)
    550:   end