gistfile1.rb

def resize(size)
    ImageScience.with_image(@imagefilename) do |img|
      img.thumbnail(size) do |resizedimg|
        @tempimage = resizedimg
        @width = resizedimg.width
        @height = resizedimg.height
        return true
      end
    end
  end

def save(location)
    @tempimage.save location
  end