# File lib/dragonfly/generation/r_magick_generator.rb, line 45 def plasma(width, height, format='png') image = Magick::Image.read("plasma:fractal"){self.size = "#{width}x#{height}"}.first image.format = format.to_s content = use_filesystem ? write_to_tempfile(image) : image.to_blob image.destroy! [ content, {:format => format.to_sym, :name => "plasma.#{format}"} ] end