Method: Gruff::Base#to_blob

Defined in:
lib/gruff/base.rb

#to_blob(fileformat = 'PNG') ⇒ Object

Return the graph as a rendered binary blob.



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# File 'lib/gruff/base.rb', line 468

def to_blob(fileformat='PNG')
  draw()
  return @base_image.to_blob do
     self.format = fileformat
  end
end