code: func ParseFont(fontReader io.Reader) (*truetype.Font, error) {
  	fontBytes, err := ioutil.ReadAll(fontReader)
  	if err != nil {
  		return nil, err
  	}
  
  	font, err := freetype.ParseFont(fontBytes)
  	if err != nil {
  		return nil, err
  	}
  
  	return font, nil
  }
docs: // ParseFont reads a font file and creates a freetype.Font type