code: def __EncodedAttribute_encode_jpeg_rgb24(self, rgb24, width=0, height=0, quality=100.0):
      
      self._generic_encode_rgb24(rgb24, width=width, height=height, quality=quality, format=_ImageFormat.JpegImage)
docs: Encode a 24 bit rgb color image as JPEG format.
  
             :param rgb24: an object containning image information
             :type rgb24: :py:obj:`str` or :class:`numpy.ndarray` or seq< seq<element> >
             :param width: image width. **MUST** be given if rgb24 is a string or
                           if it is a :class:`numpy.ndarray` with ndims != 3.
                           Otherwise it is calculated internally.
             :type width: :py:obj:`int`
             :param height: image height. **MUST** be given if rgb24 is a string
                            or if it is a :class:`numpy.ndarray` with ndims != 3.
                            Otherwise it is calculated internally.
             :type height: :py:obj:`int`
             :param quality: Quality of JPEG (0=poor quality 100=max quality) (default is 100.0)
             :type quality: :py:obj:`float`
  
         .. note::
             When :class:`numpy.ndarray` is given:
  
                 - rgb24 **MUST** be CONTIGUOUS, ALIGNED
                 - if rgb24.ndims != 3, width and height **MUST** be given and
                   rgb24.nbytes/3 **MUST** match width*height
                 - if rgb24.ndims == 3, rgb24.itemsize **MUST** be 1 (typically,
                   rgb24.dtype is one of `numpy.dtype.byte`, `numpy.dtype.ubyte`,
                   `numpy.dtype.int8` or `numpy.dtype.uint8`) and shape **MUST** be
                   (height, width, 3)
  
         Example::
  
             def read_myattr(self, attr):
                 enc = tango.EncodedAttribute()
                 # create an 'image' where each pixel is R=0x01, G=0x01, B=0x01
                 arr = numpy.ones((10,10,3), dtype=numpy.uint8)
                 enc.encode_jpeg_rgb24(data)
                 attr.set_value(enc)