PostScript
Guide to Using Page Description Languages 1-43
The following example illustrates the requirements for
embedding and printing an image in an enhanced scan. If a large
number of images are to be printed, it is best to avoid the internal
rotation. To do this, you must include the data in the order in
which it is required, which means that the fast scan direction for
the image is bottom-to-top, and the slow scan direction is left-to-
right.