[comp.sys.mac] Rotated Text?

rs4u#@ANDREW.CMU.EDU.UUCP (03/31/87)

How does one draw rotated text (as in MacDraw)? I am about
to start hacking at it, but I'd welcome some suggestions...
		--Rich

jww@sdcsvax.UUCP (04/01/87)

There are two things to do with rotated text.  The first is displaying
it on the screen and for the ImageWriter.  The second is
keeping it as text for the LaserWriter.

For the first, just image it off screen, use the measuring trap and 
the ascent/descent information to build a boundary rectangle.  Then
just rotate the bits using any transposition algorithm (see, for
example 'PICT Rotation with Copybits', Bob Denny, MacTutor 11/85).

Equally important is to keep it as text in the QD picture, so
the LW will print it right.  Basically, you want three picture
comments--TextBegin, TextCenter and TextEnd.  This allows you to
print Helvetica rotated 90 degrees at 300 dpi.

See Tech Note #91 (optimizing for LW) and Tech Note #27 (because
this is what MacDraw does).
-- 
	Joel West
	{ucbvax,ihnp4}!sdcsvax!jww	(ihnp4!gould9!joel once I fix news)
	jww@sdcsvax.ucsd.edu	if you must